Rolls-Royce Archives
| Identifier | Entry | ||
| img001 | Letter to Joseph Lucas Ltd. regarding a new armature for a C45TV type dynamo and a midget ignition coil. | ||
| View original record | 6742. Rm/RC.3/KC. 9th July, 1942. Joseph Lucas Ltd., Great King Street, BIRMINGHAM. 19. For the attention of Mr. B.G. Crupper. Dear Sirs, We thank you for your letter of the 3rd July concerning the… | ||
| img002 | Letter from Joseph Lucas Ltd. regarding an armature for a C45T Dynamo on a 1933 Model Vauxhall 10HP car. | ||
| View original record | JOSEPH LUCAS LTD 6142 ELECTRICAL ENGINEERING GREAT KING STREET, BIRMINGHAM, 19. TELEPHONE: NORTHERN 5201 TELEGRAMS AND CABLES: 'LUCAS TELEX BIRMINGHAM 19' WHEN REPLYING PLEASE REFER TO X/BGC/MA. 3rd… | ||
| img003 | Request for a drawing of a dynamo and starter motor for the small Myth engine to complete the crankcase drawings. | ||
| View original record | Mr/Mrs. [illegible] Esq. HSA elect 6 A2 Rm.4/JMS.24.7.40. We want a drawing of a dynamo and starter motor for the small Myth engine to enable Jnr. to complete the crankcase drawings. Will you please… | ||
| img004 | The supply of blue-prints for electrical components for the Myth Engine M.40. | ||
| View original record | 6742 From Rm/HH. c. to Rm. c. [REDACTED] c. [REDACTED] c. [REDACTED] c. [REDACTED] Rm/HH.6/SW.2.6.41. Myth Engine M.40. Electrical (Misc) Please receive herewith blue-prints of the following :-… | ||
| img005 | Letter to Lucas Ltd. regarding a C.5.HV type dynamo fitted to the Lagonda. | ||
| View original record | DYNAMOS FILE 2ND DRAWER TIN CABINET Rm/RC.2/ET. 16th September 1940. Messrs. LUCAS Ltd., Great King Street, BIRMINGHAM. Attention of Mr. B. Grupper. Dear Sirs, We notice in the Automobile Electricity… | ||
| img006 | Letter from Joseph Lucas Limited responding to an enquiry about dynamos and vacuum units for distributors. | ||
| View original record | HEAD OFFICES & WORKS: GREAT KING ST. BIRMINGHAM. CONTRACTORS TO THE ADMIRALTY, WAR OFFICE, AIR MINISTRY, INDIA OFFICE, G.P.O. AND LEADING RAILWAYS. Handwritten: FILE LUCAS, 2nd from RC&S FILES JOSEPH… | ||
| img007 | Page two of a letter from Joseph Lucas Ltd. about a modification to a distributor shank to fit an extra bracket. | ||
| View original record | Messrs Rolls-Royce Ltd., -2- of the Distributor at the shank so as to accomodate the thickness of the extra-bracket. Yours faithfully, JOSEPH LUCAS LTD. Technical Sales Department. | ||
| img008 | C.A.V.-BOSCH leaflet for Compensated Voltage Control Dynamos. | ||
| View original record | ALLIED EXCELLENCE C.A.V.-BOSCH MADE IN ENGLAND C.A.V.-BOSCH COMPENSATED VOLTAGE CONTROL DYNAMOS C. A. V. - BOSCH LIMITED ACTON - LONDON - W.3 TELEPHONE SHEPHERDS BUSH 3111 TELEGRAMS VANTERIA EALUX… | ||
| img009 | New form of constant current generator mentioned in the 'Electrical Times'. | ||
| View original record | 6140 To [REDACTED] Copy to Rm/RC, Lr/Wat.7/DT. 15.5.40. CAR DYNAMOS. I have recently seen an article in the 'Electrical Times' dated March 14th, describing a new form of constant current generator. It… | ||
| img010 | New constant current generator for car dynamos, referencing an article in the 'Electrical Times'. | ||
| View original record | To: Rm. Copy to Rs/Rd, ------------ 1142 Lr/Wst.7/DT. 15.5.40. CAR DYNAMOS. I have recently seen an article in the 'Electrical Times' dated March 14th, describing a new form of constant current… | ||
| img011 | Handover of parts for a Bentley 60 Dynamo. | ||
| View original record | CAP file 6142 elec 1940 To Rm/RC. from HPS/RH. HPS/RH.2/SW.25.4.40. Bentley 60 Dynamo. If you will arrange to hand over the parts mentioned in your memo Rm/RC.2/JS.24.4.40 to me, we will endeavour to… | ||
| img012 | The rebuilding of a dismantled B.60 type dynamo for bench tests. | ||
| View original record | HMW/AH from Rm. Elect. E142 Dm/RC.2./J.31.4.40. We have a B.60 type dynamo which was dismantled some time ago, in order to send some of the parts to the Design Office. As the various parts have now… | ||
| img013 | Requesting the rebuilding of a B.60 type dynamo for bench tests. | ||
| View original record | CRP. HPD/RH from Rm. Z.A. 6742. Rm/RC.2./JS.24.4.40. We have a B.60 type dynamo which was dismantled some time ago, in order to send some of the parts to the Design Office. As the various parts have… | ||
| img014 | Letter to Messrs. Lucas Ltd. regarding the return of brackets and an order for a starter motor and regulators. | ||
| View original record | CA blit RM/C.G/JH. 20th. April, 1940. Messrs. Lucas Ltd., Great King Street, BIRMINGHAM. 19. For the attention of Mr. T.G. Cramer. Dear Sirs, We thank you for your letter of the 18th. April also for… | ||
| img015 | Letter from Joseph Lucas Ltd. confirming receipt of special dynamo brackets and the return of sample patterns. | ||
| View original record | HEAD OFFICES & WORKS: GREAT KING ST. BIRMINGHAM. CONTRACTORS TO THE ADMIRALTY, WAR OFFICE, AIR MINISTRY, INDIA OFFICE, G.P.O. AND LEADING RAILWAYS. KING OF THE ROAD LAMPS, HORNS 'VOCALITIES'… | ||
| img016 | Letter to Messrs. Lucas Ltd. regarding the completion of special dynamo brackets and an omission due to missing drawing dimensions. | ||
| View original record | Dynamo? (Rc ✓) Rm/RC.2/JH. 9th. April, 1940. Messrs. Lucas Ltd., Great King Street, BIRMINGHAM. For the attention of Mr. B.G. Crupper. Dear Sirs, The special dynamo brackets to END.114/1/2/3/4 are now… | ||
| img017 | Forwarding of D.H. and C.H. brackets to Messrs. J. Lucas Ltd. for a special dynamo. | ||
| View original record | Dynamo. 61142 To C/M. from HPS/CP. c. D/BP. c. Lee. c. Rm/RC. HPS/CP.4/SW.8.4.40. O/DE440. We hand you herewith :- 1-LND.1114/2 D.H. Bracket 1-LND.1114/4 C.H. Bracket Will you please forward these to… | ||
| img018 | Letter to Lucas Ltd. regarding the completion and despatch of special dynamo brackets, noting some holes were omitted due to missing dimensions. | ||
| View original record | Elect Bm/RC.2/JH. 9th. April, 1940. Messrs. Lucas Ltd., Great King Street, BIRMINGHAM. For the attention of Mr. H.G. Grunner. Dear Sirs, The special dynamo brackets to No.114 1/2/3/4 are now completed… | ||
| img019 | Letter to Messrs. Lucas Ltd. regarding dynamo bearings, starter motors, and a request for regulator units. | ||
| View original record | C Pet. 6142 Rm/RC.15/JH. 6th. April, 1940. Messrs. Lucas Ltd., Great King Street, BIRMINGHAM, 19. For the attention of Mr. E.G. Crupper. Dear Sirs, We thank you for your letter of the 29th. March,… | ||
| img020 | Faulty commutators on Bentley 60 & 80 Dynamos due to incorrect material usage. | ||
| View original record | Dynamo file 6142. To Rm/RC, c. Supt/Insp. [text crossed out] HPS/RH.3/SW.2.4.40. Faulty Commutators. on Bentley 60 & 80 Dynamos. In reply to your memo Rm/RC.5/JH.30.3.40, with reference to failures of… | ||
| img021 | Failure of commutators on R.60 and R.80 Dynamos due to being built with miconite instead of pure mica, and proposing their replacement. | ||
| View original record | 6142 To HPS/HL. cc to Rm/RC/GAR. Rm/RC.5/JH.30.3.40. Faulty Commutators on R.60 and R.80 Dynamos. We have had a number of failures of the latest fully-driven dynamos which can only be due to the fact… | ||
| img022 | On faulty commutators for B.60 and B.80 Dynamos due to incorrect material being used in their construction. | ||
| View original record | elect. 1142 To HPS/BH. c. to Rm/RC/CAP. Rm/RC.9/JH.30.7.40. Faulty Commutators on B.60 and B.80 Dynamos. We have had a number of failures of the latest fully-driven dynamos which can only be due to… | ||
| img023 | The distribution of blueprints for a Lucas Dynamo Mounting and experimental parts. | ||
| View original record | 5122 File G To Rm. c. to Ev. Ev/HH.12/JH.29.3.40. B.80 PL.115. Lucas Dynamo Mounting. Sec.5000 - Crankcase & Cylinders. Please receive herewith 2 blue prints of the following :- RE.675 Bracket -… | ||
| img024 | Letter from Joseph Lucas Limited regarding a sample N.3048 bearing for Dynamo Brackets. | ||
| View original record | File Dy... 6142 HEAD OFFICES & WORKS: GREAT KING ST., BIRMINGHAM. CONTRACTORS TO THE ADMIRALTY, WAR OFFICE, AIR MINISTRY, INDIA OFFICE, G.P.O. AND LEADING RAILWAYS "KING OF THE ROAD" LAMPS, HORNS,… | ||
| img025 | Requesting the removal and repair of a failed regulator unit and dynamo for a specific car. | ||
| View original record | elect. 6142 e. Rm/RC/CAP. Rm/RC.1/SW.16.3.40. RS - 7 - B - Y. Due to a fault on the regulator unit on the above car, both the regulator unit and the dynamo have failed. Will you please arrange for… | ||
| img026 | The removal and replacement of a faulty dynamo for car 3.B.50. | ||
| View original record | Sect. 6142 HPS/RH. c. Rm/RC/CAP. Rm/RC.7/ML.15.3.40. re 3. B. 50. Will you please arrange for the dynamo on the above car to be removed for examination. This unit is giving a lot of trouble and we are… | ||
| img027 | Request to arrange for the removal and examination of a faulty dynamo. | ||
| View original record | 6142 Rm/RC A.C.C HPS/RH. c. Rm/MS/GAP. Rm/RC.7/ML.15.3.40. re 3. B. 50. Will you please arrange for the dynamo on the above car to be removed for examination. This unit is giving a lot of trouble and… | ||
| img028 | Requesting the removal of a faulty dynamo from a car for examination and replacement. | ||
| View original record | File 6440 HLL/HLL. c. RS/RS/CAP. Rm/RC.7/R.13.3.40. re L.H. 59. Will you please arrange for the dynamo on the above car to be removed for examination. This unit is giving a lot of trouble and we are… | ||
| img029 | Riplet detailing new drawings and components for Scheme No. PL. 104, covering the crankcase, water pump, and dynamo. | ||
| View original record | To. Rm. Handwritten: Dynamo.. CJ Ru/RC F142 EV/HH.2/ 8. 3. 40. Clan/EXP. RIFLET Scheme No. PL. 104. Crankcase & Bearings. See: 5000 Water Pump " 5160 Dynamo Complete " 8070/80/90/100/110 Please… | ||
| img030 | New drawings and alterations for the Ripplet's crankcase, cylinders, and dynamo. | ||
| View original record | Ry/RC blue To Mr: To. to Ev. Ev/HH.14/JH.7.3.40. Ripplet. Section 5000. Crankcase & Cylinders. Section 8070 ) 8080 ) 8090 ) Lucas Dynamo. 8100 ) 8110 ) Scheme PL.1. PL.116. Please receive herewith… | ||
| img031 | Explaining the reason for not fitting a 5' dynamo on the Phantom model. | ||
| View original record | - 2 - Rm.4/ML.24.2.40. Cont'd. It is therefore, a feature one would expect to be included on the higher-priced car. It was this reason, coupled with battery-makers and customer's complaints of… | ||
| img032 | Dynamo selection for future cars, comparing different sizes and their performance characteristics. | ||
| View original record | Elec. 6142 IV. C. H/W. R.M/D.II.24.2.40. Dynamos for Future Cars. Some discussion has arisen over our recommendation that a five-inch dynamo continue to be fitted on the 8-cylinder car. On the one… | ||
| img033 | Necessary corrections for a Dynamo to be fitted to a B.60 Ripplet engine. | ||
| View original record | To HPS/RH. Gloc 6142 Bill Rm/RC.1/B.24.2.40. DYNAMO FOR B.60 RIPPLET ENGINE. The Dynamo, which is to be fitted on the B.60 engine, for the Ripplet car, has been modified for the 'earthed-positive'… | ||
| img034 | Typical performance curves for a C45PV 12 Volt Dynamo and LRT9 Regulator. | ||
| View original record | THE JOSEPH LUCAS RESEARCH LABORATORIES. C45PV. 12 VOLT DYNAMO AND LRT9 REGULATOR (3 load & 3 Main Turns) WITH 63 A.H. BATTERY. TYPICAL PERFORMANCE CURVES. AMPERES. Showing Effect of Thermostatic… | ||
| img035 | Mounting and output of a Lucas dynamo model C.45.PV on a B.80 engine. | ||
| View original record | To Rm. or to EV/MH. Rm/Re Ev.10/JH.23.2.40. Lucas Dynamo Mounting B.80 Engine. We attach herewith 2 copies of PL.115 showing the Lucas dynamo model C.45.PV. type L.11 mounted on the B.80 engine. The… | ||
| img036 | Continued memo explaining the reasoning behind not fitting a specific dynamo on the Phantom model. | ||
| View original record | - 2 - Cont'd. It is therefore, a feature one would expect to be included on the higher-priced car. It was this reason, coupled with battery-makers and customer's complaints of run-down batteries that… | ||
| img037 | The recommendation of fitting a five-inch dynamo to the 8-cylinder car versus a 4.5-inch dynamo for other models. | ||
| View original record | c. Rm/RC. Rm.4/ML.24.2.40. Dynamos for Future Cars. Some discussion has arisen over our recommendation that a five-inch dynamo continue to be fitted on the 8-cylinder car. On the one hand it is… | ||
| img038 | Potential dynamos for the 'Rationalised Range' of vehicles. | ||
| View original record | c. Rm/RC. Rm.4/ML.24.2.40. Dynamos for the Rationalised Range. There are three potential machines available: Lucas 4½", Lucas 5", and R.R. 5". We think that we should carry on with testing all three… | ||
| img039 | Selection and testing of three potential dynamos for the Rationalised Range. | ||
| View original record | 6142 Hm/RC. Rm.4/ML.24.2.40. Dynamos for the Rationalised Range. There are three potential machines available: Lucas 4½", Lucas 5", and R.R. 5". We think that we should carry on with testing all three… | ||
| img040 | Attaching two prints of drawing PL.116, showing a Lucas Dynamo mounted on the B.40 unit. | ||
| View original record | 6142 SECRET. To Rm. from Ev. c. to Ev/HH. Ev/20/JH.22.2.40. Lucas Dynamo B.40 Unit. We attach herewith two prints of PL.116 shewing the Lucas Dynamo mounted on the B.40 unit. The new pulley is that… | ||
| img041 | Letter to Lucas Ltd. inquiring about the supply of a 5-inch, belt-driven dynamo for a larger class of car. | ||
| View original record | 9/cc. 6142. Rm/RC.4/JH. 21st. February, 1940. Messrs. Lucas Ltd., Great King Street, BIRMINGHAM.19. For the attention of Mr.F.G.Thacker. Dear Sirs, In September 1937 we tested one of your 5 inch… | ||
| img042 | Special dynamo from Messrs Lucas for the B60 engine and the request to manufacture the corresponding end brackets. | ||
| View original record | 96cc J 6142 To HPS/RH. Copy to RM/RC/CAP Rm/RC.11/ML.12.2.40. Messrs Lucas have agreed to supply us with a special dynamo which will fit any B60 engine. We agreed to make the end brackets for this… | ||
| img043 | Letter to J. Lucas Ltd. acknowledging receipt of drawings for special dynamo brackets. | ||
| View original record | 6142 Rm/RC.11/ML. 16th. Feb: 1940. B.G.Crapper,Esq., J.Lucas,Ltd., Great King Street. Birmingham. 19. For the attention of B.G.Crapper,Esq., Dear Sir, We thank you for your letter and the accompanying… | ||
| img044 | Attaching prints for a Lucas Dynamo on a B.60 engine. | ||
| View original record | To Rm. c. to Ev/HH. file ight b142 Ev.S/JH.19.2.40. Lucas Dynamo on B.60 Engine. We attach two prints of PL.104 showing the Lucas dynamo, model C.45.PV.3, type L.1.0, Lucas drawing number 238186 for… | ||
| img045 | Letter from Joseph Lucas Limited regarding a sample Dynamo and associated drawings. | ||
| View original record | HEAD OFFICES & WORKS: GREAT KING ST., BIRMINGHAM CONTRACTORS TO THE ADMIRALTY, WAR OFFICE, AIR MINISTRY, INDIA OFFICE, G.P.O. AND LEADING RAILWAYS. JOSEPH LUCAS LIMITED GREAT KING STREET BIRMINGHAM 19… | ||
| img046 | Letter from Joseph Lucas Ltd discussing component dimensions and drawing projections. | ||
| View original record | CONTINUATION JOSEPH LUCAS LIMITED PAGE 2 DATE 9. 2. 40. Messrs. Rolls-Royce, Limited, --------------------- just to lay out the nose of the bearing from the dimensions given on the detail drawing, you… | ||
| img047 | Order for five C.45PV/3 type CL1/0 dynamos from Messrs. Lucas. | ||
| View original record | b142. To Les. c. to G/JWH. Rm/RC.9/JH.9.2.40. Will you please order from Messrs. Lucas five C.45PV/3 type CL1/0 dynamos (Their drg.No.238186. O/N.52512 - 3 O/N.52505 - 2 Rm/RC. | ||
| img048 | Order of five C.45PV/3 type CL1/0 dynamos from Messrs. Lucas. | ||
| View original record | 5600 6142 To Les. c. to G/JWH. Rm/RC.9/JH.9.2.40. Will you please order from Messrs. Lucas five C.45PV/3 type CL1/0 dynamos (Their drg.No.238186. O/N.52512 - 3 O/N.52505 - 2 Rm/RC. | ||
| img049 | Recurring fault with a dynamo that has ceased to charge due to a faulty relay switch. | ||
| View original record | c. to Redac. Wymondley. 6142 Rm/Wym.1/RA.5.8.40. 3.B.50 Car. Mileage 11,727. The dynamo has again ceased to charge on the above car. What happens apparently is that the relay switch does not make good… | ||
| img050 | Recurring issue with a dynamo and relay switch on a car. | ||
| View original record | To Rm. [Redacted] Rm/RP. See me. Rm Rm/Wym.1/BA.3.2.40. 3.B.50 Car. Mileage 11,727. The dynamo has again ceased to charge on the above car. What happens apparently is that the relay switch does not… | ||
| img051 | History of the Lucas Dynamo for the B.60 engine, detailing modifications and proposals for future schemes. | ||
| View original record | To. Dr. [REDACTED], from Ev. Copy. Mr. [REDACTED] c. Rm/RC. Ev.6/3.1.40. RE LUCAS DYNAMO - B.60 ENGINE. We would like to tell you the history of the Lucas Dynamo on the B.60 engine. A standard machine… | ||
| img052 | Letter to Lucas Ltd. concerning a special dynamo and specifications for 5 cored cable. | ||
| View original record | Rm/HC.10/JH. 19th. December, 1939. Messrs. Lucas Ltd., Great King Street, BIRMINGHAM.19. For the attention of Mr. L.G. Toulmin. Dear Sirs, We thank you for your letter of the 15th. Dec. With regard to… | ||
| img053 | Requesting a covering order for a Lucas C.45PV Dynamo pulley from Rover Co. | ||
| View original record | 642 To LBS. c. to G/JWH. Rm/KC.16/JH,10.11.39. Will you please issue a covering order to the Rover Co. for one Dynamo pulley, as fitted to the Lucas C.45PV Dynamo. We have already received this… | ||
| img054 | Letter to M. Wilks of The Rover Co. Ltd. thanking him for supplying a dynamo pulley. | ||
| View original record | 6142 Rm.14/JH. 10th. November, 1939. M.Wilks Esq., The Rover Co.Ltd., New Meteor Works, COVENTRY. Dear Wilks, Many thanks for your help in supplying us with the dynamo pulley. We have now fitted this… | ||
| img055 | Parts to be sent to Joseph Lucas Ltd for experimental use. | ||
| View original record | c. to M/RC. Please despatch, carriage paid, to Messrs. Joseph Lucas Ltd., Great King Street, marked for the attention of Mr. Toulmin:- 1. DB.2007.DC. End bracket - I.W. 1. DB.2008.DC. End bracket -… | ||
| img056 | Request to arrange for B.60 Dynamo parts to be sent to Messrs. Lucas for experimental purposes. | ||
| View original record | To Ies. c. to G/J.H. c. to RM/RC/CAP. RM/RC.1/JH.31.10.39. Will you please arrange for the following B.60 Dynamo parts to be sent to Messrs. Lucas. 1 LB.2007 D.C. End Bracket - P.E. 1 LB.2008 D.C. -… | ||
| img057 | Type F.F0 Dynamo Pulley sent to Joseph Lucas Ltd. on loan for experimental purposes. | ||
| View original record | Ryatt c. to Ry/RC. Lee/F.D.7/c.30.10.39. Advise despatch, carriage paid, to Messrs. Joseph Lucas Ltd., Great King Street, Birmingham, marked for the attention of Mr. Thacker :- 1. Type F.F0 Dynamo… | ||
| img058 | Request to dispatch one B.60 Dynamo Pulley to Messrs. Lucas for experimental purposes. | ||
| View original record | 6142 To Les. c. to G/JWH. Rm/RC.6/JH.26.10.39. Will you please arrange for one B.60 Dynamo Pulley to be despatched to Messrs. Lucas, Great King St. Birmingham. 19. To be marked for the attention of… | ||
| img059 | Letter to Messrs. Lucas Ltd. regarding electrical equipment and an enclosed pulley from an experimental dynamo. | ||
| View original record | RM/RC.I/JH. 26th. October, 1939. Messrs. Lucas Ltd., Great King Street, BIRMINGHAM.19. For the attention of Mr.F.G.Thacker. Dear Sirs, We thank you for your letter of the 23rd. October, with enclosed… | ||
| img060 | Replacement of a dynamo commutator for car 3.B.50 with one built from pure mica. | ||
| View original record | 6142 To HPS/W.C. c. to By/RD. c. to RM/RC/CAP. Rm/RC.7/JH.c1.8.39. Dynamo for car 3.B.50. Owing to the reported failure of the dynamo on 30.G.VII in France, due to the brushes becoming sticky, we… | ||
| img061 | Failure and revised design of a dynamo mounting bracket for B.60 and B.80 engines. | ||
| View original record | C. Bn. 61142 DA.A/G.18.7.39. (MILOS B.60 and B.80 ENGINES. DYNAMO MOUNTING BRACKET. Because of the failure of the original bracket in running on the test bed, we have prepared K.B.1461 showing a… | ||
| img062 | The failure of a Dynamo Suspension Bracket during a test bed run. | ||
| View original record | To Rm. from HPS/RH. O.Rm. C. Bp. 6142 bAP HPS/RH.R/BA.8.7.39. Re What is being done B.60.No.3 Unit (Engine) Failure of Dynamo Suspension Bracket. EB.4058. Failure occurred after 118 hours 25 mins. on… | ||
| img063 | Diagram illustrating cracks found on a mechanical component. | ||
| View original record | CRACKED IN RAD CRACKS TOWARDS HOLES | ||
| img064 | Instructing the production of an urgent 'ALUM 80' Unit No.8 engine. | ||
| View original record | To-HPC. from Rm/Swdl. c.c. HFS/EN. c.c. Rm/CTS. c.c. Rm/SDG. c.c. Rm/RO. c.c. Rm/Cbr "ALUM 80" UNIT (NO.8). 3.25 BORE. Will you please instruct for a unit to be produced in accordance with the memo… | ||
| img065 | Availability of 3½-litre Bentley pistons from repair stock. | ||
| View original record | -2- Rm/Swdl.7/NH.7.7.39. (9) Pistons 3½-litre Bentley should be available from the Repair stock. Rm/Swdl. | ||
| img066 | Modifications to the dynamo mounting and fixing for a single belt drive engine. | ||
| View original record | 6142 BA.4/W.5.7.30. R.R. SINGLE BELT DRIVE - DYNAMO MOUNTING AND FIXING. RE Finders receive herewith :- E.DB.1439 Dynamo Mounting for Single Belt R.R Engine. The Dynamo support bracket and also the… | ||
| img067 | Examination and required repairs for a dynamo with noisy bearings. | ||
