Rolls-Royce Archives
| Identifier | Entry | ||
| scan0001 | Observations to reduce engine friction and improve petrol consumption. | ||
| View original record | [STAMP] COPY [STAMP] W.M. 2 NOV 1912 RECEIVED [Handwritten] Mr Wormald [Handwritten in left margin] X75- GRAND HOTEL DU CANADEL, Le Lavandou, (VAR), 29th October 1912. Mr Johnson from F.H.R. for T.C.… | ||
| scan0002 | Departmental memo regarding the requirement of a Direct Current Motor for engine testing. | ||
| View original record | R.R. 475 (100 H) (LL. 556. 26.8.12) E.P. 2385. ROLLS-ROYCE LIMITED, NIGHTINGALE ROAD, DERBY. TELEGRAMS: "ROYCAR," DERBY. TELEPHONES: 813 (TWO LINES). DEPARTMENTAL MEMO. This column is for Name of… | ||
| scan0003 | Departmental memo discussing a quote for a new 18 HP motor, its specifications, and price. | ||
| View original record | Mr. Johnson, ing if they have any second hand motors for sale which would suit our purpose, but they inform me they have none to offer. They, however, quote for a new motor, capable of giving about 18… | ||
| scan0004 | Departmental memo regarding a delay in experiments due to obtaining an electro-motor for the experimental shop. | ||
| View original record | R.R 475 (100 H) (PP 366. 7.1.13) E.P. 3312. ROLLS-ROYCE LIMITED, NIGHTINGALE ROAD, DERBY. TELEGRAMS: "ROYCAR," DERBY. TELEPHONES: 476 (FOUR LINES). DEPARTMENTAL MEMO. AW/SM4/014213. This column is for… | ||
| scan0005 | Extract from Mr Royce's memo regarding a suggestion for complete testing tackle for side shafts. | ||
| View original record | Extract from Mr Royce's memo R8/B26213 Re X, #75 The side shaft test should be very easy indeed but I understand that more than this is needed hence my further suggestion for complete testing tackle… | ||
| scan0006 | Extract from a memo from Mr Royce regarding dynamometer generator specifications. | ||
| View original record | Extract from Mr Royce's memo R8/B26213 Re 75 Not less than 200 or more than 400 at 1600 revs. This is on order but I do not remember the voltage - it should be the same as the new dynamometer… | ||
| scan0007 | Requesting an approximate delivery date for an electro-motor required for Mr Royce's experiments. | ||
| View original record | AW/SM22/L6313 Re obtaining an electro-motor. - X.75 Mr Nadin 6-3-13 Mr Royce remarks in his memo R8/B26213 re the above as follows:- "Not less than 200 or more than 400 "at 1600 revs. This is on order… | ||
| scan0008 | Departmental memo chasing the acquisition of an electro-motor for an analytical rig. | ||
| View original record | R.R. 636 (20 H) (PP 780. 27.3.13) E.P. 388a. ROLLS-ROYCE LIMITED, NIGHTINGALE ROAD, DERBY. TELEGRAMS: "ROYCAR," DERBY. TELEPHONES: 476 (FOUR LINES). DEPARTMENTAL MEMO. AW/SM29/L29413 This column is… | ||
| scan0009 | To Mr Hives urging the fitting of an electro motor which is holding up Mr Royce's experiments. | ||
| View original record | Wor/SM5/L14813. Re Electro Motor. X.75 Mr Hives. 14-8-13. Kindly note that since February we have been urging Mr Nadin to obtain the above, which was finally delivered to our stores on 8/5/13, yet as… | ||
| scan0010 | Request to complete electrical wiring and design a motor coupling for the Experimental Shop's analysing rig. | ||
| View original record | Wor/SM9/L171213. Re Analysing Rig for Experimental Shop. Na. 17-12-13. Mr Hives informs us that some months ago you promised to have fitted some electric wires for carrying current from the old… | ||
| scan0011 | Urgent request for instructions and drawings for a coupling for an analysing rig in the Experimental Shop. | ||
| View original record | Re Analysing Rig for Experimental Shop. X.75. M. Na.c. WOR/Mcr23/028114. 28/1/14. In confirmation of our conversation of this morning, will you please urge through the instructions and drawings for… | ||
| scan0012 | Urgently requesting the completion of an electric motor for experimental work. | ||
| View original record | To Mr. Stokes from EFC. X.75 EFC3/T4.10.18. X 4534 RE MOTOR FOR EXPERIMENTAL WORK As we are urgently in need of the larger of the two electric motors you have un preparation for us, for some… | ||
| scan0013 | Internal request to order two standard brush holders for an experimental motor from Newton Brothers. | ||
| View original record | X.76. Oct; 17th; - 1918. BY/HBO5/CK171018. To. G.C. YS. From BY/HBO. X.3054. Motor for Exp.l Work E.F.C. Kindly order from Messrs; Newton Brothers, Electrical Engineers :- Two - 5/8 x 5/16 or 1/4… | ||
| scan0014 | Instruction to rig up a small motor with the necessary brush gear for use in the experimental shed. | ||
| View original record | X.45 To Rv/FROM EFCm EFC EFC4/AT14.11.18. 45 X.3054.-MOTOR FOR USE IN EXPERIMENTAL SHED. This is to confirm that you will instruct up the necessary brush gear to enable this small motor, now in the… | ||
| scan0015 | Ordering a set of parts for a motor for use in an experimental shed. | ||
| View original record | +75 COPY To O.O. from BY/HBO. c. to EFC. c. to Mr. Coverley. 21st. November, 1918. BY/HBO1/W21.11.18. X.2065 - MOTOR FOR USE IN EXPERIMENTAL SHED. X.75. Kindly order 1 set to be made of the following… | ||
| scan0016 | Request with sketch to make a cast iron V-belt pulley wheel for an electric motor. | ||
| View original record | To Srn. for Jn. from EFC, X.75-1 EFC2/T29.11.18. Will you kindly have made for the Experimental Dept., a cast iron pulley wheel for electric motor, to sketch herewith, and oblige. Handwritten notes:… | ||
| scan0017 | Complaining about the over-oiling of occasionally used experimental motors, which causes a mess, and requests a change in procedure. | ||
| View original record | R.R. 235A (500 T) (S.D. 408. 26-4-17.) Bm. 2/156/13. xy5 Srn. from EFG. EFC1/AT14.1.19. ys X.3054.-RE OILING OF EXPERIMENTAL MOTORS. Once a week the Oiler appears in our Experimental shed and fills up… | ||
| scan0018 | Notifying that a D.C. motor is ready and requesting it be moved from the shop. | ||
| View original record | To Hy. from EFC. x/785 EFC1/T1.11.11.19. x785 RE D.C. MOTOR Will you kindly note that the D.C. motor you require from our shop is now ready and we should be glad for this to be moved away as soon as… | ||
| scan0019 | From EFC to RHC urgently requesting a small motor for magneto bench testing for the Experimental Department. | ||
| View original record | To RHC. from EFC. x.48 EFC1/T28.4.20. 75 X.3035 - SMALL MOTOR FOR EXPERIMENTAL DEPT+ Will you kindly note that we shall definitely require this motor within the next few weeks for the purpose of… | ||
| scan0020 | Confirming a small motor for a Magneto Test has been sent, noting the absence of brush gear. | ||
| View original record | To EFC. from RHC. x.75 RHC5/LG1.7.20. Small Motor for your Magneto Test has been finished and sent along. No brush gear etc. RHC. [Signature of RHC] | ||
| scan0021 | Order for one dozen Morganite brushes from the Morgan Crucible Company. | ||
| View original record | H.R. 285A (100 T) (S.G. 643, 18-2-20) G. 2618 To Wd/Ms. from EFC. EFC5/T1.7.20. X. 2656 - MORGANITE BRUSHES. Will you kindly order up from the Morgan Crucible Company, one dozen brushes with twin… | ||
| scan0022 | Confirmation of a request to design brush gear for a small experimental motor. | ||
| View original record | x 45 By/WER. from EFC/AT. EFC/AT1/S22.7.20. X.75. SMALL MOTOR FOR EXPERIMENTAL DEPT. This is to confirm that we have put up to you the designing of the brush gear for small motor for experimental… | ||
| scan0023 | Blueprint for the new brush gear of the Royce Motor. | ||
| View original record | EXPERIMENTAL x 75 To EFC. from BY/WER. BY/WER8/EF24. 8. 20. x 75 ROYCE MOTOR. Please receive herewith one blue print of D. 1116 which is the general arrangement of the new brush gear for the above… | ||
| scan0024 | Request for blueprints and parts for a Royce motor's brush gear for experimental use. | ||
| View original record | F.R. 225A (100 T) (S.G. 648. 12-2-20) G. 2618 EXPERIMENTAL BY/WER7/EF24. 8. 20. To RHC from BY/WER C. to EFC. x 75 ROYCE MOTOR. Mr. Clark has in his Experimental Laboratory a small motor the brush… | ||
| scan0025 | RHC to EFC confirming a small Royce Motor is finished and passed to their department. | ||
| View original record | R.R. 285B (100 T) S.H. Sq. 22-7-20 G 2769 X.7565 To EFC. from RHC. RHC3/LG13.1.21. [STAMP] RECEIVED 13 JAN 1921 Kindly note, that the ^small Royce Motor is finished and has been passed to your… | ||
| scan0026 | Confirming arrangements for the repair of a motor for the bench ignition drive and subsequent fitting of a pulley. | ||
| View original record | K755 To FHC. from EFC. EFC6/T2.11.23. MOTOR FOR BENCH IGNITION DRIVE. X.2065. This is to confirm that as arranged in conversation you are having the armature of this motor repaired. Also that you will… | ||
| scan0027 | Request to replace wire used for rewinding a driving motor in the Electrical Experimental Laboratory. | ||
| View original record | x75 To Wd. from EFC. EFC4/T12.11.23. RE WIRE FOR FIELD WINDING OF DRIVING MOTOR USED IN ELEC. EXPL. LABORATORY. The field winding of one of our motors, having broken down requires rewinding, and… | ||
| scan0028 | Short circuit fault in an experimental driving motor and requesting a re-wind. | ||
| View original record | X.7565. To RHC. from EFC. EFC3/T15.11.23. X.2065 - RE EXPERIMENTAL DRIVING MOTOR. The field windings of this motor have now been made O.K. Though we have carefully adjusted the armature position,… | ||
| scan0029 | Requesting a modification to a dynamo driving motor bearing. | ||
| View original record | To RHC. from EFC. X 75 EFCl/T29.6.25. X.1699. DYNAMO DRIVING MOTOR. On Mr. Tooby's bench I have put the commutator end bearing of our driving motor. We have discovered that this requires 3/16" (.187")… | ||
| scan0030 | Requesting and detailing two quotations for a 1 HP, 200-volt, three-phase motor for a small charging plant. | ||
| View original record | v75 To Hy. from EFC. EFC1/LG22.7.27. 3 PHASE MOTOR FOR SMALL CHARGING PLANT. Will you please obtain for this Dept. a 1 HP. 200-volt 50 cycle 1400 r.p.m. three-phase motor, which will enable us to save… | ||
| scan0031 | 3-pole switch for a starter and the urgent requirement for a motor. | ||
| View original record | contd :- -2- The starter in the latter case would be an ordinary 3 pole switch, and presumably could also be in the former case. This motor is rather urgently required. EFC. [Faint mirrored and… | ||
| scan0032 | From EFC to Hy. requesting enquiries and quotations for D.C. motors. | ||
| View original record | To Hy. from EFC. X7S- EFC1/T13.6.28. The Expl. Dept. may require in the near future one, or perhaps two, 3-brake-horse-power simple shunt wound D.C. motors for 100/140 volts, together with suitable… | ||
| scan0033 | Chasing an unanswered enquiry regarding 3 B.HP D.C. motors, with handwritten follow-up notes. | ||
| View original record | X206575 To Hy. from EFC. EFC7/T19.7.28. We have not received any information in answer to our enquiry EFC1/T13.6.28 re 3 B.H.P. D.C. motors. We can recall one or two cases in which a request to your… | ||
| scan0034 | Specifications for a 3 B.HP motor for the Experimental Department. | ||
| View original record | X2065-75 To Hy. from EFC. EFC3/T20.7.28. 3 B.H.P. MOTOR FOR EXPL. DEPT I have considered the various quotations which you have obtained as a result of my EFC1/T13.6.28. and am of the opinion, which is… | ||
| scan0035 | Request for a revised quotation for a D.C. motor and its associated control equipment. | ||
| View original record | -2- Contd. reasonably be similar to a number which are on the market for small domestic main switch fuse purposes. (d) Field regulating resistance. (e) Armature regulating resistance. (f) Three output… | ||
| scan0036 | Wiring diagram for a 110 Volt 3 B.HP D.C. motor control board. | ||
| View original record | MAINS + - IMPORTANT. Start only with armature resistance all in and field resistance cut out. FUSES MAIN SWITCH FIELD REG TOR. ARM. REG TOR. F+ A+ A- F- LEADS TO MOTOR 110 VOLT 3 B.H.P. D.C. MOTOR… | ||
| scan0037 | Specifications and suitability of a variable speed 3 B.HP motor from Crypto Electrical Co. Ltd. | ||
| View original record | To Hy. from EFC. X2065 EFC4/T26.7.28. VARIABLE SPEED 3 B.H.P. MOTORS. We have perused the attached letter from The Crypto Electrical Co.Ltd., and confirm your pencil note thereon that we do not… | ||
| scan0038 | The specification and control board for a 3 B.HP D.C. motor for the Experimental Department. | ||
| View original record | To Hy. from EFC. X266575 EFC/T16.8.28. 3 B.H.P. D.C. MOTOR & REGULATOR FOR EXPL. DEPT. I return herewith the two letters dated 25th and 27th July from The Crypto Electrical Co., from which we have… | ||
| scan0039 | Quotation for a 3 B.HP motor and regulator gear from The Crypto Electrical Co. Ltd. | ||
| View original record | X2065 25th July 1928 QUOTATION FOR 3 B.H.P. MOTOR AND REGULATOR GEAR FOR EXPL. DEPT., OBTAINABLE FROM THE CRYPTO ELECTRICAL CO. LTD. A frame size 253, protected type, shunt wound interpolar motor,… | ||
| scan0040 | Specifications and test results for a 3 B.HP D.C. Plant Motor and its regulating resistances. | ||
| View original record | X75 Crypto 9.11.28. 3 B.H.P. D.C. PLANT MOTOR AND REGULATING RESISTANCES. Voltage 100/110 Amperes 27 Speed 1500 } Given on plate. Observations running light :- Normal speed on 114 volts = 1640 Speed… | ||
| scan0041 | Test results detailing the ranges of speed obtained on a Crypto D.C. variable speed motor. | ||
| View original record | S.75 13.11.28. RANGES OF SPEED OBTAINED ON CRYPTO D.C. VARIABLE SPEED MOTOR Using series and shunt regulators on the control board, in conjunction with those supplied with the motor. --- Supply… | ||
| scan0042 | The speed ranges of a Crypto D.C. variable speed motor under different regulator settings. | ||
| View original record | X.75 13.11.28. RANGES OF SPEED OBTAINED ON CRYPTO D.C. VARIABLE SPEED MOTOR Using series and shunt regulators on the control board, in conjunction with those supplied with the motor. --- Supply… | ||
| scan0043 | Two types of very small synchronous motors, their specifications, and pricing. | ||
| View original record | Hs. from EFC. X75. EFC1/AD17.7.29. SYNCHRONOUS MOTORS. It is now possible to obtain very small power alternating current synchronous motors with incorporated reduction gear-ing, which motors are… | ||
| scan0044 | Request to arrange an overhaul for the large dynamo test rig motor, specifically the commutator and bearings. | ||
| View original record | X75. RHC. from EFC. EFC2/AD18.9.29. DYNAMO TEST RIG MOTOR. Would you please arrange for an overhaul of our large dynamo test rig motor which requires the commutator and bearings seeing to. You will… | ||
| scan0045 | Article from 'The Electrical Review' about the characteristic features of available types of single-phase motors. | ||
| View original record | X75. 516 THE ELECTRICAL REVIEW. SEPTEMBER 27, 1929. C.A.P. 70/29 Hew. PJ Notes on Single-phase Motors. A General Discussion of the Characteristic Features of the Available Types of Machine. By G.… | ||
| scan0046 | Article from 'The Electrical Review' analysing world electrical exports from a German perspective, with data from 1913 to 1928. | ||
| View original record | SEPTEMBER 27, 1929. THE ELECTRICAL REVIEW. 515 of your less enterprising fellows. The writer does not know of any corresponding series in French, but in this language they are not so much required, as… | ||
| scan0047 | Page from The Electrical Review discussing the theory and operation of various types of electric motors. | ||
| View original record | SEPTEMBER 27, 1929. THE ELECTRICAL REVIEW. 517 cage motors the best starting effects are obtained where high starting currents are allowed, but if the starting current is restricted to low values the… | ||
| scan0048 | Page from The Electrical Review discussing single-phase repulsion motors and a report on lightning and transmission lines. | ||
| View original record | 518 THE ELECTRICAL REVIEW. SEPTEMBER 27, 1929. fact that any rotor coil short-circuited during commutation by the brushes acts in exactly the same manner as the short-circuited secondary of a… | ||
| scan0049 | Test readings and observations for a variable frequency induction motor transformer with a three-phase stator and a single-phase rotor. | ||
| View original record | X-75 29.10.29. X.75. X.1545. VARIABLE FREQUENCY INDUCTION MOTOR TRANSFORMER. THREE PHASE STATOR TO SINGLE PHASE ROTOR. Readings taken with rotor at rest. Rotor. Stator. Amperes. Volts. Watts. Average… | ||
| scan0050 | Instructions and wiring diagram for a 210 volt DC 'Modern' Motor. | ||
| View original record | RR 23B (150 BKS.) (DB 461-8-12-24) MP 306975 X. 75 ROLLS-ROYCE LTD. INSTRUCTIONS. To: EFC Order No.: AD. 39 Customer's No.: X. 75 210 volt D.C "Modern" Motor. This machine is arranged as shown in… | ||
| scan0051 | Faulty Rotax armature from a fan motor that needs to be rectified. | ||
| View original record | X76 RHC. from EFC. EFC4/AD3.12.29. ROTAX ARMATURE. We have handed to Mr.Tooby the armature from our Rotax fan motor. This has an earth on the armature. Will you please arrange for this to be… | ||
| scan0052 | Request to purchase a second variable speed D.C. motor for testing auxiliaries. | ||
| View original record | X75. To Wor. from Hs. c. to EJJ. Hs.3/KT.26.10.31. VARIABLE SPEED D.C. MOTOR FOR TESTING AUXILIARIES. In August 1928 we bought a small 3 HP. variable speed D.C. motor which has been in constant use… | ||
| scan0053 | Quotation for a 3 B.HP motor and regulator gear from The Crypto Electrical Co. Ltd. | ||
| View original record | July 1928. QUOTATION FOR 3 B.H.P. MOTOR AND REGULATOR GEAR FOR EXPL. DEPT: OBTAINABLE FROM THE CRYPTO ELECTRICAL CO. LTD. A frame size 253, protected type, shunt wound interpolar motor with two end… | ||
| scan0054 | Approval to order a small three HP variable speed D.C. motor for testing auxiliaries. | ||
| View original record | X75 To [strikethrough]T.J.J.[/strikethrough] from Wor. Copy to Hs. Wor5/T27.10.31. Re Variable Speed D.C. Motor for testing auxiliaries. With reference to Hs3/KT26.10.31, I quite agree that you may go… | ||
| scan0055 | Internal request to order a protected type shunt wound interpolar motor and accessories from Crypto Electrical Co Ltd. | ||
| View original record | X75 c.Hs/Rm. S.213. EJJ2/W2.11.31. Will you please send an order to the Crypto Electrical Co Ltd., Acton Lane, Willesden, LONDON.N.W.10, for the following:- Frame size 253 protected type shunt wound… | ||
| scan0056 | Letter to Small Electric Motors Ltd. requesting connection and operational details for a regulating motor. | ||
| View original record | X 75. ROLLS-ROYCE, LTD. DERBY. TELEGRAMS: "ROYCAR, DERBY." TELEPHONES: DERBY 1320 (6 LINES) IN YOUR REPLY PLEASE QUOTE Ref. Hs/WSt2/ 13/11/31. Small Electric Motors Ltd., Beckenham, Kent. Dear Sirs,… | ||
| scan0057 | Letter from Small Electric Motors Ltd. regarding an Air Ministry Regulating Motor, unable to provide a connection diagram. | ||
| View original record | CONTRACTORS TO ADMIRALTY, WAR OFFICE, AIR MINISTRY, POST OFFICE, ETC. X75. TELEPHONES BECKENHAM 0066 & 0067. TELEGRAMS, SEMOCO, BECKENHAM BENTLEY'S CODE. SMALL ELECTRIC MOTORS, LTD SPECIALISTS IN… | ||
| scan0058 | Request to order enamelled copper wire to rewind a failed field coil on a Crypto electric motor. | ||
| View original record | X75 Roy. from Hs/Wst. c. EJJ. Hs/Wst.3/AD20.11.31. CRYPTO ELECTRIC MOTOR One of the field coils on one of these motors in the exptl. dept has failed and to save time we are rewinding this ourselves.… | ||
| scan0059 | Urgent internal order for enamelled copper wire for repairs to a Crypto electric motor. | ||
| View original record | ~~Roy~~ from EJJ/JV, c to Hs/Wst. Dept. No. 52 o/736 x75 EJJ/JV1/WB21.11.31. RE REPAIRS TO CRYPTO ELECTRIC MOTOR EXPERIMENTAL DEPT. Please order:- 9 lbs of 21 S.W.G. Enamelled Copper Wire. URGENT… | ||
| scan0060 | Request to arrange for the urgent repair of a Crypto Motor with a shorted field coil. | ||
| View original record | X75 EJJ. from Hs/Wst. Hs/Wst.2/AD7.12.31. Will you please arrange to despatch to Messrs. Husbands Hart & Warburton, to repair a Crypto Motor 3 BHP. 100 to 110 volts 27 amperess 1500 R.P.M. One of the… | ||
| scan0061 | Request to arrange repairs for a Crypto motor for the Electrical Experimental Laboratory. | ||
| View original record | X75. Rsy from ESJ/JV c to Hs/Wst. c to C/Mt. Dept. No. 52 o/736 RJJ/JV5/WB?,7.12.31. REPAIRS TO CRYPTO MOTOR - ELECTRICAL EXPERIMENTAL LABORATORY Will you please arrange to forward to Messrs Husbands… | ||
| scan0062 | Difficulties with a new Crypto motor in the Experimental Department, suspecting the wrong type was supplied. | ||
| View original record | X75. To EJJ. from Hs/Wst. c. Roy. Hs/Wst.4/KT.19.12.31. NEW CRYPTO MOTOR IN EXPL. DEPT. The men in the expl. shop have experienced difficulty with the new Crypto motor recently obtained from the… | ||
| scan0063 | Design options for a lighting battery ignition system for a marine engine. | ||
| View original record | R.R. 935A (1000) (PP351. 2.1.13) G 4088 COPY. X.3374 January 23rd., 1913. X.3374 X 562 Lighting Battery Ignition. 1. Dynamo is intended to be combined and driven with fan (see ample room in 4" engine… | ||
| scan0064 | The testing of a Peto & Radford dynamo and Mr. Royce's displeasure with testing too many lighting sets. | ||
| View original record | X.3374. Wor/SM7/L7513. W to S. C. 7-5-13. X.305 - RE PETO & RADFORD DYNAMO, X.152. X.3374. In reply to your memo C13/C6513, we wish to state that we have not sent a copy of our report to Messrs. Peto… | ||
| scan0065 | Requesting a comparison of Edison cells versus lead accumulators for use in a lighting set. | ||
| View original record | Na. from F.H.R., c. J. X.3374 R4/B14.6.13. X.664 - RE LIGHTING SET CELLS X.50. X.3374. I have not yet received the comparison of the weight of the Edison cells compared with the usual lead… | ||
| scan0066 | Letter to a customer regarding car repairs and explaining the functionality of the lighting dynamo and battery. | ||
| View original record | X 334 Wor/SM6/L18.6.13 L. Williamson Esq., Howick, Southport. Dear Sir, X.206 It is with pleasure that we read your letter of June 17th stating that our repair department have entirely overcome the… | ||
| scan0067 | Diagnosis of a vehicle's dynamo and lighting system failure, identifying three potential causes and concluding the dynamo itself is at fault. | ||
| View original record | -2- Wor/SM6/L18613 Contd. your demands. If, on the other hand, you for some reason use the car for several long night runs and not at all during the day time, you would then have insufficient current… | ||
| scan0068 | Testing batteries with a C.A.V. Dynamo, noting voltage variations when using the horn or switching the dynamo. | ||
| View original record | To Wor. X.3374 Pd8/W26.8.13. X3374 BATTERIES IN COMBINATION WITH C.A.V. DYNAMO X802 X664 During the last two weeks I have had an opportunity of testing two separate cars fitted as above. On my first… | ||
| scan0069 | Battery performance, comparing Edison and Exide cells for a C.A.V. Dynamo Set. | ||
| View original record | X.3374. To Wor. from R. c. to J. c. to Pd. R2/P8.9.13. X.206.RE C.A.V. DYNAMO SET. X.3374 X.50 Wor/SM5/L4913 This sheet does not say to what batteries Mr. Platfud refers, whether they are Edison or… | ||
| scan0070 | Letter from Bijur Motor Lighting Co. proposing their self-starting and lighting systems for use in Rolls-Royce cars. | ||
| View original record | R.R. 199 (250T) (SD676 19-7-17) MP180865 X. 3374 BIJUR MOTOR LIGHTING CO., RIVER FRONT & 15th STREET, HOBOKEN, N.J. December 5th, 1913. X. 3374. X. 1058 X. 3231. The Rolls-Royce Ltd., Derby, England.… | ||
| scan0071 | Meeting with Mr. G.J. Scott to discuss fitting the Scott Self Starter to a car. | ||
| View original record | R.R. 285A (100 T) (S.G. 643. 19-2-20) G. 2618 X3374 Da3/G61213. Re. R5/P4.11.13. X.950. RE SCOTT SELF STARTER. X.3374. X.543. X.294. J. for R. 6.12.13. Da3/G61213. I had Mr. G.J. Scott, of the Scott… | ||
| scan0072 | The mechanics of a starter, epicyclic gear, brake system, and dynamo voltage regulation. | ||
| View original record | R.R'. 285A (100 T[Contd. is typed over this part]S...19-2-20) G. 2618 -2- Da3/G6.12.13. can be obtained on the chain sprockets. I expect you have full particulars of the starter but send you a 2/1… | ||
| scan0073 | Trial of a starter from Scott, chain dimensions, and sprocket details. | ||
| View original record | R.R. 295A (100 T) (S.G. 643, 19-2-20) G. 2613 Contd. 3. Da3/C61213 and is bolted to the oil retainer round the main shaft, all being strengthened up where necessary. The pull is about 350 or a… | ||
| scan0074 | Page two of a letter from Bijur Motor Lighting Co. discussing the installation of their lighting system on a chassis. | ||
| View original record | Contd. -2- them to interest you sufficiently so that you would equip one of your chassis with our outfit. Messrs. Duncan, Watson & Co. can give you a good deal of data regarding the installing of our… | ||
| scan0075 | Article from 'The Autocar' describing the B.R.C. Dynauto, a car lighting system with several interesting features. | ||
| View original record | THE AUTOCAR, April 25th, 1914. 781 The B.R.C. Dynauto. A Car Lighting System with Several Interesting Features. THE lighting dynamo which forms the subject of this article is a beautifully built… | ||
| scan0076 | Extract from a visit report discussing a car owner's preference for a battery-only electric lighting system. | ||
| View original record | R.R. 235 A (100 T) (S.F. 846. 6-8-19) G. 2460. X.3374. WOR/CP3/M22114. Mr. Mercer. X.3374 - LIGHTING SETS X.664. For your information, I send you extract, as below, of report from Mr. Paterson, No.900… | ||
| scan0077 | Confirming the receipt of a Bijur electric self-starting and lighting outfit and its components. | ||
| View original record | X.3374 2.3.14. EM20/E2314. Wor. Mr. Mercer. X.1058 X.3231. X.3374. Please note, we have now received the electric Bijur self starting and lighting outfit complete from Messrs. Duncan Watson & Co., 1 -… | ||
| scan0078 | Comparing self-starters, dynamos, and lighting systems from the Bijur and Rushmore firms. | ||
| View original record | .To R. from EH. c. to J. c. to Na. X.1357. X.3374 W /EH3/B20.3.14. X.543 RE SELF STARTERS X 294 X.3374 X1114 X1058 X.1203 We have had the representatives from the Bijur and Rushmore firms call here to… | ||
| scan0079 | The danger of celluloid batteries and a weight comparison of Bijur and Rushmore battery sets. | ||
| View original record | H.R 235 B (2000 Skt 68, 22-5-19) G. 2376 Contd. -2- EH13/B20314. X664 They do not advise celluloid batteries because of the danger of fire. Mr. Rushmore laid stress on the point that there is a big… | ||
| scan0080 | Disadvantages of running a 6-volt ignition coil from an earthed lighting battery and objections from suppliers. | ||
| View original record | X3374 Wor for Expl. Dept. X.562. RE 6.VOLT COIL CONNECTED UP TO HALF LIGHTING BATTERY. X.3374. X.1520. 26.6.14. El/C26614. I understand that the experimental dept. have found some disadvantages… | ||
| scan0081 | The performance of a 6-volt coil after a 10,000-mile test, with recommendations and concerns about wiring and compatibility with C.A.V. and Lucas components. | ||
| View original record | R.R. 915A (100 T) (S.G. 643. 19-2-20) G 2618 X.3374 From Exp. Dept. c. J. c. R c. E. c. Na. Wor/EHB/B27714. 27.7.14. X.562 - REPORT ON 6 VOLT COIL. X.3761. X.1413. X.3647. X.3374. X.1520. This has bee… | ||
| scan0082 | Note about resolving ignition and battery troubles by manufacturing their own dynamos. | ||
| View original record | Wor/EH5/B27.7.14. -2- Sheet 2. to object to us connecting our ignition up to their battery. These troubles will disappear when we make our own dynamos. EH. | ||
| scan0083 | Comparing a C.A.V. cut-out to a Lucas fitting and discussing constant current versus constant voltage electrical systems. | ||
| View original record | X.3374 To Na. from R. c. to J. c. to Wor. for Mr. Ellis. c. to Bv. EFC R10/IB27.10.14. X. 206. X. 3374. X. 1357. X.1610.-C.A.V. CUT-OUT. With reference to the C.A.V. cut-out, this seems to be a… | ||
| scan0084 | The car's electrical lighting system, voltage regulation, and a proposal for testing a new constant voltage system. | ||
| View original record | -2- R10/IB271014.Contd. The voltage, however, should not rise sufficiently high that if only one portion of the lamps on the car are switched on, it is sufficiently high to break the lamps and it is… | ||
| scan0085 | The suitability of various 6-volt and 12-volt electrical self-starter and dynamo systems. | ||
| View original record | -3- RLO/IB271014. Contd. It is, I believe, a six volt set, but I am not sure. In that case it would need a six volt battery and special lamp bulbs which I understand are easily procurable. It will be… | ||
| scan0086 | Continuation of a report critiquing the practicality of a C.A.V. fitting and how it is secured. | ||
| View original record | -4- R10/IB271014. Contd. and not very practical from any point of view. Think how we skimp the weight down in our parts, even vital parts, and they go and slump a lump on like this. You will notice… | ||
| scan0087 | The change to 12-volt lighting and starting sets for after-the-war chassis. | ||
| View original record | X.3374 To By. from R. c. to J. X.3374 RE AFTER-THE-WAR CHASSIS. Lighting and Starting Sets. R6/W24.10.16. With reference to your memo By16/G20.10.16, regarding above, we have now gone back to 12… | ||
| scan0088 | Requirements and issues with a dynamo for a 4.5' car engine, comparing Bijur and Lucas systems. | ||
| View original record | To Ry. from R. c. to CJ. " " EH. X.3374. R6/G111118. X. 3129 X. 3231 RE DYNAMO FOR 4 1/2" CAR ENGINE. X.3014. X.294.3374. (294 is struck through) As far as I can remember, the best we have installed… | ||
| scan0089 | Dynamo performance, including cut-in speed, belt ratios, and comparisons with other electrical systems. | ||
| View original record | R.R. 235A (500 T) (S.D. 408. 26-4-17.) Bm. 2/156/13. To Mr. Young. R. X.3014 FOR "C" RAD. ENGINE Or dynamo not arranged to "cut in" early enough. As far as I can remember the best we have installed… | ||
| scan0090 | Comparing different car dynamo systems and outlining requirements for a new system. | ||
| View original record | R.R. 235A (500 T) (S.D. 408. 26-4-17.) Bm. 2/156/13. Handwritten: X3374. RL2/G11.11.18. X.3231. X.3014. X.3374. To EFC. from R. c. to EH. c. to By. c. to BJ. Handwritten: X294 RE CAR DYNAMO. (1). I do… | ||
| scan0091 | Continued memorandum on lamp performance, lighting power, and the weight of electrical accessories. | ||
| View original record | R12/G11.11.18. Contd. X.1369 (7). The first lamp we tried of those you sent, failed by blackening in 7 1/2 hours, the next one is showing no deterioration after 32 hours. X1114 (8). Re (4) can one… | ||
| scan0092 | New car lighting system, inquiring about dynamo output and the candle power of lamps. | ||
| View original record | To Mr. Cowen from EFC. Sales Dept. EFC7/AT14.11.18. X. 1357 [Strikethrough: X.334] RE R.R. CAR LIGHTING SYSTEM. We are aiming on our new car lighting system at obtaining the full output from the… | ||
| scan0093 | The selection of a chassis lighting and ignition system, comparing Bijur, Lucas, and Rotax options. | ||
| View original record | To R. from EFC. c. to CJ. c. to Bv. EFC8/AT14.11.18 X.3129 X.1357 X.3374 RE CHASSIS LIGHTING AND IGNITION SYSTEM. X 294 Referring to your notes R6/G111118 and R12/G111118 there is no Bijur system on… | ||
| scan0094 | Continuation of a discussion on battery selection, faulty C.A.V. lamps, and a 12-volt non-trembler ignition system. | ||
| View original record | EFC8/AT141118 Contd. choosing the best battery for its weight. Regarding lamps for lighting installation at W.W. We think that the first lamp delivered must be an exception through having a faulty… | ||
| scan0095 | Battery ignition system and ordering of batteries for the post-war chassis. | ||
| View original record | R.R. 235A (500 T) (S.D. 408. 26-4-17.) Bm. 2/156/13. X. 3374 November 14th 1918. To Mr. Mills from BY. c. to Mr. Ormerod. c. to Mr. Shelton. c. to Mr. Clough. c. to EFC. BY1/P141118. X. 3129 X. 3374.… | ||
| scan0096 | Instruction to order batteries for 12-volt car lighting and starting, and to inquire about Half Watt Lamps. | ||
| View original record | R.R. 235A (500 T) (S.D. 408. 26-4-17.) Bm. 2/156/13. To O.O. from BY/HBO. C to E.F.C. 15th November 1918. BY/HBO2/W151118. X.3374 X1114 X.560 BATTERIES FOR 12 VOLT CAR LIGHTING AND STARTING. X.3398… | ||
| scan0097 | Request to Newton Bros. for particulars of a small dynamo for aeroplane and car applications. | ||
| View original record | To Mr Millis from BY. E. to EFC. C. to Mr Churchill. X.3344. U X.323) X 3374 X.3412 BY4/DB161118. November 16th, 1918. RE DYNAMO. Will you kindly write to Messrs Newton Bros. and ask for particulars… | ||
| scan0098 | Requesting contact with the English concessionaires for the Bijur chassis dynamo. | ||
| View original record | To Mr. Mills from By. c. to EFC. c. to By/HBO. c. to EH. X.3374. By1/CK16.11.18. RE CHASSIS DYNAMOS. X.3231. X.3374. Can you get in touch with the English concessionaries for the Bijur dynamo, similar… | ||
| scan0099 | Selection of a suitable dynamo for a chassis, considering American and British options. | ||
| View original record | To R. from By. c. to CJ. c. to By/HBO. c. to EFC. c. to EH. X.33/4 By3/DB16.11.18. X.3231. X.3374. X.3412. X294 RE DYNAMO FOR CHASSIS. Referring to your memo R12/G111118 on above question, there can… | ||
| scan0100 | Letter to Lucas & Co. Ltd. discussing dynamo blueprints and requesting a trial and performance curves. | ||
| View original record | X.3344 EFC1/AT16.11.18 16.11.18. Messrs. Lucas & Co., Ltd., Great King Street, Birmingham. Dear Sirs, Many thanks for your letters of the 14th inst. and for blueprints of dynamos No. E.575 and E.60.… | ||
| scan0101 | Lighting dynamo for chassis, discussing samples from Messrs. Lucas. | ||
| View original record | To R. from EFC. c. to CJ. c. to By. EFC3/AT18.11.18. X. 294 X. 3014 X.3074.-RE LIGHTING DYNAMO FOR CHASSIS. We are now advised by Messrs. Lucas that it is quite safe to rely upon the half watt type of… | ||
| scan0102 | From EFC to O.O. requesting an official order be placed with Messrs. Lucas for a starter battery and a dynamo. | ||
| View original record | To O.O. from EFC. EFC1/AT18.11.18. X.2676 X.3814.-RE LUCAS STARTER BATTERY & LUCAS E.575 DYNAMO. Will you kindly send to Messrs. Lucas an official order for one of their 12 volt Chassis Lighting &… | ||
| scan0103 | Letter discussing car lighting systems, specifically dynamo output speeds and bulb specifications. | ||
| View original record | 22.11.18 ml/H221118 750 500 15 22/11/18 4 Re our Car Lighting System. X.3374 EFC7/CT141118 - We do not consider that a dynamo giving the full output at 15 miles per hour is likely to be perfectly… | ||
| scan0104 | Enquiry for experimental batteries for a chassis. | ||
| View original record | To O.O. from EFC. X.3374 - RE EXPERIMENTAL LUCAS BATTERIES FOR CHASSIS. EFCa/AT25.11.18. X.3398 Referring to your enquiry in connection with the attached letter, kindly note that we would like to have… | ||
| scan0105 | Car lighting system, dynamo output, and the ordering and testing of new half-watt lamps. | ||
| View original record | To R. from EFC. c. to CJ. c. to Ev. EFC5/AT25.11.18. X.1357 X.1374.-RE CAR LIGHTING SYSTEM. We attach copy of the letter received from the Sales Dept. in connection with the above. You will see that… | ||
| scan0106 | Use and viability of half-watt lamps for car lighting, including a reply from C.A.V. | ||
| View original record | R.R. 23B B (200 T) (S.E. 527, 21-2-18) G. 2129 R. from BY. C. Ormerod. C. EFC RECEIVED RE CAR LIGHTING. USE OF HALF-WATT LAMPS. December 4. 1918. BY1/P41218. X.3374 X.1357 We have taken up the… | ||
| scan0107 | Dynamo for a post-war car, attaching a letter from J. Lucas Ltd. | ||
| View original record | X.3374 To R. from BY. c. to EFC. c. to Mr. Ormerod. BY1/DB51218. December 5th 1918. X.3014 - RE DYNAMO FOR POST-WAR CAR. X.3374. I attach herewith a copy of a letter received from Messrs. J. Lucas… | ||
| scan0108 | Letter from Joseph Lucas Ltd. discussing the selection of a dynamo for a post-war car. | ||
| View original record | COPY CLB/GD Joseph Lucas Ltd., Great King Street, Birmingham. 28th Nov. 1918. Messrs. Rolls-Royce, Ltd., Nightingale Road, Derby. Dear Sirs, Re Dynamo for Post- War Car. With further reference to our… | ||
| scan0109 | Notes from a visit to Mr. Royce discussing component choices for wheels and dynamos. | ||
| View original record | R.R. 235A (500 T) (S.D. 408. 26-4-17.) Bm. 2/156/13. X5274 Extract from EH1/LG16.12.18. The following notes were taken during Mr. Wormald's and my visit to Mr. Royce:- X.3476 WHEELS. X.3482. Mr. Royce… | ||
| scan0110 | Stock of C.A.V. lighting sets and dynamos at the Siddals Road Store. | ||
| View original record | To BY. from EFC. X 33/4. EFCZ/T19.12.18. RE C.A.V. LIGHTING SETS AND DYNAMOS. In regard to the above, Mr. Furner, who visited the Siddals Road Store to see for me what electrical stock we had, tells… | ||
| scan0111 | Index page for documentation related to car lighting systems and dynamos. | ||
| View original record | 3374 CAR LIGHTING X. 294. Dynamos for Car lighting - general. X.3374. Car lighting system - general. | ||
| scan0112 | Scheduling visits from representatives of various firms to discuss post-war chassis equipment. | ||
| View original record | X.646 X. 3374 To EY. from EFC. c. to EY/HBO. c. to EH. EFC1/T14.1.19. 14th January 1919. X3374- x 664 Kindly note that the following visits from representatives of other firms are in prospect this… | ||
| scan0113 | Issues with the stores system for obtaining lamps required for chassis lighting. | ||
| View original record | H.R. 235A (500 T) (S.D. 408. 26-4-17.) Bm, 2/156/13. To Mr. Chatwin from EFC. c. to Mr. Mills. EFC2/AT29.1.19. X.3374.-CHASSIS LIGHTING. Attached is a copy of a note we received from the O.O. stating… | ||
| scan0114 | Extract discussing the design and sourcing for battery ignition, lighting systems, and battery placement. | ||
| View original record | R.R. 235A (500 T) (S.D. 408. 26-4-17.) Bm. 2/156/13. X. 3374 Extract from E1/G3C119. (4) BATTERY IGNITION. X. 3129. The cam for the non-trembler battery ignition should be made to give a simple… | ||
| scan0115 | Responding to an inquiry about an order for bulbs, confirming a partial signature and requesting more details. | ||
| View original record | R.R. 285 E (200 T) (S.F. 103, 25-10-18) G. 2244. Mr. Clarke Exp! D.O. copy to Mr. Mills. CHAT/HM/MT1/1219. X.3374 Re your EFC2/AT29119. We have gone into this matter and find we hold the signature of… | ||
| scan0116 | To Stores regarding the whereabouts of half watt lamps. | ||
| View original record | To Mr. Matthews - Stores. from EFC. EFC1/T13.2.19. X.3374. RE HALF WATT LAMPS. Regarding your CHAT/HM/MT1/1219 we find that Mr. Hives has the two lamps No.23 but he has not seen the remainder. We… | ||
| scan0117 | Mr. Royce's instruction on the correct positioning of the ammeter within the circuit. | ||
| View original record | R.R. 235A (500 T) (S.D. 408. 26-4-17.) Bm. 2/156/13. To EY. from EFC. c. to EY/HEQ. c. to EH EFC4/T27/3/19. X.3374. RE POSITION OF AMMETER IN CIRCUIT. Will you kindly note that Mr. Royce, in his note… | ||
| scan0118 | Requirements for low-resistance chassis wiring to avoid voltage fluctuations. | ||
| View original record | To Ry. From EFC. c. to BH. c. to EY/HRO X.3374 EFC1/ATS.5.19. X.2778 - RE WIRING FOR CHASSIS. X.3374. We ought to make quite sure that a certain portion of the wiring in particular and the whole of… | ||
| scan0119 | Technical note discussing electrical resistance and its importance, mentioning Bijur Regulation. | ||
| View original record | -2- FCL/AT8519. Contd. resistance certainly not exceeding .04 ohm, that is .02 ohm each. (It is also incidently a good argument for keeping the battery internal resistance as low as possible). It may… | ||
| scan0120 | Attached letters from Messrs. Smith & Sons and Messrs. Lucas concerning test results and policy. | ||
| View original record | To Bn. from EFC. c. to By. c. to Da. X.3374 EFC2/T23.5.19. We attach copy of a letter received from Messrs. Smith & Sons, in answer to the letter we despatched to them a day or two ago giving results… | ||
| scan0121 | The electric lighting and starting system for post-war chassis, including dynamo and switchboard specifications. | ||
| View original record | To Col: Harker. From EFC. X.3344 RE ELECTRIC LIGHTING AND STARTING SYSTEM FOR POST-WAR CHASSIS In answer to your enquiry for details of the above. The system will be a 12 volt system. DYNAMO. X.3014… | ||
| scan0122 | Details on electrical connections, battery specifications, starter motor design, and auxiliary apparatus. | ||
| View original record | Contd. -2- the connections provided being only those for the dynamo, battery, head lamps, side lamps, and tail lamp. The additional connections taken from the distribution board will be as follows:-… | ||