| View original record | To HPS/WJC. c. to Rm/RC/CAP. Rm/RC.3/JR.28.6.39. Dynamo off car 27.G.VI. The dynamo belonging to 27.G.VI. was removed from the car with the complaint of noisy bearings. Examination shewed that the… | ||
| img068 | Increasing the armature winding gauge of a 36 Slot Dynamo for the Standard Wraith. | ||
| View original record | 6142 To By. o. to Da. o. to By/RD. RM/NC.12/JH.23.6.39. Re 36 Slot Dynamo (Std. Wraith). As an experiment the effect of increasing the gauge of the armature winding from 19 s.w.g. to 18 s.w.g. has… | ||
| img069 | Alteration notice concerning the Dynamo Armature Winding Diagram for Bentley 60 & 80 models. | ||
| View original record | 6142 cal BY/RB.4/R.M.6.39. BENTLEY 60 & BENTLEY 80. Dynamo. Section 8070. We hand you herewith, Alteration No: 1795/D.ss. together with blueprints of the LOPs and DB.2470 - Armature Winding Diagram.… | ||
| img070 | Loose nut on the dynamo belt pulley and a stripping thread on the cover screw. | ||
| View original record | 6142 c a p DA.2/8.29.6.39. 3.60 and 3.80. ENGINES. DYNAMO. Mr/Sutl. reports that the nut and lock washer securing the belt pulley has repeatedly come loose, this scheme provides a tab lock washer to… | ||
| img071 | Prints for a single belt scheme on a Bentley 60 Chassis. | ||
| View original record | 6142 C.al. HT/RD.7/2.S.6.39. BENTLEY 60 CHASSIS. FB.439 - Single Belt Scheme. Please receive herewith prints of MR.2448/7 - Pulley and Fan (Dynamo), detailed for the above scheme. Alum. and Cast Iron… | ||
| img072 | The required overhaul for a Dynamo S1C4 from car 8.B.Y. | ||
| View original record | 6142 To HPS/WSC. c. to RM/RC/CAP. RM/RC.5/JH.16.5.39. DYNAMO S1C4 off CAR 8.B.Y. Before the dynamo off 8.B.Y. can be refitted it will be necessary to overhaul and clean it, examine and replace… | ||
| img073 | Arranging for a dynamo to be prepared for a second bearing and lubrication test. | ||
| View original record | To HPS/WSC. c. to RM/RC/CAP. RM/RC.16/JH.5.5.39. DYNAMO BEARING & LUBRICATION TEST. In connection with the experiments we are carrying out on dynamo bearings, and method of lubrication, we are now… | ||
| img074 | Investigation into brush noise on a 72 coil dynamo, tracing the cause to varnish working up through mica insulation. | ||
| View original record | To By. from RM/MC. c. to By/RL. c. to MX. RM/MC.6/BM.6.4.39. Brush Noise on 72 Coil Dynamo. As previously reported in connection with brush noise on the 72 coil dynamo, the facts indicated that the… | ||
| img075 | The analysis of a material, identified as micanite, with recommendations for using a pure grade of mica. | ||
| View original record | -2- (1) The material burned for a short time. (2) A smell of hot resin or shellac was given off. (3) While warm the material was slightly sticky to the touch, but when cold it was quite dry. (4) After… | ||
| img076 | Modifications to a dynamo, reverting to a shorter case to reduce weight and cost. | ||
| View original record | 6142 DA.V/R.14.12.38. CHILDS. B.60 DYNAMO - D.CD.107B. This scheme represents certain modifications to D.CD.586 Dynamo, which had rolled and jointed magnet case of Lucas pattern, and cast iron End… | ||
| img077 | The examination and modification of the field winding on a large shunt dynamo. | ||
| View original record | 6142 To By. c. to La. c. to By/RD. RM/RC.5/JH.5.1.39. FIELD WINDING ON LARGE SHUNT DYNAMO. Owing to the complaints made by production, concerning the tightness of the field winding on the large… | ||
| img078 | Test results for a machine under standard and modified conditions, comparing temperature rise and cutting-in speed. | ||
| View original record | -2- RM/RC.5/JH.5.1.39. | Condition of machine. | Temperature rise on load. C°. | Cutting-in speed r.p.m. | |-----------------------------|-------------------------------|-------------------------| |… | ||
| img079 | Modification request for a dynamo on Bentley 60 engines, listing required parts. | ||
| View original record | 6142 HY/RD.2/B. 21.2.39. BENTLEY 60. D.CD.1075. Dynamo - Modified to give greater accessibility and reduction in weight etc. Will you please order sufficient sets of the following parts to enable any… | ||
| img080 | Parts list and instructions for dynamo connections, frame and field winding, including details on magnet cases. | ||
| View original record | -2- Sec. 8080. (Cont'd). DB. 2261 - Connection - (+) Terminal to Brush. DB. 2262 - Insulation - (+) Terminal to Brush. DB. 2263 - Securing Stud - Dynamo. DB. 2264 - Securing Nut. Sec. 8100 - Frame and… | ||
| img081 | Requesting the overhaul of a dynamo on a Bentley car 6.B.IV due to a worn commutator. | ||
| View original record | 6142 To HPS/WSC. c. to Rm/RC/CAP. Rm/RC.16/JH.8.3.39. DYNAMO ON BENTLEY CAR 6.B.IV. The commutator of the dynamo on car 6.B.4. is badly worn. Will you please arrange for this dynamo to be overhauled… | ||
| img082 | The failures and performance summary of a 36 slot dynamo. | ||
| View original record | 6142 To By. c. to Mx. c. to By/RD. RM/RC.18/JH.30.3.34 re 36 slot dynamo. Two consecutive failures of a dynamo of the above type running on 3.B.V. in France, called for an investigation as to the… | ||
| img083 | Dynamo and regulator tests, comparing brush life and performance across different car models. | ||
| View original record | -2- Car 6.B.IV. Dynamo, 48 coil (B.II and 25/30 standard). Regulator Output 16 amperes at 13.5 volts. Brush life 6,624 miles. Car 8.B.V. (First Test). Dynamo, 40 coil 36 slot (Wraith 'B' series).… | ||
| img084 | Summary of opinions regarding dynamo issues, comparing the 36 slot dynamo to the Bentley II type and discussing potential solutions. | ||
| View original record | -3- Rm/RC.18/JH.30.3.39. time, coinciding with a warmed up condition of the commutator and brushes. We do not consider this serious as it has only happened on a few machines and has been cured by… | ||
| img085 | Failure and repair of a dynamo from a Bentley car 6.B.IV. | ||
| View original record | To HPS. c. to RC/CAP. 6142 Rm/RC.9/JH.24.10.38. Dynamo off car 6.B.IV. The dynamo on Bentley car 6.B.IV. machine No. H9DBX has failed and been removed for repair. Will you please arrange for this… | ||
| img086 | Requesting the removal of a dynamo from a Bentley and fitting a new one in the experimental garage. | ||
| View original record | 6142 To By. o. to By/RD. Rm/RC.10/JH.26.10.38. re By's Bentley. Will you please arrange for the dynamo now on By's car to be removed and another which we will supply, fitted in its place. The car is… | ||
| img087 | Responding to a query on a Bentley III, detailing an investigation into voltage control issues and outlining electrical load data. | ||
| View original record | To. Rm. Dynamo 6142 CHILDS CHATEAUROUX. L/.29.10.38. 8.B.V.- BENTLEY III. Thank you for your memo Rm/RC.24/JH.26.10.38. We have traced the apparent irregularity of the voltage control to a sticking… | ||
| img088 | Request to fit an armature fuse, dynamo, and regulator to vehicle 27.G.VI. | ||
| View original record | HPS c. to RC/CAP. 6142. Rm/RC.2/JH.8.11.38. re 27.G.VI. Will you please arrange for the following to be fitted to 27.G.VI as soon as it comes into the shop. Standard steel clips for armature fuse.… | ||
| img089 | Requesting the overhaul and repair of a dynamo taken from vehicle 8.B.V. | ||
| View original record | 6142. To HPS. c. to RC/CAP. Rm/RC.15/JH.21.11.38. re Dynamo off 8.B.V. Will you please arrange for the dynamo No. S.IC2 taken off 8.B.V. after 15,000 miles run in France, to be completely overhauled… | ||
| img090 | Attaching the production specification and test for a 36 slot dynamo for use on Wraith and Bentley chassis. | ||
| View original record | 6142 To By. from Rm/RC. c. to Da. c. to By/RD. Rm/RC.8/JH.13.12.38. We attach herewith production specification and test for the 36 slot dynamo for use on Wraith and Bentley chassis. Rm/RC. | ||
| img091 | Specification for the inspection and test of a small shunt dynamo. | ||
| View original record | ATTACHED TO RM/KC.8/JH.13.12.38 Specification No.E.C.15a. Inspection and test of small shunt dynamo. Type :- Fan machine with rubber drive. Armature : 36 slots, 8 conductors 19 S.W.G. Poles Chamfer… | ||
| img092 | Specification outlining the testing procedures for a dynamo, including insulation, load, and performance tests. | ||
| View original record | -2- SPECIFICATION. R.C.158. (2) The insulation resistance of the machine should be taken and should not be less than 1 megohm. N.B. For the running tests it will be necessary to insert a variable… | ||
| img093 | Specification detailing a test procedure for machine insulation. | ||
| View original record | 7 -3- SPECIFICATION; ELC.13a. (9) The insulation of the machine should be tested whilst still hot by applying through a low C.P. 200 volt lamp an alternating voltage of 200 between the windings and… | ||
| img094 | Revised and more efficient production testing specification for dynamos. | ||
| View original record | To By 6142 Rm/RC.8/JH.30.5.38. PRODUCTION TESTING OF DYNAMOS. With a view to facilitating the production of dynamos, we have reviewed the specification of test for these machines, and produced a… | ||
| img095 | Success of a new procedure for bedding brushes. | ||
| View original record | -2- Rm/RC.8/JH.30.5.38. The success of this new procedure, largely depends on how well brushes are initially bedded. Attached is a copy of the modified form of specification which we recommend. Rm/RC. | ||
| img096 | Inspection and testing procedures for a small shunt dynamo. | ||
| View original record | 23.5.38. SPECIFICATION NO. ELC.15.a. INSPECTION AND TESTS OF SMALL SHUNT DYNAMO. Fan machine with rubber buffer drive. Type :- Armature :- 24 slot, 12 conductors, 17 s.w.g. Poles :- Chamfer 15° Air… | ||
| img097 | Dynamo testing and running-in procedures, including brush bedding and performance checks. | ||
| View original record | Note (1) It is possible that a spring which is noticeably weak is cracked and requires replacing. (Note 2) It will usually be found that a spring which is good has a uniformly expanding spiral. (e)… | ||
| img098 | List of test procedures for a dynamo, covering mechanical noise, load, vibration, and insulation. | ||
| View original record | (7) The dynamo shall again be run on load and its speed varied up and down with a view to testing for mechanical and electrical noise. (8) The dynamo shall now be run up to 5,000 r.p.m. still on load,… | ||
| img099 | Agreeing to changes in test specifications for dynamos and starter motors. | ||
| View original record | 6142 To Rm/RC. BY/RD.3/B.17.6.38. We agree to the proposal to change the test specification of the dynamos, and are issuing the necessary instructions to the Works. We also propose to alter the… | ||
| img100 | Urgent modification to an experimental dynamo for Wraith and Bentley models. | ||
| View original record | To HP.. c. to RC/CAP. 6142 Rm/RC.11/JH.28.6.38. EXPERIMENTAL DYNAMO FOR WRAITH AND BENTLEY. (36 slot armature). Our tests on the first machine of this type show that the angle of retard of the brushes… | ||
| img101 | Listing four required corrections for Special Dynamo No.S.1C.2 for car 8.B.V. | ||
| View original record | To HPs. c. to RC/CAP. 6142 Rm/RC.16/JH.6.7.38. SPECIAL DYNAMO No.S.1C.2. for car 8.B.V. We have examined and tested the above dynamo, and find that before it can be fitted on the car it needs… | ||
| img102 | Minor corrections for a small dynamo with a 36-slot armature following examination and tests. | ||
| View original record | To By/RD. from RM/RC. c. By. 8 6142 Rm/RC.5/WH.6.7.38. RE SMALL DYNAMO WITH 36 SLOT ARMATURE. As a result of our examination and tests on both the experimental machine and the first complete… | ||
| img103 | Instructions regarding issues with Phantom III Dynamos, specifically brush pressure and clearance. | ||
| View original record | To RHG/EM FHC/ard. c. Fm/RC. 6142 BY/RD.4/B.8.7.38. PHANTOM III DYNAMOS. (36 SLOTS). These Dynamos will be Piece No: D.76276. We understand that they cannot be passed off test because of light brush… | ||
| img104 | Responding to points raised regarding a small dynamo with a 36 slot armature. | ||
| View original record | 6142 To Rm/RC. BY/RD.3/B.8.7.38. RE SMALL DYNAMO WITH 36 SLOT ARMATURE. In reply to the points raised in Rm/RC.5/MH.6.7.38. (1) We have already issued a revised winding diagram to obtain an 8° brush… | ||
| img105 | Test report on the dynamo and regulator for car 35.EX. | ||
| View original record | To By c. to By/RD. 6142 Rm/HC.1/JH.11.7.38. DYNAMO & REGULATOR TEST ON 35.EX. A test has been carried out on the 72 segment armature dynamo I.C.2 in conjunction with a 2 1/2 turn C.A.V. type regulator… | ||
| img106 | Test results detailing battery current changes and dynamo commutator condition. | ||
| View original record | -2- RM/RC.1/JH.11.7.38. Test (3) At the end of the run, the current going into the battery with only the ignition and petrol pumps on, had risen to 16 or 17 amperes. This was mainly due to the… | ||
| img107 | Specifications and parts list for the Bentley 60 Dynamo. | ||
| View original record | 6142. RC o. Ra/RC. BY/RD.1/B.13.7.38. BENTLEY 60 - DYNAMO. B.CD.756 - Pulley Driven Dynamo. L.CD.643 - Dynamo Mounting. This machines incorporates all the electrical features of the 36 slot dynamo… | ||
| img108 | Instruction sheet listing parts and drawing references for Frame, Field Winding, and Commutator components for the Bentley 60 engine. | ||
| View original record | -2- Sec.8100 - Frame and Field Winding. LOP. DB.1864. DB.1843 - Magnet Case. DB.1853 - Terminal Plate - Positive. DB.1854 - Terminal Plate - Negative. DB.1856 - Terminal Stud - Negative Brush. DB.1857… | ||
| img109 | Letter to Messrs. H.C.L. & Repetition Ltd. regarding the examination of sample units and a dynamo design. | ||
| View original record | 6142. EXPERIMENTAL DEPARTMENT. RM/HC.19/JH. 18th August, 1938. Messrs. H.C.L. & Repetition Ltd., Pool Lane, Langley, BIRMINGHAM. Dear Sirs, With reference to your letter JDB/GMB. of May 17th. 1938 and… | ||
| img110 | Specification for a 5-inch dynamo. | ||
| View original record | SPECIFICATION OF 5" DYNAMO. The design of the machine shall be such, as to comply with the following - (1) Type of machine. Shunt wound, with field winding connected to positive brush. Negative brush… | ||
| img111 | Specification document detailing the operational requirements for a dynamo. | ||
| View original record | -2- just discernible and not intense sparks, inclined to persist. (5) The dynamo must be free from electro-magnetic noise at all speeds and outputs. Also from undue brush and bearing noise, and… | ||
| img112 | Letter from M.C.L. and Repetition Ltd regarding sample units and a dynamo specification. | ||
| View original record | 6142. CONTRACTORS TO GOVERNMENT DEPARTMENTS. TELEPHONE: BROADWELL 1115 (3 LINES) TELEGRAMS: 'KARLYTEKO, LANGLEYWORCS' M.C.L. AND REPETITION LTD MANUFACTURERS OF 'MOTOR CAR LIGHTING' EQUIPMENT AND AUTO… | ||
| img113 | Drawing No.207 for the dynamo mounting on a straight-8 engine. | ||
| View original record | SWDL ? CHILDS.S 6142. DA.6/8.22.8.38. B.80. DYNAMO DRIVE. Please receive No. 207, showing the dynamo mounting for the straight 8 engine. A print has been previously handed to BY/GB. for clearing the… | ||
| img114 | Request to fit a new dynamo to car WXA.2 due to trouble with the existing one. | ||
| View original record | 6142. To HPS. c. to Rm/RC./CAP. Rm/RC.2/JH.22.9.38 re Dynamo on WXA.2. The dynamo on the above car is giving trouble, will you please fit a new dynamo, which will be supplied by the electrical… | ||
| img115 | Letter from a supplier discussing the redesign of a Dynamo and placing the matter in abeyance. | ||
| View original record | 6142. CONTRACTORS TO GOVERNMENT DEPARTMENTS. TELEPHONE: BROADWELL 1115 (3 LINES) TELEGRAMS: 'KARLYTEKO, LANGLEYWORDS' (MCL) REG. TRADE MARK M.C.L. AND REPETITION LTD MANUFACTURERS OF 'MOTOR CAR… | ||
| img116 | List of dynamo weights for various car models. | ||
| View original record | elect: also "HW" Rm. from Rm/Cr. c. Da/Jnr. Rm/cr7/R.3.10.38. DYNAMO WEIGHTS. B.60. Dynamo complete with pulley - 26 lbs 7 1/2 ozs.(Jnr's figures) WRAITH. " with ventilator - 23 " 14 " S.S. " and… | ||
| img117 | Requesting the production of dynamo bearing brackets in Aluminium instead of Aluminium Bronze for the Bentley 60. | ||
| View original record | 6642 c. Fm/RC. BY/RD.3/B.6.10.38. BENTLEY 60 - DYNAMO. D.CD.556 - Pulley Driven Dynamo. E.CD.643 - Dynamo Mounting. With reference to the dynamo for the above, built to our memo' BY/RD.1/B.13.7.38, we… | ||
| img118 | Investigation into a dynamo fault caused by sticking brushes on an experimental Wraith car. | ||
| View original record | 6142 To By. c. to By/RD. c. to RMC/FMD. Rm/RC.1/JH.7.10.38. Dynamo Fault Due to "Ticking" Brushes. An outstanding case of a dynamo ceasing to charge, through the brushes not sliding freely in their… | ||
| img119 | Analysis of issues with a negative brush and holder, attributing the problem to grease and proposing a new holder design. | ||
| View original record | -2- The negative brush was then removed, and a small quantity of firm grease, which had been noticed on it, scraped off. It was then gently replaced, when the machine immediately excited. Apart from a… | ||
| img120 | Requesting the replacement of an experimental dynamo on car 35.EX. | ||
| View original record | x 6142. To HP. c. to RC/CAP. Rm/RC.5/JH.10.10.38. EXPERIMENTAL DYNAMO ON CAR 35.EX. The experimental 72 coil dynamo No.103 has now completed its running on car 35.Ex and is required for modification.… | ||
| img121 | Letter from M.C.L. and Repetition Ltd. requesting a meeting to discuss the provision of a Dynamo. | ||
| View original record | CONTRACTORS TO GOVERNMENT DEPARTMENTS. Dynamo TELEPHONE: BROADWELL 1115 (3 LINES) TELEGRAMS: 'KARLYTEKO, LANGLEYWORCS' MCL REG. TRADE MARK. 6142 M.C.L. AND REPETITION LTD MANUFACTURERS OF 'MOTOR CAR… | ||
| img122 | Letter to M.C.L. & Repetition Ltd. regarding a meeting with Mr. Beard about dynamos. | ||
| View original record | 6142 EXPERIMENTAL DEPARTMENT. Rm/HC.9/JH. 13th. October, 1938. M.C.L. & Repetition Ltd., Pool Lane, Langley, BIRMINGHAM. For the attention of Mr. Beard. Dear Sirs, We are in receipt of your letter of… | ||
| img123 | Parts list detailing blueprints and requirements for the Wraith III chassis dynamo drive and armature. | ||
| View original record | HPS. c. Rm. c. Rm/SWdl. 6142. BY/Ald.10/G.22.10.38. WRAITH III. CHASSIS. DYNAMO ARMATURE - SECTION 8070. DYNAMO DRIVE - SECTION 5100. Please receive herewith two blueprints of each of the following :-… | ||
| img124 | The parts list, alternatives, and production instructions for Section 5100. | ||
| View original record | - 2 - BY/Ald.10/S.22.10.38. SECTION 5100. EW.877 Connecting Shaft. 1 off. KB.3579 Nut for Connecting Shaft. 3 off. K.4602A Split Pin for Rear Coupling. 3 off. EW.1927 Driving Block. 3 off. E.88267… | ||
| img125 | Request to order a Dynamo Motor and associated equipment from Messrs Brook Motors for the Experimental Electrical Department. | ||
| View original record | Copy from EJJ. c to Mr Hights (struck through) c to Hs/Wst. - 6099. EJJ7/WB1.1.35. DYNAMO MOTOR IN EXPERIMENTAL ELECTRICAL DEPT --------------------------------------------- Please send an order to… | ||
| img126 | Letter to The Morgan Crucible Co. Ltd. arranging a visit to test a chassis dynamo. | ||
| View original record | 4699 Hs/Wet.18/MA. 4th January, 1934. The Morgan Crucible Co.Ltd., Battersea Works, Church Road, London, S.W.11. Dear Sirs, We beg to refer you to the visit of your Mr.H.T.Sparkes to my works at the… | ||
| img127 | Extremely degraded and illegible document, possibly containing a faint drawing. | ||
| View original record | Illegible | ||
| img128 | List comparing the weights of three different types of dynamos. | ||
| View original record | 26099 DYNAMO WEIGHTS. Present standard Bentley - 30 lbs. 8 ozs. Small 20/25 type with fan ventilation - 23 lbs. 0 ozs. La Salle (same size as 20/25) - 24 lbs. 12ozs. | ||
| img129 | Arranging to pack and send a standard 2V25 dynamo by train to St. Pancras. | ||
| View original record | \6037\ G/WT. From Hs/Wat. c. to D/BP. Hs/Wat.G/MA.7.1.35. As arranged on the telephone with Mr.Cheadle will you please arrange to pack a standard 2V25 dynamo and place on the 8 am. train tomorrow… | ||
| img130 | Request to remove and modify a set of poles from an experimental 20/25 dynamo. | ||
| View original record | 16037 RHC. From Hs/Wst. Hs/Wst.2/MA.7.1.35. DYNAMO POLES. Will you please have a set of poles removed from one of our experimental 20/25 dynamo chamfered at the tips as per attached sketch EL83.… | ||
| img131 | Letter to The Morgan Crucible Co. Ltd. regarding the testing of a dynamo and new brush holders. | ||
| View original record | L 097 Exptl. Dept. HB/Wst.lc/KW. 9th January, 1935. Messrs. The Morgan Crucible Co.Ltd., Battersea Works, Church Road, London, S.W.11. Dear Sirs, We wish to thank you most cordially for your kindness… | ||
| img132 | Production of one dozen special Bentley dynamos and a request for a revised test specification. | ||
| View original record | WST -/642 Hs/Wst. BY/RD7/W.17.1.35. SPECIAL BENTLEY DYNAMO. With reference to the special Bentley dynamo with very low cutting in speed, it has now been decided that we should produce one dozen of… | ||
| img133 | Part lists for a 20/25 HP Chassis ventilated dynamo to simplify production. | ||
| View original record | c. Hs/Wst. WST BY/RD8/W.17.1.35. 20/25 H.P.Chassis. Ventilated Dynamo. R.R.Sch.805. Please receive herewith blue prints of parts detailed from the above scheme,which has been arranged in order to make… | ||