| scan0123 | Description of a relay current, gearbox mechanism, motor reduction, and electrical lamp recommendations. | ||
| View original record | Contd. -3- At the same time this relay current passes through magnet coils of an actuator box. The relay current in the coils of the main switch cause the heavy current motor circuit to be closed… | ||
| scan0124 | Telegram discussing the design of junction terminals for the wiring on a 40/50 HP chassis. | ||
| View original record | Mr Clarke X.3374 (2) x.3564 x.1923 COPY OF TELEGRAM SENT TO R. ON MAY 28th REFERENCE WIRING 40/50 HP. CHASSIS CONSIDERATION OF JUNCTION TERMINALS FOR BATTERY LEADS RENDERS NECESSARY DESIGN OF SUITABLE… | ||
| scan0125 | Photostat copies of electrical connection diagrams for the new Lucas dynamo. | ||
| View original record | To Da. from EFC c. to Bv/HBO. X 3374 EFC1/AT28.5.19. X.3374.-RE CONNECTIONS. X.2778. We attach photostat copies of (1) Scheme of electrical connections got out in connection with the R.R. Distributor… | ||
| scan0126 | List of components and reference numbers for the chassis electrical outfit. | ||
| View original record | X. 3374 28.5.19. CHASSIS ELECTRICAL OUTFIT. X. no. Battery. 664 Box. 664 Terminals. 1925 Body lighting etc. 2530 Distribution board. 3555 Fuses. 2515 Dynamo. 294 Cut-out 1815 Regulator 3560 Ignition.… | ||
| scan0127 | Continued parts list for electrical components with corresponding reference numbers. | ||
| View original record | 2815-19. -2- Contd. Starter motor. 543 Actuator box. 3428 Brushes. 2656 Main switch. 3034 Springs. 3082 Switches. Ignition. 805 Klaxon. 1413 Push button. 1069 Wiring. 2641 Terminals. 2448 1925 | ||
| scan0128 | Sales letter from A. Picard proposing a new Paris-Rhone self-starter and lighting set. | ||
| View original record | X.3374 A. Picard. 4, New Burlington Street, LONDON. July, 3rd. 1919. 3 85/DL. Messrs. Rolls-Royce Ltd., Nightingale Road. DERBY. Dear Sirs, X.3611. PARIS-RHONE SELF-STARTERS & LIGHTING SETS. X3374 We… | ||
| scan0129 | Letter regarding the procurement and application of electrolytic vacuum valves. | ||
| View original record | X. 3374. New York. X. 3374 X. 3646. Aug. 28th 1919. Oy8-F28.8.19. EFC from Oy: L Copy CJ. RE ELECTROLYTIC VACUUM VALVE. 1. Replying to yours, EFC1/F9.8.19. I had forgotten that I had promised you a… | ||
| scan0130 | Article from 'Motor Cycling' magazine detailing a new P. and H. lighting dynamo with an innovative slipping-clutch method for regulating output. | ||
| View original record | 434 MOTOR CYCLING September 10, 1919. PULLEY RUNNING ON LARGE BALL RACE FERODO FACED PLATE CLUTCH. Side and end elevations of the new P. and H. lighting dynamo. THE LATEST DEPARTURE IN LIGHTING SETS.… | ||
| scan0131 | Editorial from 'Motor Cycling' magazine discussing the threat of foreign competition in the magneto and motorcycle market. | ||
| View original record | September 10, 1919. MOTOR CYCLING 453 E D I T O R I A L The Danger from Foreign Competition—A Wasted Year. German Magnetos — NOW that restrictions on imports have been removed, it will be well to… | ||
| scan0132 | Letter from F. Hudson & Co. Ltd. promoting their new lighting sets and 'Icarus' Dome Wings. | ||
| View original record | TELEPHONE: HOP 1284 ESTABLISHED 1840 X.3374 F. HUDSON & CO., LIMITED. 234 & 235, BLACKFRIARS ROAD, LONDON, S.E. 1. Your Ref........................... Our Ref S.M.2919. DEPARTMENTS SPECIAL THE… | ||
| scan0133 | Advance information on a new 6-volt lighting set, including generator, battery, and lamp specifications. | ||
| View original record | ADVANCE INFORMATION. Our new Lighting Set consists of the following:- 6 volt specially constructed shunt wound Generator, selfcontained with automatic cutout and totally enclosed in foolproof cast… | ||
| scan0134 | Product information sheet from F. HUDSON AND CO. LTD. regarding cells in Ebonite containers. | ||
| View original record | These cells are in Ebonite Containers and fitted in polished hard wood boxes for mounting on the running board. The cable ends, sockets and connection parts are of ample capacity for the discharge… | ||
| scan0135 | Description of the electrical system for the 40/50 HP Chassis, Series J.K., related to wiring diagram N.1293. | ||
| View original record | X.3374. EFC2/T6.10.19. X.2478 DESCRIPTION OF ELECTRICAL SYSTEM OF R.R. 40/50 H.P. CHASSIS. SERIES J.K. X.3374 Wiring diagram N.1293. (1) GENERAL. The electrical system is an insulated system except in… | ||
| scan0136 | Technical document detailing the starting, ignition, and other electrical apparatus, including the dynamo. | ||
| View original record | Contd. -2- EFC2/T6.10.19. B. STARTING. (f) Motor. (g) Main switch. (h) Actuator Box. (i) Push Button Switch. C. IGNITION. (j) Lucas Junction Box. (k) Steering Column Switch. (l) Ignition Coil and… | ||
| scan0137 | Page describing the 'Rotax Leitner System' for dynamo regulation and the associated Lucas switchbox. | ||
| View original record | Contd. -3- EFC2/T6.10.19. brush placed approximately midway between the other two. If this control brush be removed from the commutator, the dynamo immediately becomes practically a plain shunt wound… | ||
| scan0138 | Description of the internal components and electrical connections of the switchbox and charging switch. | ||
| View original record | Contd. -4- EFC2/T6.10.19. The inside of the switchbox may be inspected by removing the front cover. The charging switch consists of a four point switch, that is to say, a switch which makes contact… | ||
| scan0139 | Explanation of the dynamo's charging circuit operation and fuse provisions. | ||
| View original record | Contd. -5- EFC2/T6.10.19. The operation of putting on the charging switch virtually makes three of the connections from the dynamo, for instance, field control, and negative, into one common… | ||
| scan0140 | Description of the dynamo charging system and operation of the head, side, and tail lamp switches. | ||
| View original record | R.R. 255 A. (100 T) (P.S.F. 846. 6-8-19) G. 2460. Contd. -6- EFC2/T6.10.19. If, however, the dynamo speed should be allowed to fall, and its E.M.F. to drop below that of the battery, a reverse current… | ||
| scan0141 | Page detailing the specifications for an inspection lamp socket, battery, and ammeter. | ||
| View original record | R.R. 255 A (100 T) (S.F. 846. 6. S-19) G. 2460. Contd. -7- EFC2/T6.10.19. There is also included on the Lucas switchbox a socket connection for an inspection lamp connected between the battery… | ||
| scan0142 | Page describing the lamp connections, starter motor specifications, and the electrically operated main switch. | ||
| View original record | Contd. -8- EFC2/T6.10.19. (e) LAMP CONNECTIONS. As already described under switchbox, connections are provided on the Lucas board for the usual lamps, namely two heads, two sides, and one tail, but… | ||
| scan0143 | Description of the electromagnetically operated Actuator Box and the Push Button Switch. | ||
| View original record | Contd. -9- EFC2/T6.10.19. (h) ACTUATOR BOX. The actuator box is also an electromagnetically operated mechanism and its purpose is to draw into gear dogs at the rear end of the gear box, which enable… | ||
| scan0144 | Description of the Junction Box and the Steering Column Switch. | ||
| View original record | Contd. -10- EFC2/T6.10.19. (j) JUNCTION BOX. As the Lucas switchbox does not provide the number of connections that are required for various purposes, there is provided in addition a Lucas junction… | ||
| scan0145 | Description of the ignition switch, coil, ballast resistance, and contact breaker unit. | ||
| View original record | Contd. -11- The upper portion of the switch is included in the battery ignition circuit and therefore in this position neither the magneto or the battery ignition is on. In the "M" position, the… | ||
| scan0146 | Description of the vehicle's electrical system, including the magneto, distributor, and various component connections. | ||
| View original record | Contd. -12- EFC2/T6.10.19. The insulated contact and the insulated side of the condenser are brought out to an insulated terminal on the condenser casing. (n) MAGNETO & DISTRIBUTOR. The magneto fitted… | ||
| scan0147 | Description of the electrical wiring and the function of the ammeter in the charging and discharging circuits. | ||
| View original record | Contd. -13- the junction box to the switchbox by means of two cores of a three core cable, the positive connection passes direct to the positive terminal on the switchbox, the negative connection is… | ||
| scan0148 | Description of the connections for the motor, main switch, actuator box, and push-button switch. | ||
| View original record | Contd. -14- EFC2/T6.10.19. the needle moves, whether the supply is greater than the demand, or vice versa. Using a central zero ammeter, connected in this manner, really tells us more about what is… | ||
| scan0149 | Description of the electrical connections for the Lucas Junction Box and ignition system components. | ||
| View original record | Contd. -15- EFC2/T6.10.19. the other of which goes through the coils of the actuator box and returns to the main positive terminal of the Lucas junction box, and from there back to the battery.… | ||
| scan0150 | Description of the function of fuses on the Lucas junction box in case of an electrical earth fault. | ||
| View original record | Contd. -16- EFC2/T6.10.19. FUSES ON JUNCTION BOX. On the Lucas junction box there are two fuses connecting the main positive and negative terminals to the main positive and negative bus bars… | ||
| scan0151 | Instructions concerning the starter motor relay circuit and the procedure for removing fuses to examine the system. | ||
| View original record | Contd. -17- EFC2/T6.10.191 addition of the starter motor relay circuit. It is to be noted that the lighting is not cut off by either of these two fuses going. If it be desired to examined any portion… | ||
| scan0152 | Suggested points for an instruction book on tracing an electrical earth fault on a 40/50 HP Series J.K. chassis. | ||
| View original record | R.H. 235 A (100 T) (N.F. 846. 6 8-19) G. 2460. -18- 28.10.19. R-R 40/50 HP. CHASSIS. SERIES J.K. SUGGESTED POINTS FOR INCORPORATION IN INSTRUCTION BOOK. L. TRACING AN EARTH. If an earth exists which… | ||
| scan0153 | Guide for troubleshooting electrical earth faults in the ignition and battery systems. | ||
| View original record | Contd. -19- If the system is O.K. as regards the above, and a fuse foes when the battery ignition switch on the steering column is put on, this is due to an earth in one of the connections :- (a)… | ||
| scan0154 | Troubleshooting electrical earth faults and maintenance instructions for the dynamo. | ||
| View original record | Contd. -20- If, when the positive fuse is removed, there is still current indicated but of a more or less reduced amount, it means that there is an earth on one of the following intermediate… | ||
| scan0155 | Instructions for dynamo belt adjustment and Lucas switchbox fuse maintenance. | ||
| View original record | -21- Contd. these now an again which can be done by removing the end cover of the machine. In the time the brushes will wear down and it may be necessary to increase the spring pressure step by step,… | ||
| scan0156 | Instructions for the Weston Ammeter and maintenance procedures for the starter motor, including lubrication, brushes, and chain adjustment. | ||
| View original record | Contd. -22- can be absolutely proved to be working incorrectly. 5. WESTON AMMETER. We have already described under connections of battery junction box, switchbox and ammeter, pp 12 and 13, how the… | ||
| scan0157 | Instructions and warnings for the operation of the vehicle's lamps and main switch. | ||
| View original record | Contd. -24- (7) LAMPS. Never attempt to run any portion of the electrical apparatus on the chassis by current generated by the dynamo without a battery in position on the chassis and properly… | ||
| scan0158 | Instructions for the Lucas Junction Box fuses and the Contact Breaker & Distributor. | ||
| View original record | Contd. -25- (9) LUCAS JUNCTION BOX. FUSES. These two fuses are provided as a protection against short circuits on those portions of the system where these are most likely to occur. Replacement fuses… | ||
| scan0159 | Instructions for setting the points on a high tension distributor. | ||
| View original record | Contd. -26- occasionally to touch up these points very carefully with a fine file, care being taken not to remove any more platinum than necessary. In setting the points the maximum gap opening should… | ||
| scan0160 | The dispatch of the Electrical System Description for the 40/50 HP Chassis, Series J.K. | ||
| View original record | X.3374 To Col, Harker, from EFC. EFC1/S30.3.20. X.995, INSTRUCTION BOOK. X.3377 Herewith please receive three copies of Description of Electrical System of R-R 40/50 H.P. Chassis, Series J.K. referred… | ||
| scan0161 | Letter from Rotax Motor Accessories Co. Ltd. offering a sample of their Dynamo Lighting and Starting Equipment for testing. | ||
| View original record | X.3374 THE ROTAX. MOTOR ACCESS. CO. LTD. Willesden Junction, London N.W.10. RWC/JM. 7th May, 1920. Messrs. ERolls-Royce Ltd., Nightingale Road, Osmaston Road, Derby. Dear Sirs, X.1005. Re Dynamo… | ||
| scan0162 | Letter from Rotax Motor Accessories Co. Ltd. regarding the specifications of an A.T. 12, 12-volt, 10-amp Dynamo. | ||
| View original record | X 3374 R.R. 235a (100 T) (S. G. 643, 19-2-20) G 2618 THE ROTAX, MOTOR ACCESS. CO. LTD. Willesden Junction, London, N.W.10. RWC/JM. 12th May, 1920. Messrs. Rolls-Royce Ltd., Nightingale Road, Derby.… | ||
| scan0163 | Supply and repair of electrical parts for post-war chassis. | ||
| View original record | To. Wor. from Hm. c. to BY c. to Bl. c. to EP. c. to Hs. EFE X.3374. Hm/CI21/S13.5.20. X.3374 Supply and Repair of Electrical Parts. As it has now been decided that we confine our supplies to complete… | ||
| scan0164 | Listing various electrical parts for supply and repair. | ||
| View original record | Memo. Hm/C121/S13.5.20. Supply and Repair of Electrical Parts. (1) STARTING MOTOR which [handwritten above strikethrough] comprises the motor complete with the Epicyclic Gear and driving wheel.… | ||
| scan0165 | Letter from Weston Electrical Instrument Co. Ltd. promoting their Model 280 Garage Testing Set. | ||
| View original record | x3374 WESTON ELECTRICAL INSTRUMENT CO. LTD. Audrey House, Ely Place, Holborn. LONDON E.C. 1. x.3374 x.1782 June, 9th 1921 Dear Sirs:- We have pleasure in enclosing a booklet describing the Weston… | ||
| scan0166 | Technical report on a 6-cylinder Delage chassis and its engine specifications. | ||
| View original record | x.3374 To Rt from Hs. c. to CJ. c. to Bn. c. to E. c. to Da. c. to By. Hs2/LG23.7.20. X.3500. RE DELAGE .CAR. Mr. Cowan has been able to obtain on loan a 6-cylinder Delage chassis. We have had this at… | ||
| scan0167 | Engine performance data (Revolutions vs Horsepower) and an analysis of the car's S.E.V. electrical equipment. | ||
| View original record | Contd. -2- Hs2/LG23.7.20 REVS. HP. 500 12.86 750 14.47 1000 18.76 1250 22.07 1500 23.08 1750 24.59 2000 23.44 2250 18.50 ELECTRICAL EQUIPMENT. X.3374 The whole of the electrical equipment on the car… | ||
| scan0168 | Letter from E.G. Ford requesting wiring diagrams for 1920 models for inclusion in a book. | ||
| View original record | [Handwritten top centre] X.3374 [Faint text top right] S122(G) 100-2-21 C.P. & S. (T 931) A652/3/21 COPY. 41 Haslemere Road, Seven Kings, Essex. 28th July, 1920. -.Fowler-Clark, Esq., Messrs.… | ||
| scan0169 | Historical consideration of a combined starter and dynamo versus two separate machines. | ||
| View original record | x3374 To EFC. from Da. c. to Hs. c. to En. Da3/CB17.11.20. X.543. X.950. X.3374. X.294. X.4316. - Re Combined Starter and Dynamo. With reference to your EFC3/T17.11.20, I have not yet seen the blue… | ||
| scan0170 | Suitability and past experience with Bijur electrical equipment for the Goshawk B engine. | ||
| View original record | X3374 To Wor. from EFC. c. Wd. EFC1/AT30.11.20. X.3231. X.1058. BIJUR ELECTRICAL EQUIPMENT. FOR GOSHAWK. B. X.42B. X.3374. X.3580. We are only aware of the production of by Bijur of Lighting &… | ||
| scan0171 | Developing a 12-volt Vibrator Regulator Control system and comparing it with a Bijur generator. | ||
| View original record | Contd. -2- not seem to work as well at this voltage. This we consider is merely due to lack of experience on their part in operating on this principle at this voltage. Fundamentally we see no reason… | ||
| scan0172 | Continued memorandum comparing the material and labour costs of the current electrical system against the post-war Bosch system. | ||
| View original record | Contd. -3- EFC1/AT30.11.20. The Cost Dept. are, however, at the present moment finding out for us the comparative cost of material and labour, excluding the cost of fitting, for our present electrical… | ||
| scan0173 | Description of the design and components of the Bleriot-Phi starting and lighting equipment. | ||
| View original record | X.3374 R.R. 555A (100 T) (S.H. 798, 10-12-20) G. 2947 COPY. Typed 25.2.21. THE LATEST BLERIOT-PHI STARTING AND LIGHTING EQUIPMENT. The design of this equipment has been influenced solely by… | ||
| scan0174 | Description of a dynamo's construction and output control system, including details on windings and voltage regulation. | ||
| View original record | -2- Contd. shown in Fig.2. from which it will be seen that only one field coil is used. The whole of the magnetic circuit, with the exception of the portion on which the excitation coils are wound, is… | ||
| scan0175 | Description of the voltage regulator operation for the dynamo charging system. | ||
| View original record | -3- Contd. This voltage regulator is adjusted to come into operation at 16 volts. The result is an arrangement whereby the dynamo output is controlled entirely by the demagnetising action of the… | ||
| scan0176 | Description of a voltage regulator circuit and its components for controlling dynamo output and battery charging. | ||
| View original record | R.R. 825a (100 T) S.H. 798. 16-12-20) G. 2947 -4- Contd. is to reduce the number of demagnetising series turns, and, as a result, to increase the output of the dynamo. The actual results obtained from… | ||
| scan0177 | Page describing the voltage regulation, dynamo specifications, and the starter motor. | ||
| View original record | M.R. 259A (100 T) (S.H. 798. 10-12-20) G. 2947 -5- Contd. a certain value. 2. The voltage regulation allows the lamps and other apparatus to be operated by the dynamo only, so that, even if the… | ||
| scan0178 | Technical description of two starter motor types and the vehicle's electrical switchboard. | ||
| View original record | R.R. &Co. (100 T) S.H. 799. 10-12-20. G. 2947 -6- Contd. difficulty. The question of electrical-mechanical efficiency, has received special attention so that the Starter is able to deal with a large… | ||
| scan0179 | Description of the relay switch, its solenoid operation, and the earthed return wiring system. | ||
| View original record | H.R. 256A (100 T) (S.H. 798, 10-12-20) G. 2547 -7- Contd. Relay Switch. This switch shown in Section Fig. 10a (an external view is given in Fig. 10) closes the starter circuit and, as the current… | ||
| scan0180 | Page detailing the starter circuit, earth return, and lamp terminal connections. | ||
| View original record | R.R. 884a (100 T) (S.H. 798. 10-12-20) G. 2347 -8- Contd. than the usual metal armouring. The starter circuit does not employ an earth return as the conductivity of the chassis cannot be relied upon… | ||
| scan0181 | The state of electrical accessories, comparing Delco and American Bosch, and considering in-house production. | ||
| View original record | To OJ. from R. c. to BJ. c. to PN. c. to C. c. to EFC. c. to R.R. of America Inc. (For the attention of OJ). X.3374 R5/C9.4.21. X.3374 - RE ELECTRICAL ACCESSORIES OTHER THAN MAGNETOS AND ACCUMULATORS.… | ||
| scan0182 | Leaflet from the National Carbon Co. on locating starting motor troubles. | ||
| View original record | X. 3374 M & S 100 T(S.H. 798, 10-12-20) G. 2948 EFC. from Wd. Wd9/NJ20.4.21. Locating Starting Motor Troubles. I send you herewith a leaflet issued by the National Carbon Co.Inc.,Cleveland, Ohio,… | ||
| scan0183 | Promotional and informational pamphlet for Pyramid brand starting and lighting brushes. | ||
| View original record | PYRAMID Starting and Lighting Brushes Pyramid Brushes reduce starting and lighting troubles to a minimum because they are made and designed for the particular service to which they are appplied. The… | ||
| scan0184 | Troubleshooting chart for locating automobile starting and lighting faults. | ||
| View original record | X. 3374 Chart for Locating Automobile Starting and Lighting Troubles STARTING MOTOR TROUBLES Test Procedure Case I—Starting motor shows no life whatever. 1. Turn on the lights and try starter. If… | ||
| scan0185 | Arranging a visit to various firms to discuss electrical equipment and manufacturing processes. | ||
| View original record | X.3374. To Wor. from EFC. c. Wd. c. By. c. Da/Thr. c. Da. EFC1/T21.4.21. X.3374 RE VISIT IN CONNECTION WITH ELECTRICAL EQUIPMENT. I have made arrangements that Mr. Brock and myself visit the Works of… | ||
| scan0186 | Tender from Officine Elettro-Meccaniche for motor car electric lighting and starting gears. | ||
| View original record | MOD. 230 Per Telegrammi: "MECCANICHE,, RIVAROLO LIGURE OFFICINE ELETTRO-MECCANICHE Soc. Anon. Capitale L.4.000.000 inter. versato RIVAROLO LIGURE SEDE IN GENOVA UFFICIO PER LA LOMBARDIA MILANO - VIA… | ||
| scan0187 | Letter from an Italian firm about electric lighting and starting sets for cars. | ||
| View original record | H.R. 136a (100 T) (S.H. 798.10-12-20) G. 2948 EFC. from Wd. X 3374 Wd3/NJ14.6.21. X 3374 Officine Elettro-Meccaniche, Rivarolo Ligure, Italy. I send you herewith a letter from this firm, dated 6th… | ||
| scan0188 | Declining interest in a lighting and starting set from Officine Elettro-Meccaniche. | ||
| View original record | R.R. 285A (100 T) S.H. 798. 10-12-20. G. 2947 X 3374- To Wd. from EFC. EFC3/T15.7.21. X.3374 - KIGHTING & STARTING SET OF THE OFFICINE ELETTRO-MECCANICHE. Answering your enquiry, we cannot say that we… | ||
| scan0189 | Cover note requesting a review of an attached letter regarding the Aspden Flywheel Dynamotor. | ||
| View original record | H. R. 738a (40 T) (S.H. 986, 19-2-21) G. 3000 X.3374 EFC. Rg5/W6. 9. 21. Re Aspden Flywheel Dynamotor. Would you kindly read through the attached letter and let me know if you think there is anything… | ||
| scan0190 | From EFC to Rg discussing the 'Aspden' flywheel dynamotor and the potential of electrical systems in motor cars. | ||
| View original record | X.3374 To Rg. from EFC. EFC4/T7.9.21. X.3374 - THE "ASPDEN" FLYWHEEL DYNAMOTOR. In answer to your Rg5/W6.9.21, I have often thought that present practice in the application of electric starter and… | ||
| scan0191 | Car design considerations and returning papers on the Aspden Flywheel Dynamotor. | ||
| View original record | Contd. -2- EFC4/T7.9.21. that some of the leading manufacturers in this country have not been [handwritten: sufficiently] pioneering to place on the market a car of this description. I am aware that… | ||
| scan0192 | Letter offering the sole agency for a German-manufactured motor car self-starting and lighting set. | ||
| View original record | ON ADMIRALTY LIST. CONTRACTORS TO THE WAR OFFICE & G.P.O. THE ELECTRICAL ENGINEERING & EQUIPMENT Co., LTD. Managing Director: CHAS. LEVEN, M.I.E.E. Telephones: 133, 7058 GERBARD. Telegrams:… | ||
| scan0193 | Extract concerning the standardisation sheets for the 40/50 chassis electrical equipment, specifically about dynamo regulation. | ||
| View original record | X3374 Extract from EFC3/T22.6.22. X.4899. RE STANDARDISATION SHEETS FOR 40/50 CHASSIS ELECTRICAL EQUIPMENT. X.4165. X.294. X.3374. "In passing, it has always appeared to us that so long as an… | ||
| scan0194 | Response to an enquiry regarding the modification of an electrical system from double pole to single pole connections for lamps. | ||
| View original record | PN. from EFC. X. 3374 EFC1/LG4.12.22. X.3374- RE. ENQUIRY FROM MESSRS. J.W.ATHA & CO. X.4087 Answering your PN11/DN30.11.22, or rather the attached letter, it is certainly not impossible to fit lamps… | ||
| scan0195 | The merits of single pole versus semi-earthed electrical systems. | ||
| View original record | contd:- -2- earth can occur on one side without upsetting the system. The single pole system is undoubtedly preferable on the score of simplicity and if correctly carried out, should be always quite… | ||
| scan0196 | Advantages of a semi-earthed chassis electrical system. | ||
| View original record | X3374 To R & E. from EFC. c. CJ. & PN. c. By. & EP. c. Rg. & Da. EFC1/T5.12.22. X.3374 - CHASSIS ELECTRICAL SYSTEMS. We think there is a good deal to be said for what might be called a semi-earthed… | ||
| scan0197 | The implementation of an emergency fuse for lamp circuits and the merits of a semi-earthed system. | ||
| View original record | Contd. -2- EFCl/T5.12.22. are no fuses in the lamp circuits so that an emergency fuse would be provided for these circuits by converting the lamps to single pole and returning the lamp currents to… | ||
| scan0198 | Emergency fuses and inspection lamp arrangements for the Goshawk system. | ||
| View original record | Contd. -3- EFC1/T5.12.22. Further points that have occurred to us. (1) The emergency fuse on the Goshawk system as at present need to be of large current carrying capacity, so as only to go in extreme… | ||
| scan0199 | Proposal of a 'semi-earthed electrical system' for the E.A.C. chassis. | ||
| View original record | X3374 To R & E. from EFC. c. CJ. & BJ. c. BY. EP. DA. c. Wor. CK. EFC4/T24.10.23. X.9960 - E.A.C. CHASSIS ELECTRICAL SYSTEM. X.3374. X.9560. X.4087 We should like again to put before you for your… | ||
| scan0200 | Page discussing the pros and cons of using a negative fuse in an automotive electrical system. | ||
| View original record | Contd. -2- EFC4/T24.10.23. (1) Battery ignition current may be used, passing to earth in the usual and simpler way. (2) Single pole lamps and lamp fittings may be used with their element of… | ||
| scan0201 | Comparison of vehicle electrical systems, detailing the disadvantages and differences in fusing and wiring. | ||
| View original record | Contd. -3- EFC4/T24.10.23. The same can also apply to the body lights, if desired, and as regards its applicability to the Horn circuit, it seems immaterial to which side of the fuse the current… | ||
| scan0202 | Forthcoming diagram for adapting Goshawk units to the E.A.C.II system. | ||
| View original record | Contd. -4- EFC4/T24.10.23. A special diagram of connections will shortly be sent, showing the adaptation of the Goshawk units to this system, applicable to E.A.C.II, though units more suited to this… | ||
| scan0203 | Diagram of a semi-earthed electrical system. | ||
| View original record | [ "DIAGRAM OF SEMI-EARTHED ELECTRICAL SYSTEM", "A.", "DISTRNG FUSES.", "CHARGING SWITCH", "FIELD FUSE", "DYNAMO", "F", "+", "-", "INSP LAMP PLUG SOCKET", "INSTR LAMP", "CUT-OUT", "Sh", "Se", "STARTER… | ||
| scan0204 | Proposed semi-earthed electrical system for Goshawk units. | ||
| View original record | x 3374 To R & E. from EFC. c. CJ. c. EY. EP. EFC1/T29.10.23. X.9060 - SEMI-EARTHED ELECTRICAL SYSTEM WITH GOSHAWK UNITS SUGGESTED FOR E.A.C. x 3374 Herewith please find small photostat diagram which… | ||
| scan0205 | Wiring diagram for vehicle electrics, including the starter motor, battery, and lighting circuits. | ||
| View original record | Front Relay operated switch Starter Motor Black 80/25 Third starter relay circuit to frame Third 'Ignition' to frame Third 'Hed' lamps to frame Third 'Side' & 'Tail' lamps to frame Blue 40/36 Red &… | ||
| scan0206 | Secret memo from 'R' to 'EFC' discussing the re-wiring scheme for Goshawk and E.A.C.I. models. | ||
| View original record | X3374 To EFC. from R. S E C R E T. RB/M12.11.23. X.9660. RE WIRING OF 40/50 GOSHAWK & X3274 X4087 X9560 E.A.C.I. II. & III. All these should be alike - a complete earth system like Goshawk. I agree… | ||
| scan0207 | Article from 'The Autocar' magazine reviewing the design of electric lighting and starting systems for 1924. | ||
| View original record | X 3374 THE AUTOCAR, November 9th, 1923. 987 ELECTRIC LIGHTING AND STARTING SYSTEMS A REVIEW OF DESIGN IN 1924 Undoubtedly the great increase in the number of owner-drivers, and particularly of women… | ||
| scan0208 | Review of electric lighting and starting systems from various manufacturers. | ||
| View original record | 988 Electric Lighting and Starting Systems. The economical employment of the available current generated, permits of smaller and lighter dynamos and batteries being used without in the least impairing… | ||
| scan0209 | Review from 'The Autocar' magazine on electric lighting and starting systems from Ducellier, Lucas, M.C.L., Miller, and P. & H. | ||
| View original record | THE AUTOCAR, November 9th, 1923. 989 Electric Lighting and Starting Systems which lie flush with the circumference of the generator carcase, and are thus immediately removable when required. Another… | ||
| scan0210 | Article from 'THE AUTOCAR' magazine reviewing electric lighting and starting systems for motor cars. | ||
| View original record | 990 THE AUTOCAR, November 9th, 1923. Electric Lighting and Starting Systems. [Column 1] tors, of the cylindrical pattern, are also manufactured as separate units, in various types, concentric or… | ||
| scan0211 | Page from 'THE AUTOCAR' magazine detailing 1924 model engines and electrical systems from various manufacturers. | ||
| View original record | THE AUTOCAR, November 9th, 1923. former being the ready detachment of the main fuses, whilst the lay-out of the wiring is also commendable for its straightforwardness. SMITH. (463) Examination of the… | ||
| scan0212 | 'Small Car Talk' column from The Autocar magazine discussing early automotive innovations. | ||
| View original record | 992 THE AUTOCAR, November 9th, 1923. SMALL CAR TALK BY "RUNABOUT" WIRELESS AND THE CAR. THE owner of a 1919 model 9.5 h.p. Standard applauds the manufacturers for putting up their 12v. accumulator in… | ||
| scan0213 | Explanation of the output characteristics of a battery-controlled third brush generator. | ||
| View original record | COPY. X3374. 0. EFC1/T2.12.25. X.294. EXPLANATION OF OUTPUT CHARACTERISTICS OF BATTERY X.3374 CONTROLLED THIRD BRUSH GENERATOR BY WHICH A RISE OF VOLTS AND A RISE OF AMPERES TAKE PLACE SIMULTANEOUSLY… | ||
| scan0214 | Technical explanation of the characteristics of an external electrical circuit and a shunt wound generator. | ||
| View original record | -2- contd. In a similar way an external circuit containing a back E.M.F. in addition to a pure resistance has a character-istic represented by some such line as K, showing a voltage when there is no… | ||
| scan0215 | Technical explanation of the characteristics of a shunt wound machine for battery charging. | ||
| View original record | -3- contd. With an ordinary shunt wound machine these characteristics are such, for instance, not crossing one another at all, that whatever the characteristic of the external circuit, increase of… | ||
| scan0216 | Technical explanation of generator characteristics, shunt wound machines, voltage, and amperage. | ||
| View original record | -4- contd. This will give us a characteristic such as C, cutting the generator characteristic at T, both the volts and amperes being increased. All the above is with reference to the plain shunt wound… | ||
| scan0217 | Page discussing the characteristics of generators, particularly third brush machines, and their interaction with external circuits. | ||
| View original record | -5- contd. where it has a characteristic of simultaneously rising volts and amperes, provided the characteristics of the external circuit are such as to prevent the volts and amperes from becoming… | ||
| scan0218 | The performance characteristics of generators and their interaction with batteries and external circuits. | ||
| View original record | -6- contd. the performance of generators it is very important to compare them on the same external circuit characteristic. It may be considerably different on two similar size batteries if they have… | ||
| scan0219 | Explanation of volt-ampere and battery characteristics at low speeds in a charging generator. | ||
| View original record | -7- contd. It will also be understood that at low speeds where the volt-amphere characteristic has not yet grown large enough to intersect the battery characteristic in its lower portion, the… | ||
| scan0220 | Volt-ampere characteristic curve diagram for a shunt machine. | ||
| View original record | DIAGRAM 1 VOLT-AMPERE CHARACTERISTIC SHUNT MACHINE. VOLTS AMPERE. L K C B Q R P T S 0 | ||
| scan0221 | Hand-drawn graph showing the Volt-Ampere characteristics of a controlled machine. | ||
| View original record | VOLTS AMPERES U 2 3 4 5 6 7 External circuit characteristic. DIAGRAM 2. VOLT AMPERE CHARACTERISTICS CONTROLLED MACHINE. | ||
| scan0222 | Introducing notes on the various possibilities of dynamo-battery combinations and potential improvements to the electrical system. | ||
| View original record | To R. from EFC. c. RJ. PN. CWB. c. H. Wor. By. c. EP. Rg. Hm. c. Hs. Oy. MA. X3374 EFC3/T16.6.26. THE DYNAMO-BATTERY COMBINATION OF A CHASSIS ELECTRICAL SYSTEM. X8780 Please find attached copy of some… | ||
| scan0223 | Development of an automatic voltage-operated cutout for a dynamo system. | ||
| View original record | To R. ( Contd) -2- EFC3/T16.6.26. It will have been noted that the general question or problem has also been referred to by PN. in his PN13/DN9.6.26, which contains a definite suggestion that "it… | ||
| scan0224 | Report page discussing ignition ballast resistance characteristics and observations on battery charging E.M.F. | ||
| View original record | EFC3/T16.6.26. -3- Contd. resistance of the same characteristics as ignition ballast resistance is more suitable than a resistance of the invariable type, in that whereas the latter allows the reduced… | ||
| scan0225 | Typed memorandum discussing the internal resistance, E.M.F., and charging characteristics of batteries. | ||
| View original record | EFC3/T16.6.26. -4- Contd. E.M.F. is only, after all, about twice as great as it works out to be on the high rate discharge, so that in truth the actual true internal resistance of the battery does not… | ||
| scan0226 | Explaining the functioning of dynamo-battery combinations in chassis electrical systems. | ||
| View original record | EFC1/T12.6.26. THE FUNCTIONING OF THE DYNAMO-BATTERY COMBINATION OF A CHASSIS ELECTRICAL SYSTEM. SO-CALLED INHERENTLY REGULATED DYNAMO SYSTEMS. The majority of motor vehicles now-adays are provided… | ||
| scan0227 | Continued page describing the working conditions and potential faults in a dynamo-battery charging circuit. | ||
| View original record | EFC1/T12.6.26. -2- Contd. The main field winding is arranged to suit this lower working voltage and would of itself be capable at that voltage of causing to pass through the armature the greater flux… | ||
| scan0228 | Page discussing the effects of poor connections and resistance within the dynamo-battery charging circuit. | ||
| View original record | EFC1/T12.6.26. -3- Contd. The development of such poor connections may allow the dynamo terminal voltage and ampere output to rise simultan-eously. The dynamo will be subject to a total increase of… | ||
| scan0229 | Continued discussion on the inherent defects and principles of dynamo-battery systems. | ||
| View original record | EFCL/T12.6.26. -4- Contd. will depend, amongst other things, on the internal resistance of the battery and on the first group of connecting wires mentioned. The above are merely given as examples. The… | ||
| scan0230 | Technical description of completely externally regulated dynamo systems for a vehicle chassis. | ||
| View original record | EFC1/T12.6.26. -5- Contd. COMPLETELY EXTERNALLY REGULATED DYNAMO SYSTEMS. The ideal chassis electrical system in so far as the dynamo-battery combination is concerned is one in which that combination… | ||
| scan0231 | The design principles of an external regulator for managing dynamo output and system voltage. | ||
| View original record | EFCL/T12.6.26. -6- Contd. in such a manner that the voltage at the station rose so much for each ampere of current demanded, in order that it should remain constant on the mains, and in the present… | ||
| scan0232 | Description of regulating a dynamo's field current using resistance, vibrating contacts and electro-magnetic windings. | ||
| View original record | EFC1/T12.6.26. -7- Contd. The well known examples of such systems are those in which regulation of the field current is brought about by periodically inserting into and withdrawing from, or varying… | ||
| scan0233 | Battery charging systems, dynamos, and field current regulation. | ||
| View original record | EFCL/T12.6.26. -8- Contd. It is clear that if this function is controlled to this value the battery (in the absence of other load) must receive a tapering charge, only receiving 4 amperes when its… | ||
| scan0234 | Compromise design for dynamo systems, involving field resistance to regulate output. | ||
| View original record | Contd. -9- COMPROMISES BETWEEN THE TWO EXTREME TYPES OF DYNAMO SYSTEM. One such compromise of a comparatively simple nature, which was sometime back mentioned in our EFC3/T22.6.22, is to utilise the… | ||
| scan0235 | Compromise dynamo system using an electromagnetically operated relay switch for the field excitation circuit. | ||
| View original record | Contd. -10- EFCL/T12.6.26. One other case only of a compromise between the two systems will here be referred to, but one which would appear to be an extremely satisfactory compromise between the two… | ||
| scan0236 | Description of the operation of the automatic dynamo charging system and relay unit. | ||
| View original record | Contd. -11- EFC1/T1 2.6.26. reversely effective as compared with that of the volt coil. There is of course the usual automatic cut-in and cut-out in addition to this relay unit. Supposing for the… | ||
| scan0237 | Description of the operation of an automatic electro-magnetic switch in a vehicle's battery charging system. | ||
| View original record | EFC1/T12.6.26. -12- Contd. charging rate is reduced by the automatic switch, and if the load switched on is of sufficient magnitude, e.g. the head lamp load, the effect this will have on the… | ||
| scan0238 | The utility and correct connection of a voltmeter on the chassis electrical system. | ||
| View original record | X8780 MP EFC2/T21.8.26. UTILITY OF A VOLTMETER ON THE ELECTRICAL SYSTEM. It has been suggested that were we provided with a fairly accurate voltmeter on the chassis electrical system, trouble due to… | ||
| scan0239 | Battery charging conditions, voltage monitoring, and the development of automatic charging controls. | ||
| View original record | Contd. -2- EFC2/T21.8.26. Under steady conditions of charging the battery, i.e. at constant current at normal rate, its terminal P.D. would gradually rise to an ultimate figure in the neighbourhood of… | ||
| scan0240 | The merits of using a voltmeter versus an ammeter for monitoring a vehicle's electrical system. | ||
| View original record | Contd. -3- EFC2/T21.8.26. Another point against the use of the voltmeter is that where the driver has sufficient technical knowledge satisfactorily to interpret the indications, with a view to proper… | ||
| scan0241 | Description of the functioning of the dynamo-battery combination in a chassis, focusing on the self-regulated type dynamo. | ||
| View original record | X3374 EFC5/T1.4.9.26. THE FUNCTIONING OF THE DYNAMO BATTERY COMBINATION OF A CHASSIS. (SELF REGULATED TYPE DYNAMO). Our chassis are provided each with a dynamo-battery combination for maintaining the… | ||
| scan0242 | Continued explanation of dynamo-battery charging circuit principles, focusing on the effects of poor electrical connections. | ||
| View original record | Contd. -2- EFC5/T14.9.26. efficiently) in the ordinary condition in which, for some given speed, an increase of ampere load is accompanied by a fall of voltage. The controlled dynamo is only in this… | ||
| scan0243 | Managing resistance in the dynamo-battery circuit and maintaining battery health. | ||
| View original record | Contd. -3- EFC5/T14.9.26. Secondly, the resistances in the dynamo-battery circuit must, even though sound, be kept down to a minimum. For instance, in the design of the battery its internal resistance… | ||
| scan0244 | Analysis of the dynamo-battery charging circuit, its current path, and potential points of failure. | ||
| View original record | Contd. -4- The current path from the commutator under the negative brush via the cutout contacts and the series coil to earth, and also that between the switchbox and the positive terminal of the… | ||