| img134 | Potential improvements to car dynamos based on findings from aero engine experiments. | ||
| View original record | 6099 E. From Hs/Wst. c. to Hy. Hs/Wst.11/MA.18.1.34. CAR DYNAMOS. During a conversation we had recently with the Aero engine dynamo expert from the Royal Aircraft Establishment we elicited the fact… | ||
| img135 | Letter enclosing four oscillograph records of a dynamo tested under various conditions. | ||
| View original record | T.T. 4058 CODES: A.B.C. 4th 5th & 6th (5 LETTER) EDITIONS, A.1. LIEBER'S & WESTERN UNION (UNIV. & 5 LETTER EDIT) & BENTLEY'S. Inland Telegraphic Address. "CRUCIBLE, PHONE, LONDON" (2 words only… | ||
| img136 | Report from The Morgan Crucible Company regarding armature tooth ripple and coil commutation issues. | ||
| View original record | RM 2751 -2- To Messrs.Rolls Royce, Limited, DERBY. The Morgan Crucible Company, Limited. January 23rd, 1935. The armature tooth ripple shows up very prominently on Charts Nos. 2 and 4. Further, to… | ||
| img137 | Requesting a modification to dynamo poles for a fan ventilated dynamo. | ||
| View original record | RHC. From Hs/Wst. 86 0499 Hs/Wst.3/MA.23.1.35. FAN VENTILATED DYNAMO. We have already asked for a set of dynamo poles to our drg. ELO, to be fitted to one of our ventilated dynamos. When this is done,… | ||
| img138 | Improvement of dynamo commutation by modifying armature coil configuration. | ||
| View original record | -6099. E. From Hs/Wat. c. to By. Hs/Wat.1/MA.24.1.35. Re. DYNAMO COMMUTATION. Some considerable time ago reference Hs/Wat.11/ MA.18.1.34., we wrote you suggesting that an improvement in the… | ||
| img139 | Parts list for a Bentley Ventilated Dynamo, detailing components for the Armature, Bearing Brackets, and Commutator. | ||
| View original record | C.H/Mat. 6142 BY/RD1/W.28.1.35. BENTLEY VENTILATED DYNAMO. B.P.L.C.H & Co. Ltd. Will you please put in hand one Dynamo to the following particulars :- Sec.8070. Armature :- DB. 902. Armature Assembly… | ||
| img140 | List of parts and modification notes for Frame and Field Winding, section 8100. | ||
| View original record | BY/RDL/W.25.1.35. (Contd :- - 2 - Sec.8100. Frame and Field Winding :- x DB. 925. Magnet Case. 1 off. D.53233. Locating Peg. 1 off. K.30164. Countersunk Screw. 1 off. All other pieces for the Field… | ||
| img141 | Experimental department report investigating the operation of a dynamo 'cut-out' due to reported troubles. | ||
| View original record | C.C.99. EXPERIMENTAL DEPARTMENT REPORT. REFERENCE :- W/Wat.5/MA. 25.1.35 Subject of Report:- Investigation of operation of R.R. dynamo 'cut-out' in view of reported troubles in service. General… | ||
| img142 | Investigation into dynamo cut-out failures due to insufficient contact pressure and proposed design improvements. | ||
| View original record | Ha/Wat.5/WA.25.1.35. R.R. DYNAMO CUT-OUT. Owing to complaints having been received of cut-out points oxidising and also of the red warning light coming in at certain high speeds we came to the… | ||
| img143 | Recommendations for improving the S.R. Cut-out by redesigning the magnetic circuit. | ||
| View original record | -2- Hw/Wat.5/M.25.1.35. Cont'd. These results show that considerable improvement in the operation of the S.R. Cut-out can be obtained by redesigning the magnetic circuit and our recommendations are as… | ||
| img144 | Graph showing Ampere-Pull curves for a cut-out shunt coil, comparing standard and increased iron circuits. | ||
| View original record | CURVES SHOWING AMPERE-PULL OF R.R. CUT OUT OUT (SHUNT COIL ONLY) PULL IN OZS. (PULL ARMATURE OFF POLE) AMPERE TURNS ON COIL INCREASED IRON CIRCUIT STD. IRON CIRCUIT L.B. 21.1.35 | ||
| img145 | Request to make two sets of poles for a ventilated dynamo, with reference to an attached drawing. | ||
| View original record | PHC. From Hs/Wst. Hs/Wst.3/MA.8.2.35. VENTILATED DYNAMO. Will you please have made for us two sets of poles (3) for the above machine to drg.EL83 attached. Hs/Wst. | ||
| img146 | Request to order experimental dynamo armature plates from Messrs. Baldwins. | ||
| View original record | Roy. From Ha/Wat. 6099 Ha/Watl/MA.9.2.35. EXPERIMENTAL DYNAMO ARMATURE PLATES. Please order for us from Messrs.Baldwins 450 armature stampings to D.54434X 6 * D.54435X with altered slot dimensions as… | ||
| img147 | Standardisation of parts for an eccentric adjustment dynamo drive. | ||
| View original record | COMPLETED 12.2.35. 20/25 STANDARDISATION of PARTS. Description of Parts. ECCENTRIC ADJUSTMENT - DYNAMO DRIVE. Origin. To facilitate adjustment. Report of Experimental Test. R.R.Sch.584 has run 10,000… | ||
| img148 | Cost estimate for extra jigs, tools and equipment for the J.2 series chassis. | ||
| View original record | Est. cost of extra jigs, tools and equipment (Sft/Ws.17.12.34) £34.0.0. Several of the new parts are common to the Bentley modification, covered under Sheet X.No. 221, therefore this tool cost should… | ||
| img149 | Standardisation of parts for the eccentric adjustment of the dynamo drive. | ||
| View original record | BENTLEY STANDARDISATION of PARTS. COMPLETED 12.2.35. Description of Parts. ECCENTRIC ADJUSTMENT - DYNAMO DRIVE. Origin. To facilitate adjustment. Report of Experimental Test. R.R.Sch.584 has run… | ||
| img150 | Cost estimate for jigs, tools, and equipment for a modification on the 20/25 HP model. | ||
| View original record | BENTLEY STANDARDIZATION & PARTS Est. cost of extra jigs, tools and equipment (Sft/Ws.22.12.34)£2.0.0. plus part cost of the amount quoted on std. sheet X.5100 for similar modification on 20/25 HP.… | ||
| img151 | Modifications and testing of Bentley dynamos to improve performance and address failures. | ||
| View original record | WST 8642 To Hs/Wst. from E. c. By/RD. Bentley Dynamos. Confirming our discussion of this morning, it is agreed that By/RD. will get back from Kingsbury one of the four dynamos mentioned in… | ||
| img152 | Proposal for an experimental dynamo modification for Bentley & 40/50 models to improve cutting-in speed and high-speed sparking. | ||
| View original record | 16142. E. From Hs/Wst. c. to By. Hs/Wst.8/MA.15.2.35. PROPOSED EXPERIMENTAL BENTLEY & 40/50 DYNAMO WITH IMPROVED CUTTING IN SPEED AND HIGH SPEED SPARKING. Following our discussion with By/HD. this… | ||
| img153 | Request to arrange for the rewinding of an experimental dynamo armature. | ||
| View original record | RHC. From Hs/Wst. 76099 Hs/Wst/7/MA/16.2.35 Will you please arrange to rewind an experimental dynamo armature, we are testing with 4 turns per coil of 18 S.W.G. D.C.C. wire. S/Wst. | ||
| img154 | Letter to The Morgan Crucible Co. Ltd. requesting the urgent return of a loaned R.R. dynamo. | ||
| View original record | 16099 HS/Wat.10/MA. 20th February, 1935. The Morgan Crucible Co.Ltd., Battersea Works, Church Road, London, S.W.11. Dear Sirs, We are very anxious to receive back from you for test the R.R.dynamo… | ||
| img155 | Works report on two high output dynamos with armatures that were knocked out of position. | ||
| View original record | WST 6099 Ha/WST Sft/JMW.6/MW.21.2.35. Re. High Output Dynamos. - LOP. DB.916. With reference to memo. D/BP14/OG.19.2.35. and D/BPN/BP19/OG.20.2.35. below we give you our Works' report on this job. "We… | ||
| img156 | Letter from The Morgan Crucible Company regarding a delay with a loaned dynamo and a request for an extension. | ||
| View original record | 6099. CODES, A B C 4th, 5th & 6th (5 LETTER) EDITIONS, A.1.LIEBERS & WESTERN UNION (UNIV. & 5 LETTER EDIT) & BENTLEYS. Inland Telegraphic Address, "CRUCIBLE, PHONE, LONDON" (2 words only chargeable)… | ||
| img157 | On modifying the 20/25 Dynamo's pole tips to improve high-speed commutation and reduce sparking. | ||
| View original record | E. From Hs/Wat. c. to Hy. (603) Hs/Wat.G/MA.25.2.35. 20/25 DYNAMO. We have been trying out on the bench a set of poles with chamfered tips to improve high speed commutation. In order to regain cutting… | ||
| img158 | Request for two sets of dynamo poles to be made for Spectre, as per drawing EL.111. | ||
| View original record | RHC. From Hs/Wst. 099 Hs/Wst.9/MA.27.2.35. DYNAMO POLES FOR SPECTRE. Will you please have two sets (8) of dynamo poles made to drg. EL.111 attached. Hs/Wst. | ||
| img159 | Confirming the successful results of an experimental dynamo test for a Bentley vehicle. | ||
| View original record | To Hs/Wst. from E. WST 6099 E.5/HP.27.2.35. c. Sg, Wop, Hs By, By/RD re Dynamos. This is to confirm that I have seen in the Lab. this morning the experimental 5" dynamo with 3.1 diameter armature and… | ||
| img160 | Instructions for the assembly of two Bentley Dynamo armatures, detailing required parts. | ||
| View original record | E.H.G. [struck through] S-J [struck through] c. Hs/Wst. Y6142 BY/RD1/W.5.3.35. BENTLEY DYNAMO. SEC.8070 - ARMATURE. Will you please put in hand two armatures in accordance with L.O.P. DB.980, print… | ||
| img161 | The decision to fit a dynamo from a 21.G.IV to an 18.G.IV and the required modifications. | ||
| View original record | [Handwritten] N6099 RHC. From Ha/Wst. Ha/Wst.5/MA.6.3.35. FAN VENTILATED DYNAMO. It has been decided to fit the dynamo No.SF2 referred to in Ha/Wst.11/MA.20.2.35., to 21.G.IV instead of 18.G.IV as it… | ||
| img162 | Modifications and a work hold for a Bentley Ventilated Dynamo, scheme 812. | ||
| View original record | 76142 c. HB/Wat. BY/RD4/W.7.3.35. Bentley Ventilated Dynamo. H.R.Scheme 812. Will you please note that certain modifications are proposed to the dynamo to the above scheme, instructed in our memo… | ||
| img163 | Request to build a 20/25 dynamo armature with special stampings and wire. | ||
| View original record | 16099 RHC. From Hs/Wst. Hs/Wst.2/MA.7.3.35. Will you please arrange to build up for us a 20/25 dynamo armature with special armature stampings we have obtained, and wound with 4 turns per coil of 18… | ||
| img164 | Alteration to the Bentley Ventilated Dynamo magnet case. | ||
| View original record | c. Hw/Wst. 6142 BY/RDR/W.14.3.35. Bentley Ventilated Dynamo. R.R.Scheme 812. With reference to the ventilated dynamo which you have in hand to our memo BY/RD4/W.7.3.35, will you please note that the… | ||
| img165 | Improvements to the brush gear design of the 40/50 and Bentley dynamo to improve performance. | ||
| View original record | 4642. EXPERIMENTAL DEPARTMENT REPORT. REFERENCE :- Ha/Wat.5/MA.14.3.35. Subject of Report:- Improvements in brush gear design of 40/50 and Bentley dynamo to improve performance. General Conclusions :-… | ||
| img166 | Test report on modifications to the brush gear for the 40/50 and Bentley dynamo. | ||
| View original record | MODIFICATIONS TO BRUSH GEAR ON 40/50 AND BENTLEY DYNAMO. The purpose of this test was to investigate the effect of the following modifications to the large shunt generator, these modifications being… | ||
| img167 | Comparative test results and conclusions for an experimental dynamo versus a standard model, page 2. | ||
| View original record | -2- Ha/Wat.50/M.A.14.3.35. Cont'd. Sparking Test. at 13.0V, 14.0 amperes, 5250 R.P.M. Experimental. Standard. Positive - normal to bad sparking. Positive - very bad sparking some flashing. Negative -… | ||
| img168 | Requesting a pulley be made for a Dynamo Running-In Rig and delivered to the Electrical Experimental Department. | ||
| View original record | Memo. from EJJ/JV. c to Hs/Wst. Exp. Dept. WST copy EJJ/JV18/C15. 3. 36. Re Dynamo Running-In Rig, Electrical Exp. Department. Order No. 816. Will you please have Pulley made to Detail J.11762… | ||
| img169 | Request to fit a fan-ventilated dynamo in the laboratory with a set of machined poles to S183. | ||
| View original record | RHC. From Ha/Wst. 6099 Ha/Wst.4/MA.18.3.35. Will you please have one of our fan ventilated dynamos in the laboratory fitted with a set of poles to S183 which you have had machined for us. Ha/Wst. | ||
| img170 | Request to order experimental stampings from Messrs. Sankeys for a special Air Ministry experiment. | ||
| View original record | Y6099 Roy. From Ha/Wst. Ha/Wst.3/MA.21.3.35. Please order for us from Messrs.Sankeys 100 stampings to drg.ELL17A and 6 stampings to ELL17B. Two prints of our experimental sketch ELL17 is attached… | ||
| img171 | The noise testing of a ventilated dynamo fitted to chassis 21-G-IV. | ||
| View original record | To Hs/Wst. [Redacted] [Redacted] 6037 Hs/GWH.3/KW.15.3.35. 21-G-IV. We have fitted the ventilated dynamo to 21-G-IV and tried it for noise. There is a heavy note when the dynamo is charging which is… | ||
| img172 | The failure of 20/25 HP Tank Engine Dynamos due to electrical overheating during manoeuvres. | ||
| View original record | WST L6037 To WST from E/Ltd. E/Ltd.1/HP.22.3.35. c. Wor. Hs/Wst. By/HDT 20/25 HP. Tank Engine Dynamos. --------------------------------- Major Howard of the Armaments Inspection Department, Woolwich… | ||
| img173 | Failures of 20/25 HP chassis dynamos and proposed improvements. | ||
| View original record | To [redacted] and Wors from E. c. Hs. Hy/Wst By/RD. E.6/HP.22.3.35. re 20/25 HP. Chassis Dynamos. The following memo is to record discussion between Hs/Wst. By/RD. and E. on the 20/25 dynamo position.… | ||
| img174 | Modifications to a dynamo's pole piece to reduce magnetic noise and prepare it for future vehicle series. | ||
| View original record | (2) (b) Pole Piece with increased angle of embrace, chamfered tips, and smaller main air gap. It was decided that these improvements could not be considered separately but should come on together.… | ||
| img175 | Samples of 'Seekay' Wax from Imperial Chemical Industries Ltd. for potential dynamo use. | ||
| View original record | 16099. To Hs/Mr. West. OF MR. HL1/AG.23.3.35. Laboratory. We have obtained samples of "Seekay" Wax from Imperial Chemical Industries Ltd. in connection with a problem in which we are interested. It… | ||
| img176 | Readiness of a dynamo for a 20/25 HP Chassis test. | ||
| View original record | WST -6037 To Hs/Wst from Sg. re 20/25 HP Chassis Dynamos. Sg30/E25.3.35 Referring to E.6/HP.22.3.35 will you please go into the matter with Rm. and then let me know what the prospects are of your… | ||
| img177 | Failure of dynamos on 20/25HP tank engines. | ||
| View original record | WST L603? Ax/abm13/T25.3.35. RE. 20/25HP TANK ENGINE DYNAMOS. X/1441/HP22.3.35. We have looked through our correspondence and also made enquiries from Lewis, but except for the following information… | ||
| img178 | Test results for a modified 20/25 dynamo with increased field resistance and reduced pole core width. | ||
| View original record | (603) E. From Ha/Wst. c. to Ty. c. to Vor. Ha/Wst.9/MA.26.3.35. 20/25 DYNAMOS. With reference to E.G/HP.22.3.35., item (2) we have now carried out a test on a standard 20/25 dynamo with the pole cores… | ||
| img179 | Availability of a 20/25 chassis dynamo for a 10,000-mile test. | ||
| View original record | -/077. Sg. From Hs/Wst. c. to For. c. to E. c. to By. Hs/Wst.10/VV/A.20.3.35. Re. 20/25 CHASSIS DYNAMOS. Replying to your SG.30/E.25.3.35., we anticipate that there will be no difficulty in having a… | ||
| img180 | Standardizing chassis dynamos and starter motors for the 20/25 HP and Bentley models. | ||
| View original record | To K. from HS/Ra. c. to SG. c. to Mor. c. to By. c. to Hy/RD. (63) HS/Rm.2/KW.27.3.35. 20/25 HP. Chassis Dynamos. Cg.30/E.25.3.35. Now that this dynamo will be fitted to 21-G-IV for 10,000 miles test,… | ||
| img181 | Instructions for modifying and fitting a dynamo for a 10,000-mile test on vehicle 21.G.IV. | ||
| View original record | (L.2) RHC. From Ha/Wst. Ha/Wst.5/MA.27.3.35. DYNAMO FOR 21.G.IV. Will you please arrange to fit to 21.G.IV, for the 10,000 mile test with smaller road wheels, one of the two dynamos you are preparing… | ||
| img182 | Connection of the dynamo field and regulator, detailing the required modifications. | ||
| View original record | C. Hs/Wst. WST 6099. BY/RD1/W.2.4.35. CONNECTION OF DYNAMO FIELD AND REGULATOR. With reference to Hs/Wst10/MA.22.2.35, we have looked into this suggestion of putting the regulator on the positive… | ||
| img183 | Circuit diagram showing a regulator in the positive side of a shunt. | ||
| View original record | 1 2 TO BATT + C B CUTOUT E F A REGULATOR SHUNT DYNAMO EARTH DIAGRAM SHOWING REGULATOR IN THE POSITIVE SIDE OF SHUNT. | ||
| img184 | Instructions for building the armature for the 21.G.IV dynamo. | ||
| View original record | R.E.S. c. Hs/Wst. (6037) BY/RD5/W.3.4.35. DYNAMO FOR 21.G.IV. Will you please arrange for the armature for the above dynamo to be built up with :- D.54609. Stamping. 134 off. Stocks of this particular… | ||
| img185 | Test and mileage log for a C.A.V. type Small Shunt Dynamo. | ||
| View original record | File 38/25 dynamo SHEET No. 4 R. Reg. No. R.R. 1005 EXPERIMENTAL TESTING DEPT. EXPERIMENTAL DEPT. Small Shunt Dynamos (C.A.V. Type as fitted) | DATE | CAR NO | REMARKS | MILES RECORDED | MILES… | ||
| img186 | The fitting of reduced dynamos and batteries in a Bentley chassis. | ||
| View original record | Messrs c. Ha/Wst. --DR/HT-- γ6142. BY.1/S.10.4.35. REDUCED DYNAMOS AND BATTERIES FITTING IN BENTLEY CHASSIS. ... we think ... re-reading ... there ... is, keep ... do not large ... should be exter-… | ||
| img187 | Dynamo sparking issues, special armatures, and suitability for different driving conditions. | ||
| View original record | - 2 - BY.1/G.10.4.35. our scheme to be checked up on Bn's car, as we considered that he dealt with both sides of the case and if high speed was dangerous with the armature he would certainly… | ||
| img188 | Instruction request to make two further dynamo pulleys to drawing J.11762. | ||
| View original record | 60491 EJJ. From Ha/Wat. Ha/Wat.11/MA.11.4.35. Will you please instruct to be made for us two further dynamo pulleys to your drawing J.11762. Ha/Wat. | ||
| img189 | Visit to Perham Down Camp detailing issues and modifications for 20/25HP Meadows tank engines. | ||
| View original record | WST 6037 Re. 20/25HP TANK ENGINE MEADOWS. Referring to the visit of our Tester Lewis to Perham Down Camp - below we give you a copy of his report:- 24.4.35. "Referring to my visit to Perham Down Camp,… | ||
| img190 | Cold starting issues related to ignition, carburettor, and gearbox drag. | ||
| View original record | -2- MCS/VL.2.35. "be permanently engaged and to have the coil "ignition as a reserve. "I have received complaints of poor starting up "from cold, this was due to incorrect setting of "the controls -… | ||
| img191 | Blank or unreadable document page. | ||
| View original record | ", | ||
| img192 | Unreadable or blank document page with binder holes on the right. | ||
| View original record | ", | ||
| img193 | Recurring fault of a dynamo not charging due to an oil leak onto the commutator. | ||
| View original record | LC142 Hs/Wst. K/KC/DPB/17.5.35 We have returned to you under cover of our advice note No.4116, one dynamo removed from chassis No.B.53.CW. (Messrs. Pass & Joyce). The complaint is "Dynamo not… | ||
| img194 | Inquiry to Messrs. Baldwins, Ltd. about the availability of specific armature stampings. | ||
| View original record | 6099 Ha/Wst.6/MA. 20th May, 1935. Messrs. Baldwins, Ltd., Wilden Ironworks, STOURPORT. Dear Sirs, Will you please let us know if you have any armature stampings in stock or tools for the same 1.880"… | ||
| img195 | Letter from Baldwins Limited regarding available specifications for Armature Stampings. | ||
| View original record | -6099 Please address all communications for Midland Branch to Wilden, near Stourport. REGISTERED AND HEAD OFFICE: BALDWIN HOUSE, GREAT TRINITY LANE, E.C.4. CITY OFFICE: 67, QUEEN VICTORIA STREET,… | ||
| img196 | Dynamo fault on one Bentley and a contact breaker failure on another. | ||
| View original record | WST L6142 Hs/Wst. K/KC/DPB/22.5.35. Chassis No.B.178.CR. Owner - E.K.Cole. ------------------ We are returning to you under cover of our advice note No.4136, the dynamo removed from the 3 1/2-litre… | ||
| img197 | Report clarifying the events surrounding a contact breaker issue and a vehicle breakdown. | ||
| View original record | - 2 - With the fitting of the new contact breaker arm, Mr.Thompson was able to proceed to London without awaiting the arrival of the Works man. The car came into K yesterday, the 21st inst, for the… | ||
| img198 | The requirement for a ventilated dynamo for the Spectre model due to increased electrical load. | ||
| View original record | SECRET L6099 E. From Ha/Wat. c. to Hy. Ha/Wat.6/MA.23.5.35. SPECTRE VENTILATED DYNAMO. We are still without any experimental design instruction regarding the above and as the car will soon be… | ||
| img199 | Letter from Baldwins Limited responding to an enquiry about Armature Stampings, with a handwritten note confirming an order has been placed. | ||
| View original record | 6099 Please address all communications for Midland Branch to Wilden, near Stourport. REGISTERED AND HEAD OFFICE: BALDWIN HOUSE, GREAT TRINITY LANE, E.C.4. CITY OFFICE: 67, QUEEN VICTORIA STREET,… | ||
| img200 | Letter arranging for the fitting and testing of a fan-ventilated dynamo with instructions for adding an extra load. | ||
| View original record | C.W.Hancock, Esq., Hotel de France, Chateauroux, Indre, FRANCE. From Ha/Wat. Ha/Wat.3/MA.30.5.35. CH2. We are sending you out to day for fitting to 5.B.IV a fan ventilated dynamo. We are very keen on… | ||
| img201 | Letter confirming a previously placed order for a supply of stampings to Messrs. Baldwins, Ltd. | ||