| scan0245 | Two-column list detailing electrical wiring connections and circuits for components like the dynamo, distribution box, and cutout. | ||
| View original record | EFC5/T14.9.26. -5- Contd. Dash to earthing bolt of distribution box. Earthing bolt to cutout series coil. Cutout series coil and metal frame-work of cutout to moving lever. Cutout contact points.… | ||
| scan0246 | List of electrical connections and a discussion on potential failure points in the dynamo-battery circuit. | ||
| View original record | Contd. -6- EFC5/T14.9.26. Dist. box fuse No.8. Two terminals and two fuse pressure connections. Wire from dist. box to battery. Connection of positive wire to battery terminal. Cell to cell… | ||
| scan0247 | Letter from M.C.L. and Repetition Ltd to Mr. Fowler Clark regarding potential business for electrical gear and aeroplane engine parts. | ||
| View original record | TELEPHONE: BLACKHEATH 1115 (2 LINES) TELEGRAMS: "KARLYTEKO, LANGLEYWORCS" M(CXL) REG. TRADE MARK. THE SOCIETY OF MOTOR MANUFACTURERS & TRADERS THE MOTOR TRADE ASSOCIATION M.C.L. AND REPETITION LTD… | ||
| scan0248 | Letter to Mr. E. Leighton of Messrs. M.C.L. & Repetition Ltd., apologising for a delayed response and discussing a potential meeting. | ||
| View original record | X. 3374 EFC5/T. 9th June, 1927. Mr. E. Leighton, Messrs. M.C.L. & Repetition Ltd., 17/19 Cockspur Street, S.W.1. Dear Mr. Leighton, Sorry not to have answered your letter before, but I have been and… | ||
| scan0249 | Notes on correspondence with Mr. H.C. Myers regarding the adoption of the single-wire electrical system versus the double-wire system. | ||
| View original record | X3374 6.4.27. NOTES ON THE CORRESPONDENCE WITH Mr.H.C.MYERS. The adoption of the single-wire system on both our 20 HP - and Phantom - chassis has been largely for reasons of simplicity and simplicity… | ||
| scan0250 | Head-lamp failure, comparing the standard fuse system with a proposed buzzer alternative. | ||
| View original record | -2- Contd. Mr. Myers experience of head-lamp failure is unfortunate, but the conditions under which it occurred are probably not comparable with those obtaining on an R.R. car. It is better practice… | ||
| scan0251 | The ignition problem for the 20 HP chassis, considering stand-by options and dual ignition systems. | ||
| View original record | -3- The ignition problem on the 20 HP. R.R. chassis was that of arranging a stand-by ignition mainly in case of unavoidable failure of battery which might occur in certain circumstances of use. Coil… | ||
| scan0252 | Notes on the advantages of the R.R. Electrical System, incorporating the R.R. type of auto charge control switch. | ||
| View original record | C O P Y. X3374. 9th December, 1927. NOTES ON THE ADVANTAGES OF THE R.R.ELECTRICAL SYSTEM INCORPORATING THE R.R. TYPE OF AUTO CHARGE CONTROL SWITCH. The advantages of the R.R. type of auto charge… | ||
| scan0253 | The functionality and arrangement of auto switches for battery charge control. | ||
| View original record | -2- Contd. (2) Whether an auto switch unit of any kind is or is not incorporated in the system, and when the dynamo is not running, it reduces the possibility of the battery discharging through the… | ||
| scan0254 | Page detailing the advantages of specific battery ignition testing procedures and operational modes for the car's electrical system. | ||
| View original record | -3- Contd. It will be an advantage when testing the battery ignition to have the lower battery voltage resulting from the battery not being on charge. Further, it will be an advantage to have a… | ||
| scan0255 | List of advantages of the R.R. type auto charge control switch over the Midgley auto switch. | ||
| View original record | -4- Contd. The use of the R.R. type of auto charge control switch is an advantage over the type represented by the Midgley auto switch because:- (11) It dispenses with the series coil. (12) It… | ||
| scan0256 | The advantages of dispensing with the series coil and using rigid contacts in an electrical system. | ||
| View original record | -5- Contd. It is an advantage to dispense with the series coil because:- (111) Of simpler design. (112) The elimination of the series coil carrying negative ampere turns due to a portion of the… | ||
| scan0257 | Dynamo brush wear, low-frequency vibration, and battery charging methods. | ||
| View original record | -6- Contd. (132) If, as is practically the case, the dynamo runs alternately at full output and then at no output, the total wear on the brushes is less in this way than if that machine were running… | ||
| scan0258 | Continued discussion on battery charging, automatic refilling, and maintenance. | ||
| View original record | -7- Contd. filled automatically not quite fully whenever necessary in much the same way that water is replaced, not quite filling the tank, in a water supply tank, the level of the water of which is… | ||
| scan0259 | Cover memo for a report on the electrical system of the Chrysler car. | ||
| View original record | X.3374 To R. from EFC. c. BJ. SG. c. E. EFC4/T15.1.29. CHRYSLER ELECTRICAL SYSTEM X4012 Please find attached copy of report PD.36 on Electrical System of the Chrysler car. EFC. Encl. | ||
| scan0260 | Technical description of the Chrysler electrical system. | ||
| View original record | PD.36. EFC. CHRYSLER ELECTRICAL SYSTEM The electrical system on this car is of Delco-Remy manufacture, and operates on a six-volt supply, with a single insulated wire circuit; the positive terminal of… | ||
| scan0261 | Description of the coil, distributor, lighting controls, and current limiters. | ||
| View original record | -2- Contd. Coil, contact breaker and Distributor. The distributor and automatic advance mechanism are mounted on the cylinder head; the contact breaker having a three-lobe cam and two contact levers.… | ||
| scan0262 | Specifications for the 6-volt electrical system of the S.S. Phantom II. | ||
| View original record | X 3374 7.5.29. 6-VOLT ELECTRICAL SYSTEM FOR S.S. (PHANTOM II) BATTERY. Three cell battery of ampere-hour capacity 130. AMMETER. Range 30-0-30 amperes. IGNITION. Ballast:- Old standard single. Coil:-… | ||
| scan0263 | Specifications document for electrical components including cutouts, fuses, low-tension wiring, and starter motors. | ||
| View original record | -2- Contd. CUTOUT: Present shunt winding 2800 turns of 36 S.W.G.(.0076) " series " 44 turns of 15 S.W.G. (.072) For half voltage we require 1400 turns of 32 S.W.G. (.0108") 22 turns of 12 S.W.G.… | ||
| scan0264 | Proposed design for a 16 slot, 6-volt armature for S.S. | ||
| View original record | PROPOSED 16 SLOT 6 VOLT ARMATURE FOR S.S. 16 SLOTS. 74 + 16 SWG WIRES .612" .715" .210" .242" .273" .203" | ||
| scan0265 | Proposed design for a 24-slot, 6-volt armature for 'S.S.', including dimensional drawings and wire gauge calculations. | ||
| View original record | PROPOSED 24 SLOT 6 VOLT ARMATURE FOR S.S. .526" .462" .210" .242" .160" .115" 24 x 8 = 192 conductors. 24 Slots. 16 SWG Wire 24 x .160 = 3.84" Try 14 & 15 S.W.G. | ||
| scan0266 | The arrangement and necessity of fuses in dynamo circuits and distribution board connections. | ||
| View original record | To R. from EFC. c. to CJ. c. to E. c. to Bn. c. to Da. X.2515 EFC1/AT19.8.19. X.2515. RE FUSES IN DYNAMO CIRCUITS X.3555. DISTRIBUTION BOARD CONNECTIONS. Referring to Lec.1125 Distribution Board… | ||
| scan0267 | Practice of placing a fuse in a dynamo's field circuit to prevent overheating. | ||
| View original record | Contd. -2- EFC1/AT19.8.19. It is also the practice of the C.A.V. and Smith people to place a fuse in the field circuit only. This we take to be merely to ensure that the dynamo cannot be run in an… | ||
| scan0268 | Order of thin tin lead fuse wire for 250 chassis. | ||
| View original record | To O.O. from EFC. c. to Stores. EFC1/AT21.8.19. X.2515.-FUSES. Will you kindly order up a quantity of thin tin lead fuse wire to sample. Please order up for 250 chassis allowing about one foot per… | ||
| scan0269 | To Mr Clark detailing the receipt of parts from various suppliers for different experiments. | ||
| View original record | R R 235 B (200 T) (S F 674. 22-5-19) G. 2376. X 2575 Mr Clark. from O.O. Wd/Dnl/HP24919. 24th Sept.1919. Please note that we have received from the Hoffmann Mfg. Co.Ltd., 6 No.125 Bearings for… | ||
| scan0270 | Dynamo lighting system failure due to a faulty fuse, recommending tin lead fuses over copper wire. | ||
| View original record | R H. 235 A (100 T) (S.F 846 6-8-19) G. 2469 X.2515 EFC. c. to Bn. EP13/F2.12.19. X.3014. - RE FAILURE OF DYNAMO LIGHTING. X.2515. X.3749. I had a case the other day of failure of a lighting system,… | ||
| scan0271 | Requesting the procurement of specific tin lead fuse wire. | ||
| View original record | X.2575 To O.O. from EFC. c. to Stores. EF65/T4.12.19. X.2575 RE FUSE WIRE Will you kindly obtain for us a few reels of tin lead fuse wire. We cannot definitely state the gauge, but we would like the… | ||
| scan0272 | Difficulties with fuses on Lucas equipment and the need for a standardized solution. | ||
| View original record | To Ck. from Bn. Copy to EP. [Struck through] X.2515. RE DIFFICULTY WITH FUSES ON LUCAS EQUIPMENT. Bn4/W41219. With reference to EP13/F21219, we must bear in mind that any alteration we propose to… | ||
| scan0273 | Letter to Lucas Electrical Co. Ltd. regarding dynamo noise, drive criticism, and suggestions for improving fuses. | ||
| View original record | R R. 235 A (100 T) (S.F 846 6-8-19) G. 2460 X.2515 X.2515 X.3014 X.2575 1320. 6 lines. EFC6/T. 4th December, 1919. The Lucas Electrical Co.Ltd., Great King Street, Birmingham. Dear Sirs, We thank you… | ||
| scan0274 | Continued note regarding the type of fuse wire used for a junction box. | ||
| View original record | R R. 235 A (100 T) (S.F 846 6-8-19) G. 2469 Contd. -2- EFC6/T. Regarding fuses for the junction box, we are using No.19 S.W.G. tin lead fuse wire which fuses at about 25 abperes on the length of about… | ||
| scan0275 | On constant current generators, detailing the failure of fuses as a safeguard and suggesting an iron wire resistance as a more permanent solution. | ||
| View original record | R R. 235 A (100 T) (S.F 846 6-8-19) G. 2460 X.2515 December 6, 1919. Oy-7-G6/12/19. Bn from Oy: Gs/R: EFC. X.294. RE CONSTANT CURRENT GENERATORS X.2515 X.3449 1. A constant current generator, if run… | ||
| scan0276 | Letter from Lucas Electrical Co. Ltd. regarding the specifications of fuse wire for switchboards and junction boxes. | ||
| View original record | X.2575 THE LUCAS ELECTRICAL CO. LTD. Great King Street, BIRMINGHAM. 10th December, 1919. Messrs. Rolls-Royce Ltd., Nightingale Road, DERBY. X. 2515. X. 3748. Dear Sirs, Referring to your letter of the… | ||
| scan0277 | Urgent request for a specific gauge of fuse wire for a Lucas Switch-Box. | ||
| View original record | R.R 235 B (200 T) (S F. 673, 22-5-19) G. 2376 X.2515 To O.O. from Ck. c. to Stores. EFC/AT15.12.19. X.2515.- RE FUSE WIRE. X.3035. X.3749. Further to our note EFC5/T41219 asking for fuse wire This is… | ||
| scan0278 | Instruction note confirming the receipt of fuse wire from the stores. | ||
| View original record | RR.238 (300 Bks.) (SF 152. 6-11-18.) MP 197880 X 2515 50 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To: Nº Clark. 22/12/19 Order No. Customer's No. We have received from the Stores 6 reels of No. 22 S.W.G. 5… | ||
| scan0279 | Failure of dynamo shunt fuses, attributing the cause to vibration and proposing a more substantial fuse wire. | ||
| View original record | Ck. from EP. c. to EH. X.2515. EP13/F29.12.19. X.3749 X.2515 RE. FAILURE OF DYNAMO SHUNT FUSE. We have had further failures of the dynamo owing to the above, and as I previously pointed out, I do not… | ||
| scan0280 | Test report on the fusing amperage of a fuse wire from a Smith cut-out. | ||
| View original record | R R 235 B (200 T) (S.F. 674. 22-5-19) G. 2376. X.2515. 29.12.19. X.2515 - FUSE WIRE FROM SMITH CUT-OUT X.3749. (Handwritten note: 'X.2515' is struck through and 'X.3771.' is written below it.… | ||
| scan0281 | Instruction sheet detailing diameters and fusing points for various fuse wires. | ||
| View original record | RR 238 (300 Bks.) (SF 152. 6-11-18.) MP 197880 X.2515 84 ① ROLLS-ROYCE LIMITED. INSTRUCTIONS. To: Mr Clark 30/12/19 Order No: - Customer's No.: - X.2515 Diameters & fusing points of X.3749 fuse wires.… | ||
| scan0282 | Extract regarding the use of tin-lead fuse wire for a field winding fuse on a Lucas switchbox during a 10,000-mile test. | ||
| View original record | X.2515 Extract from Ck3/T30.12.19. X.2515. 2.KX. CAR - 10,000 MILE TEST - ELECTRICAL EQUIPMENT X.3749. It would appear that the standard parts which are available for the first xxxx portion of the… | ||
| scan0283 | Extract detailing the receipt of various parts from suppliers for experiments and orders. | ||
| View original record | X.2575 Extract. from Wd/Dnl/HP1120. Mr. Clark. from O.O. 1st. January, 1920. X.3508. X.3461. X.2515. Please note that we have received from Messrs. Geo. Salter & Co., 72 Damping Springs N.1044 for… | ||
| scan0284 | The advisability of using 30 S.W.G. tin lead fuse wire for the Lucas switchbox instead of the standard tinned copper wire. | ||
| View original record | R. R. 235 A (100 T) (S.F 846 6-8-19) G. 2460 To Bn. from Ck. c. to Da. c. to Hs. c. to EP. Handwritten: X.2575 Ck5/T8.1.20. X.2515 - FUSE WIRE FOR LUCAS SWITCHBOX Handwritten: X.3749 Handwritten:… | ||
| scan0285 | Receipt note for tin fuse wire received from Simplex Conduits Co. Ltd. | ||
| View original record | X. 2575 9.1.20. X.2515. FUSES. Received from the Simplex Conduits Co. Ltd., 4 Reels each 1/4 lb. of 30s Tin Fuse Wire, for order 535, stores sheet 172384 of the 8th inst. Wd. | ||
| scan0286 | Instruction sheet regarding the properties and use of tin-lead fuse wire. | ||
| View original record | RR 238 (300 Bks.) (SF 152. 6-11-18.) MP 197880 X.2515 76/C ROLLS-ROYCE LIMITED. INSTRUCTIONS. To: Mr Clark Date: 12/1/20 Order No: X.2515 Customer's No.: Fuse Wire X. 3749. We have received from the… | ||
| scan0287 | Sending No. 30 S.W.G. tin lead fuse wire to Mr. Maddocks for testing in a Lucas switchbox. | ||
| View original record | X.2575- To Hs. from Ck. Ck2/T15.1.20. X. 2515 - FUSE WIRE FOR LUCAS SWITCHBOX. 3749 Herewith a quantity of No.30 S.W.G. tin lead fusew wire. Will you kindly send this as soon as possible to Mr.… | ||
| scan0288 | Transition from Lucas to Glover wiring cables, colour standardisation, and the supply of fuse wire. | ||
| View original record | R.R. 235 A (100 T) (S.F. 846. 6-8-19) G. 2460. Contd. X.2675 -2- Ck4/T16.1.20. there would be more cars wired with the present Glover cable than with the now obsolete Lucas cable. Further, the… | ||
| scan0289 | Requesting confirmation that a faulty cutout in a Lucas Switchbox was caused by faulty fuse contacts. | ||
| View original record | X.2575 To EP. from Ck. c. to Mr. Wyer. Ck9/T16.1.20. X.3749. - LUCAS SWITCHBOX. X.3770. X.2515. It was suggested some while back that Mr. Wyer should prove that the faulty action of the cutout-… | ||
| scan0290 | Wiring diagram for a Lucas Switchbox showing connections for lamps and a generator. | ||
| View original record | X. 2515. X. 3749 Connections of Lucas Switchbox with fuses in negative and control circuits II H HEAD, SIDE & TAIL LAMPS H H T S S H+T S+T MS A H S T + - 1 2 3 4 C GENERATOR E.575 24-1-20. | ||
| scan0291 | Use of ballast resistance in place of a fuse in a constant current dynamo circuit. | ||
| View original record | X.2515 To Ck. from R. Copy to CJ. " " Bn. " " Oy. R2/G26.1.20. X.294. - RE CONSTANT CURRENT GENERATORS. X.2515. X.3716. I am sorry you went to the trouble of putting the ballast resistance in place of… | ||
| scan0292 | Investigation into protecting the Lucas E.575 dynamo by means of fuses in the field, control and negative wires. | ||
| View original record | X.2575 CK/T26.1.20. INVESTIGATION OF PROTECTION OF LUCAS E.575 DYNAMO BY MEANS OF FUSES IN THE FIELD, CONTROL AND NEGATIVE WIRES. X.2575 X.3014 There are two cases to consider - A. Protection of the… | ||
| scan0293 | Specifying fuse capacities and testing procedures for dynamo circuits. | ||
| View original record | -2- Contd. (d) Fuse in control circuit. (e) Fuse in negative circuit (f) Fuses in both circuits. Initially, fuses of 15 ampere capacity should be tried, later on, when we obtain them, fuses of 20… | ||
| scan0294 | Instruction requesting 20 amp fuse wire, specifying No. 20 S.W.G. as the nearest size. | ||
| View original record | RR 238 (300 Bks.) (SF 152. 6-11-18.) MP 197880 X.2575. 121 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To: Mr Clark Order No: X.2515 Customer's No.: - Date: 29/1/20 Fuse Wire We require some fuse wire that… | ||
| scan0295 | Internal request to order three reels of different sized tin lead fuse wire for the Experimental Department. | ||
| View original record | R.R. 235 B 20 (T) (S.F. 674. 22-5-19) G. 2376. X.2515 Ck2/T29.1.20. To O.O. from Ck. c. to Stores. X.2515 - FUSE WIRE Will you kindly order up one reel of tin lead fuse wire in each of the following… | ||
| scan0296 | Investigation into the protection of Lucas E.575 dynamo and battery circuits using fuses. | ||
| View original record | X 2515 To R. from Ck; c. to CJ. c. to E. c. to Bn. c. to EP. c. to Da. Ck1/T3.2.20. X.3014 - PROTECTION OF LUCAS E.575 DYNAMO X.2575 (AND BATTERY) BY FUSES IN DYNAMO CIRCUITS. We have made a further… | ||
| scan0297 | Investigation into the minimum fusing currents for field, control, and main negative fuses. | ||
| View original record | Contd. -2- DB12 D 121.2.20 (T 1081) 4 Z22 H M Ckl/T3.2.20. It will be seen from the above that the minimum fusing currents of any fuses which can be used must be approximately as follows :- Field 4.5… | ||
| scan0298 | Results of an investigation into dynamo control and negative circuits, focusing on fuse performance under different conditions. | ||
| View original record | Contd. -3- does not affect the results of the investigation, which was actually carried out using the 12 ampere wire for the control and negative circuits. The results of this investigation were as… | ||
| scan0299 | Technical note on dynamo fuse protection under various operating conditions. | ||
| View original record | Ck1/T3.2.20. -4- Contd. therefore smaller than occurs in normal running and will do no harm, so that good protection is afforded. (5). Running with battery disconnected with main negative fuse only,… | ||
| scan0300 | Investigation into dynamo protection and fuse behavior under different temperature conditions. | ||
| View original record | Contd. -5- Ck1/T3.2.20. B. Protection of the dynamo should at any time the cutout stick on with the dynamo stopped and the charging switch be left on. Investigation under this head was carried out by… | ||
| scan0301 | Technical analysis of fuse capacity and placement in electrical circuits for optimal protection. | ||
| View original record | Ck1/T3.2.20. -5- Contd. both the main negative and control fuses may fail to go. It will be seen, giving due consideration to the fact that the fuses used in the investigation were only of 12 amperes… | ||
| scan0302 | Wiring diagram with annotations and explanatory text regarding a fuse and cutout circuit. | ||
| View original record | Contd. -7- Ck1/T3.2.20. as indicated in diagram - Fuse [Handwritten annotation near left coil] but out [Handwritten annotation near switch] positive This switch must be considered omitted to… | ||
| scan0303 | Fuse configurations for electrical system protection, including a diagram of a four-contact switch fuse. | ||
| View original record | Contd. -8- Ck1/T3.2.20. Such a fuse in combination with a field fuse would appear to give the best and most complete protection to the whole system. The use of such a fuse would involve altering the… | ||
| scan0304 | Continued discussion on different fuse provisions for dynamo and battery protection. | ||
| View original record | -9- Contd. CKl/T3.2.20. small capacity (less than 15 amperes). It has a further disadvantage that the dynamo will still charge the battery after the fuse has gone, but with an unsatisfactory… | ||
| scan0305 | Failure of Lucas cut-outs and a proposal to standardize the fuse wire. | ||
| View original record | X.2575 BY. from EP. [BY. is struck through] c. to Ck. c. to Hn. [c. to Hn. is struck through] EP/T18/F3.2.20. X3770 [handwritten] RE. FAILURE OF LUCAS CUT-OUTS. X2575 [handwritten] With reference to… | ||
| scan0306 | Design flaws and suggested improvements for a distribution board. | ||
| View original record | X.2575 Mr. Clark. 3.2.20. X. 3555. R.R. DISTRIBUTION BOARD X.2575. This board seems to have several bad points. It seems that there will be considerable difficulty in fixing the wires to the terminals… | ||
| scan0307 | The electrical fuse arrangement for lamps, Klaxon, and dynamo circuits. | ||
| View original record | R.R. 235 A (100 T) (S.F. 846. 6-8-19) G. 2460. -2- Contd. box, but is it ? It certainly seems that some sort of anchorage is necessary. Electrically. Is the lamp fuse in the best position ? As it is… | ||
| scan0308 | Standardisation of 30 S.W.G. tin lead fuse wire for the Lucas switchbox. | ||
| View original record | X. 2575 To By. from Ck. c. to Bn. c. to EP. Ck1/T4.2.20. X. 2515 - 30 S.W.G. TIN LEAD FUSE WIRE FOR X.3749 LUCAS SWITCHBOX. We see from EP's note EP/T18/F3.2.20, that he is now satisfied that the tin… | ||
| scan0309 | Instruction sheet detailing the fuse wires used in the distribution box and their amperage ratings. | ||
| View original record | RR 238 (300 Bks.) (SF 152. 6-11-18.) MP 197880 X.2575. 145 ① ROLLS-ROYCE LIMITED. INSTRUCTIONS. To: Mr Clark. Order No: X 2515 Customer's No. Fuse wire. X.3618. The only fuse wires which we have used… | ||
| scan0310 | Replacement of copper fuse wire with a new lead tin alloy fuse wire for the instrument board switchbox. | ||
| View original record | X 2515 O.O. from By. c. to Ck. c. to EP. c. to "F" Dept. By2/P6.2.20. X.3749. - CHASSIS - INSTRUMENT BOARD. SWITCHBOX - RE FUSE WIRE. x.2515 Referring to my memo By14/H23.1.20, in which I asked you to… | ||
| scan0311 | Points for improvement on a distribution board for chassis 4 EX following an inspection and test. | ||
| View original record | X.2515 To Mr. Coverley from Ck. Ck7/T16.2.20. X.3555 - R.R. DISTRIBUTION BOARD X.2515 We return herewith the R.R. distribution board handed to us for our inspection and test. The points on this which… | ||
| scan0312 | Alterations to a fuse holder. | ||
| View original record | Contd. -2- Ck7/T6.2.20. (5) Mr. Day is instructing an alteration to the fuse holder by which the size of the screws for holding the fuse wire is increased. (6). The slot in the cover to allow the… | ||
| scan0313 | The examination and testing results for a distribution board. | ||
| View original record | X 2575 To R. from Ck. c. to CJ. c. to F. c. to Bn. c. to Da. c. to Hs. Ck1/T7.2.20. X.3555 - R.R. DISTRIBUTION BOARD X.2575 We have examined and tested the first R.R. distribution board made by the… | ||
| scan0314 | Report page detailing issues and suggestions regarding fuse holders, spare fuse provisions, and electrical system protection. | ||
| View original record | Contd. -2- Ck1/T7.2.20. (4). The main negative and control fuse holders are somewhat near together, making it rather difficult to securely catch hold of the control fuse holder for the purpose of… | ||
| scan0315 | Modifications to a distribution board, focusing on fuses, insulation, and layout to prevent short circuits. | ||
| View original record | R.R 235 A (100 T/S.F. 846. 6-8-19) G. 2460. X.2575 To Hs.) from R. " Ck.) Copy to CJ. " " Bn. " " Da. R5/G9.2.20. X.3555. - RE R.R. DISTRIBUTION BOARD. X.2515. As soon as convenient you might arrange… | ||
| scan0316 | The use and potential failure of fuses in a circuit, with a request for a sample distribution board. | ||
| View original record | R.R. 235 A. 100 T. (S.F. 846. 6-8-19) G. 2460. -2- R5/G9.2.20. Contd. With regard to the use of fuses in the circuit, these were arranged in accordance with information from Ck. I do not believe any… | ||
| scan0317 | Photostat copy of an earthed wiring scheme for chassis 4 EX, with remarks on wire specifications and diagram markings. | ||
| View original record | X 2515. To RHC. from Ck. Ck1/T11.2.201 X.3659 - EARTHED WIRING SCHEME X.3555. - R.R. DISTRIBUTION BOARD X 3Y64 We attach a photostat copy showing the wiring connections of the R.R. earthed wiring… | ||
| scan0318 | Letter from Simplex Conduits Limited advising of a 10 to 14 day delivery delay on an order for Fuse Wire due to a works breakdown. | ||
| View original record | X.2515 SIMPLEX CONDUITS LIMITED., Garrison Lane, Birmingham. JMS/PP. February, 14th, 1920. Messrs. Rolls-Royce Ltd., Nightingale Road, DERBY. Dear Sirs, Order No. CP. 38. We are in receipt of your… | ||
| scan0319 | Supply of 30 SWG lead tin alloy fuse wire from Lucas for instrument board switchboxes. | ||
| View original record | R R 235 B (200 T) (S.F. 674. 22-5-19) G. 2376. X-2515 EP. from By. c. to Ck. c. to "F" Dept. By10/P16.2.20. X.3749. CHASSIS - INSTRUMENT BOARD. X.2515! RE FUSE WIRE IN LUCAS SWITCHBOX. Messrs. Lucas… | ||
| scan0320 | Letter to Lucas Electrical Co. Ltd. regarding the optimal positioning and combination of fuses in a dynamo circuit. | ||
| View original record | X.2575 c. Bu c. By c. Da. c. EP. Ck3/T. 17th February, 1920. The Lucas Electrical Co.,Ltd., Well Street, Birmingham. Dear Sirs, X.3014 Re Positions of Fuses in Dynamo Circuit. X.2575 On the Lucas… | ||
| scan0321 | Letter discussing issues with fuse arrangements and proposing a modification to improve reliability. | ||
| View original record | Contd. -2- CK3/T. The fuses as arranged by you firstly, in the negative main only, and secondly, in both negative main and control main, only give partial protection of either type. The difficulty is… | ||
| scan0322 | Suggested modifications to a distribution board, particularly concerning fuse placement. | ||
| View original record | X.2575 To R. from Ck. c. to CH. c. to E. c. to Bn. c. to Da. c. to Hs. Ck2/T17.2.20. X.3555 - R.R. DISTRIBUTION BOARD - X.2575 SUGGESTED MODIFICATIONS. We attach a copy of our suggested modifications… | ||
| scan0323 | Fuse current margins and experiments with insulating materials for fuse holders. | ||
| View original record | Contd. -2- Ck2/T17.2.20. the normal current through them and yet at the same time would be delicate enough to blow with the abnormal currents. The difficulty has been that in the fuses as arranged by… | ||
| scan0324 | Suggested modifications for the R.R. distribution board. | ||
| View original record | X.2515. 17.2.20. X.3555. - R.R. DISTRIBUTION BOARD - SUGGESTED X.2515. MODIFICATIONS. (1). That the insulating plate on which the bars are mounted be made to cover a greater portion of the aluminium… | ||
| scan0325 | Operation of fuses in an electrical system and suggesting improvements for fuse holders. | ||
| View original record | Contd. -2- 17.2.20. speeds only. The cut in cannot now operate, so that no charging can be done until the fuse is replaced. B. If the cutout sticks on and the charging switch be left on, the fuse in… | ||
| scan0326 | Letter from The Lucas Electrical Co. Ltd. discussing fuses and different dynamo models. | ||
| View original record | X.2515 COPY THE LUCAS ELECTRICAL CO. LTD., GREAT KING STREET, BIRMINGHAM. CLB/GD. 24th February 1920. CK3/T. Messrs. Rolls-Royce, Ltd., Nightingale Road, Derby. Dear Sirs, X.3014. RE POSITION OF FUSES… | ||
| scan0327 | Chassis lighting dynamo, inspection lamp plugs, and dynamo protection fuses, referencing correspondence with the Lucas Electrical Company. | ||
| View original record | To Bn. From Ck. c. to Da. c. to Ry c to EP. X.2515 Ck5/T26.2.20. X.3014 - CHASSIS LIGHTING DYNAMO. X.3749 - INSPECTION LAMP PLUG FOR LUCAS BOX FOR CHARGING FROM AN EXTERNAL SOURCE X.2515 - ARRGT: OF… | ||
| scan0328 | Continued discussion on plug pin design and a new fuse system from Lucas for an experimental car. | ||
| View original record | R.R. 235 A (100 T) (S.F 846 6-8-19. G. 2460 Contd. -2- CK6/T26.2.20. unnecessary to make the plug pins of two different diameters. x.3492. We have now shown you the plug and battery indicator and it… | ||
| scan0329 | Specifying the correct tin lead fuse wire size for an experimental Lucas switchbox. | ||
| View original record | X. 2515 Mr. Clark. 16.3.20. X.2515 - FUSE IN EXPL. LUCAS SWITCHBOX X.3957 The correct size of tin lead fuse wire for the main fuse in the above box is .041" (19 S.W.G.) With this size of fuse the full… | ||
| scan0330 | Specification sheet detailing the fusing currents for various gauges of tin-lead fuse wire used in Lucas and R.R. switch boxes. | ||
| View original record | RR 238 (300 Bks.) (SF 152. 6-11-18.) MP 197880 X.2515. 194 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To: MC Clark Date: 23/3/20 19 Order No: X 2515 Customer's No.: — Fusing Currents of fuse wire in Lucas +… | ||
| scan0331 | The correct tin-lead fuse wire size for a distribution board. | ||
| View original record | X.2515 Mr. Clark. --------- FA198/26/3/20. X.2515 - FUSE SIZES FOR R.R. DISTRIBUTION BOARD X.3555. ON 4 EX. The best size of tin lead fuse wire to use on this board is 20 S.W.G. This will be… | ||
| scan0332 | From RHC to EFC regarding the brittleness of fuse holders made from various materials. | ||
| View original record | X.2575 To EFC. from RHC. RHC8/LG15.4.20. X.1109 RE FUSE HOLDERS IN VARIOUS MATERIALS. X.3962. X.2575 With reference to the above, we hope to hand these Fuse Holders to you in the course of a day or… | ||
| scan0333 | The unsuitability of certain brittle materials for fuse holders and a list of alternatives provided. | ||
| View original record | R.R. 235 B (200 T) (S F. 674. 22-5-19) G. 2376. X.2575 EFC. from RHC. RHC1/LG16.4.20. X.1109 RE FUSE HOLDERS IN VARIOUS MATERIAL. X.3962. X.2575 We are handing to you the following Fuse Holders and we… | ||
| scan0334 | Lucas switchboxes being delivered with incorrect fuse wire that has a higher amperage rating. | ||
| View original record | X.2515 To By. from EFC EFC5/T29.4.20. X. 2515 - LUCAS SWITCHBOX - FIELD FUSE. X.3449 We have found that some of the Lucas switchboxes recently delivered are not being supplied with the 30 S.W.G. tin… | ||
| scan0335 | Ignition and Klaxon failure on chassis 1.EX, attributing the fault to unreliable Lucas fuses and switches. | ||
| View original record | X 2515 To EFC. from R. Copy to CJ. R13/CR.6.20. X. 3743b. RE CHASSIS 1.EX. X.2515. X.1163. X.129. X. 1748. X. 3014b. The failure on 1.EX of the ignition and Klaxon was due to a blown fuse. My… | ||
| scan0336 | Adding a plate with short fuse instructions to the outside of a Lucas Junction Box. | ||
| View original record | R.R. 199 (250T) (SD676 19-7-17) MP180865 X2515 To Wor. from EFC. " EP. " Bn. " PN. " bY. " Da. EFC3/T24.6.20. X.3972. - ADDITION OF PLATE CONTAINING SHORT INSTRUCTIONS RE FUSES TO OUTSIDE OF LUCAS… | ||
| scan0337 | Suggested text for a plate to be affixed to the outside of a Lucas junction box cover regarding fuses. | ||
| View original record | R.R. 199 (250T) (SD676 19-7-17) MP180865 24.6.20. X.3-72. - SUGGESTED MATTER RE FUSES FOR PLATE TO BE AFFIXED TO OUTSIDE OF COVER OF LUCAS JUNCTION BOX. X.2515. Remove junction box fuses before… | ||
| scan0338 | New chassis troubles, specifically concerning electrical faults and the fusing system on chassis 46-LW. | ||
| View original record | X2515 COPY. Oy3/G26.7.20. July, 26th 1920. Mr. Claude Johnson. Managing Director. Rolls-Royce Ltd., London. England. Dear Sir:- X.3719b. Re New Chassis Troubles - Chassis 46-LW. X.3129. Report No.7.… | ||
| scan0339 | Undesirable electrical arrangements and faults in a vehicle's starter and generator system. | ||
| View original record | Contd. -2- Cy3/C26.7.20. This arrangement is very undesirable at least the ignition fuses should be separated from the other equipment of the car, and the lamps should be fused to eliminate the… | ||
| scan0340 | Instructional document detailing the comparison test conditions for three different types of fuse wire. | ||
| View original record | RR 300 (120B) (SF 349 24-1-19) MP 200552 ROLLS-ROYCE LIMITED. INSTRUCTIONS. 91150 X.2515 To E.F.C. Order No P.A.4. Customer's No. Re X August 2nd 1920. Comparison of Fuse Wires. For convenience, the… | ||
| scan0341 | Results of fuse tests, detailing the amperage at which fuses blew under different test conditions. | ||
| View original record | RR 300 (120B) (SF 349 24-1-19) MP 200552 91151 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To E.F.C. Order No. P.A.H. Customer's No. Re X August 2nd 1920 approx., from switching on current (1.6 amps) to fusing… | ||
| scan0342 | Instructions regarding the analysis of current values and melting wires. | ||
| View original record | RR 300 (120B) (SF 349 24.1.19) MP 200552 91152 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To E.F.C Order No. P.A.4. Customer's No. Re X. August 2nd 1920 It will be noticed that the current values are higher… | ||
| scan0343 | Instruction note discussing the properties and current carrying capacity of different classes of wire or fuse. | ||
| View original record | RR 300 (120B) (SF 349 24-1-19) MP 200552 91153 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To E.F.C. Order No. PA.H Customer's No. Re x August 2nd 1920 brighter, tougher, and the fact that it fuses cleaner,… | ||
| scan0344 | Modifications to a distribution board for an earthed wiring scheme. | ||
| View original record | R.R. 285A (100 T) (S.G. 642, 19-2-20) G. 2618 To R. from EFC. c. CJ. c. E. c. Wor. c. Da. c. By. c. Hs. X 2515 EFC3/T6.8.20. X.3555. - R.R. DISTRIBUTION BOARD FOR EARTHED WIRING SCHEME. X.2515.… | ||
| scan0345 | Vehicle electrical systems, earthing, and the use of fuses in battery and distribution circuits. | ||
| View original record | R.R. 285A (100 T) (S.G. 648, 19-2-20) G. 2618 Contd. -2- EFC3/T6.8.20. earthed as before. We do not know whether this was your impress- ion, but we had not made the heavy motor circuit dependent upon… | ||
| scan0346 | Instructions for a comparison test of two different specifications of fuse wire. | ||
| View original record | RR 300 (120B) (SF 349 24-1-19) MP 200552 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To E.F.C. Order No. P.A.B. Re X.2515 Customer's No. Comparison of Fuse Wires. X.3749 In this test there were two specimens… | ||
| scan0347 | Fuse test results for two specimens, A and B. | ||
| View original record | RR 300 (120B) (SF 349 24-1-19) MP 200552 91157 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To E.F.C. Order No. P.A.6. Customer's No. Re X Five tests were made on specimen A, and three on specimen B, the… | ||
| scan0348 | Unsatisfactory fuse wire for the Lucas Dynamo Switchboard that fuses too readily and requires retrospective replacement. | ||
| View original record | By. from EP. c. to EFC. c. to Wd. x2515 EP6/F7.8.20. X.3749. X.2515. RE FUSE WIRE FOR LUCAS DYNAMO SWITCHBOARD. We find we have been using fuse wire for the above which is not adequate for the work… | ||
| scan0349 | Specification for fuse wire to be used with Lucas Switchboards for a specific chassis alteration and dynamo. | ||
| View original record | X 2515 To O.O. from By/WER. c. to Sft. c. to EP. c. to EFC. By/WER3/EF9.8.20. X.3749. RE CHASSIS ALTERATION 59/D - E. 7457 DYNAMO X.2515. L.O.P. (SHEET 1) - SECTION 7310. Further to our letter… | ||
| scan0350 | Specifying the fusing current limits for fuse wire. | ||
| View original record | BY/Mtn. X.2575 Re. - Fuse Wire 11.8.20 Fusing current limits for .65" length should be given as 4½ - 5½ amperes. EFC. | ||
| scan0351 | Confirming the correction of fuse wire specifications to 30 SWG Lead Tin Alloy, with added handwritten notes on fusing current limits. | ||
| View original record | X.2875 BY/Mtnl/H. 11. 8. 20. EFC. c. EP. (struck through) c. EP/Mr. Wyer. (EP struck through) c. C.O. X.2875 Fuse. Referring to EFC's memo EFC1/AT. 7. 8. 20. regarding Fuse Wire being to the wrong… | ||
| scan0352 | Letter from S. Smith & Sons regarding the switchboard, dynamo, fuses, and bearings for lighting equipment. | ||
| View original record | R.R. 285A (100 T) (S.G. 643, 19-2-20) G. 2618 X 2515 S. SMITH & SONS. (M.A.) LTD. Speedometer House, 179-185 Gt. Portland St. London. W.1. Our ref. ACL/MM. Messrs. Rolls-Royce Ltd., Nightingale Road,… | ||
| scan0353 | Request to order four quarter-pound coils of 30 SWG lead tin alloy fuse wire. | ||
| View original record | R.R. 235B (50 T) (S.G. 755, 24-2-20) G. 2650 X.2575 Ms. from BY/Mtn. c.c. EP. (Struck through) c. EFC. BY/Mtn8/P17.8.20. X.2575 RE FUSE WIRE. Will you please order four quarter pound coils of fuse… | ||
| scan0354 | EFC requesting an order for two types of tin lead fuse wire. | ||
| View original record | X 2575 To Wd. from EFC. c. to Wd/Ms. c. Mr. Dolman. c. Stores. EFC2/T19.8.20. X.2515 - RE FUSE WIRE. Will you kindly order up for us 1 lb. each of No.17 and No.18 S.W.G. tin lead fuse wire, and… | ||
| scan0355 | Instructions detailing the fusing current for a No. 19 swg Tin-lead fuse in a Lucas Junction Box. | ||
| View original record | RR 300 (120B) (SF 349 24-1-19) MP 200552 X. 2575 91327 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To E.T.C. Order No X 8564 Customer's No. TC. 3. Re Fusing Current of fuse in Lucas Junction Box This fuse (No… | ||
| scan0356 | Mr. Royce's preference for copper over tin-lead fuse wire for Lucas Junction Boxes. | ||
| View original record | To EFC. from Da. ---------- X.2515 Da5/CB19.8.20. X.3564. - Lucas Junction Box Fuses. X.2515. ------- -------------------------- -9------ Replying to your EFC3/T19.8.20, when we were with Mr. Royce at… | ||
| scan0357 | Extract detailing electrical equipment troubles found on new imported chassis. | ||
| View original record | X.2515 Extract from Cy8/G19.8.20. Re New Chassis Troubles ---------------------- Below are some examples experienced with the electrical equipment we have recently had with imported chassis: (4)… | ||
| scan0358 | The alteration of fuse wire specification for a Lucas Junction Box. | ||
| View original record | 2515 To By. from EFC. c. to By/HEB. c. to Wd/Ms. c. to EP. c. to Da. EFC3/T19.8.20. X.3564. - LUCAS JUNCTION BOX. -> FUSES. X.2515. In reply to an enquiry from your Dept. regarding specification of… | ||
| scan0359 | Telegram enquiring about the failure mode of Smith and Lucas electrical components when a fuse blows or a circuit is disconnected. | ||
| View original record | X2515 R.R. 235B (50T) (S.G. 755, 24-8-20) G. 2650 ROYCAR DERBY. X.295. X.3014b. X.25151. CLARK SHOULD A FUSE BLOW OR ANY DISCONNECTION OCCUR ON ANY OF THE CIRCUITS DOES THE SMITH MACHINE ROAST AND… | ||
| scan0360 | Short memo to Mr. Royce regarding a machine failure due to a potential blown fuse or disconnection. | ||
| View original record | X.2515 X.295 X.3014b X.2515 ROYCE, ELMSTEAD, WEST WITTERING. NO POSSIBILITY OF EITHER MACHINE ROASTING DUE TO BLOWN FUSE OR DISCONNECTION IF FUSES ARE CORRECT. MEMO FOLLOWING. CLARK. | ||
| scan0361 | Copy of a telegram detailing damage to a Clark Smith Dynamo and its components. | ||
| View original record | X.2575 COPY OF TELEGRAM. 25.8.20. ROYCAR DERBY. X.295 X.2575 X.4168 CLARK SMITH DYNAMO EVIDENTLY DAMAGED THROUGH BLOWING FUSE IN ARMATURE CIRCUIT AND ONE IN FIELD EB BEING LARGE REMAINING INTACT… | ||
| scan0362 | Letter to Messrs. S. Smith & Sons Ltd. regarding the use of copper wire instead of tin-lead wire for the main fuse in a switchbox. | ||
| View original record | X.2515 EFC4/T, 25th August, 1920. Messrs. S. Smith & Sons Ltd., 179-185 Great Portland St., London, W.1. Dear Sirs, X.4164 Re Switchbox. X 2515 With regard to the main fuse in the sample switchboxes… | ||
| scan0363 | Letter discussing a design change to make a fuse interchangeable. | ||
| View original record | Contd. -2- EFC4/T. You might perhaps consider in what way it would affect your design to make this fuse readily interchangeable. Yours faithfully, | ||
| scan0364 | Telegram concerning a damaged Clark Smith dynamo due to a blown fuse in the armature circuit. | ||
| View original record | R.R. 199 (250T) (SD676 19-7-17) MP 180865 x.2515 25. 8. 20. ROYCAR DERBY. x.2515 x.295 x.4165 CLARK SMITH DYNAMO EVIDENTLY DAMAGED THROUGH BLOWING OF FUSE IN ARMATURE CIRCUIT AND OME IN FIELD BEING… | ||
| scan0365 | Protection of a dynamo-battery system using fuses. | ||
| View original record | R.R. 199 (250T) (SD676 19-7-17) MP 18.865 X. 2515 EFC3/T25.8.20. To R. from EFC. c. to CJ. c. to E. c. to Bn. c. to Dn. c. to PN. X. 25151 PROTECTION OF DYNAMO-BATTERY SYSTEM. X. 294. X. 295. BY… | ||
| scan0366 | The disadvantages of an electrical arrangement involving a dynamo, fuses, and battery discharge. | ||
| View original record | Contd. -2- EFC3/T25.8.20. gerous if the main fuse is at the same time incorrectly replaced This would occur as previously explained if the two fuse holders are interchangeable, which apparently they… | ||
| scan0367 | Two hand-drawn wiring diagrams for a vehicle dynamo charging system. | ||