| View original record | 36099 Ha/Wat.3/MA. 31st May, 1935. Messrs.Baldwins, Ltd., Midland Branch, Wiben Ironworks, Nr. STOURPORT. Dear Sirs, Referring to your letter of May 30th reference WST/JK. we have already placed an… | ||
| img202 | Internal request to order dynamo brushes for a Cadillac dynamo from the Delco-Remy Co. | ||
| View original record | Roy. From Ha/Wat. Ha/Wat.9/MA.20.6.35. CADILLAC DYNAMO. Will you please order for us to order No. 54325 from the Delco-Remy Co., 6 dynamo brushes suitable for their dynamo Model 933C Serial 889.… | ||
| img203 | Movement in Bentley dynamos after hard use, recommending a more rigid support. | ||
| View original record | F. From Ha/Wst. c. to By. 26/42 Ha/Wst.11/WA.20.6.35. BENTLEY DYNAMOS. The dynamos on all Bentley chassis we have examined after hard use have shewn evident signs of movement under the strap and on… | ||
| img204 | Request to fit a large fan-ventilated dynamo, made for 5.B.IV, to a car for extensive testing. | ||
| View original record | JL6142. RHC. From Ha/Wst. c. to Lp. Ha/Wst.4/MA.25.6.35. Will you please have the large fan ventilated dynamo which was made for 5.B.IV fitted to Lp's car by arrangement with Lp. We are anxious to get… | ||
| img205 | Request to fit a small fan-ventilated dynamo with standard poles and field winding. | ||
| View original record | Copy. RHC. From Ha/Wst. Ha/Wst.7/MA.26.6.35. SMALL FAN VENTILATED DYNAMO 1.S.F.I. Will you please have this small fan dynamo fitted with standard poles to D.54003 and field winding to suit as… | ||
| img206 | Request for the manufacture of a modified shaft and a commutator for a new battery ignition dynamo. | ||
| View original record | To RHC. From Ha/Wst. 6099 Ha/Wst./EJ.29.6.35. BATTERY IGNITION DYNAMO. Will you please have one shaft to Drawing D.3519 made for us with modifications to our Drawing EL.114. Also one commutator… | ||
| img207 | Experimental department report on the Spectre and Bentley fan ventilated dynamo. | ||
| View original record | Copia. EXPERIMENTAL DEPARTMENT REPORT. REFERENCE:- Hs/Tst.6/MA.3.7.35. Subject of Report:- Spectre and Bentley Fan Ventilated Dynamo. General Conclusions:- Considerable improvement over existing… | ||
| img208 | Improvements to the Bentley and IN CIRG type fan-ventilated dynamo. | ||
| View original record | Ha'/Jat.6/JA.3.7.35. BENTLEY AND IN CIRG TYPE FAN VENTILATED DYNAMO. During the last few months a considerable improvement has been achieved in dynamo output and performance by altering the dynamo… | ||
| img209 | Dynamo performance, suggesting improvements to reduce sparking and proposing its standardisation for Spectre and Bentley chassis. | ||
| View original record | -2- Hs/Tst.6/WA.3.7.35. Cont'd. In spite of the larger permissible output, we are confident that sparking at the brushes will be less, and commutation generally better, than with the standard machine.… | ||
| img210 | Experimental department report on a Spectre and Bentley Fan Ventilated Dynamo. | ||
| View original record | 41.2. EXPERIMENTAL DEPARTMENT REPORT. REFERENCE :- Ha/Wst.6/MA.3.7.35. Subject of Report:- Spectre and Bentley Fan Ventilated Dynamo. General Conclusions :- Considerable improvement over existing… | ||
| img211 | Technical memorandum on improvements to the Bentley and D.Ctre type fan-ventilated dynamo. | ||
| View original record | BENTLEY AND D.CTRE TYPE FAN VENTILATED DYNAMO. During the last few months a considerable improvement has been achieved in dynamo output and performance by altering the dynamo poles, reducing the… | ||
| img212 | Dynamo performance, sparking issues, and proposals for a new dynamo for standardisation. | ||
| View original record | -2- Ha/Tet.6/WK.3.7.35. Cont'd. In spite of the larger permissible output, we are confident that sparking at the Rushes will be less, and commutation generally better, than with the standard machine.… | ||
| img213 | Providing blueprints for 'Spectre' Dynamo Suspension parts D.75272 and D.75273. | ||
| View original record | c. Hs/Wst. WST 6049 BY/RD4/W.4.7.35. "Spectre". Dynamo Suspension, Sec.8110. LeC.4410. Please receive herewith blue prints of :- D.75272. Supporting Strap. D.75273. L.O.P. Dynamo Suspension. Will you… | ||
| img214 | List of blueprints for the 'Spectre' Dynamo parts. | ||
| View original record | c. Hs/Wst. 86142 BY/RD2/W.12.7.35. "Spectre" Dynamo. LeCs. 4406, 4410 and 4545. Please receive herewith blue prints of the following details for the dynamo, to the above LeCs. Sec. 8070. Dynamo… | ||
| img215 | Dynamo from chassis B-32-AH sent for observation and repair. | ||
| View original record | WST CAP 46142 c. to Hw/Wst. D/BP/WK11/OG16-7-35 Re: Chassis No. B-32-AH. ========================= We note from your written memo of the 27th ult. that the dynamo returned from 'K' Depot on the above… | ||
| img216 | Letter from a supplier detailing the specifications for enamelled and paper-covered wire. | ||
| View original record | Dynamos general 6099. Telegraphic Address: "POLIANITE, LONG EATON" Phone LONG EATON 249 (PTE BR EX) Codes A.B.C. 5th EDITION & WESTERN UNION. THE CONCORDIA ELECTRIC WIRE CO. LTD. CONTRACTORS TO THE… | ||
| img217 | Requesting the production of a new armature and commutator for a battery ignition dynamo. | ||
| View original record | RHC. From Ha/Wst. Ha/Wst.3/MA.12.8.35. BATTERY IGNITION DYNAMO. We have asked under cover of our Ha/Wst.2/WJ.29.6.35., for a new armature shaft and commutator to be produced for the above. Will you… | ||
| img218 | Specification sheet for enamelled and paper covered copper wire, detailing diameters and covering thickness. | ||
| View original record | CONTRACTORS TO THE ADMIRALTY, WAR OFFICE, AIR MINISTRY, POST OFFICE AND COLONIAL GOVERNMENTS THE CONCORDIA ELECTRIC WIRE CO. LTD. Electrical Wire and Cable Manufacturers LONDON OFFICE & STORES 97… | ||
| img219 | Request for the production of a new Spectre Dynamo with modifications to the magnet case and field winding. | ||
| View original record | To RHC. From Hs/Wst. 46142. Hs/Wst.15/WJ.14.8.35. SPECTRE DYNAMO. Will you please have one new dynamo produced for us complete to LO's. D.75267, 75270, 72244 and D.75275 with the exception of D.75274… | ||
| img220 | Correspondence regarding a faulty dynamo with a recurring knocking sound being returned for examination. | ||
| View original record | Y 6142. Hs/Wst. K/KC/DPB/19.8.35. We are returning to you under cover of our advice note No.4217, Dynamo No.0.S.BM, drawn from stock. It was intended to fit this to chassis No.B.178.CR, but on the… | ||
| img221 | Necessity of shortening the standard pole core for the Spectre Dynamo and attaching the relevant drawing. | ||
| View original record | 6142 To RHC. Hs/Wst.13/KW.21.8.35. Spectre Dynamo; Further to our Hs/Wst.15/MJ.14:8:35, we omitted to state that it will be necessary to shorten the standard pole core DB.984 .038" and we attach… | ||
| img222 | Drawing of a Dynamo Pole. | ||
| View original record | ROLLS-ROYCE, LTD PRINT ROOM AUG 20 19' SCALE 2/1 4.799 DIA. DYNAMO POLE FOR FURTHER DETAILS SEE DB 984 EL.172 | ||
| img223 | Causes and solutions for sparking and oil leakage on Bentley dynamos. | ||
| View original record | -/6142. K/KC. From Ha/Wst. c. to By. Ha/Wst.2/MA.23.8.35. SPARKING ON BENTLEY DYNAMOS. Referring to your K/KC/DPB.19.8.35., the trouble experienced on the dynamo you refer to is undoubtedly due to :-… | ||
| img224 | Investigation into a Bentley dynamo with a complaint that the armature was fouling and causing knocks. | ||
| View original record | 76142 F. From Ha/Wst. c. to By. c. to K/KC. c. to Bd/SB. Ha/Wst.3/MA.23.8.35. BENTLEY DYNAMOS. We have had for investigation a dynamo No.0.8.BM returned from K. with the complaint that the armature… | ||
| img225 | Request for a new dynamo motor pulley, Texcrope drives, and a sheet metal belt guard. | ||
| View original record | J6099 EJJ. From Hs/Wst. Hs/Wst.6/MA.7.9.35. DYNAMO MOTOR PULLEY. Will you please have a new pulley made for one of our Dynamo driving motors 12" diameter to enable us to run a small dynamo at 12,000… | ||
| img226 | Inquiry about supplying a higher output 70-ampere dynamo for a car experiencing battery drain from extensive night driving. | ||
| View original record | R.R.LTD.DERBY.Hs/Rm WST 26142. Showrooms (Sr is absent) EWFI3/NLG.12.9.35 Re- 70-2S-Dynamo output This car is fitted with a dynamo and standard capacity battery but the owner does a tremendous lot of… | ||
| img227 | Unfeasibility of a 70 amp dynamo and proposing a 30 amp alternative with necessary modifications. | ||
| View original record | EWP. (Paris) 6142 Ha/Wat.9/MA.17.9.35. Re. 70 M S DYNAMO OUTPUT. We think there must be some mistake regarding the above as a dynamo delivering 70 amps is beyond our "wildest dreams". An output of 30… | ||
| img228 | Correcting a typing error from 70 amps to 17 amps regarding a dynamo for Chassis 70-MS-r. | ||
| View original record | Rolls-Royce Ltd. Derby...........Hs. WST 86142, Showrooms Sr/EWPI/LLG.21.9.35 Re- Chassis 70-MS-r. Lang --------------------------------- We thank you for Hs/Wat.9/KA.17.9.35 and quite agree with your… | ||
| img229 | List of parts and modifications for a dynamo, dynamo drive, and revolution counter drive for the Large Bore Bentley engine. | ||
| View original record | C. Hs/Wst. WST r6142. BY/RD2/W.26.9.35 LARGE BORE BENTLEY. DYNAMO.DYNAMO DRIVE AND REVOLUTION COUNTER DRIVE. Loc.s 4686 and 4708. Please receive herewith blue prints and information to enable dynamos… | ||
| img230 | Issue of blueprints (L.O.P.s) for Dynamo and Drive components for the Large Bore Bentley. | ||
| View original record | C. Hs/Wst. 46142. BY/RD3/W.2.10.35. LARGE BORE BENTLEY. Dynamo, Dynamo Drive and Revolution Counter Drive. LsC.s 4686 and 4708. Further to our memo BY/RD2/W.26.9.35, we now hand you blue prints of the… | ||
| img231 | Request to arrange for the examination of a ventilated dynamo removed from engine 21.G.IV. | ||
| View original record | 6142 RHO. From Hs/Wst. Hs/Wst.10/MA.3.10.35. Will you please arrange to let us have for examination the ventilated dynamo which was fitted to the engine removed from 21.G.IV. Hs/Wst. | ||
| img232 | Improved dynamo-battery automatic cutout, noting considerable improvements with minor modifications still required. | ||
| View original record | EXPERIMENTAL DEPARTMENT REPORT. Coda REFERENCE:- Hs/Wat.10/MA.7.10.35. Subject of Report:- Improved dynamo-battery automatic cutout to R.R.Sch.845. General Conclusions :- Considerable improvement over… | ||
| img233 | Continued parts list with part numbers, descriptions, and quantities. | ||
| View original record | BY/RD2/W.26.9.35. (Cont'd.) - 2 - D.54543. Gauze for End Cover. 2 off. D.54544. -do- 1 off. E.74586. Rivet. 16 off. D.73560. C'sk.Screw. 6 off. D.54595. Cover,Bearing Bracket. 1 off. D.54597. Stud. 2… | ||
| img234 | The investigation and testing of a new dynamo battery automatic cut-out switch. | ||
| View original record | He/Mt.19/MA.7.10.35. NEW DYNAMO BATTERY AUTOMATIC CUT-OUT SWITCH TO R.R.SCH.845. It has been observed that with our new voltage regulated system the operation of the existing cut-out is very uncertain… | ||
| img235 | The investigation of volt-drop in an experimental cutout unit compared to a standard model. | ||
| View original record | -2- He/Wat.10/WA.7.10.15. Cont'd. From these results it is seen that, not only is the tractive force greatly increased, but the circuit is still not fully saturated at maximum excitation. With the… | ||
| img236 | List of conclusions and suggestions following a series of tests on electrical or electro-mechanical components. | ||
| View original record | -3- Hs/Wat.10/MA.7.10.35. Cont'd. Conclusions. As a final result of the tests carried out, the following suggestions are made :- (1) The spring, carrying the moving contacts, be made of a lighter… | ||
| img237 | Providing blueprints for Dynamo and Revolution Counter Drive components for a Large Bore Bentley. | ||
| View original record | 1642 C. E. /Wat. BY/RD4/W.9.10.35. LARGE BORE BENTLEY. Dynamo, Dynamo Drive and Revolution Counter Drive. LeC.s 4686 and 4708. Please receive herewith blue prints of :- DB.1092. Armature Shaft.… | ||
| img238 | Requesting the fitting of dynamo No. 43F1 to 21.G.IV. | ||
| View original record | RHC. From Hs/Wst. 16142. Ha/Wst.5/MA.21.10.35. Will you please have fitted to 21.G.IV dynamo No.43F1 now in the laboratory. Hs/Wst. | ||
| img239 | Request to have a commutator skimmed on a dynamo removed from car B.23AE. | ||
| View original record | Hs/Std. 86142 RHC: From Hs/Wst. Hs/Wst.8/MA.25.10.35. Will you please have the commutator skimmed on the dynamo removed from B.23AE. This dynamo should then be refitted to the car. Hs/Wst. | ||
| img240 | Modifications to an improved Dynamo Battery Automatic Cutout. | ||
| View original record | CAP Please note & return V.6999. WTT Hs/Wst. from E. c. Sg. Wor. Her. By. Mc. (Struck out) Ey/PD (Struck out) E.3/HP.25.10.35. Improved Dynamo Battery Automatic Cutout to RR. Sch.845. Referring to… | ||
| img241 | The difficulty of adding extra turns to series winding and an investigation into a reverse current issue. | ||
| View original record | - sheet 2 - E.3/HP.25.10.35. (5) With regard to extra turns on the series winding, this is rather difficult as it involves increasing the height of the whole unit, and then it will not go into the… | ||
| img242 | Request to have two dynamos overhauled (one from vehicle 21.G.IV, one from a bench test) and the commutator skimmed. | ||
| View original record | RHC. From Hs/Wst. 86142. Hs/Wst.12/WA.1.11.35. Will you please have dynamo No.3SF1 ex 21.G.IV and No.1.SF1 ex Bench test overhauled and the commutator skimmed. Hs/Wst. | ||
| img243 | Requesting the urgent alteration of a high-speed dynamo rig to fit the new Phantom III dynamo. | ||
| View original record | EJJ. From Ha/Wst. 16099 Ha/Wst.9/MA.6.11.35. Re. DYNAMO RIGS. You have already altered for us one of our low speed dynamo rigs to take the new type of Phantom III dynamo fitted with a fan and three… | ||
| img244 | Ignition coil and dynamo failures on a large bore Bentley engine during endurance tests. | ||
| View original record | To E. From Hs/Wst. C. to Ey. 142. Hs/Wst.10/MJ.8.11.35. FAILURES OF IGNITION COILS AND DYNANOS ON LARGE BORE BENTLEY ENGINE. During endurance tests now being carried out at high speeds on a large bore… | ||
| img245 | Dynamo failure on a large bore Bentley due to road dust and excessive brush wear. | ||
| View original record | E. From Hs/Wst. c. to By. Ha/Wst.5/MA.12.11.35. ROAD DUST IN VENTILATED DYNAMOS. The dynamo on the large bore Bentley now running in France has failed due to excessive brush wear and we think that… | ||
| img246 | Confirming an arrangement to alter a dynamo rig to accommodate a new dynamo for testing. | ||
| View original record | Sft/Mr.Peskett. 16099 Hs/Wst.4/MA.12.11.35. We wish to confirm arrangements made between your man and Mr.Peskett that you will alter the spider on our dynamo rig to accommodate the new dynamo we wish… | ||
| img247 | Query regarding the condition of a flexible coupling on a dynamo fitted to a Phantom III chassis. | ||
| View original record | G.W.Hanock, Esq., Hotel de France, Chateauroux, Indre, FRANCE. From Ha/Wat. 6/42 Ha/Wat.11/MA.18.11.35. We should be glad if you will kindly let us know the state of the flexible coupling on the… | ||
| img248 | Dynamo modification on Chassis No. 36-DC for a customer named Kenyon. | ||
| View original record | W/H. to D/BP. c. to Hs/Wst. WST L6142 H4/CM30/IB.25.11.35. re Chassis No. 36-DC. Kenyon. We note the remarks contained in your Br/G26/G.21.11.35. The dynamo taken from this chassis had the poles… | ||
| img249 | Costly modifications to improve the output of a dynamo for chassis No. 36-DC. | ||
| View original record | ✓6142 Ho. From Ha/Wat. c. to E/BP. c. to W. Ha/Wat.7/MA.28.11.35. Re. DYNAMO FOR CHASSIS NO.36-DC. Kenyon. Replying to your Hd/CM.30/IB.25.11.35., we have examined the dynamo in question and find that… | ||
| img250 | Letter requesting a meeting with C.A.V. - Bosch Ltd. to discuss ventilated dynamos for Bentley chassis. | ||
| View original record | ✓ Letter 2 Hs/Wst.8/MA. 30th November, 1935. Messrs. C.A.V. - Bosch, Ltd., Acton, London, W.1. Dear Sirs, The undersigned would like to visit you on either Thursday or Friday this week to discuss… | ||
| img251 | Letter from C.A.V-BOSCH regarding their inability to supply ventilated dynamos for a Bentley chassis, recommending J. Lucas of Birmingham instead. | ||
| View original record | CONTRACTORS TO THE ADMIRALTY WAR OFFICE, AIR MINISTRY INDIA OFFICE, G.P.O. AND LEADING RAILWAYS CODE 6TH EDITION A.B.C. 5 LETTER COMMERCIAL VEHICLE, MARINE & AIRCRAFT ELECTRICAL EQUIPMENT FUEL… | ||
| img252 | Suggested alterations to the dynamo for chassis 35-DC, requesting details and pricing. | ||
| View original record | ~L142. Wt. C. to Hs/Wst. D/BP/Bm16/DH.3.12.35. Re: Chassis No. 35-DC WST With reference to Hd/CM30/IB.25.11.35. and Hs/Wst7/MA.28.11.35. we have now been asked by 'N' Dept. if we can give them some… | ||
| img253 | Request to send a small fan-ventilated R.R. dynamo with a tachometer drive to Messrs. Joseph Lucas Ltd. on loan. | ||
| View original record | L642. G/MT. From Ha/Wat. c. to D/B. Ha/Wat.2/MA.5.12.35. Will you please send to Messrs.Joseph Lucas, Ltd., marked for the personal attention of their Mr.Cowley one small fan ventilated R.R.dynamo… | ||
| img254 | Letter to Joseph Lucas, Ltd. regarding a small fan ventilated dynamo for a Bentley chassis. | ||
| View original record | Flow - 2 Hw/Wst.1/MA. 5th December, 1935. Messrs.Joseph Lucas, Ltd., Great King Street, BIRMINGHAM, 19. For the attention of Mr.Cowley. Dear Sir, In accordance with our telephone conversation we are… | ||
| img255 | Request to have the dynamo on the single cylinder test house overhauled as it is giving trouble. | ||
| View original record | RHC. From Hs/Wat. 3099. Hs/Wat.6/MA.5.12.35. Will you please have the dynamo on the single cylinder test house overhauled as it is giving trouble. Hs/Wat. | ||
| img256 | Discharged battery and potential starter issue for chassis B.136.AH. | ||
| View original record | Hs/Wst. o to Hd/SB. WST 6142. K/KC/DPB/7.12.35. Chassis No.B.136.AH. W.Miesegaes. (Dex Autos.) ------------------- Discharged Battery. ------------------- The above 3 1/2-litre was at K on the… | ||
| img257 | Letter from Joseph Lucas Ltd. regarding a dynamo fitted to a Bentley chassis. | ||
| View original record | HEAD OFFICES & WORKS: GREAT KING ST., BIRMINGHAM. CONTRACTORS TO THE ADMIRALTY, WAR OFFICE, AIR MINISTRY, POST OFFICE, G.P.O. AND LEADING RAILWAYS. JOSEPH LUCAS LIMITED GREAT KING STREET BIRMINGHAM 19… | ||
| img258 | Recommendation to supply a new geared starter motor and trickle charger for Chassis B.136-AH due to starting difficulties. | ||
| View original record | YLAI 42 K/KC. From Ha/Wst. c. to Hd/SB. Ha/Wst.6/MA.10.12.35. Re. Chassis No. B.136-AH. Replying to your K/KC/DPB.7.12.35., it is quite evident that this customer is expecting too much from his… | ||
| img259 | Modifications and parts list for the dynamo on the 25/29 HP Chassis. | ||
| View original record | C. Hs/Wst. WST BY/RDL/W.13.12.35. SLM 2 25/29 H.P.Chassis. DYNAMO.R.R.SCH.888. The dynamo for the above chassis is to be identical with the Bentley dynamo except that there will be no rev. counter… | ||
| img260 | Index page listing sections for electrical components and their corresponding document numbers. | ||
| View original record | BY/RD1/W.13.12.35. (Contd:- - 2 - Sec.8070. Armature. L.O.P. D.54763. Sec.8080. Bearing Brackets.etc. L.O.P. D.54768. Sec.8090. Commutator. L.O.P. D.54093. Sec.8100. Frame and Field Winding. L.O.P.… | ||
| img261 | Request to have dynamo No.G.7.T repaired by resoldering the commutator and fitting new brushes and bearings. | ||
| View original record | RHC. From Ha/Wst. 6142 Ha/Wst.7/MA.14.12.35. Will you please have dynamo No.G.7.T repaired for us by resoldering the commutator, fitting new brushes and new bearings. Ha/Wst. | ||
| img262 | Cover letter for the production inspection and test specification for the Phantom III dynamo. | ||
| View original record | Ltr - 2. Py. From Hs/Wat. C. to Sft/Mr.Brock. Hs/Wat.4/WM.10.1.36. PHANTOM III DYNAMO. We attach herewith production specification of inspection and test for the above dynamo. Hs/Wat. | ||
| img263 | Specification for the inspection and testing of a large shunt dynamo. | ||
| View original record | SPECIFICATION OF INSPECTION AND TESTS, OF LARGE SHUNT DYNAMO. Type Armature :- 24 slot, 16 conductors, 18 S.W.G. Poles :- Chamfer 15° Air gap .015" - .100" Brush angle :- 15° Weight - 29.75 lbs.… | ||
| img264 | Instructions for testing springs, brushes, and the insulation resistance of a machine. | ||
| View original record | -2- Test the springs for cracks, by forcing these back as far as possible, when they should not become cracked. Note (1) It is possible that a spring which is noticeably weak is cracked and requires… | ||
| img265 | Procedure for the main bedding of dynamo brushes. | ||
| View original record | -3- (3) Main bedding of brushes. The dynamo shall now, be run on load care being taken to ensure that sufficient resistance is inserted in the field circuit to limit the output and sparking at high… | ||
| img266 | Test procedure for a dynamo, detailing final bedding of brushes, load testing, and noise checks. | ||
| View original record | -4- (4) Final bedding of brushes. With end cover removed and field resistance short circuited, the dynamo shall now be run on load for 3 1/2 hours at an output of 20.0 + .5 amperes at 13.0 volt. This… | ||
| img267 | Inspection and testing procedures for an electrical machine, possibly a dynamo. | ||
| View original record | -5- (9) Examine also for rubbing armature, slack bearings, cracked insulation and final condition of commutator and brush surfaces, and see also that with the dynamo hot the end cover can be easily… | ||
| img268 | Meeting notes regarding the design and testing of a new dynamo armature and brush gear. | ||
| View original record | WST see me 8642 Hs/Wst. BY/RD. C. Ker. Ho. By. E.2/HP.16.1.36. Recording decisions taken at meeting of E. Hs/Wst, and BY/RD on 16.1.36, as a result of inspecting the ventilated dynamo from chassis… | ||
| img269 | Determining the loading and speed limits of a Bentley dynamo and investigating oiling issues. | ||
| View original record | (sheet 2) E.2/HP.16.1.36. The loading and speed should be determined by trial as it is known that this machine would not stand up to the maximum possible load of 18 amperes at high speeds on the… | ||
| img270 | Stiffened dynamo end bracket to prevent vibration on the 25/30 HP chassis. | ||
| View original record | C. Hs/Wst. WST 56142. BY/RD1/W.20.1.36. 25/30 H.P. Chassis. Dynamo. Stiffened End Bracket to Prevent Vibration. Will you please put in hand a Magnet Case to drwg. D.54799. This can quite easily be… | ||
| img271 | Investigation into the difficulty of improving the dynamo armature for a Phantom III. | ||
| View original record | 86142 E. Hs/Wst. BY/RDS/W.21.1.36. "PHANTOM III". DYNAMO ARMATURE. Referring to the discussion and inspection of the ventilated dynamo from Chassis 31.EX and the new proposed armature recorded in… | ||
| img272 | Proposal to modify a Phantom III dynamo bearing bracket to increase airflow. | ||
| View original record | c. Hs/Wst. BY/RD3/W.22.1.36. "PHANTOM III" DYNAMO. BEARING BRACKETS.SECTION 8080. To enable more air to be passed through the dynamo we propose that an existing Bearing Bracket, D.75268DC. could be… | ||
| img273 | Proposal for an experimental test on a Phantom III dynamo armature with enamelled and paper-covered wire. | ||
| View original record | 56142 c. Hs/Wst. BY/RD1/W.27.1.36. 'PHANTOM III'. DYNAMO ARMATURE. Further to our memo BY/RD3/W.21.1.36, we propose to instruct a test on a dynamo having enamelled and paper covered wire on the field… | ||
| img274 | Instruction to modify the third high-speed dynamo test rig in the Electrical Laboratory. | ||
| View original record | F.J.J. From Ha/Wst. ~6099. Ha/Wst.2/MA.28.1.36. HIGH SPEED DYNAMO TEST RIGS. We should be pleased if you would instruct the modifications to be made, to the third, and last, of the above test rigs, in… | ||
| img275 | Cost comparison for manufacturing different dynamo strap types. | ||
| View original record | PRIVATE v6'-2 WST See me Sft/ W.1/DB.3.2.36. COST REDUCTIONS. 25/30 HP. & BENTLEY DYNAMO LUSTRES L.EC.4941. In reply to S/Lic.2/HP.31.1.36. regarding the above, we have estimated the cost of… | ||
| img276 | Tests conducted on a Bentley dynamo to determine the extent of oil leakage from the tachometer drive. | ||
| View original record | To E. c. to By. HS/Wst.1/JH.13.2.36. Leakage of Oil from Tachometer Drive. We have carried out your suggested tests on a Bentley dynamo to determine the extent of oil leakage, if any, from the… | ||
| img277 | Fluctuating lights caused by an erratic voltage regulator unit. | ||
| View original record | RIC/JP. copy. 12th Feb. 1936. To: MR. W.S. VERRELLS. MANAGING DIRECTOR. From: MR. R.I. COWLEY. CAR RADIO ENGINEER. RE: 40/50 Rolls-Royce electrical equipment. In view of the visible fluctuation of the… | ||
| img278 | Customer complaint letter detailing recurring faults with a car, including erratic charging and a seizing brake bush. | ||
| View original record | COPY. E.K.COLE. LTD. EKCO WORKS. SOUTHEND ON SEA. 18th February, 1936. Messrs. Rolls-Royce, Ltd. Dear Sirs, I hardly know how to reply to your letter of the 7th inst. because since writing you my… | ||
| img279 | Complaint case memo regarding ongoing issues with Mr. Verrells' car, specifically a sticky brake and erratic dynamo charging. | ||
| View original record | WST 6142 S/W. (Hs/Wst.) c.c. to Mr. W. COMPLAINT CASE. 163-TA. VERRELLS. H7/H20.2.36. We have been having for some months, very great difficulty in satisfying the above owner, (who is Managing… | ||
| img280 | Letter discussing a faulty regulator and suggesting communication with E.K. Cole Ltd. and Mr. Verrells. | ||
| View original record | -2- You may decide that the regulator is out of order, and wish to change it, but it seems advisable to thrash out once for all with E.K.Cole Ltd., the electrical position. We hope you will write to… | ||
| img281 | Letter to a customer regarding stiffness in the brake mechanism and an incorrectly fitted wireless set on car 163-TA. | ||
| View original record | H12/HRO226 20th February, 1936. W. S. Verrells, Esq., Messrs. E.K.Cole, Ltd. Ekco Works, Southend-on-Sea. Dear Sir, RE: YOUR ROLLS-ROYCE CAR NO. 163-TA. With reference to our letter of yesterday in… | ||
| img282 | Concluding page of a letter concerning a potentially faulty voltage regulator. | ||
| View original record | -2- possible and to change the voltage regulator if they agree that it is in any way faulty. Trusting this will be satisfactory to you, We are, dear Sir, yours faithfully, for Rolls-Royce, Ltd., | ||
| img283 | Request for parts and modifications to test a revised oil retaining scheme on a Bentley Dynamo. | ||
| View original record | C. Hs/Wst. W.ST 6142 BY/RDS/W.21.2.36. BENTLEY DYNAMO. Revised Oil Retainer, Comm.End. R.R.Sch.909. Will you please put in hand :- DB.1180. Retaining Plate. 1 off. DB.1181. Washer. 1 off. Will you… | ||
| img284 | Examination and required repairs for a Dynamo LVX from car 31-EX. | ||
| View original record | To RHC. ~6142. Hs/Wst.14/JH.22.1.36. Dynamo off 31-EX. The examination of dynamo LVX, which was removed from 31-EX, on its return from France, has now been completed. Before being refitted to a car,… | ||
| img285 | Modifications to battery ignition dynamos for Exe, Vulture, Merlin and Kestrel engines. | ||
| View original record | Es. and H/Bm c.-By Hw/Wst. By/RD. WST 86099. E.3/HP.22.2.36. re Battery Ignition Dynamos With reference to the ignition dynamos that will be used on the Exe engine, and Vulture, we now find as a… | ||
| img286 | Letter regarding a dynamo charge system fault on a Phantom II car, discussing regulator issues and noise suppression methods. | ||
| View original record | c. to H. c. to Hd/SB. c. to N. 86142 HA/Wat.l/WA. 24th February, 1936. Mr. W.S. Verralls, Messrs. E.K. Cole, Ltd., Ekco Works, SOUTHEND-ON-SEA. Dear Mr. Verralls, Our Service Dept., has informed me of… | ||
| img287 | Recommendations to resolve an electrical issue by replacing the voltage regulator and examining the dynamo circuit. | ||
| View original record | -2- We therefore recommend that you allow us to change the voltage regulator for a new one and also skim the dynamo commutator and re-bed the brushes as the erratic operation of the regulator may have… | ||
| img288 | Parts required for a stiffened dynamo end bracket on a 25/30 HP Chassis. | ||
| View original record | C. Hs/Wst. BY/RD5/W.5.3.36. 25/30 H.P. Chassis. Dynamo : Stiffened End Bracket. Will you please put in hand the following parts for use with the stiffened end bracket issued in our memo… | ||
| img289 | Oil getting onto the commutator and brush gear of the ventilated type dynamo on 4¼ litre Bentley chassis. | ||
| View original record | To: [Illegible] From: Ex. 4¼ litre Bentley Dynamos. We find on chassis ex test that there is a considerable amount of oil getting on to the Commutator and brush gear on the ventilated type dynamo.… | ||
| img290 | Requesting the overhaul of a large shunt dynamo (No. 2, S.) removed from a car. | ||
| View original record | To RHC. 86142 HS/CAP.S/JH.16.3.36. Large Shunt Dynamo No. 2, S. The above dynamo has been removed from a car and needs overhauling; including skimming of the commutator, and possibly new bearings.… | ||
| img291 | Parts list for testing a 'Phantom III' Dynamo under R.R. Scheme 911. | ||
| View original record | MHC. C. G. c. Hs/Wst. 76142 BY/RD3/W.20.3.36. "Phantom III" Dynamo. R.R.Scheme 911. Will you please put in hand the following dynamo for test, to the following Part Lists :- Sec.8070. Armature. L.O.P.… | ||
| img292 | Parts list for Bearing Brackets and information on dynamo provisions. | ||
| View original record | BY/RDS/W.20.3.36. (Contd:- - 2 - Sec.8080. Bearing Brackets.Contd:- D.75474. Comm.Brush. 2 off. D.75475. Cover Plate. 2 off. D.75476. Spring. 2 off. D.75477. Pivot Pin. 2 off. D.75478. Spring Pin. 2… | ||
| img293 | Cover letter for blueprints of a 'Phantom III' Dynamo Armature with 36 slots. | ||
| View original record | C. Hs/Wst. WST v642 BY/RD6/w.27.3.36. 'Phantom III' Dynamo Armature. - 36 slots - We hand you herewith blue prints of :- D.75511. Armature Coil. D.75512. Armature Winding Diagram. for your information… | ||
| img294 | Request for an adaptor to enable the use of both old and new type dynamos on modified test rigs. | ||
| View original record | To EJJ. √6099. HS/Wst.2/JH. 2.4.36. Experimental Dynamo Test Rigs. Our dynamo test rigs have recently been modified to make them suitable for the new type of dynamo, having the three point rubber… | ||
| img295 | Blueprints for Dynamo Suspension parts for the 25/30 HP Bentley and Wraith II. | ||
| View original record | --RHO.-- --C.-- c. Hs/Wst. WST v6142 BY/RD1/W.6.4.36. 25/30 H.P. Bentley and Wraith II. L.C. 4941. DYNAMO SUSPENSION. SEC. 8110. Please receive herewith blue prints of details made from the above :-… | ||
| img296 | Confirming a successful test on a modified dynamo for the 20/25 model to eliminate noise. | ||
| View original record | To Hy. C. to Mx. Ha/Wst.16/JH. 8.4.36. Noisy 20/25 Dynamos. We have now tested out an up-to-date dynamo fitted with a stiffened end bracket to drawing D.54798 using magnet case D.54799 and plugs for… | ||
| img297 | Instructions for fitting vellumoid paper washers to a Bentley Dynamo Oil Retainer to ensure oil-tight joints. | ||
| View original record | 26/2. To RHC. Hs/Wst.3/JH.15.4.36. Bentley Dynamo Oil Retainer. R.R. Scheme 909. In connection with the above scheme, will you please add to the instructions given in DY/RD.3/W.21.2.36. further… | ||
| img298 | Requesting the overhaul of a failed dynamo from test bed 2 C. | ||
| View original record | 86142 To RHC. HS/Wst.2/JH. 25.3.36. Test Bed Dynamo. The dynamo on test bed 2 C has failed. Will you please have it removed and overhauled. It will be necessary to fit new brushes and clean the brush… | ||
| img299 | The protection of a ventilated dynamo from petrol spillage from the Stromberg carburetter. | ||
| View original record | c. to WSt. V60099 HS/Rm.3/EW.27.1.36. Stromberg Carburetter and Ventilated Dynamo. Mx. points out that if any adjustment has to be made to the Stromberg carburetter, petrol will inevitably fall on the… | ||
| img300 | Instructions for fitting a safeguard shield for the carburetter and a new louvred cover for the dynamo. | ||
| View original record | 26099 H.S. C. By Mr. HS/st. [Redacted] E.3/HP.2.5.36. Stromberg Carburetter and Ventilated Dynamo. With reference to the question of fitting a shield to act as a safeguard during carburetter… | ||
| img301 | Comparative heating tests on a ventilated dynamo. | ||
| View original record | To E. c. to By. c. to MX. c. to Da. c. to Jnr. 86099 Hs/Wst.11/JH.5.5.36. Stromberg Carburetter and Ventilated Dynamo With reference to Hs/Rn.3/KW.27.4.36. and E.3/HP.2.5.36. we have now completed… | ||
| img302 | Requesting the removal and overhaul of a dynamo on Car B-35-AE due to sticking brushes. | ||
| View original record | To RHC. 86142 Hs/Wst. 20/JH. 21.5.36. Dynamo on Car B-35-AE The dynamo on this car has several times caused trouble through the brushes sticking in their holders. Cleaning the brushes and holders,… | ||
| img303 | Requesting the overhaul of dynamo No. A.M. 55 after completing a 150-hour endurance test. | ||
| View original record | To RHC. 8/L. No2. HS/Wst.4/JH.16.6.36. Regulator Test-Rig Dynamo. Gentle B.T.H dynamo No. A.M. 55 has now completed 150 hrs. running on a bench endurance test, and needs overhauling in preparation for… | ||
| img304 | Experimental department report on the prevention of oil leakage on a Bentley dynamo commutator. | ||
| View original record | EXPERIMENTAL DEPARTMENT REPORT. -6142- REFERENCE :- Ha/Mat.3/MA.17.6.36. Subject of Report :- Prevention of oil leakage on to commutator of Bentley dynamo. General Conclusion :- Vellumoid paper… | ||
| img305 | Investigation into oil leakage onto the commutator of a Bentley dynamo and subsequent tests on a modified unit. | ||
| View original record | Hs/Wat.3/WA.17.6.36. PREVENTION OF OIL LEAKAGE ON TO COMMUTATOR OF BENTLEY DYNAMO. From earlier investigations, in connection with oil getting on to the commutator, and bush gear, of the larger… | ||
| img306 | Test report summary detailing observations on oil leakage from joints, washers, seals, and the condition of brushes. | ||
| View original record | -2- Ha/Wat./VNA.17.6.36. Cont'd. During the test there was no leakage from the 'vellumoid' packed joints; these appearing to serve their purpose well. At the end of the test, the commutator was found… | ||
| img307 | Letter to H.F. Hamilton in France requesting more information regarding a dynamo failure on vehicle 32-EX. | ||
| View original record | H. F. Hamilton, Hotel de France, Chateauroux, Indre, France. Hs/Wst.18/JH. 23.6.36. Re Dynamo Failure on 32-EX. With reference to your note of the 19th instant, re the above, we should be glad if you… | ||
| img308 | Dynamo failure on a Paris Bentley Trials car B-60-GA due to lack of clearance. | ||
| View original record | To Mr. [redacted] C. to Hs/Wst. 16142. Levallois. July 9th, 1936. A failure of a Dynamo has occurred on the Paris Bentley Trials car B-60-GA after 8,800 miles. The failure was caused by lack of… | ||
| img309 | Blueprint of a Dynamo's ventilator end from a Bentley, detailing a short circuit failure. | ||
| View original record | VENTILATOR END OF DYNAMO. BENTLEY (B-60-GA) 9-7-36 8,830 MILES. CASTING STANDING PROUD. END OF ARMATURE WINDINGS FOULED AND BARED ONE COIL CAUSING A SHORT CIRCUIT. | ||
| img310 | Modification scheme for a dynamo end cover on a 25/30 HP chassis to prevent petrol ingress from the carburetter. | ||
| View original record | COPY. (3.11.36). 6142 c. Rm/Wst. BY/RD.1/B.27.6.36. 25/30 HP. CHASSIS : DYNAMO. Modified End Cover to Prevent Ingress of Petrol from Carburetter. Please receive herewith, blue prints of details made… | ||
| img311 | Directive regarding a modified dynamo end cover for the 25/30 HP chassis to prevent petrol ingress from the carburetter. | ||
| View original record | c. Hs/Wst. 86142. BY/RD.1/B. 27.6.36. 25/30 H.P. Chassis. - Dynamo. Modified End Cover to Prevent Ingress of Petrol from Carburetter. Please receive herewith, blue prints of details made from the… | ||
| img312 | Request for necessary repairs to a dynamo before fitting it to car 18-G-IV. | ||
| View original record | To RHC. JUN2 Hs/Wst.2/JH.29.6.36. Dynamo for Car 18-G-IV. We wish to fit dynamo C.24.X on 18-G-IV, but before this can be done, some necessary repairs to the machine must be carried out. Will you,… | ||
| img313 | Letter from Bosch detailing prices for lighting and starting system components. | ||
| View original record | 86099. TELEPHONE: SHEPHERDS BUSH 2080 (4 LINES) BOSCH LIMITED TELEGRAMS: ELECBRIGHT, PHONE, LONDON MAGNETOS, DYNAMOS, ELECTRIC STARTERS, SPARKING PLUGS, BICYCLE LIGHTING SETS, WINDSCREEN WIPERS. SOLE… | ||
| img314 | Letter from Bosch Limited seeking clarification on Dynamo specifications for an order. | ||
| View original record | BOSCH LIMITED. -2- 6th August, 1936. Messrs. Rolls-Royce Ltd. -------------------------- we could send you a separate quotation. Should you favour us with your esteemed order, please state whether the… | ||
| img315 | Request to build a second armature for an Experimental Phantom III Dynamo with modified specifications. | ||
| View original record | To RHC. 7614^2 Ha/Wst.2/JH.17.8.36. EXPERIMENTAL PHANTOM III DYNAMO WITH 72 COIL ARMATURE. In connection with our experiments on the above machine, will you please arrange for a second armature to be… | ||
| img316 | Blueprint R.R.Sch.972 for a revised Oil Plug and Oil Level Gauge for the Bentley Dynamo Tachometer Drive. | ||
| View original record | c. Hs/Wst. 86142. BY/RD.3/B.1.9.36. Bentley Dynamo. We hand you herewith, blue print of R.R.Sch.972, showing the revised Oil Plug and Oil Level Gauge for the Tachometer Drive on the above Dynamo. This… | ||
| img317 | Cover letter for the production specification of inspection and tests for the Dynamo on Bentley and 25/30 HP Chassis. | ||
| View original record | To By. c. to Sft/Mr. Brock. r6142. HS/Wst.12/JH. 24.9.36. We attach herewith production specification of Inspection & Tests for the Dynamo used on the Bentley and 25/30 H.P. Chassis. HS/Wst. | ||
| img318 | Inspection and testing procedures for a small shunt dynamo. | ||
| View original record | SPECIFICATION NO. FL.158. INSPECTION AND TESTS OF SMALL SHUNT DYNAMO. Fan machine with rubber buffer drive. Type :- Armature :- 24 slot, 12 conductors, 17 S.W.G. Poles :- Chamfer 15º Air gap .020" -… | ||
| img319 | Instructions and notes on dynamo maintenance, focusing on springs, brushes, and running tests. | ||
| View original record | -2- Note (1) It is possible that a spring which is irredeemably weak is cracked and requires replacing. Note (2) It will usually be found that a spring which is in good order has a uniformly expanding… | ||
| img320 | Instructions for final bedding of brushes and running tests on a dynamo. | ||
| View original record | -3- This should continue until the brushes are reasonably well bedded over the whole surface. Particular notice should be taken of any undue brush notice which may develop on this test. On any brush… | ||
| img321 | Test procedures for a dynamo, including open circuit, load, and insulation checks. | ||
| View original record | -4- (6) With the dynamo still in the same hot condition it should be verified that running on open circuit it shows a voltage of 16.0 at not more than 940 R.P.M. (7) The dynamo shall again be run on… | ||
| img322 | Preliminary tests on the Phantom 111 Dynamo with improved brush gear and a proposal for further improvements. | ||
| View original record | c. Hs/Wst. WST 86142 BY.10/C.S.8.10.36. Phantom 111 Dynamo with Improved Brush Gear and 36 Slot Armature. I am sending you herewith copy of Hs/Wst.1/JH.6.10.36. in which Mr. West remarks that the… | ||
| img323 | Modifications and performance improvements for the Phantom III Dynamo. | ||
| View original record | COPY. To By. Hs/Wst.1/JH.6.10.36. Phantom 111 Dynamo with Improved Brush Gear and 36 Slot Armature. Preliminary bench tests carried out on this dynamo have given results considerably better than the… | ||
| img324 | Preliminary bench tests for a Phantom III Dynamo, detailing performance improvements and proposing further modifications. | ||
| View original record | To By. +6142. Hs/Wst.1/JH. 5.10.36. Phantom III Dynamo with Improved Brush Gear and 36 Slot Armature. _______________________________________ Preliminary bench tests carried out on this dynamo have… | ||
| img325 | Letter from Peto & Radford Ltd. to Mr. West regarding Kathanode type batteries with glass wool separation. | ||
| View original record | Works, Dagenham Dock, Essex 6142. TELEPHONE SLOANE 7164. (5 LINES PRIVATE BRANCH EXCHANGE) TELEGRAMS DAGENITE, CONCENTRATION, SOWEST, LONDON. Manufacturers of Accumulators for over 50 years. PETO &… | ||
| img326 | Cover memo for an attached report received from G.W. Hancock. | ||
| View original record | To Bge C. to Mst. J6142. Rm.16/JH.29.10.36. We attach herewith a copy of a report received from G.W.Hancock. Rm. | ||
| img327 | Electrical complaints on the Phantom III, specifically dynamo failure due to faulty fuses and short-circuiting in the foot switch. | ||
| View original record | To Rm. FHS Cricklewood. Complaints Electrical Phantom III. Five cases of dynamo failure have come into the depot in the last two days. The cause has been traced to faulty fuses. In each case the fuse… | ||
| img328 | Instruction for a Delco-Remy governor for a C.15 unit with the same advance characteristic as one for a C.16. | ||
| View original record | 6142 To Rm/Wst. from Rm/Swdl. Rm/Swdl.25/AP.26.11.36. Will you please instruct for a Delco-Remy governor for C.15. giving the same advance characteristic as the one you had made for C.16. C.15. unit… | ||
| img329 | The dispatch of a drawing for a Delco Remy Ignition Distributor, noting recent beneficial modifications. | ||
| View original record | 6142 To: S.A.S. Ru/Est. TMBY E/JNR.1/HP.27.11.36. Bentley. We send you herewith LoC.5400 showing the Delco Remy Ignition Distributor complete with wiring and R.F. coils. We have made a few refinements… | ||
| img330 | Request to return a Rotax W.C.F. generator for examination and report after a 100-hour type test on a Merlin 'G' 3 engine. | ||
| View original record | To Rep-from HPS/WO. Mr H/?P Mr G/?WW Lz/Wst. Mr Berrett (A.I.D) 614 2 HPS/WO.2/WFC.5.12.36. O/55248. Will you please arrange to have the following returned to the makers for examination and report. 1… | ||
| img331 | Dynamo failure on car B.23.AE due to grease build-up, requesting a full overhaul. | ||
| View original record | 6142 HPS. from Rm/Wst. Rm/Wst.12/AP.8.12.36. DYNAMO ON CAR B.23.AE. The dynamo on the above car recently failed to charge. Examination showed that a large amount of thick grease had collected round… | ||