| View original record | Fig. 1 Dynamo Cut-out Field fuse Switch Main fuse Fig. 2 Cut-out Field fuse Main fuse Switch E + C 25 8 20 R. R. 285A (100 T) (S) G. 643. 19-2-20) G. 2618 | ||
| scan0368 | Report comparing electrical installation faults on various experimental cars. | ||
| View original record | X.2515 To Hs. from R. Copy to CJ. " " Wor. " " Da. " " By. X.3763b. " " EFC. X.3923b. " " EP. X.293- R11/G25.8.20. RE ELECTRICAL INSTALLATION. & 1.EX COMPARED WITH 6.EX. X.2515. X.3014b X.3770. The… | ||
| scan0369 | Proposed new position for the distributing board for improved accessibility. | ||
| View original record | Contd. -2- R11/G25.8.20. arranged. as suggested by Mr. Elliott. This would give the distributing board approximately the same position as the old coil position, and we ought to seriously considerthis… | ||
| scan0370 | Fuse systems for Lucas & Smith dynamos and their overheating characteristics. | ||
| View original record | X.2515 To R. from EFC. c. to CJ. c. to E. c. to Bn. c. to Da. EFC1/T25.8.20. X.2515. X.3014b. a FUSE SYSTEMS WITH LUCAS & SMITH DYNAMOS. X.295. X.3749. In answer to your telegram, there is no greater… | ||
| scan0371 | Continued discussion on main and field fuse arrangements for the dynamo battery system. | ||
| View original record | Contd. -2- EFC1/T25.8.20. immediately relieve the excitation of the machine. X.3555. X.3923b. There is the possibility on the distribution board on 6.EX that the main fuse and field fuse might be… | ||
| scan0372 | Alteration of a car's lighting installation to 24 volts and associated wiring systems. | ||
| View original record | To PN. from R. Copy to CJ. " " C. " " EFC. X 2515 R1/G26.8.20. X.2778. X.3659. X.1357. X.1114. RE CAR LIGHTING ETC. X.2515. X.1369. We have received the field telephone and the cells, quite safely,… | ||
| scan0373 | Cause of overheating in a Smith Dynamo and the proposed solution of removing fuses from the circuit. | ||
| View original record | To EFC. from R. Copy to CJ. " " Da. " " Hs. X 2575 R3/G26.8.20. X. 295. X. 2515. X. 3014b. X. 4173. RE SMITH DYNAMO. With reference to your memo EFC1/T24.8.20, I am satisfied that the over-heating was… | ||
| scan0374 | Cause of a Smith dynamo breakdown due to interchanged fuses and a proposed new wiring system. | ||
| View original record | R.R. 199 (250T) (SD676 19-7-17) MP 180865 X.2515 To EFC. from Da. Da3/CB27.8.20. X.295. X.25151. Mr. Royce agreed that the cause of the break-down of the Smith dynamo was the interchanging of the main… | ||
| scan0375 | Design of a distributing board, focusing on the dangers of incorrect fuse sizes and potential dynamo damage. | ||
| View original record | x2515 To EFC. from R. Copy to CJ. " " Hs. " " Da. " " EP. X.4173. X.2515. RE DISTRIBUTING BOARD. X.3936. R8/G27.8.20. When a fuse blows and nothing is found wrong with the circuit, a man naturally… | ||
| scan0376 | Note regarding circuit cutout failure due to oxidised contacts and the preference for copper fuses. | ||
| View original record | Contd. -2- R8/G27.8.20. What happens supposing cutout does not make circuit through oxidised contacts ? I have preferred copper for fuses for many years, soft materials fail at the connections. R. | ||
| scan0377 | Design and materials for a distributing board, focusing on insulation. | ||
| View original record | To EFC. from R. c. to CJ. c. to De. c. to Hs. c. to Wor. c. to Wd. c. to Mr. Coverley. X2515 R9/G27.8.20. RE R.R. DISTRIBUTING BOARD. X.4173. X.2515. X.1109. Many thanks for suggestion of contact… | ||
| scan0378 | Requesting the testing of a sample of Lucas Switchboard fuse wire for potential production use. | ||
| View original record | R.R. 235A (100 T) (S.G. 648. 19-2-20) G. 2618 X.2515 BY/WER4/EF27. 8. 20. To EFC. from BY/WER. X.2575 [Strikethrough] X.3749 LUCAS SWITCHBOARD FUSE WIRE. Sec 7360. Please receive herewith sample of… | ||
| scan0379 | Test results for a portion of fuse wire used in a condenser production test, observing the effects of pressure on fusing current. | ||
| View original record | RR 300 (120B) (SF 349 24-1-19) MP 200552 X.2515 91185 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To E.F.C. Order No. P.A. 15. Customer's No. Re X. X 2515 Test of portion of fuse wire, used for condenser… | ||
| scan0380 | Letter from S. Smith & Sons regarding switchboards, experimental copper fuses, and the return of dynamos. | ||
| View original record | X2515 S. SMITH & SONS. TLD. 179-185 Gt. Portland St. London W.1. Our ref. ACL/MM. Messrs. Rolls-Royce Ltd., Derby. 30th August, 1920. Dear Sirs, X.295. Xe X.4164. for the attention of Mr. E. Fowler… | ||
| scan0381 | Testing fuse wire for a Lucas switchbox, which was found to be unsuitable. | ||
| View original record | X.2515 To Ry. from EFC. c. to BY/WER. c. to Sft. c. to EP. EFC4/T31.8 20. 1 X. 2515 - FUSE WIRE FOR LUCAS SWITCHBOX. X.3749 We have tested a sample of fuse wire taken from a quantity obtained for Mr.… | ||
| scan0382 | From EFC to Da discussing the wiring arrangement of fuses in the dynamo main circuit. | ||
| View original record | X.2515. To Da. from EFC. EFC2/T31.8.20. X.4164 X.3954 X.2515 - RE FUSES In answer to your note Da3/CB27.8.20, the standard wiring arrangement has certainly not been changed so as to include a fuse in… | ||
| scan0383 | Continuation of a document discussing different schemes of fuses and equivalent arrangements. | ||
| View original record | Contd. -2- EFC2/T31.8.20. schemes of fuses, Fig.1, Fig.2 and no main fuse at all, or an equivalent arrangement by which these modifications may be made. EFC. | ||
| scan0384 | Suitability and specifications of a fuse wire for a switchboard. | ||
| View original record | R.R. 199 (250T) (SD676 19-7-17) MP 18.865 X.2515 To O.O. from By/WER. By/WER2/EF1.9.20. c. to Sft. c. to EFC. c. to BP. E FOR X.3749. D.1165 - FUSE FOR WIRE SWITCHBOARD X.2515. SECTION 7310. Mr. Clark… | ||
| scan0385 | Unsatisfactory fuse wire for the Lucas switchboard and the need to expedite obtaining the correct wire. | ||
| View original record | X.2515 By. from EP. c. to EFC. c. to Hs. EP10/F1.9.20. X.3749. X.2515. RE FUSE WIRE FOR LUCAS SWITCHBOARD. Although this matter was taken up some time ago, I find that we are still turning out cars… | ||
| scan0386 | Request for Report No. 7 concerning troubles with new chassis 46-LW. | ||
| View original record | X.2575 EWT. from By. EWT/HJC6/G2.9.20. New chassis Troubles. Chassis 46-LW. Report No.7. I attach herewith copy of letter ref: Oy9/G 19.8.20. addressed to CJ. from America. Will you please let me have… | ||
| scan0387 | Letter from Rolls-Royce of America suggesting the addition of a fuse to the lamp circuits due to fire risk and potential insurance issues. | ||
| View original record | C O P Y. Oy9/G19.8.20. August, 19th 1920. Mr. Claude Johns-on. Managing Director. Rolls-Royce Ltd., 15 Conduit St. London, England. X425151 RE: SUGGESTED CHANGES OF DESIGN. Dear Sir, Referring to our… | ||
| scan0388 | Suggestion to consider cartridge-type fuses over the current designs which are difficult to replace on the road. | ||
| View original record | X.2575 To R. from EFC. c. to CJ. EFC4/T3.9.20. X.2515 - RE FUSES. Fuses, whether of tin-lead or of copper, and whether the fuse holder be of the Lucas type or the R.R. type with screws, are fiddling… | ||
| scan0389 | Explaining the decision not to include fuses in the lamp circuits of post-war cars using the Lucas electrical system. | ||
| View original record | X.2675 To EWT. from EFC. EFC8/T3.9.20. X.37196 X.2675 X.30146 RE R.R. ELECTRICAL SYSTEM ON CHASSIS 46-LW. - FUSES IN LIGHTING CIRCUITS. We have had no fuses in the lamp circuits of the post-war cars,… | ||
| scan0390 | Letter from S. Smith & Sons regarding the position of the main fuse on switchboards being manufactured, suggesting a separate experimental fuse box. | ||
| View original record | X2575 S. SMITH & SONS. M.A. LTD. 179-185 Gt. Portland St., LONDON. W.L. Ref. ACL/MM. Messrs. Rolls-Royce Ltd., Nightingale Road, Derby. Dear Sirs, X.4164. X.2515. for the attention of Mr. E. Fowler… | ||
| scan0391 | Standardization of electrical fuses to a single gauge copper wire. | ||
| View original record | R. R. 235A (100 T) (S. H. 159. 11-8-20) G. 2800 X.2515 R8/G6.9.20. To EFC. from R. c. to CJ. c. to CN. c. BN. X.3555 c. HS. X.2515 c. DA. X.3760. c. BY. _____________________ RE ELECTRICAL FUSES ON 6… | ||
| scan0392 | New wiring scheme and distributing board design for the 6 EX model. | ||
| View original record | X.2515 To EPC. from R. c. to CJ. c. to EN. c. to HS. X.3555. c. to DA. X.3659. c. to BY. X.3923b. RE WIRING SCHEME -EFC2/13.9.20. R7/G6.9.20. X.3129. X.2515. We have now sent you for 6 EX a complete… | ||
| scan0393 | Positive side of an electrical circuit and its protection. | ||
| View original record | R.R. 285A (100 T) (S.H 159, 11-8-20) G 2800 Contd. -2- R7/C6.9.20. the positive bus bar of the positive side of the circuit, so that when all the switches are in the "off" position and all the fuses… | ||
| scan0394 | The electrical installation on a chassis, specifically the fuse system and dynamo protection. | ||
| View original record | X2515 COPY. To R.R. of America Inc. from R. (For attention of OY). c. to CJ. c. to EFC. R8/G10.9.20. X.4173. X.4165. RE ELECTRICAL INSTALLATION ON R.R. CHASSIS. I am in receipt of your memo re… | ||
| scan0395 | Instructions detailing available sizes of copper wire for experiments on fuses. | ||
| View original record | RR 300 (120B) (SF 349 24-1-19) MP 200552 X. 2575 91380 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To S.T.C. Customer's No. F.C. 14 Date 28/9/20 .19 Order No. Re X. 2515. Copper wire for fuses We now have the… | ||
| scan0396 | Letter discussing the suitability of American electrical components, like fuses and cutouts, for a chassis. | ||
| View original record | Cyl - G 28920 Sept. 28, 1920 RECEIVED 19 OCT 1920 U. S. A. DEPT. Mr. Claude Johnson, Managing Director, Rolls-Royce Ltd., London, England. Attention; Mr.F.H.Royce. Dear Sir:- X 2575 Re: Electrical… | ||
| scan0397 | Drawing of a typical fuse installation, detailing its components and dimensions. | ||
| View original record | S.A.E. SIZES 1/4 13/32 1 1/4" for 1/4" Dia. 1 1/2" for 5/32" Dia. 21-A Brass Contact Cap Holding Clip Glass Casing Visible Fuse Wire Typical Fuse Installation | ||
| scan0398 | Instruction sheet detailing tests on two specimens each of different gauge wires. | ||
| View original record | RR 300 (120B) (SF 349 24-1-19) MP 200552 X.2515 91209 ROLLS-ROYCE LIMITED. INSTRUCTIONS. Date Sept 20th 1920 To E.F.C. Order No P.A. 22. Customer's No. Re X.2515 Tests of two specimens each, of… | ||
| scan0399 | Instruction sheet detailing fusing current test results for two different wire gauges. | ||
| View original record | RR 300 (120B) (SF 349 24-1-19) MP 200552 91210 ROLLS-ROYCE LIMITED. INSTRUCTIONS. Sept. 30th 1920 To E.F.C Order No P.A. 22 Customer's No. Re X First Table: No. of Test. | Fusing current. amps. |… | ||
| scan0400 | Test report on gauge wire, detailing issues with a fuze carrier and listing fusing current measurements. | ||
| View original record | RR 300 (120B) (SF 349 24-1-19) MP 200552 91211 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To E.F.C. Order No. P.A. 22. Customer's No. Re X In the third test on the 17 gauge wire, it became attached to the… | ||
| scan0401 | Instruction sheet detailing fusing current tests for different wire gauges. | ||
| View original record | RR 300 (120B) (SF 349 24-1-19) MP 200552 91212 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To E. F. C. Order No P.A. 22 Customer's No. Re X Date Sept. 30th 1920 17 S.W.G. .056 dia. No of Test. | Fusing current… | ||
| scan0402 | Instruction sheet detailing the results of fusing current tests on a 19 S.W.G. wire. | ||
| View original record | RR 300 (120B) (SF 349 24-1-19) MP 200552 91213 ROLLS-ROYCE LIMITED. INSTRUCTIONS. Date: Sept 30th 1920 To: E.F.C. Order No.: P.A. 22. Customer's No.: Re: x 19. S.W.G. .041" dia. Table: No of Test |… | ||
| scan0403 | Properties and selection of appropriate fuse wire. | ||
| View original record | X.26787- To Wd. from EFC. c. to Wd/Ms. c. By. EFC4/T1.10.20. X.2515 - FUSE WIRE. We have recently received from the London Electric Wire Co. 5 samples of fuse wires; two under cover of their letter… | ||
| scan0404 | The suitability of wire samples for a switchbox based on their fusing current. | ||
| View original record | Contd. -2- EFC4/11.10.20. Regarding the wire for the switchbox it will be seen that the first sample No.30 is lower in fusing current than our specification and therefore is not suitable. On the other… | ||
| scan0405 | Results of tests on a Smith dynamo and comparing different exciting circuits and fuse systems. | ||
| View original record | X2515 To EFC. from R. Copy to CJ. " " EAC. " " Pn. " " R.R. of America Inc. (For the attention of CY). X.2951. X.3936. X.3014b. X.3560. X.2515. X.796. RE SMITH DYNAMO. I am pleased with the tests that… | ||
| scan0406 | Continued document discussing the design of a hand-wound armature for a dynamo. | ||
| View original record | Contd. -2- R3/G5.10.20. of a hand wound armature, but would do much towardsmaking the dynamo efficient and silent; it is an identical plate in size and slots with that used on a series of small… | ||
| scan0407 | Recommendation for fitting additional fuses for body lighting circuits. | ||
| View original record | X. 2575 To EP/Thn. from EFC. EFC4/T6.10.20. X.2580 (struck through) RE. FUSES FOR BODY LIGHTS. X.2575. In answer to your EP/Thn4/F5.10.20, we do think it would be the right thing to recommend that an… | ||
| scan0408 | Required specifications for fuse wires for the chassis switchbox and junction box. | ||
| View original record | Ms. from By. CEFC. X.2515. X.3749. X.3564. X2515 By4/P8.10.20. CHASSIS - SWITCHBOX AND JUNCTION BOX. Referring to EFC's memo on the above subject, what we actually require for the fuse wires on the… | ||
| scan0409 | Letter to a supplier rejecting fuse wire samples and requesting new ones with specific fusing properties. | ||
| View original record | X.2575 Wd/Ms22/FJ11.10.20. 11th October, 1920. Messrs. London Electric Wire Co. & Smith Ltd., Playhouse Yard, Golden Lane, London, E.C.1. Dear Sirs, Fuse wire for Junction Boxes. Ref. "R" With further… | ||
| scan0410 | Letter confirming the satisfactory testing of a 30 SWG fuse wire sample from the London Electric Wire Company & Smiths Ltd. | ||
| View original record | X.2675. Wd/Ms21/FJ11.10.20. 11th October, 1920. Messrs. London Electric Wire Company & Smiths Ltd., Playhouse Yard, Golden Lane, London E.C.1. Dear Sirs, Fuse Wire. Ref.- "R". With reference to your… | ||
| scan0411 | Inadequacy of Lucas electrical components and the development of new in-house switches and fuses. | ||
| View original record | X2575 To R.R. of America Inc. from R. (For the attention of OY). Copy to CJ. " " PN. " " Hs. " " Da. " " EP. " " By. " " EFC. X.2515. RE FUSES. X.4202. X.4165. With reference to fuses, you will… | ||
| scan0412 | Letter regarding samples of 19s and 20s Pure Tin Wire for Fuse Wire Junction Boxes. | ||
| View original record | X.2575. THE LONDON ELECTRIC WIRE CO. AND SMITHS LIMITED. Golden Lane, London, E.C.1. Wd/Mw21 & 22/FJ11.10.20. 25th October, 1920. Messrs. Rolls-Royce Ltd., Nightingale Road, D E R B Y. Dear Sirs, With… | ||
| scan0413 | Test results for two specimens of fuse wire for a Lucas Junction Box. | ||
| View original record | RR 300 (120B) (SF 349 24-1-19) MP 200552 X.2575 91234 ROLLS-ROYCE LIMITED. INSTRUCTIONS. Oct. 26th 1920 To E.F.C. Order No PA.35 Customer's No. Re X.2515 X.3654 Tests of two specimens of fuse wire for… | ||
| scan0414 | The testing of two different gauges of pure tin fuse wire to determine their fusing currents. | ||
| View original record | X.2575 EFC4/T27.10.20. To Wd. from EFC. c. to Wd/Ms. c. By. X.2515 - FUSE WIRE - X.3564 With reference to the two samples 19 S.W.G. and 20 S.W.G. of pure tin fuse wire received from the London… | ||
| scan0415 | Specifying the use of 19 SWG pure tin fuse wire for the junction box after testing samples. | ||
| View original record | R.R. 245B (100 T) (S.H. 89. 22-7-20) G. 2769 X2575 Mr Booth from BY/Mtn. c. EFC. BY/Mtnl1/P1.11.20. RECEIVED, NOV 1920 X.2575 CHASSIS - WIRING. RE FUSE WIRE FOR JUNCTION BOX. ----------------- X.3564… | ||
| scan0416 | Test report on the fusing currents of copper fuses in a PR Distribution Box. | ||
| View original record | RR 300 (120B) (SF 349 24-1-19) MP 200552 X.2575 88240 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To: EFC Order No: 21 Re: X 2515 Customer's No.: 1 9 - XI - 1920 Fusing Currents of Copper Fuses in PR… | ||
| scan0417 | Table detailing the fusing currents for various gauges of copper wire. | ||
| View original record | RR 300 (120B) (SF 349 24-1-19) MP 200552 88241 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To Order No. Customer's No. 2 Re Copper wire Fusing Currents | Gauge | Diameter | Fusing current Amps | Remarks. |… | ||
| scan0418 | Failures of the electrical system, wiring, and luggage carriers, following feedback from an American visit. | ||
| View original record | X. 2515. extract Contd. -3- EP6/F11.11.20. X. 3614 - Re American Visit. (5) FAILURE OF ELECTRICAL SYSTEM. X. 3878. X. 2515. X. 4162. X. 3014b. X. 1925. Dynamos have given trouble the chief fault being… | ||
| scan0419 | The correct fuse wire size for a new distribution board. | ||
| View original record | x2515 To Hs. from EFC. c. RHC. c. Da. c. Da/Thr. c. By. c. By/WER. EFC1/T13.11.20. X.4173. - NEW R.R. DISTRIBUTION BOARD FOR DOUBLE WIRING. - FUSES. X.2515. Will you kindly note that the correct size… | ||
| scan0420 | Comparison of different fuse wires against a standard tin fuse wire, showing their respective melting currents. | ||
| View original record | RR 300 (120B) (SF 349 24-1-19) MP 200552 X.2575 91242 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To E.F.C. Order No. P.A.39. Re X. 2515. Customer's No. Nov. 17th 1920 Comparison of fuse wires with Standard… | ||
| scan0421 | Incorrect amperage rating of a received supply of 30 S.W.G. fuse wire. | ||
| View original record | X.2575 F.R. EFC. c. to BY c. to WD EP/Thn10/F17.11.20. X.2575 RE. 30 S.W.G. FUSE WIRE. X. We have now received a supply of this, which has been on order for some long time, but on having it tested we… | ||
| scan0422 | Fusing current and suitability of a specific fuse wire for a Lucas switchbox. | ||
| View original record | X. 2575 To EP/Thrn. from EFC. C. Wd. C. Ev. EFC1/ATI 8.11.20. X.3749.-RE FUSE WIRE FOR LUCAS SWITCHBOX. X.2575 The fusing current of this wire is only as low as 4 amps. in exceptional circumstances… | ||
| scan0423 | Internal request to order one pound of No. 30 S.W.G. soft copper fuse wire for a new distribution board. | ||
| View original record | R.R. 255B (100 T) S.H.89. 22-7-20) G 2769 L.7. X2515 To Wd/Ms. from EFC. C. Wd. EFC2/T19.11.20. X. 2515 - COPPER WIRE FUSE WIRE FOR NEW R.R. DISTRIBUTION BOARD. Will you kindly order up one pound of… | ||
| scan0424 | Outlining suggested improvements to chassis wiring, including fuse fittings, junction box drainage, and wire clipping. | ||
| View original record | By. from EP. c. to Hs. c. to EFC. x2515 EP6/F19.11.20. X.4172. RE SUGGESTED IMPROVEMENTS TO CHASSIS WIRING. The following are a few suggestions which have been brought forward to Mr. Wyer, and which… | ||
| scan0425 | The quality and supply of fuse wire for Lucas switchboxes. | ||
| View original record | X 2575 F.R. C EFC. EP/Thn12/F3.12.20. X 3749 RE. FUSE WIRE FOR LUCAS SWITCHBOXES. X 2575 With reference to your EFC1/AT18.11.20 we are now using the fuse wire recently supplied, and so far have not… | ||
| scan0426 | Request to order a quantity of pure tin fuse wire for the Experimental Department. | ||
| View original record | X.2575 To Wd. from EFC. c. Wd/Ms. c. EFC3/T4.12.20. X.2515 - FUSE WIRE. X.3249 Will you kindly order up for the Experimental Dept. a small quantity (half a pound) of pure tin fuse wire No.29 S.W.G.… | ||
| scan0427 | Fuse wire failures in a Lucas switchbox due to heat from the cut-out windings and potential solutions. | ||
| View original record | X.295 EFC2/T4.12.20. To EP/Thn. from EFC. c. to Ey c. to Ey/WER. X.2515 - FUSE WIRE FOR LUCAS SWITCHBOX. X 3749 With reference to your EP/Thn12/F3.12.20, it would appear that the fuse failures we have… | ||
| scan0428 | Proposal to cut a hole in a box to improve air circulation and reduce the temperature of the cut-out windings. | ||
| View original record | Contd. -2- accumulates in this box. This ought certainly to be effective provided, as you will be able to confirm for us, that the box itself becomes higher in temperature than the ambient air. Do you… | ||