| img332 | On the ventilation testing of a louvred dynamo end cover for the 25/30 HP model. | ||
| View original record | 6142 To By/RD. from Rm/Wst. Rm/Wst.4/AP.24.12.36. Louvred End Cover for 25/30 HP. Dynamo to RR.Sch.941. This end cover has now been tested in respect to its ventilation qualities, and we find it to be… | ||
| img333 | Standardisation of parts document for a dynamo cut-out with double contacts for the Phantom III. | ||
| View original record | SERVICE DEPT. HLT/HW J.W.A. COMPLETED 1.2.37. PHANTOM III. STANDARDISATION of PARTS Date 15/1/37, 1.12.36 X No. 6142 Drawing No. Part List Description of Parts: DYNAMO CUT-OUT WITH DOUBLE CONTACTS TO… | ||
| img334 | Cost estimate and production note for standardizing a feature on chassis. | ||
| View original record | M.W./D. 18/4/40 Estimated cost of new tools approximately £13. 0. 0. assuming this feature is standardised on all three types of chassis. Could be brought on to production at the 1st. chassis in "P"… | ||
| img335 | Standardisation report for a dynamo cut-out with double contacts to reduce volt-drop and overheating. | ||
| View original record | RR 75(B) (sml) 50m. 11-35 W.W.&S.Ltd. COMPLETED 1.2.37. BENTLEY STANDARDISATION of PARTS. Date: 15/1/37 1.12.36 No. 6142 Drawing No. Description of Parts: DYNAMO CUT-OUT WITH DOUBLE CONTACTS TO… | ||
| img336 | Cost estimation and production note for standardising a new feature on three chassis types. | ||
| View original record | UTILITY STANDARDISATION of PARTS Estimated cost of new tools approximately £13. 0. 0. assuming this feature is standardised on all three types of chassis. Could be brought on to production at the 1st.… | ||
| img337 | Standardisation of a Dynamo Cut-out with Double Contacts to reduce volt-drop and overheating. | ||
| View original record | COMPLETED 1.2.37. 25/30 H.P. STANDARDISATION of PARTS Description of Parts. DYNAMO CUT-OUT WITH DOUBLE CONTACTS TO R.R.SCH.549 & SPRINGS D.54809. Origin. To reduce volt-drop and overheating of… | ||
| img338 | Cost estimate and production details for standardising a feature on three chassis types. | ||
| View original record | Estimated cost of new tools approximately £13. 0. 0. assuming this feature is standardised on all/three types of chassis. Could be brought on to production at the 1st. chassis in "PP" series without… | ||
| img339 | Request to overhaul and repair a Phantom III Dynamo L.V.X. for car installation after bench tests. | ||
| View original record | 6142. To HPS. from Rm/Wst. Rm/Wst.20/AP.22.1.37. PHANTOM III DYNAMO L.V.X. This dynamo has been used for bench tests but we now require it to be made ready for a car. In order to do this, will you… | ||
| img340 | Requesting the repair of a damaged Bentley Dynamo S.F.1. | ||
| View original record | 6142 To HPS. from Rm/Wst. Rm/Wst.17/AP.22.1.37. BENTLEY DYNAMO S.P.1. This machine was badly damaged on a car and was removed for repair. In order to make this dynamo right for a car, it will be… | ||
| img341 | Requesting the overhaul and repair of a Phantom III Dynamo T.C. following a bench endurance test. | ||
| View original record | To HPS. from Rm/Wst. 6142 Rm/Wst.19/AP.22.1.37. PHANTOM III. DYNAMO T.C. This machine has been run on a bench endurance test, and now needs overhauling, cleaning and repairing. It will be necessary to… | ||
| img342 | Requesting arrangements to test a non-standard Delco dynamo that does not fit the standard rig. | ||
| View original record | To EJJ. from Rm/Wst. 6142 Rm/Wst.9/AP.26.1.37. EXPERIMENTAL DYNAMO TEST RIG. We have a Delco dynamo which we wish to test, but which we cannot fit on our rig, owing to the diameter of the carcase of… | ||
| img343 | The specifications and requesting a check on the Experimental Dynamo I.C.2. | ||
| View original record | 6142. To HPS. from Rm/Wst. Rm/Wst.5/AP.29.1.37. EXPERIMENTAL DYNAMO I.C.2. The above dynamo was instructed to be built to RR.Sch.911 in By/RD.3/B.23.10.36. This scheme includes an armature built of… | ||
| img344 | Urgent memorandum regarding the overhauling of dynamos for chassis 34 Ex. | ||
| View original record | 6112 URGENT. HPS from Rm/Wst. Rm/Wst.1/3.2.37. Dynamos for Chassis 34 Ex. Since the dynamo on 34 Ex is not of present standard type and, therefore, not easily replaceable, it is essential that both… | ||
| img345 | Letter from Hadfields recommending a specific insulating varnish for the impregnation of electrical windings. | ||
| View original record | MAKERS OF FINE VARNISHES & JAPANS SINCE 1840. 614 2 LONDON - PARIS - CALCUTTA CONTRACTORS TO H.M. GOVERNMENT. HADFIELDS (MERTON) LIMITED WESTERN ROAD MITCHAM SURREY TELEGRAMS: "DURAGLOSS, MITCHAM"… | ||
| img346 | Confirming a meeting arrangement with Mr. Wagner regarding a Phantom III at Conduit Street. | ||
| View original record | 6099 S/W. Rm/Wst. Mr.Wagner - Phantom III. Cx12/KW22.2.37. On receipt of your Rm/Wst.?/JH20.2.37 I telephoned to Mr.Wagner, and he has now arranged to meet you at Conduit Street at 5-45 p.m. on… | ||
| img347 | Enquiry to British Thomson Houston Co. Ltd. regarding a generator for cinema flood-lighting. | ||
| View original record | 6099 Rm/Wst.5/M 27th February, 1937. Messrs. British Thomson Houston Co.Ltd., R U G B Y. Dear Sirs, We have received an enquiry from a customer as to whether we could supply a small A.C. or D.C.… | ||
| img348 | Clarifying a point about the Phantom III charging system's armature fuse for the instruction book. | ||
| View original record | c to Rm/Wst. Hd/SB2/HR.27.2.37. 6142 re PHANTOM III CHARGING SYSTEM. ------------------------------ We wish to point out that it is not made sufficiently clear in the Instruction Book that there is a… | ||
| img349 | Requesting an alteration to a dynamo's field winding for bench tests with a new Lucas regulator. | ||
| View original record | To HPS. c. to WST/Rv. c. to WST/CRP. 6142 RM/WST.7/JH.1.3.37. ALTERATION TO FIELD WINDING OF DYNAMO. S.F.1. In connection with our bench tests of the new Lucas regulator, we require a dynamo with the… | ||
| img350 | Letter from The British Thomson-Houston Company Ltd declining an enquiry for a generator, citing high workload. | ||
| View original record | 6099 WST THE BRITISH THOMSON-HOUSTON COMPANY LTD ELECTRICAL ENGINEERS AND MANUFACTURERS. SUBSIDIARY OF ASSOCIATED ELECTRICAL INDUSTRIES, LIMITED. REGISTERED OFFICE: CROWN HOUSE, ALDWYCH, LONDON,… | ||
| img351 | Inquiry to Newton Bros about supplying a small A.C. or D.C. generator for flood-lighting work for cinema photography. | ||
| View original record | 6099 2nd. March. 1937. Rm/wst.6/AP. Messrs Newton Bros (Derby) Ltd., Electrical Engineers, Alfreton Road, DERBY Dear Sirs, We have received an enquiry from a customer as to whether we could supply a… | ||
| img352 | Letter from Newton Brothers (Derby) Ltd. responding to an inquiry for a small generator, quoting a 25-30 week delivery time. | ||
| View original record | 6099 NEWTON BROTHERS (Derby) LTD. ELECTRICAL ENGINEERS AND CONTRACTORS CONTRACTORS TO BRITISH ADMIRALTY, WAR OFFICE, AIR MINISTRY, INDIA OFFICE & POST OFFICE, DOMINIONS & COLONIAL GOVERNMENTS… | ||
| img353 | The difficulty in sourcing a suitable generator for a customer's car. | ||
| View original record | 6099 W/S. To Cx. from Rm/Wst. Rm/Wst.8/AP.4.3.37. Re. Mr.Wagner. Will you please ring up Mr.Wagner and tell him we are unable to get hold of a suitable generator for his car, as the best promise we… | ||
| img354 | Request to order spare test tackle for 500-watt generators. | ||
| View original record | 6142 Mem from BJJ/JV To Rm/Wst Order No.811 EJJ is absent. EJJ/JV8/MM9.3.37 RE: SPARE TEST TACKLE FOR 500 WATT GENERATORS. Please order from Messrs Cannings Ltd., Manchester, :- 2 - Load Resistances… | ||
| img355 | With sketch detailing dynamo charging failures on a 4 1/4-litre Bentley due to a shorting ignition lamp cable. | ||
| View original record | E. from Rm/OWH. By. Rm. 6142. Kingsbury. 9.3.37. 4 1/4-litre Bentley - Electrical. There have been several failures of the dynamo not charging, due to a fault in the circuit to the ignition warning… | ||
| img356 | The overhaul of a regulator, two dynamos, and a starter motor. | ||
| View original record | To HPS. from Wst/RC. 6142 Wst/RC.6/AP. 10.3.37. will you please arrange to let us have the regulator cut-out unit and the dynamo off B.50.BN, when the car comes into the Shop, as the dynamo requires… | ||
| img357 | Query from R. H. Wagner regarding the fitting of a generator to chassis No.3-BT-175. | ||
| View original record | S/W. WST 6099 Bs8/JL.17.3.37. CHASSIS No.3-BT-175 - R. H. WAGNER, ESQ. Rm/Wst.B/AP.4.3.37. Mr. Wagner called at Conduit Street yesterday regarding the generator he requires to be fitted to this… | ||
| img358 | Customer's request for a generator on chassis 3.BT.175 and a proposed solution. | ||
| View original record | 6099 To By/Cgh. from Rm/Wst. c. Bs. - W/S. Rm/Wst.1/AP.18.3.37. Re.CHASSIS 3.BT.175 - R.H.Wagner Esq. We attach herewith copy of a memo received from Bs. regarding the above chassis. At Sales request… | ||
| img359 | Historical and recent oil leakage issues with the Bentley tachometer drive on dynamos. | ||
| View original record | 6142 To Rm/Wst. A.W.R. BY.4/B.18.3.37. BENTLEY TACHOMETER DRIVE ON DYNAMOS. With reference to Rm/Wst.6/AP.16.3.37., the breathing device referred to, was issued to the Expl. Dept. 2.4.36. May we… | ||
| img360 | Dynamo issues on Bentley chassis, including oil on commutators and sticky brushes. | ||
| View original record | -2- BY.4/B.18.3.37. [Handwritten in margin:] we never approved This matter is being attended to with a Depot Sheet, and the necessary action taken with the coachbuilders. Prior to this recent… | ||
| img361 | Investigation into oil entering the dynamo from the Bentley tachometer drive and the unauthorized fitting of a breather device. | ||
| View original record | To By. from Rm/Wst. C. to RHC. Rm/Wst.6/AP.16.3.37. BENTLEY TACHOMETER DRIVE ON DYNAMOS. We have been further investigating the cause of oil entering the dynamo from the epicyclic tachometer drive… | ||
| img362 | Testing irregularities and an oil leak issue concerning the Bentley tachometer drive. | ||
| View original record | To By/RD. from Rm/Wst. c. RHC. Rm/Wst.6/AP.19.3.37. BENTLEY TACHOMETER DRIVE. With further reference to your By.4/B.18.3.37., the reports mentioned in the second paragraph had nothing to do with the… | ||
| img363 | Delay with the Order Office regarding the overhaul and repair of an A.M. Type Generator. | ||
| View original record | 6142 Lr/Wst. [REDACTED] [REDACTED] [REDACTED] Roy/Rts.4/HT.23.3.37. Further to your memo of the 12th.inst. ref. Lr/Wst.7. which suggested that there was delay in the Order Office in connection with… | ||
| img364 | Letter from J. Stone & Co. Ltd. regarding the receipt of a generator for overhaul, awaiting instructions before proceeding. | ||
| View original record | Messrs. Rolls-Royce Ltd., DERBY. 15th. March.1937. W.J.F. Dear Sirs, We have received your advice note ref. WG/F.25429 dated 3rd. February last, in which you give us particulars of 1 - A.M. type… | ||
| img365 | Complaints of oil on the commutator of Bentley dynamos and suggesting a drain pipe as a solution. | ||
| View original record | Rm/Wst. from Rm/GWH. WST 6142 Kingsbury - 5.4.37. BENTLEY - DYNAMOS. There are complaints coming in with oil on the commutator. While at Derby you remarked of what the D.O. had done with regard to… | ||
| img366 | Notice regarding blueprints for a Dynamo on the Wraith III, detailing a modification to the dowel position on the new Magnet Case. | ||
| View original record | 6142 c. Rm/Wat. BY/RD.1/B.6.4.37. WRAITH III. Sec.8100. Dynamo. LeC.5483. Please receive herewith blueprints of :- DW.230 - Magnet Case. DW.231 - Frame and Field Winding LOP.. on which all parts are… | ||
| img367 | Requesting an examination of a dynamo commutator and its brushes. | ||
| View original record | 6142 To Rm/GWH/IMW. from Rm/Wst. Rm/Wst.3/AP.9.4.37 With reference to your report on 6.B.1V. dated 4.4.37. will you please examine the dynamo commutator and let me know if it is oily or if the brushes… | ||
| img368 | Instruction to change the dynamo on the Phantom III engine on test bed No.5 for a standard machine. | ||
| View original record | 6142 To HPS. c. to WST/CAP. WST/RC.1/JH.17.4.37. Will you please instruct for the dynamo on the Phantom III Engine on No.5 test bed to be changed for a standard machine which we can supply. WST/RC. | ||
| img369 | Request for the production of modified Bentley and Wraith dynamos for testing. | ||
| View original record | HPS. from Rm/Wst. 6142. Rm/Wst.10/AP.20.4.37 BENTLEY AND WRAITH DYNAMOS. Will you please have made for us two Bentley dynamos complete to LOPs. DB.1100, DB.1101, D.54093, D.54599 and one Wraith dynamo… | ||
| img370 | Suggesting modifications to the Dynamo Drive's eccentric sleeve lockwasher and locating dowel arrangement. | ||
| View original record | To Ilac 6142 To-E, from MFS/NH, [obscured] c. to Rm. MFS/RR.1/VS.21.4.37. DYNAMO DRIVE LOP.E.87051. It is found that the "legs" of lockwasher E.87050 for the eccentric sleeve project through the… | ||
| img371 | Blueprint diagram illustrating an existing scheme for a dynamo drive assembly. | ||
| View original record | EXISTING SCHEME LOCKWASHER C87050 ECCENTRIC SLEEVE E87014-5 IT IS FOUND NECESSARY CRANKCASE TO DRILL 8 HOLES TO ACCOMMODATE THE LEGS OF AS SHOWN. THESE HOLES BE DRILLED BY HAND AND ARE DIFFICULT TO… | ||
| img372 | Suggested scheme for a double lockwasher assembly, deleting the hand-drilling operation and locating dowel. | ||
| View original record | SUGGESTED SCHEME SUGGEST A DOUBLE LOCKWASHER BE USED AS SHOWN TO FACILITATE ASSEMBLY AND DELETE THE HAND-DRILLING OPERATION THE LOCATING DOWEL DELETED AND A SUITABLE MARK STAMPED ON SLEEVE AND… | ||
| img373 | Instruction to alter a dynamo back to standard for Engine Unit C.17. | ||
| View original record | 6142. H&S. from Wst/RC. C. Wst/CAP. Wst/RC.12/AI.22.4.37 Re. Dynamo for Engine Unit C.17. Will you please instruct for dynamo No.8.SK.1. to be altered back to standard, the commutator skimming, and… | ||
| img374 | Request for three modified P.3 dynamos for testing due to commutating troubles on customer chassis. | ||
| View original record | J HPS. from Rm/Wst. 6142 Rm/Wst.10/AP.23.4.37 Will you please arrange to make up for us as soon as possible for test on cars, three standard P.3. dynamos complete with modifications to the brush gear… | ||
| img375 | Prints for the Wraith III Chassis dynamo suspension, section 8110. | ||
| View original record | 6142 .../... Rm/West. HY/RD4/EH.28.4.37. Re Wraith III Chassis - Dynamo Suspension - Sec:8110. R.R.Sch.1072. Please receive herewith prints of:- D.W.242 Strap D.W.243 L.O.P. Suspension. Other pieces… | ||
| img376 | List of parts and drawings for the Wraith III Dynamo, scheme 1072. | ||
| View original record | 6142 C. Rm/Wst. BY/RD.3/W.28.4.37. Wraith III Dynamo - R.R. Scheme 1072. Please receive herewith prints of details made from the above scheme :- SEC.8080 - BEARING BRACKETS. L.O.P. DW.250. *… | ||
| img377 | Letter from Rotax regarding drawings for a 24 volt 1000 watt generator. | ||
| View original record | Rotax LIMITED AVIATION DEPARTMENT WILLESDEN JUNCTION LONDON N.W.10 TELEPHONE: WILLESDEN 2480 (PTE. B. EX.) TELEGRAMS: RODYNOLITE PHONE LONDON DIRECTORS: PETER F. BENNETT, OLIVER LUCAS, F.H. WALKER,… | ||
| img378 | Blueprint of an Armature Shaft. | ||
| View original record | .980 DIA, -1, KNURLING, ALL OTHER DETAILS SHOWN, DETAILS SHOWN, ARMATURE STAMPING, ARMATURE SHAFT | ||
| img379 | Blueprint of a dynamo component showing dimensions and alterations. | ||
| View original record | .970 DIA. BEFORE KNURLING DETAILS TO DB1092 ALTERED TO SUIT D.75731 & D.75732 ...FT. DYNAMO ROLLS-ROYCE, LTD. PRINT ROOM, 20 APR 1937 DERBY. EL410 G.M. 20-4-37 | ||
| img380 | Instruction to clean and overhaul a Phantom III dynamo for testing in France. | ||
| View original record | RPS/ from WST/RC. c. WST/CAP. 6142 WST/RC.8/AP.29.4.37 will you please instruct for the Ph.III. dynamo I.C.2. to be thoroughly cleaned, overhauled and made right for test in France on Z-IX. WST/RC. | ||
| img381 | Instruction to arrange an experimental test on a 25/30-HP dynamo, replacing a ball bearing with a plain bearing to fix a noise issue. | ||
| View original record | To By/RD. from Rm/wst. c. De. 6142 Rm/wst.4/AP.3.5.37 Will you please arrange to instruct for Experimental Test a 25/30.HP. dynamo equipped with a plain bearing at the comm. end instead of a ball… | ||
| img382 | Modifications to the Dynamo Drive lockplate for the Phantom III. | ||
| View original record | Sadler 6142 WSC from HPS. HPS.7/VS.3.5.37. DYNAMO DRIVE - PHANTOM III. To make use of existing lockplates E.87050, as suggested in RHO/HN.1/1B.27.4.37, would mean the fitters filing approximately .100… | ||
| img383 | Request to overhaul and clean two dynamos preparatory to fitting to cars. | ||
| View original record | To HFS. c. to Wst/CAP. 6142 Wst/KC.14/JH.3.5.37. Will you please instruct for the following two dynamos to be overhauled, cleaned, and commutators skimmed, preparatory to fitting to cars :- 1 Phantom… | ||
| img384 | Request to send a complete set of standard Bentley dynamo brushes to France for fitting. | ||
| View original record | HPS/WSC. from Rm/Wst. c. Rm/LMW. 6142. Rm/Wst.5/AP.11.5.37 3.B.LV. Will you please send out to France for fitting to the dynamo on 3.B.LV. one complete set of standard Bentley dynamo brushes. Rm/Wst. | ||
| img385 | Sending replacement dynamo brushes to France for testing. | ||
| View original record | To [REDACTED] from HPS/WSC. [REDACTED] Rm/Wst. 6142 HPS/WSC.5/BA.13.5.37. O/54344. Re: Testing in France - 3-B-IV. We hand you herewith:- 2 - D.54094 Dynamo Brushes. Will you please send same per Air… | ||
| img386 | Request to order 6 condensers from the Philco Radio Co. for suppressing interference noises from chassis dynamos. | ||
| View original record | To Roy. from Rm/Wst. 6142. Rm/Wst.16/AP.19.5.37 Will you please order for us from the Philco Radio Co., 6 condensers suitable for suppressing interference noises from chassis dynamos. Rm/Wst. | ||
| img387 | Production delay pending a new testing specification for 25/30-HP & Bentley Governors. | ||
| View original record | 6142 c. Rm/Wst. RHC/SMD.1/MH.19.5.37. Re.- The Testing Specification for 25/30-HP & Bentley Governors. Production is now momentarily held up for the new test specification of these units and we shall… | ||
| img388 | Request for an adaptor to be made to drawing EL.420 to drive a Bosch starter as a generator. | ||
| View original record | RM 6142. To HPS. from Lr/wst. Lr/Wst.3/AP.20.5.37 Will you please have one adaptor to drg. EL.420 made for us to enable us to drive a Bosch starter as a generator. Lr/Wst. | ||
| img389 | Blueprint for a Bosch starter pulley adaptor. | ||
| View original record | PULLEY ADAPTOR. BOSCH STA SCALE : 1/1 SECTION AA TAPER 1 IN 6 ON DIA. .097 H .500 DIA +0/-10 .400 .275 IN .670 DIA. .865 DIA. 1.35 .57 +0/-10 .940 +0/-10 J.R.S 10-5-27 | ||
| img390 | Blueprint drawing of a small mechanical component with dimensions. | ||
| View original record | .610 DIA. .025 RAD. +.010 -.00 .750 +.010 -.00 .020 .120 +.003 -.000 DRILL .285 DIA. TER MOTOR MATL: S/N ROLLS-ROYCE LTD. PRINT ROOM. 20 MAY 1937 DERBY. FL.426. | ||
| img391 | Problems with the rubber coupled dynamo drive on Bentley and Phantom models. | ||
| View original record | 6142 To Hs. G. to Am. G. to M. G. to By. G. to AH. 635. Rm/G H.10/JM.2.5.31. Smith Dynamo Drive. The rubber coupled drive is similar to the present Bentley, 25/30 H. and Phantom. In service this drive… | ||
| img392 | Troubles with the rubber coupled Wraith Dynamo Drive and the lack of a satisfactory solution. | ||
| View original record | To-Hive o. to Rm. [REDACTED] WSC 6142. Rm/GWH.10/JH.22.5.37. Wraith Dyanamo Drive. The rubber coupled drive is similar to the present Bentley, 25/30 H.P. and Phantom. In service this drive has given… | ||
| img393 | Requesting an overhaul for a Bentley dynamo to be used in a 15,000-mile test. | ||
| View original record | 6142 To HPS. c.c. to Wst/CAP. Wst/RC.9/JH.28.5.37. Re Dynamo off 6.B.IV. Will you please arrange for Bentley dynamo H.9.B.D.X. off 6.B.IV. to be overhauled, cleaned, commutator skimmed and a set of… | ||
| img394 | Request to fit a Cheapened Wraith Dynamo No.1SPhantom II to chassis 26-G-VI for road tests. | ||
| View original record | 6142. To HPS. c. to Wst/CAP. Rm/Wst.10/JH.26.5.37. Re Cheapened Wraith Dynamo No.1SP.II. Will you please arrange for this dynamo which has now completed bench tests to be fitted to Wraith chassis… | ||
| img395 | Burning of dynamo field resistance and the proposed new blueprints with a larger resistance and fuse. | ||
| View original record | 614 2 c. Rm/Wst. BY/RD.1/B.1.6.37. ALL CHASSIS. Burning of Dynamo Field Resistance. Please receive herewith blueprints of Ph.Sch.896, showing the proposed larger resistance and additional fuse for the… | ||
| img396 | Lab tests to investigate the complaint of oil entering Bentley dynamos from the tachometer drive. | ||
| View original record | 6142 To K. c. to Hs. c. to By. c. to HWC. c. to Hd. c. to Rm/GWH. - Kingsbury. Rm/Wst.3/JR.4.6.37. Oil Entering Bentley Dynamos from Tachometer drive. Owing to the prevalence of this complaint we have… | ||
| img397 | Dynamo breather and lubrication issues, recommending the fitting of Gits oil seals. | ||
| View original record | -2- With the breather closed less oil was found in the end bracket and oil had definitely been forced up towards the instrument drive. The plain bearing of the tacho-drive was well lubricated with oil… | ||
| img398 | Issue of oil entering Bentley dynamos from the tachometer drive and the potential sources of the problem. | ||
| View original record | Rm/Wst. BY.4/G.9.6.37. 6142 OIL ENTERING BENTLEY DYNAMOS FROM TACHOMETER DRIVE. -------------------------------------------------- Referring to Rm/Wst.5/JH.4.6.37. I am certain that we have not done… | ||
| img399 | Complaints related to over-oiling and stiff grease in tachometer tubes. | ||
| View original record | - 2 - we shall immediately have a crop of complaints as a result of this, as Mx's experience cannot be ignored in this connection. The only complaints we know of from over-oiling since the vent has… | ||
| img400 | Oil entering Bentley dynamos from the tachometer drive and the need for a decision on a vent. | ||
| View original record | blh 2 To Rm/CWH. from Rm/Wst Rm/Wst.9/AP.10.6.37 Oil Entering Bentley Dynamos from Tachometer Drive. You will have seen our memo Rm/Wst.5/JH.4.6.37 and By.'s reply By.4/0.9.6.37. We are very anxious… | ||
| img401 | Troubleshooting an oil issue on the dynamos of a chassis. | ||
| View original record | To. R.M/H.H. 642 Kingsbury June 12th 37 Re Bradley Tachometer Drive. I am sorting out the chassis which have had trouble with oil on the Dynamos and will give you details as soon as possible.… | ||
| img402 | Memo discussing troubles with returned spare parts, listing specific components and observed faults. | ||
| View original record | To Rm / Hrd c. Rm Dundee. WST King's bur June 10th '37 The oil on spares from Tec. branch. I now Here are our returns coming in with trouble of which on communication from Tec branch. I have the… | ||
| img403 | The failure of two Bentley dynamos being returned to the works. | ||
| View original record | To Rm/Wst. from Rm/GWH. 6142. Kingsbury June 17th.1937 BENTLEY DYNAMO FAILURE. Two dynamos are being returned to the Works today for continual blacking up of the commutators. In both cases the… | ||
| img404 | Oil entering Bentley Dynamos from the Tachometer Drive and the effectiveness of a recent fix. | ||
| View original record | To Rm/Wst. from RHC/BMD. 6142 CT Mr. [Redacted] CT Mr. [Redacted] CT Mr. [Redacted] CT Mr. [Redacted] CT Mr/GWH. K [Redacted] RHC/BMD.1/MH.18.6.37. Oil Entering Bentley Dynamos from Tachometer Drive.… | ||
| img405 | Complaint of erratic charging from a Bentley P.6.RR dynamo on chassis 122 JD. | ||
| View original record | WTT 6142 By. from Rm/GWH. c. Rm/Wst. Kingsbury. Rm/GWH. 24.6.37. BENTLEY DYNAMO P.6.RR. Complaint erratic charging by Dixon Mayee Chassis 122 JD. This dynamo was fitted at a mileage of 3658. It has… | ||
| img406 | Investigation report into a faulty Bentley Dynamo W.S.BK, detailing issues with erratic charging and an oil leak. | ||
| View original record | WST What does R.H.C. think about this? Rm 6142 MEMO. from Rm/GWH. S. Rm. Kingsbury. June 24th, 1937. BENTLEY DYNAMO - W.S.BK. We wish to draw your attention to the above dynamo the history of which is… | ||
| img407 | Photographic report on a wrongly drilled production moulding for a tachometer drive. | ||
| View original record | WRONGLY DRILLED PRESENT POSITION PRODUCTION MOULDING FOR TACHOMETER DRIVE DYNAMO W.S.B.K JUNE 24TH '37 By G-H- | ||
| img408 | Letter to Messrs Rotax Ltd. requesting clarification on conflicting generator blueprints and proposing a modification. | ||
| View original record | 6142 Rm/Wst.13/AP. April 28th 1937 Messrs Rotax Ltd., Willesden Junction, LONDON N.W.10 For the attention of Mr.R.H.Woodhall. Dear Sirs, We have a number of blue-prints at our Works giving the outline… | ||
| img409 | New dynamo received from the Works which was found to be saturated in oil and is being returned. | ||
| View original record | 6142 K/W. Rm/st. PK/KC/DPB/28.6.37. We have received today from Works per their advice note No.W.4210, one DB.1147 new type dynamo No.S.8. BTX, allocated to Chassis No.B.4.GA. Upon examination before… | ||
| img410 | Oil leaks and coupling issues with the Bentley Dynamo W-3-HK and proposed solutions. | ||
| View original record | 614/OST Rotax Ltd., Kingsbury. C. LTD. MHE/MMD.1/AM.30.6.37. Re.- Bentley Dynamo W-3-HK. -------------------------------- With reference to the report from G.W.H., we had the above machine tested… | ||
| img411 | Instruction to drain oil from the gearbox of all Bentley Dynamos before despatch. | ||
| View original record | -2- RR/PMO.14ML.30.6.37 (Cont'd) (2). To drain the oil from the gearbox of all Bentley Dynamos before despatch and to attach securely instructions for refilling after the machine is in its correct… | ||
| img412 | Cover letter for a blueprint detailing modifications to the Wraith III Dynamo. | ||
| View original record | TO [illegible] C. Rm/Wst. 6142 BY/RD.3/B.5.7.37. WRAITH III - DYNAMO. Please receive herewith blueprint of RR.Sch.1101 showing the modifications necessary to the Wraith Dynamo to enable same to be… | ||
| img413 | Modifications to the Wraith III Dynamo to suit the LR.7 Regulator. | ||
| View original record | 6142 c. Rm/Wst. BY/RD.1/B.7.7.37. WRAITH III. Dynamo - RR.Sch.1101 - Modifications to suit LR.7 Regulator. Under cover of alteration 1506/Dss we send you herewith blueprints of the following new parts… | ||
| img414 | Requesting the cleaning and overhaul of a dynamo after an endurance test. | ||
| View original record | To HPS. c. to Wst/CAP. 6142 Rm/Wst.1/JH.10.7.37. re Dynamo removed from 35-EX. after endurance test. Will you please arrange for dynamo No.4LV1 to be cleaned and overhauled; commutator skimming, new… | ||
| img415 | Noisy dynamo in a Wraith vehicle requiring a new roller bearing. | ||
| View original record | LST 6142 CHATEAUROUX. Rm/IMW/G/JAB.27.7.37. To: [REDACTED] a. Rm/Wst. [REDACTED] 26.G.VI.- WRAITH. Dynamo. A nasty noise developed in the dynamo. This was dismantled and it was found that the roller… | ||
| img416 | Noisy dynamo on a Wraith model, finding a dry roller bearing and requesting a replacement. | ||
| View original record | 6142 CHATEAUROUX. Rm/IMW/G/JAB.27.7.37. To. Rm. ~~Mr. West.~~ 26.G.VI.- WRAITH. Dynamo. A nasty noise developed in the dynamo. This was dismantled and it was found that the roller bearing at the… | ||
| img417 | Request to forward a Hoffmann Roller Race to France for fitment to a Wraith III chassis undergoing testing. | ||
| View original record | 6142 TO [redacted] from HPS/CP. c.c. [redacted] c.c. Rm/Wat. HPS/CP.4/WFC.28.7.37. O/54349. RE: TESTING IN FRANCE - WRAITH III CHASSIS NO. 26.G-W. We hand you herewith :- 1 Hoffmann Roller Race No.… | ||
| img418 | Request for a replacement 'Hoffmann' roller bearing for a faulty dynamo front bearing on a Wraith Chassis. | ||
| View original record | 6142 HPS/CEP. from Rm/Wst. Rm/Wst.7/AP.28.7.37 Re. Wraith Chassis 20.G.V1. The dynamo on the above chassis has a faulty front bearing. Will you please despatch one 'Hoffmann' roller bearing for… | ||
| img419 | Noisy new roller bearing for a dynamo on a 25/30 HP model, suggesting potential solutions. | ||
| View original record | 6142 CHATEAUROUX Rm/IMW/9/JAB.22.8.37. To: Mr. [illegible] c.c. Rm/RC. By Mr. OWT. CHILDS- See me Rm 26.G.V:- 25/30 HP. Dynamo Bearing. The new roller bearing at the commutator end of the dynamo has… | ||
| img420 | Follow-up memo requesting a governor be made for LOP.EW.1285. | ||
| View original record | HPS. from Rm/RC. c. RC/CAP. 6142. Rm/RC.16/AP.23.8.37 Further to our memo Rm/RC.21/JH.17.8.37, will you please have made for us the governor to LOP.EW.1285. Rm/RC. | ||
| img421 | Experimental detailing of a modification to the lubrication of a Bentley tachometer drive and dynage bearing. | ||
| View original record | D... Dept- c. Rm. cr. LT. 36142 DA.4/G.25.8.37. BENTLEY TACHOMETER DRIVE. D.CD.16 showing modification to Lubrication of Tachometer drive and dynage bearing can be detailed for issue experimentally.… | ||
| img422 | Defective dynamo fuse from a Bentley B.130.JD, attributing the fault to bad workmanship. | ||
| View original record | To By. from Rm/RC. c. RM c. By/RD. 6142 Rm/RO.11/WH. 1.9.37. Re Defective Dynamo Fuse off Bentley B.130.JD. We have examined this fuse and find the fault due to bad workmanship. One end of the fuse… | ||
| img423 | Request to replace a mock-up dynamo front bearing bracket with the correct type (DB.250). | ||
| View original record | To HPS. c. to RC/CAP. 6142. Rm/RC.14/JH.3.9.31. re Dynamo on 26.G.VI. The Front bearing bracket of the above dynamo is only a "mock-up" job. Will you please arrange for a bracket of the correct type… | ||
| img424 | Request to obtain a 1/4 lb. reel of No.26 S.W.G. 'Ferry' wire with an oxide coating. | ||
| View original record | To HPS/CEP. S. HPS/WSC/17/BA RM/RC.7/JH.7.7.37. 6142 Will you please obtain for us from Henry Wiggin & Co. Ltd. Wiggin Street, Birmingham 16., a 1/4 lb. reel of No.26 S.W.G. "Ferry" wire, to be… | ||
| img425 | Bench test results for a Lucas dynamo compared to an R.R. model for the 25/30 or Bentley car. | ||
| View original record | 6442 To WJ. from AC/CAP9 C. Sy/RD. C. RR. AC/CAP.8/LB.1.9.37. LUCAS DYNAMO. Bench tests have now been completed on the dynamo submitted for test by the Lucas Co. This is a fan machine, which,… | ||
| img426 | The low-speed heating, output performance, and commutation tests comparing two different electrical machines. | ||
| View original record | -2- Low-speed heating test. In this test, the extent to which a machine heats up on load, and its maximum output, are ascertained by finding the maximum current at 13 volts, and lowest speed that will… | ||
| img427 | Comparative endurance test report on machine performance, focusing on brush and commutator wear. | ||
| View original record | -3- requiring a major overhaul. The small R.K. machine is capable of delivering 14 amperes, at 13.0 volts, at 5,000 r.p.m. with a certain amount of sparking which is considered permissible. Compared… | ||
| img428 | On the overhaul and testing of a Lucas machine with an odd-number slot armature. | ||
| View original record | -4- RC/CAP.S/EH.7.9.37. have an odd-number slot armature. In order to complete the test, the Lucas machine must be overhauled and the commutator turned, preparatory to being fitted on a car for road… | ||
| img429 | Requesting the preparation of a Lucas Dynamo for a road test following a 300-hour endurance run. | ||
| View original record | To HPS. c. to RC/CAP. 6142 Rm/RC.2/JH.8.9.37. re Lucas Dynamo. The Lucas dynamo has now completed 300 hours endurance run on a bench test. In order to make the machine ready for a road test, will you… | ||
| img430 | The performance of a Lucas dynamo under test for 25/30 and Bentley cars. | ||
| View original record | 6462. Rm./RC. RC BY.2/G.17.9.37. 25/30 and BENTLEY CARS. - RE: DYNAMOS. The Lucas machine we have under test reported on in RC/CAF.8/WH.7.9.37 appears to have stood up satisfactorily to its test, but… | ||
| img431 | Letter from The Morgan Crucible Company Limited regarding faulty starter control contacts and their replacement. | ||
| View original record | 6142 CODES: ABC 4TH 5TH & 6TH (5 LETTER) EDITIONS. ALLIEBER'S & WESTERN UNION (UNIV. & 5 LETTER EDIT.) & BENTLEYS. Inland Telegraphic Address. "CRUCIBLE, PHONE, LONDON" (2 words only chargeable) Cable… | ||
| img432 | The parts list for separating the Bentley Tachometer Drive from the Dynamo to prevent oil leakage. | ||
| View original record | 6142 c. M/BG. BT/RR.3/B.26.9.37. Bentley Tachometer Drive - D.CD.16. In order to separate the Tachometer Drive from the Dynamo to ensure that in the event of oil leakage, the oil will not get on to… | ||
| img433 | List of new and obsolete parts for a dynamo and tachometer drive assembly. | ||
| View original record | -2- BY/RD.3/B.28.9.37. Sec.8070. New Parts :- DB.1476 - Armature Shaft - Dynamo. 1 off. DB.1477 - Sun Wheel and Shaft - Tachometer Drive. 1 off. DB.1562 - Armature Assembly. 1 off. Standard Parts not… | ||
| img434 | Analysis of dynamo sparking and brush sticking issues, with a proposed new experimental armature design. | ||
| View original record | 6142. To Dy. from AM/KC. c. AM. c. Dy/KC. KM/KC.J/MH.30.9.37. Re. LTR-ECU TO A.K. SOLMAH. 911. The main features of the dynamo to this scheme are, an armature core with 36 slots, the commutator with… | ||
| img435 | Conclusions from tests on brush gear, outlining specifications for its components and comparing standard vs experimental machines. | ||
| View original record | RM/RC.3/MH.30.1.37. Brush Gear. From tests carried out on the bench, and observations of machines on cars, we arrived at the following conclusions:- (1) Brush holders should be made of brass.… | ||
| img436 | Bench and road test report comparing a standard machine against an experimental machine. | ||
| View original record | 3. Bench Test continued. Test. Standard Machine. Exptl. Machine. Cutting in 660 R.P.M. 380 R.P.M. Speed. 11.2 miles per 14.8 M.P.H. 1.25 hour. ratio. 12.4 M.P.H. 1.5 ratio. Sparking at 13 amperes, 13… | ||
| img437 | Requesting the overhaul of dynamo No.C.C.1 for car 39-EX, prior to testing in France. | ||
| View original record | To HPS. c. to RC/CAP. 6142 Rm/RC.5/JH.5.10.37. Dynamo for car 39-EX. Will you please arrange for the dynamo No.C.C.1. belonging to the above car, to be overhauled preparatory to undergoing test in… | ||
| img438 | Order for a 2oz. bobbin of 'Ferry' 24 S.W.G. resistance wire. | ||
| View original record | 6142 To HFS/CEP. from RE/RC. Rm/RC.15/WH.7.10.31. Will you please order for us as soon as possible 1 - 2oz. bobbin of "Ferry" 24 S.W.G. resistance wire. This can be obtained from Henry Wiggin & Co.… | ||
| img439 | Request to obtain a recently issued catalogue for C.A.V. Bosch compensated voltage control dynamos. | ||
| View original record | 6142. To Roy. Rm/RC.6/JH.12.10.37. A catalogue of C.A.V. Bosch compensated voltage control dynamos has recently been issued by C.A.V. Bosch Ltd., Acton.W.3. Will you please obtain one for our use.… | ||
| img440 | Requesting a C.A.V. Bosch catalogue for compensated voltage control dynamos. | ||
| View original record | 642 To Roy. Rm/RC.6/JH.12.10.37. [STAMP: ROP CC] [HANDWRITTEN: 12] A catologue of C.A.V. Bosch compensated voltage control dynamos, has recently been issued by C.A.V. Bosch Ltd., Acton.W.3. Will you… | ||
| img441 | Dynamo for the Phantom III in relation to the new overdrive gearbox. | ||
| View original record | 642. Rm/RC. BY.3/G.13.10.37. PHANTOM III - DYNAMO TO SCHEME 911. Referring to Rm/RC.5/MH.30.9.37. it is not by any means certain that the above dynamo is ruled out by the introduction of the… | ||
| img442 | Dynamo for the Phantom III model in relation to the over-drive gearbox. | ||
| View original record | 6142 C. Rm. RC BY.3/G.13.10.37. PHANTOM 111 - DYNAMO TO SCHEME 911 Referring to Rm.AG.5/M.13.9.37, it is not by any means certain that the above dynamo is ruled out by the introduction of the… | ||
| img443 | Illegible document due to extremely poor image quality. | ||
| View original record | Illegible | ||
| img444 | Letter from C.A.V. - Bosch Limited regarding a catalogue for compensated voltage control dynamos. | ||
| View original record | CONTRACTORS TO THE ADMIRALTY WAR OFFICE, AIR MINISTRY INDIA OFFICE, G.P.O. AND LEADING RAILWAYS CODE 7TH EDITION A B C 5 LETTER ALL COMMUNICATIONS TO BE ADDRESSED TO THE COMPANY AND NOT TO INDIVIDUALS… | ||
| img445 | Suggestion to reduce cost and fix a shearing pin issue on the Wraith III dynamo suspension. | ||
| View original record | e. Rm. 6142 DA.16/G.21.12.37. DYNAMO SUSPENSION. WRAITH III. D.CD.305 herewith is a suggestion for reducing cost on the dynamo suspension, and also overcoming the trouble of shearing the pin at… | ||
| img446 | Recurring dynamo failure on car 25.G.VI. | ||
| View original record | To HPS. c. RC/CAP. 6142, Dynamo Rm/RC.8/JH.11.1.38. Dynamo failure on Car 25.G.VI. We have twice recently experienced trouble on car 25.G.VI. due to the dynamo ceasing to charge each time the fault… | ||
| img447 | Outlining the two primary causes for faulty dynamos on the Phantom III. | ||
| View original record | 6142 RHC/Smd.1/LS.17.1.38. CHILDS See me R Pin RE FAULTY DYNAMOS - PHANTOM III. With reference to Hd/SB.16/HR.13.1.38, and 3-BU-32, 3-AX-122, 3-BU-84, which have been carefully examined, we find that… | ||
| img448 | Low safety margin of a new open type dynamo armature fuse on the Phantom III and suggesting an increased capacity. | ||
| View original record | Br. c to Mr. c to Rm. (Partially obscured) 6142. Hd/SB9/HR.19.1.38. RE Leslie are you seeing EBJ re DYNAMO ARMATURE FUSE. -------------------------- We are about to commence fitting an open type fuse… | ||
| img449 | Instruction to forward a Bentley dynamo and control box to Vandervell Products Ltd for experimental use. | ||
| View original record | To G/Wt. c. to D/BP. 6142 Rm/RC.8/JH.21.1.38. Will you please forward to Vandervell Products Ltd., Western Avenue, Park Royal. W.3., one Bentley dynamo complete with control box. These are being… | ||
| img450 | Appropriate gauge of fuse wire for the Dynamo Armature Circuit. | ||
| View original record | To BY. & Rm From RHC/Smd. c. to Hs. c. to Hx. c. to Hl/SB. R.C. 6142. RHC/Smd.1/ENG.26.1.38. RE. DYNAMO ARMATURE FUSE. With reference to HA/SES/HL.19.1.38 we notice that a doubt has arisen regarding… | ||
| img451 | Causes of dynamo failures on the Phantom III and proposed modifications. | ||
| View original record | To MR. from MR/RC. RM/RC.12/JH.26.1.38. PHANTOM III DYNAMOS. With reference to the memo. AHC/SED.1/LP.17.1.38. we agree that the conditions named thereon as to the cause of dynamo failures, may be… | ||
| img452 | Source of Phantom III dynamo failures and comparing them to Bentley vehicles. | ||
| View original record | H.C. from Rm. c. Hy. c. Id. 61421 Rm/R.26.1.38. P.III DYNAMO FAILURES. We are, of course, very concerned with the P.III dynamo failures in customers hands, and are doing all we can to locate the… | ||
| img453 | Causes and potential solutions for dynamo failures on the Phantom III model. | ||
| View original record | To Rm. from RM/RC. RM/RC.12/JH.26.1.38. PHANTOM III DYNAMOS. With reference to the memo. RHC/SMD.1/LS.17.1.38. we agree that the conditions named thereon as to the cause of dynamo failures may be… | ||
| img454 | Faulty dynamos causing excessive sparking on specific chassis models. | ||
| View original record | CHILDS S-DR. Rm. RD. 6142. BY/RD.2/B.28.1.38. Faulty Dynamos Ex Chassis 3-BU-32, 3-AX-122, 3-BU-84. The symptoms shown on these dynamos suggest that all have been running in a condition to cause… | ||
| img455 | Letter from J. Stone & Company regarding the suitability of different types of Automatic Carbon Pile Regulators for use in vehicles. | ||
| View original record | 6142 DATES NAMED FOR DELIVERY ARE SUBJECT TO STRIKES, ACCIDENTS & OTHER UNFORESEEN CIRCUMSTANCES. BRANCHES & AGENCIES AT GLASGOW, LIVERPOOL, CARDIFF, BOMBAY, CALCUTTA, MELBOURNE, NEW YORK, PARIS,… | ||
| img456 | Letter from J. Stone & Company, Limited, discussing M and H type regulators for buses and aircraft. | ||
| View original record | - 2 - The M. type regulator is now being adopted on petrol and diesel engined buses, and trolley buses for the L.P.T.B. and other municipal undertakings. This is the larger of the two regulators in… | ||
| img457 | Requesting the correct arrangement of dynamos between two cars after an engine swap. | ||
| View original record | To HPS. from Rm/RC. c. RC/CAP. 6142 Rm/RC.1/MH.29.1.38. DYNAMO ON CAR B.23.AE. When the recent exchange of engines between cars B.23.AE. and B.50.BN took place the dynamos on the engines should have… | ||
| img458 | Comparison of Phantom III and Bentley dynamos, discussing regulator failures and statistics. | ||
| View original record | CHILDS To-Dr. & Rm.... from RHC/Smd. 6142 RHC/Smd.1/LS.2.2.38. PHANTOM III. DYNAMO. With reference to Rm.7/R.26.1.38, we note that some further information is necessary to explain paragraph 1 in the… | ||
| img459 | Potential causes of dynamo trouble, such as sticking and erratic regulators. | ||
| View original record | -2- The Regulators tabulated as sticking and erratic would both be potential causes of this Dynamo trouble, providing the Armature Fuse did not blow and which would be dependent upon the speed and the… | ||
| img460 | Scheme to address noisy dynamos produced by unlubricated C.E. bearings. | ||
| View original record | C. Rm. DA.5/G.5.2.38. 6142. Owing to a few complaints of noisy dynamos, produced by unlubricated C.E. bearings, we have produced a scheme, which (1). Better retains the oil. (2). Provides an external… | ||
| img461 | Scheme addressing complaints of noisy dynamos by improving bearing lubrication and cover design. | ||
| View original record | [REDACTED] e. Rm. 6142. DA.5/G.5.2.38. SCHEME NO. D.CD.144. Owing to a few complaints of noisy dynamos, produced by unlubricated C.E. bearings, we have produced a scheme, which (1). Better retains the… | ||
| img462 | Suitability and performance of a small dynamo for the Phantom III model. | ||
| View original record | RC 6142. To Mr. [Redacted] Copy to Mr. [Redacted] BY/RD.1/B.5.2.38 Phantom III Dynamo. The proposal to put the small dynamo on Phantom III requires more consideration, since the maximum output of the… | ||
| img463 | Letter to J. Stone & Co. Ltd. regarding a tentative enquiry for a regulator to be fitted on an experimental car. | ||
| View original record | 6142 Rm/RC.6/JH. 5th February, 1938. Messrs. J. Stone & Co. Ltd., Deptford, LONDON. S.E.14. Dear Sirs, With reference to your letter 22A/GPB/GP/9911 of Jan. 28th. and the accompanying information, for… | ||
| img464 | Specification data for a dynamo regulator. | ||
| View original record | DATA FOR ROLLS-ROYCE DYNAMO REGULATOR. Dynamo. Type 12, volt, 4 - pole, shunt wound. Negative brush earthed. Field Winding. Resistance 6.2 ohms at 18°C. Max. field current = 16 V / 6.2 Ω = 2.58… | ||
| img465 | Letter from M.C.L. and Repetition Ltd offering to manufacture dynamos, starters, and other electrical equipment. | ||
| View original record | CONTRACTORS TO GOVERNMENT DEPARTMENTS. TELEPHONE: BROADWELL 1115 (3 LINES) TELEGRAMS: 'KARLYTEKO, LANGLEYWORCS' M.C.L. AND REPETITION LTD REG. TRADE MARK MANUFACTURERS OF 'MOTOR CAR LIGHTING'… | ||
| img466 | Letter from M.C.L. and Repetition Ltd. proposing the supply of a 5' Dynamo. | ||
| View original record | CONTINUATION SHEET - Messrs. Rolls Royce Ltd. - 2 - 8th February, 1933. The enclosed booklet gives some brief idea of the nature of the standard equipment we manufacture, although, of course, this… | ||
| img467 | Dynamo bearing failure during endurance testing and a request for repair and part transfer. | ||
| View original record | To HPS. from Rm/Swdl. c. Rm/RC. c. Rm/Eys. 6142, Rm/Swdl.2/AP.10.2.38 W.III. No.2. The dynamo bearing has failed in the above unit which is running endurance for the Valve gear and Big end bearings.… | ||
| img468 | Consequences of fitting a new-type armature to the Phantom dynamo, including the necessary changes to poles, coils and brush gear. | ||
| View original record | To By. from Rm/RC. 6142 Rm/RC./MH.10.2.38. PHANTOM DYNAMO WITH NEW-TYPE ARMATURE. With reference to By.15/G.8.2.38, we would like to point out that the new armature referred to had, in its final form… | ||
| img469 | Proposing the production and fitting of new armatures to address dynamo failures on the Phantom III model. | ||
| View original record | RC Please see me GRY PHANTOM III. COMPLAINTS, RE; DYNAMOS. Referring to BY/RD.2/B.28.1.38. which dealt with armature failures on 3-BU-32, 3-AX-122, 3-BU-84, it is evident we should produce a certain… | ||
| img470 | New arrangement for the Bentley 111 brush gear, using bronze instead of aluminum. | ||
| View original record | 6142 DA.14/D.16.2.38. G. RM. G. RBT BENTLEY 111. BRUSH GEAR. Herewith is D.CD.214 showing an arrangement of brush gear in bronze instead of aluminium. It is similar to RR.Sch.968, which has been… | ||
| img471 | Design changes to a Phase III Dynamo with a 36 slot armature. | ||
| View original record | 6142 To Rm/RC. BY/RD.5/B.28.2.38. Ph.III Dynamo with 36 Slot Armature. With reference to Rm/RC.3/WH.10.2.38. We are instructing 6 dynamos with the new armature and brush gear, and we propose to… | ||
| img472 | Scheme to try a new 36 slot dynamo armature for the Wraith III and Bentley III models to increase output. | ||
| View original record | 6142 DA.6/G.4.3.38. CHILDS WRAITH III and BENTLEY III. DYNAMO ARMATURE. In view of the increased output now required from the dynamo, it is desired to try a scheme with a 36 slot armature fitted to… | ||
| img473 | Requesting the replacement of a burnt-out dynamo for chassis 35-EX. | ||
| View original record | To HPS. from Rm/RS. c. RC/CAP. 61hp Rm/RC.1/AP.4.3.38 Re. 35-EX. The dynamo on the above chassis has burnt out. will you please replace this with a new dynamo as soon as possible. Rm/RC. | ||
| img474 | Request to arrange for the overhaul of a Phantom III dynamo, model L.180A, which was overloaded and may require rewinding. | ||
| View original record | 6142 To HPS. c. to RC/CAP. Rm/KC.7/JH.5.3.38. re Phantom III Dynamo. Will you please arrange for the dynamo L.180A which has been removed from 35.EX. to be overhauled. This machine has been overloaded… | ||
| img475 | Modification of a Phantom dynamo for use with a Lucas regulator. | ||
| View original record | To HPS. from Rm/RC. 6142 Rm/RC.5/MH.7.3.38. PHANTOM DYNAMO.L.18.QX. With reference to Rm/RC.7/JH.5.3.38 in connection with the overhauling of the above dynamo, will you please note, that this machine… | ||
| img476 | The endurance test of a 36 slot armature dynamo. | ||
| View original record | To by. c. to By/RD. Rm/RC.10/JH.10.3.38. re 36 slot armature. A dynamo to RR. sch. 911 which incorporates the 36 slot armature, has completed an endurance test of 18,720 miles without any signs of… | ||
| img477 | Report on standardising the dynamo on the Phantom III model, considering its cutting-in speed. | ||
| View original record | R.C. 6142. By, from Rm. By/RbD. Rm6/R.10.3.38. Attached is a copy of the report on the dynamo which it is proposed to standardise on the P.III. It does appear from the lower cutting-in speed that it… | ||
| img478 | Concluding that the standardisation of a machine should proceed based on anticipated performance changes. | ||
| View original record | -2- Rm/RC.10/JH.10.3.38. we anticipate that this will result in a slightly lower "cutting in" speed due to a stronger field: and a slightly higher field winding temperature. Thus from the above we… | ||
| img479 | Specifications for two new field windings for the Phantom III dynamo to increase resistance. | ||
| View original record | 6142 BY/RD.1/B.12.3.38 PHANTOM III DYNAMO : FIELD WINDINGS - SEC. S100. (6.5 Ohms required). In order to obtain a slight increase in the resistance of the field winding on the Phantom III dynamo, we… | ||
| img480 | Request to order parts for a 5' Diameter, 36 Slot Dynamo Armature for Wraith, 25/30 HP, and Bentley models. | ||
| View original record | 6142 BY/RD.8/B.14.3.38. 5" Dia. Dynamo : 36 Slot Armature. Wraith, 25/30 HP. & Bentley. Will you please put in hand 1 dynamo armature to LOP. DW.622, all parts of which may be obtained from production… | ||
| img481 | Workable dynamo ratio for the Phantom lll machine. | ||
| View original record | Rm. [REDACTED] RC. 6142 - BY.6/G.15.3.38. PHANTOM III. DYNAMO. I am in complete agreement with Rm.6/R. 10.3.38. and Rm/RC.10/JH.10.3.38. From an examination of the possibilities it was clear to BY/RD.… | ||
| img482 | Dynamo ratio and proposed changes for the Phantom III. | ||
| View original record | Rm/RC. BY.6/G.15.3.38. 6142 PHANTOM 111. DYNAMO. I am in complete agreement with Rm.6/R. 10.3.38. and Rm/RC.10/JH.10.3.38. From an examination of the possibilities it was clear to BY/RD, and myself… | ||
| img483 | Modifications to the Dynamo for the Wraith III and Bentley III models to accommodate a new brush gear. | ||
| View original record | [Crossed out text] Mr/Mrs. Mr. Hoyle Mr. Halls G. H. [End crossed out text] 6142 WRAITH III and BENTLEY III. DYNAMO. P.C. Please receive herewith D.CD.540 showing the bronze brush gear recently… | ||
| img484 | Provision of blueprints for a 5' Dynamo 36-slot armature for Wraith, 25/30 HP, and Bentley models. | ||
| View original record | 6142 To. HBS. c.c. BY/RC. c.c. RHC/CAN. BY/RD.4/B.23.3.38. 5" Dynamo : 36 Slot Armature : D.CD.522. Wraith, 25/30 HP. & Bentley. Please receive herewith blueprints of the following :- DW.620 -… | ||
| img485 | Performance graph plotting dynamo RPM against Amperes output, showing cold and warm curves. | ||
| View original record | 5 D.R. DYNAMO 12 VOLT 15 AMP WARM READINGS TAKEN AFTER 1 HOURS RUN AMPERES 0 5 10 15 R.P.M. 1000 2000 3000 680 650 19.5.1930. AMPERES COLD AMPERES WARM | ||
| img486 | Letter to M C L and Repetition Ltd. regarding the incompatibility of their dynamo design with current requirements. | ||
| View original record | 6134. Rm/RC.17/JH. 19th March, 1938. Messrs. M C L and Repetition Ltd., Pool Lane, Langley, BIRMINGHAM. Dear Sirs, We have considered the suggestions and matter generally, contained in the… | ||
| img487 | Letter regarding a quotation for dynamos and arranging a meeting for preliminary discussions. | ||
| View original record | CONTRACTORS TO GOVERNMENT DEPARTMENTS. TELEPHONE: BROADWELL 1115 (3 LINES) TELEGRAMS: 'KARLYTEKO, LANGLEYWORCS' M.C.L. AND REPETITION LTD MANUFACTURERS OF 'MOTOR CAR LIGHTING' EQUIPMENT AND AUTO… | ||
| img488 | Modifications to increase the Phantom III dynamo speed and the consequent alterations to other components. | ||
| View original record | SWDL STO C. RM. RC 6142 DA.20/G.5.4.38. hli RM/58 PHANTOM 111 - DYNAMO WITH SPEED INCREASED TO 1 1/2 TIMES ENGINE SPEED. Please receive E.CD.551 Dynamo Drive 1 1/2 x engine speed - Phantom 111. This… | ||
| img489 | Requesting modifications and road tests for a special dynamo and regulator for car 35.EX. | ||
| View original record | To HPc. c. to RC/CAP. 6142. Rm/RC.9/JH.12.4.38. SPECIAL DYNAMO AND REGULATOR FOR CAR 35.EX. It is urgently required that we should carry out some road tests on the new type of dynamo and regulator… | ||
| img490 | Alternatives to achieve the desired field winding resistance for a PH.III Dynamo. | ||
| View original record | 6142 To Rm/RC. BY/RD.3/B.20.4.38. RESISTANCE OF FIELD WINDING - PH.III DYNAMO. In order to obtain a field resistance of 6.5 ohms, we have had field coils made up with fine covered wire. With the… | ||
| img491 | Letter to M.C.L. & Repetition Ltd. regarding the supply of starter motors and dynamos. | ||
| View original record | 6134. Rm/RC.10/JH. 20th April, 1938. M.C.L. & Repetition Ltd., Pool Lane, Langley, BIRMINGHAM. Your ref. JDB/HWC. Dudley. Dear Sirs, We have carefully considered your letter of the 21st. ult. and… | ||
| img492 | Letter from M.C.L. and Repetition Ltd arranging a visit to discuss electrical equipment. | ||
| View original record | CONTRACTORS TO GOVERNMENT DEPARTMENTS. TELEPHONE: BROADWELL 1115 (3 LINES) TELEGRAMS: 'KARLYTEKO, LANGLEYWORCS' 6142 M.C.L. AND REPETITION LTD REG. TRADE MARK. MANUFACTURERS OF 'MOTOR CAR LIGHTING'… | ||
| img493 | Specifications for a test field winding for a Phantom III dynamo. | ||
| View original record | To HPS. c. Rm/RC. BY/RD.2/B.28.4.38. 6142 PHANTOM III DYNAMO - FIELD WINDING. In order to obtain a field winding having a resistance of about 6¾ ohms, will you please make up, one set of field coils… | ||
| img494 | Request for a set of parts for a Bentley 50 Dynamo, listing components for the armature and bearing brackets. | ||
| View original record | 6142 BY/RD.1/B.23.4.38. BENTLEY 50 - DYNAMO. Will you please put in hand, one set of parts to the following information. Sec.8070. Armature LOP. EB.1762. EB.1763 - Armature Shaft. EB.1762 - Armature… | ||
| img495 | List of parts and instructions for Commutator and Frame/Field Winding assemblies. | ||
| View original record | -2- Sec.8070. Commutator. LOP. DB.1759. DB.1759 - Commutator Assembly. DB.1760 - Cone. DB.1761 - Nut. Prints of the above herewith. * B.76221 - Commutator Bar. * B.76222 - Insulating Segment. * Prints… | ||
| img496 | The required overhauling and repair work for electrical units removed from car 26.G.VI. | ||
| View original record | 6142- To HPS. c. RC/CAP. Rm/RC.18/JH.5.5.38. ELECTRICAL UNITS OFF CAR 26.G.VI. The following units taken off the above car need overhauling and repair. The work required to be done on each is as… | ||
| img497 | Instructions for the assembly and testing of two 36 slot dynamos for the Wraith model. | ||
| View original record | 6142 To- HPCr c. RH/RC. c. RHG/OMT c. HPG/L.King BY/RD.1/B.7.5.38. 36 SLOT DYNAMO - WRAITH. Will you please put in hand 2 dynamos for bench test and subsequent running on cars. These dynamos are… | ||
| img498 | Design for a Lucas dynamo for a C.I. engine, including an inquiry about the preferred pulley construction. | ||
| View original record | S. Rm. 6142 DA.10/S.9.5.38. BENTLEY SO. DYNAMO. CHILDS Herewith is D.CD.586 shewing the dynamo for the C.I. engine, arranged for belt drive. The design incorporates the 36 slot armature and bronze… | ||
| img499 | Alteration of dynamo field connections on a Wraith III No.4 Unit for endurance testing. | ||
| View original record | 6142. To HPS. Rm/RC.11/JH.13.5.38. re Wraith III No.4 Unit. The above unit has a dynamo in which the field terminals have been altered to suit the Lucas type regulator. As it is now to run endurance… | ||
| img500 | Experimental instructions for assembling a 36 Slot Armature for Wraith and Bentley models for testing. | ||
| View original record | 6142 c. Rm/RC. BY/RD.2/B.17.5.38. 36 Slot Armature - Wraith and Bentley. The armature instructed in BY/RD.8/B.14.3.38 should be assembled for test in a standard Wraith Frame and Bearing Brackets, as… | ||
| img501 | Letter from M.C.L. and Repetition Ltd confirming a recent meeting and discussing potential supply of dynamos and other electrical equipment. | ||
| View original record | 6142. CONTRACTORS TO GOVERNMENT DEPARTMENTS. TELEPHONE: BROADWELL 1115 (2 LINES) TELEGRAMS: "KARLYTEKO, LANGLEYWORCS" MCL REG. TRADE MARK. M.C.L. AND REPETITION LTD MANUFACTURERS OF 'MOTOR CAR… | ||
| img502 | Continuation sheet detailing electrical components such as starter switches, switchboards, and cutout units. | ||
| View original record | CONTINUATION SHEET -2- MCL REG. TRADE MARK Messrs. Rolls Royce Ltd. Derby. is turned to the vertical position and removed, the large knob is locked and thus the ignition, starter and light circuits… | ||
| img503 | Requesting tests on the wear of dynamo bearings by fitting two new ones. | ||
| View original record | To HPS. c. to RC/CAP. 6142 Rm/RC.18/JH.25.5.38. Dynamo Bearings. In order to carry out tests on the wear of dynamo bearings, it is necessary to have two new bearings fitted to dynamo S.E.1. At the… | ||
| img504 | Photograph showing wear on the teeth of a Lucas type flywheel after 25,000 starts. | ||
| View original record | G.R.5303 - Lucas type flywheel after 25,000 starts with 9 tooth Pinion | ||
| img505 | Dynamo failure due to a worn-out brush, including mileage data. | ||
| View original record | To Rm. from Rm/HC. Copy to [redacted] Rm/RC.6/ET.27.3.41. Re DYNAMO. ---------- The dynamo on 12.B.V failed 26.3.41, in that it stopped generating. The fault was found to be due to a worn out brush.… | ||
| img506 | Urgent request to perform a simple machine operation on the B.40 Dynamo pulley. | ||
| View original record | Rm/CTS. from Rm/HC. 6142 Rm/RC.3/ET.8.1.41. Re: B.40 DYNAMO (Urgent) The pulley for the B.40 dynamo requires a simple machine operation, in that the boss needs reducing on the face by approx. 0.162… | ||
| img507 | Letter from Joseph Lucas Ltd. regarding a C5HV type dynamo as fitted to Lagonda cars. | ||
| View original record | "KING OF THE ROAD" ACCESSORIES JOSEPH LUCAS LTD. GREAT KING STREET BIRMINGHAM, 19. TELEPHONE : NORTHERN 5201 TELEGRAMS & CABLES : "LUCAR, TELEX, BIRMINGHAM". WHEN REPLYING PLEASE REFER TO X/BGC/17.… | ||
| img508 | Letter to Lucas Ltd. regarding dynamos, vacuum units, and a C.A.V. catalogue. | ||
| View original record | Your ref. A/BGC/17. Ask R.C. what this is about DYNAMO Rm/RC.1/ST. 8th October, 1940. Messrs. Lucas Ltd., Great King Street, BIRMINGHAM 19. For the attention of Mr. B.G. Crupper. Dear Sirs, We thank… | ||
| img509 | Letter to Joseph Lucas Ltd. inquiring about the availability of a stock dynamo and a vacuum unit for a distributor. | ||
| View original record | Recd 27 SEP 1940 Rm/EC A/ST. 24th September, 1940. Messrs. Joseph Lucas Ltd., Great King Street, BIRMINGHAM 19. Your reference A BGC.17 For the attention of Mr. B.G. Crupper. Dear Sirs, We thank you… | ||
| img510 | Advertisement for an Ilford Exposure Photometer, a precision instrument for photographers and illuminating engineers. | ||
| View original record | ILFORD Exposure Photometer A precision instrument for the determination of exposures in general photography, reversal processes, copying, enlarging and for accurate measurement of transmission and… | ||
| img511 | Instruction manual for the SEI Exposure Photometer. | ||
| View original record | ILFORD presents the SEI Exposure Photometer USES A. Determination of camera exposures for making negatives in general photography. B. Determination of exposures in reversal processes. C. Determination… | ||
| img512 | Instruction manual page for a photometer or exposure meter, detailing camera exposures and maintenance. | ||
| View original record | 7 Press the switch button again and try to make the spot match the part of the scene selected as in the previous paragraph by turning the broad knurled ring (1). If the spot is always too dark or too… | ||
| img513 | Product brochure for the SEI Photometer and accessories for densitometry. | ||
| View original record | Manufactured by SALFORD ELECTRICAL INSTRUMENTS LTD Distributed by ILFORD LIMITED . ILFORD . LONDON SEI Photometer accessories for densitometry | ||
| img514 | Instruction manual for the S.E.I. Photometer and its accessories for densitometry. | ||
| View original record | S.E.I. Photometer accessories for densitometry Contents List of accessories . . . . . . 1 General arrangement . . . . . . 1 To set up the S.E.I. Photometer to measure densities of transparencies . . .… | ||
| img515 | Instruction manual page on how to set up the S.E.I. Photometer to measure the densities of transparencies. | ||
| View original record | Figs. 1 and 2. General arrangement Key to numbers : 1. Supplementary lens attachment 2. Range shift disc 3. Colour matching disc 4. External supply adaptor 5. Base ring of external supply adaptor 6.… | ||
| img516 | Instructions for measuring the reflection density of photographic negatives and prints. | ||
| View original record | Fig. 5. View showing Cradle Stop Screw (11) Fig. 6. Inserting the External Supply Adaptor side of the negative is in contact with the diffusing window. If the instrument is used in a dimly lighted… | ||
| img517 | Page detailing the electrical connections and maintenance for a Densitometer Illuminator. | ||
| View original record | Fig. 7. Supplementary Lens Attachment, about twice actual size, showing side window open as it would be for reflection density work. Fig. 8. External Supply Adaptor Fig. 9. Barrel of External Supply… | ||
| img518 | Guide to the external supply adaptor lamp, illuminator lamp, mounting, and calibration for a photometer. | ||
| View original record | LAMP FOR THE EXTERNAL SUPPLY ADAPTOR (Photometer Lamp) The external supply adaptor and lamp (Figs. 8 and 9) take the place of the normal battery container and lamp used for exposure estimation. The… | ||
| img519 | Advertisement for the SEI Exposure Photometer. | ||
| View original record | SEI Exposure Photometer | ||
| img520 | Table of contents for the S.E.I. Photometer manual. | ||
| View original record | Contents Introduction—The S.E.I. Photometer . . . . . 5 Working Instructions for Estimating Camera Exposures . . . . . . . . 7 Principles of Construction . . . . . . . 9 General Instructions for… | ||
| img521 | Working instructions for the SEI Exposure Photometer for estimating camera exposures. | ||
| View original record | SEI Exposure Photometer Fig. 1 KEY TO ILLUSTRATIONS 1. Operating ring 2. Setting ring for shadow or key-tone methods 3. Daylight or artificial light setting 4. Adjustable telescope eyepiece 5.… | ||
| img522 | Instructions for determining camera exposures using a photometric device and its principles of construction. | ||
| View original record | one-third of a stop, and vice-versa. The slight drift of the microammeter pointer is due to the unavoidable drop and recovery of the battery voltage and can be minimised by keeping the switch button… | ||
| img523 | Photographic comparison of an eagle statuette demonstrating the effect of background brightness on exposure readings. | ||
| View original record | Page 14: Figs. 5 and 6. The effect of brightness distribution on indicated exposure readings. The limiting brightness values occur in the bird and since the lighting remained unchanged the exposures… | ||
| img524 | Guide on photographic exposure corrections, with sections on copying and projection printing techniques. | ||
| View original record | as indicated in the following table, depending upon the particular keytone to be matched. The corrections given are for keytones directly illuminated by the major light source. Keytone corrections… | ||
| img525 | Guide on photometer usage, brightness units, and exposure estimation. | ||
| View original record | The following table gives the relationship between some brightness units in common use and shows where they come with respect to the three ranges on the photometer. Approximate Relationships of… | ||
| img526 | Page from a publication demonstrating photographic exposure methods for scenes with high contrast. | ||
| View original record | Fig. 8 above. Fig. 9 below. Fig. 10. This is not a combination print but is a straightforward photograph of the judging of a lantern slide competition. The room was darkened except for a small… | ||
| img528 | Manual page explaining photography techniques for industrial and controlled lighting using an S.E.I. photometer. | ||
| View original record | 28 29 Fig. 14 (above). Industrial interiors, with or without auxiliary lighting, are all well within the scope of the S.E.I. Photometer. The existing artificial lighting was used here, the exposure… | ||
| img529 | Comparison of landscape photography techniques showing improved rendering of clouds and colour brightness. | ||
| View original record | Landscape Photography IMPROVED RENDERING OF CLOUDS AND COLOUR BRIGHTNESS Photographed on non-colour-sensitive material. Photographed on Pan-chromatic material with a Delta Filter (Ilford Filter No.… | ||
| img530 | Letter from Ilford Limited responding to an enquiry about a S.E.I. Photometer. | ||
| View original record | ILFORD LIMITED ILFORD · LONDON Telephone: ILFORD 3000 Telegrams: PLATES ILFORD Rolls-Royce Limited, Motor Car Division, Crewe. 7th July, 1953. Reference: RVW/PMS/40 Dear Sirs, We acknowledge receipt… | ||
| img531 | Lucas Dynamo Mounting for the B.80 engine. | ||
| View original record | Elec. 6142 Rm. Kv.10/JH. 23.2.40. Lucas Dynamo Mounting B.80 engine. see file 10xx | ||