| scan0429 | Correspondence regarding fuse wire for Lucas switchboxes and suggestions for switchbox ventilation. | ||
| View original record | x.2575 F.R. 2 DC 8 C EFC. RECEIVED. X.3749 EP/Thn12/F8.12.20. RE. FUSE WIRE FOR LUCAS SWITCHBOXES. x 2575 Replying to your EFC2/T4.12.20. we note you consider that we should wait a further week or two… | ||
| scan0430 | Experiments on the field fuse in a Lucas switchbox to test its current carrying capacity. | ||
| View original record | X2515 To Hs/TMW. from EFC. c. to EP. c. to EP/Mr. Wyer. c. to By. c. to Da. X.3749. X.2515. RE FUSE IN LUCAS SWITCHBOX. X.3743b. During my run on 2.EX Car this weekend, I made some experiments on the… | ||
| scan0431 | Confirming a modification to a switchbox for cooling and detailing tests for a new fuse and a Willard battery. | ||
| View original record | Contd. -2- EFC2/T13.12.20. suggested hole in the top of the switchbox to assist in keeping the cutout cool for other reasons than those conn- ected with the fuse. This, therefore, is to confirm that… | ||
| scan0432 | Instruction sheet confirming the receipt of a quantity of fuse wire from the stores. | ||
| View original record | RR 300 (120B) (SF 349 24-1-19) MP 200552 X.2515 95135 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To E.F.C Date 23/12/20 Order No Customer's No. FD. 10. Re X 2515 Fuse Wire X.3749 We have received from the… | ||
| scan0433 | Test report on the fusing currents of tin wire in a Lucas junction box. | ||
| View original record | X 2575 X.3564. FUSING CURRENTS OF TIN WIRE X.2515. IN LUCAS JUNCTION BOX. The wire submitted for test was fitted in the standard Junction box and current raised gradually while the box was subjected… | ||
| scan0434 | Instruction sheet confirming receipt of 1lb of 30 S.W.G. copper wire for fuses from the stores. | ||
| View original record | RR 300 (120B) (SF 349 24-1-19) MP 200552 X. 2575 95143 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To: E.T.C. Order No: Re: X 2515 Date: 19/1/21 Customer's No: F.D. 18 Copper Wire for fuses. X.4173 We have… | ||
| scan0435 | Extract from a visit report regarding improvements to the 40/50 HP distribution board. | ||
| View original record | X2515 Extract from E4/G31.3.21. RE VISIT OF MESSRS. HIVES & DAY TO W.W. on 6 EX 12th MARCH. 1921. (1) 40/50 HP. DISTRIBUTION BOARD. X.4173. X.2515. A place must be provided for carrying fuse wire… | ||
| scan0436 | Complaining about the continual failure of Lucas fuse holders due to bad connections. | ||
| View original record | A. Hs. from EP. c. to By. c. to Da. c. to E. c. to EFO. X.2515 FR EP14/F11.4.21. X.3564 RE. LUCAS FUSE HOLDERS. X.2515 I again bring forward the above as a serious weakness in our present system, and… | ||
| scan0437 | Failures of Lucas electrical fittings on post-war chassis. | ||
| View original record | X.2515 Wd. from EP. c. to Wor. c. to EFC. c. to Da. c. to By. c. to Hs. EP2a/F11.4.21. X.3770. X.3014. RE LUCAS ELECTRICAL FITTINGS FOR OUR POST X.2515. X.3749. WAR CHASSIS. With reference to your… | ||
| scan0438 | The failure of fuse wire connections and a recommendation for an in-house improvement. | ||
| View original record | EHDE IJ (12-6-41 EBD. H 2( T 02) ASHE .M.H Contd. -2- EP25/F11.4.21. 3. Failure of the fuse wire connections. This is certainly one of the most serious troubles we have had, about which I have… | ||
| scan0439 | The adaptation of the Lucas Junction Box to use copper wire fuses instead of tin-lead. | ||
| View original record | To Da. from EFC. c. By. c. E. c. EP. X2515 EFC4/T12.4.21. X.3564. LUCAS JUNCTION BOX - FUSE HOLDERS. X.2515 In view of Mr. Platford's note EP14/F11.4.21, we suggest that the Elec. Design Dept.… | ||
| scan0440 | The fitting of a Lucas junction box with R.R. design fuse holders in the Experimental Shop. | ||
| View original record | X-2515 To Da. from EFC. c. By. c. EP. c. E. EFC3/T13.4.21. X. 3564 - LUCAS JUNCTION BOX - FUSE HOLDERS. X. 2515 Further to our EFC4/T12.4.21 we now find that Mr. Hives has already instructed a Lucas… | ||
| scan0441 | Proposed fuse clip design from Lucas for their junction box. | ||
| View original record | X.2515 39, Munster Road, Fulham. S.W.6. To By. from EFC. ------------------ 25th April 1921. X.3564 X.2515. RE FUSE CLIP FOR LUCAS JUNCTION BOX. Mr. Brock and myself visited Messrs. Lucas on Saturday… | ||
| scan0442 | Letter to Lucas Electrical Company regarding the preference for the R.R. design of fuse holder over a proposed modification. | ||
| View original record | R.R. 375A (100 T) (S.H. 728, 10-12-20) G. 2947 X2515 BY4-P28421. April 28/21. Thursday. The Lucas Electrical Company Ltd., Well Street, BIRMINGHAM. Dear Sirs, X.3564 CHASSIS - JUNCTION BOX. X.2515. RE… | ||
| scan0443 | Extract from a report on a visit to Messrs. Lucas in Birmingham regarding the design of a junction box and fuse clips. | ||
| View original record | R.R. 285A (100 T) (S H. 798. 10-12-20) G. 2947 X2578 Extract from EFC2/T4.5.21. RE VISIT TO MESSRS. LUCAS, BIRMINGHAM. Lucas Junction Box and Fuse Clips. X.3564. X.2515. A Lucas junction box had been… | ||
| scan0444 | The fitting of special R.R. fuse clips to a Lucas junction box. | ||
| View original record | x 2575 To By. from EFC. c. By/HEB. EFC6/T9.6.21. X.3564 - LUCAS JUNCTION BOX - SPECIAL R.R. FUSE CLIPS. x 2570 We shall be glad to hear from you as to what is now the position between ourselves and… | ||
| scan0445 | Delay in orders for a 40/50 chassis Lucas junction box and special fuse clips. | ||
| View original record | R.R. 235B (100 T) (S.H. 798. 10-12-20) G. 2948 x2515 EFC from BY/C. BY/C1/P11.6.21. X.3564 40/50 CHASSIS LUCAS JUNCTION BOX. X.2515. RE SPECIAL R.R. FUSE CLIPS. In reply to your EFC6/T9621, please… | ||
| scan0446 | Extract from conference minutes regarding the design and modification of fuse holders in switchboxes and junction boxes. | ||
| View original record | x2575 Extract from MINUTES OF CONFERENCE OF JUNE 13th, 1921. X.3749. X.3564. X.2515. FUSE HOLDERS IN SWITCHBOX AND JUNCTION BOX. The fuse holder in the switchbox, as well as the junction box, is now… | ||
| scan0447 | Extract from a report on the 4-EX vehicle, discussing the pros and cons of earthed versus double wiring systems for the distribution board. | ||
| View original record | R.R. 235A (100 T) (S.H. 798, 10-12-20) G 2947 X2515 Extract from R1/G17.6.21. X.3764 - REPORT ON 4-EX JUST RETURNED FROM AMERICA. DISTRIBUTION BOARD. X.3976 X.4173 X.2515 X.4172. Regarding the… | ||
| scan0448 | Extract discussing modifications to a Lucas dynamo, focusing on the switch box, fuses, switches and contacts. | ||
| View original record | X 2575 Extract from R4/G20.4.21. RE LENGTHENED LUCAS DYNAMO. X.3749. X.2515. Having seen to these modifications we must return to the switch box. It will be understood that we wish the fuse carriers… | ||
| scan0449 | Recommendation to fit new switchboxes, accumulator switches, and dynamo belt tension springs to new and existing cars. | ||
| View original record | Contd. -3- R4/C20.4.21. I should be very pleased to see specimens of the new switchbox with the new type of accumulator switch, and as soon as this can be purchased not one of the old ones should be… | ||
| scan0450 | Minutes of a conference with Lucas Electrical Co. Ltd. regarding the supply and issues with electrical equipment. | ||
| View original record | X2575 MINUTES OF CONFERENCE. HELD AT THE OFFICES OF Messrs. Rolls-Royce Ltd. Derby. June 22nd 1921. Present:- Representing Rolls-Royce Ltd., Mr. Wormald, Col. Harker Mr. Hives Mr. Clark Mr. Bailey Mr.… | ||
| scan0451 | Meeting notes discussing component updates with Lucas, including converting machines, dynamo brushes, a Goshawk II electrical scheme, and a lamp bracket. | ||
| View original record | -2- Contd. important to effect the change as quickly as possible to this longer model. Mr. Lucas understood to send to Mr. Whitehead the estimated cost of converting existing machines held in stock by… | ||
| scan0452 | Copy of a letter from Joseph Lucas Ltd. regarding follow-up actions from a conference, including test reports and product modifications. | ||
| View original record | X2575 Copy of letter from:- JOSEPH LUCAS LTD., GREAT KING STREET, Birmingham. OL/1. June 23rd./21 Messrs. Rolls-Royce Ltd., Nightingale Road, Derby. X 4349 X.3945 X.2515. Dear Sirs, Further to the… | ||
| scan0453 | Difficulty of fitting a specific fuse holder into a Lucas switchbox and the storage of spares. | ||
| View original record | X2515 To Da. from EFC. c. to Ry. c. to Da/Thr. c. to By/WER. c. to R. EPCL/T1.7.21. X.3749- LUCAS SWITCHBOX - FITTING OF R.H. FUSE HOLDER IN THE SWITCHBOX. X2575 Messrs. Lucas' have been looking into… | ||
| scan0454 | Unreliability of Lucas dynamos and considering alternative strategies including purchasing American parts. | ||
| View original record | X2515 To W.J. from R. c. to Works Committee c. to Hs. & EPC. R10/G2.7.21. X.4165. X.3014b. X.2515. X.4352. X.3945. X.294. FURTHER NOTES RE LUCAS ELECTRICAL EQUIPMENT TO BE READ WITH THOSE OF 1.7.21. I… | ||
| scan0455 | Reliability of electrical components like fuses and graphite parts, referencing a prior committee report. | ||
| View original record | RIO/G2.7.21. -2- Contd. by Lucas were wearing badly. Apparently the ones to be supplied in future are Le Carbone electrical graphite marked E.G.O. What is the make and brand of those that have failed… | ||
| scan0456 | Extract discussing difficulties with Lucas over fuse holder design and fuse wire materials. | ||
| View original record | X 2575 Extract from Wd5/NJ/7.7.21. X.4165 RE ELECTRICAL EQUIPMENT. X.2515. X.3749. Fuses. Lucas' have not yet found a way to fit our design of Fuse Holder in the switchbox. Our Mr. Thacker visited… | ||
| scan0457 | Response from Lucas Electrical Co. Ltd. regarding modifications to a fuse holder for a switchbox. | ||
| View original record | R.R. 235A (100 T) (S.H. 798. 10-12-20) G. 2947 By. from Wd. C. to Dy/Mr. Thacker. c. to ERS. c. to Hs. X2575 Wd4/NJS.8.7.21. X2575 X3749 Chassis - Re Fuse Holder for Switchbox. Yours By/Mtnl/H5.7.21.… | ||
| scan0458 | Agreeing to alter the centres of the fuse holder for the switch box. | ||
| View original record | R.R. 199 (250T) (SD676 19-7-17) MP180865 X2575 BY/Mtn2/H. 9. 7. 21. Wd. c. Da/THR. c. FPO. c. Hs. X2575 X3749 CHASSIS - RE FUSE HOLDER FOR SWITCH BOX. Referring to your memo Wd4/WJ. 8. 7. 21. the… | ||
| scan0459 | Extract from a letter from the Lucas Company regarding the application of a fuse holder to a switch box. | ||
| View original record | R.R. 235B (100 T) (S.H. 798, 19-12-20) G. 2948 X.2515 Extract of letter from Lucas Company of July 11th, 1921. X.2515 X.3749. (1) Application of Rolls-Royce Type Fuse Holder to our Present Switch Box.… | ||
| scan0460 | Report of a visit to Lucas Electrical Company regarding fuses and design changes for a 40/50 switchbox. | ||
| View original record | X 2575 Extract from THR1/CB12.7.21. REPORT OF VISIT TO LUCAS ELEC: CO., JULY 11th 1921. At a meeting with Messrs. O. Lucas, C. Breedon, Ireland, and Turner, at Messrs. Lucas Ltd. Birmingham, the… | ||
| scan0461 | Letter to Lucas Electrical Co. Ltd. regarding the appropriate gauge of fuse wire for fuse holders and switchboxes. | ||
| View original record | c. Wd. Da/Thr X.2515 EFC2/T. 13th July, 1921. The Lucas Electrical Co.Ltd., Well Street, Birmingham. Dear Sirs, X. 2515 X. 3749 Re Fuse Wire for R.R.Type Fuse Holders and Clips in Lucas Switchbox. We… | ||
| scan0462 | Letter discussing the operational conditions of a dynamo when run with the battery disconnected. | ||
| View original record | EFC2/T. -2- Contd. in ordinary working conditions and yet should be certain of failing in abnormal conditions arising, should an attempt be made to run the dynamo with the battery disconnected. Yours… | ||
| scan0463 | Fuses and fuse holders, comparing the R.R. type with the Lucas type and the provision of spares. | ||
| View original record | R. from EFC. c. to CJ. c. to Da. c. to Ev. X 2575 ERS/T15.7.21. X.2515 - RE FUSES AND FUSE HOLDERS. The provision of two spare fuse holders (ready loaded) in the Lucas switchbox or distribution box… | ||
| scan0464 | Proposal for a scheme of R.R. fuse holders and clips with two spare ready-loaded fuses. | ||
| View original record | R.R. 235A (100 T) S.H. 798. 10-12-20) G 2947 Contd. -2- EFC6/T15.7.E1. We are of the opinion that in customers' hands the scheme of R.R. fuse holders and clips with two spare ready loaded fuses would… | ||
| scan0465 | Letter from Lucas Electrical Company regarding fuse wire tests, a wiring diagram for a 20 amp aircraft set, and other electrical components. | ||
| View original record | X.2515. TELEGRAMS: "MAGDYNO, BIRMINGHAM" PROPRIETORS: JOSEPH LUCAS LTD TELEPHONE: CENTRAL 1308 (2 LINES) THE LUCAS ELECTRICAL COMPANY LTD INCORPORATING THOMSON-BENNETT MAGNETOS LTD WELL STREET,… | ||
| scan0466 | Test report on tinned copper fuse wire for a switchbox. | ||
| View original record | THE LUCAS ELECTRICAL CO. LTD. BIRMINGHAM. RE FUSE WIRE FOR ROLLS ROYCE SWITCHBOX. ----------------- Tinned 40 S.W.G. The fuse wire supplied (Tinned copper .0047" Dia.) was tested by running an… | ||
| scan0467 | Letter from The Lucas Electrical Company regarding the supply and modification of E.575 dynamos for a 40-50 HP chassis. | ||
| View original record | X2575 THE LUCAS ELECTRICAL COMPANY LIMITED? WELL STREET, BIRMINGHAM. July 21st. 1921. Our ref. CLB/1. Messrs. Rolls-Royce Ltd., Nightingale Road, Derby. Dear Sirs, Electrical Equipment 40-50 h.p.… | ||
| scan0468 | Letter from a supplier discussing responsibility for defective cutouts and fuse holders. | ||
| View original record | C&S TO RR-21-07 NOT REQD/ET FLLD XXXX July 21st.1921. -2- Contd. X.3770. X.4349. CUTOUTS. As previously agreed we accept full responsibility for defective cutouts we have supplied and we undertake to… | ||
| scan0469 | An agreement with the Lucas Electrical Company on the size of tinned copper fuse wire. | ||
| View original record | X2515 To Da. from EFC. Ry. c. to Wd. c. to EP. EFC2/T5.8.21. X.2515 - FUSE WIRE FOR FIELD FUSE IN LUCAS SWITCHBOX FITTED WITH R.R. TYPE FUSE HOLDERS AND CLIPS. X3749 Please find attached copy of a… | ||
| scan0470 | Letter to the Lucas Electrical Company regarding the supply of fuse wire for their switchbox. | ||
| View original record | X2575 EFC1/T. 5th August, 1921. The Lucas Elec. Co.Ltd., Well Street, Birmingham. Dear Sirs, X2575 Re Fuse Wire for R.R.Type Fuse Holders & Clips X3749 in Lucas Switchbox. We have now confirmed your… | ||
| scan0471 | Letter from The Lucas Electrical Company Ltd. regarding a delay in response about fuse wire and clips. | ||
| View original record | X2515 COPY OF LETTER RECEIVED FROM:- THE LUCAS ELECTRICAL COMPANY LTD., WELL STREET, BIRMINGHAM. FHW/14. August 12th, 1921. Messrs. Rolls-Royce Limited, Nightingale Road, Derby. Dear Sirs, X.3749. Re… | ||
| scan0472 | Comparison of fusing currents for two different gauge copper wires. | ||
| View original record | RR 238 (300 Bks.) (SF 152. 6-11-18.) MP 197880 X.2515. ROLLS-ROYCE LIMITED. INSTRUCTIONS. To E.F.C. Order No P.B.15 Customer's No. X 2515. Date Aug 18th 1921 X.2515 Comparison of Fusing Currents of… | ||
| scan0473 | Comparison of two different copper fuse wires, one standard and one tinned. | ||
| View original record | X2515 To EP/Mr. Wyer, from EFC. EFC2/T19.6.21. X.2515 - COPPER WIRE FUSES. X3564 We have made a carefully comparison of the 30 S.W.G. (.0124" dia.) copper wire on our reel and the tinned copper wire… | ||
| scan0474 | Query regarding a scheme for carrying spare ready-loaded fuses in the Goshawk distribution box. | ||
| View original record | X2515 To By. from EFC. c. By/WER. EFC2/T11.4.22. X.4410 - GOSHAWK DISTRIBUTION BOX - FUSES. X2515 Have we any scheme for the carrying of spare ready-loaded fuses in the Goshawk distribution box ? If… | ||
| scan0475 | The design of the Goshawk II distribution board cover and fuse wire supply. | ||
| View original record | To By. from E. c. to CJ. Wpr. c. to Hs. EFC. c. to EP. X2515 E2/M27.5.22. X.4410. GOSHAWK II DISTRIBUTION BOARD. X.2515. On consideration of the cover of the distribution board Mr. Royce is still… | ||
| scan0476 | Request for information on the material, thickness, and resistance load of fuse wire for car electrical installations and Lucas switchboards. | ||
| View original record | N-W. X.2515 M1/H.11.9.22. Technical - Electrical Installation. ----- We shall be glad if you will kindly let us know by return the material, thickness, and resistance load of fuse wire now used on… | ||
| scan0477 | The correct fuse wire sizes for the electrical installation on the 40/50 car. | ||
| View original record | W/N. X2515 EFC2/T12.9.22. X.2515 - FUSES FOR R.R.ELECTRICAL INSTALLATION In answer to your M1/H11.9.22, the correct size of fuse wire for the Lucas junction box fuses on the 40/50 car is No.30 SWG.… | ||
| scan0478 | From R. to EFC. declining the use of fine fuses as they are considered too delicate. | ||
| View original record | X2575 To EFC. from R. X.2515. X.4338. R4/M1 7.11.23. Replying to your memo EFC3/T14.11.23., we do not want to use fine fuses, which are sure to fail occasionally when all is right - they are too… | ||
| scan0479 | The standardization of tinned or non-tinned fuse wire for the 40/50 and 20-HP chassis. | ||
| View original record | X2815 Wor. (crossed out) BY. (crossed out) EFC. Hm/NRC7/D8.12.23. Re Fuse wire. The same diameter of copper fuse wire, namely, 30-SWG. is used on both the 40/50 and the 20-HP. chassis throughout, with… | ||
| scan0480 | Testing of a 40 S.W.G. copper field fuse for the Goshawk dynamo and the need for a new fuse holder. | ||
| View original record | To BY. from EFC. c. Hy/RD. c. EP. X2575 EFC3/T12.12.23. X.4383 - FIELD FUSE FOR GOSHAWK. & E.A.C. X.2515. As explained to you in conversation, we now have very definite evidence that technically… | ||
| scan0481 | Use of tinned copper wire for Goshawk distribution box fuses. | ||
| View original record | X2575 To BY. from EFC. c. Wor. c. Hm/NRC. EFC5/T17.12.23. X.2515 - FUSE WIRE. VU410 Reference Hm/NRC7/D8.12.23. We have no objection to the use of tinned copper wire in place of bare copper wire of 30… | ||
| scan0482 | Agreeing to use 30 SWG tinned copper fuse wire for the 20 HP chassis. | ||
| View original record | V2515 Mr. Davis. G. Hm. c. EPC. BY/C18/H. 11. 1. 24. FUSE WIRE. With reference to the suggestion made in Hm/NRC7/D. 8. 12. 23, it is agreed that we should get the copper fuse wire which is 30 SWG. for… | ||
| scan0483 | Faulty fuse carriers on the 20-HP model and suggesting improvements. | ||
| View original record | BY. c. EFC. c. Hs c. Mr. Walker, D.O. c. SFT. for Mr. Brock. X2575 re. 20-HP. Faulty Fuse Carriers. We have had several instances in which the electrical system has been at fault owing to faulty… | ||
| scan0484 | Query regarding the current draw and fusing safety of adding multiple auxiliary electrical fittings to a single circuit. | ||
| View original record | 1 Copy to Mr. B.K. VID 3 Copies S/W Hs. B K T19 1 Copy to Mr E.C.B Copy to EP. EY. X2515 (Mirrored stamp text) WORKSGERBERTS MILL THE CRECY. OF ... PLACE TTD BY CWB8/GM2.3.27. ON BEHALF OF TECHNICAL… | ||
| scan0485 | Technical discussion on the implications of extra electrical fittings and the appropriate fusing currents for car electrical systems. | ||
| View original record | 1 Copy W/S. to H.R. V'ID 3 Copies To CWH. q'from EFC. 1 Copy C. to EFC. X207 EFC/2/14.3.27. X4629 EXTRA ELECTRICAL FITTINGS ON CARS. With reference to your CWHB/CM2.3.27. addressed to 'Hs', the actual… | ||
| scan0486 | Requesting a copy of the document be sent to the undersigned. | ||
| View original record | Draft: Remarks on the running generally: -2- EFC2/T4..3.27. Contd. a copy of a memo should be addressed to the undersigned. EFC. | ||
| scan0487 | Clarifying the electrical connections for a cutout, green lamp switch coil, and green lamp. | ||
| View original record | X2515 To R. from EFC. c. BJ. EFC5/T26.7.28. ELECTRICAL CONNECTIONS OF CUTOUT, GREEN LAMP SWITCH COIL AND GREEN LAMP. X4080 (crossed out) X8780 I have received your R4/M20.7.28. I think there has been… | ||
| scan0488 | Dynamo fuse failures, cutout shunt coils, and the function of the danger lamp. | ||
| View original record | -2- Contd. when there was a failure of the dynamo positive fuse, and also that the supply of the lamp itself should be connected as near to the battery as possible, so as to stand less chance of the… | ||
| scan0489 | The failure of a field fuse due to cumulative oxidation and potential solutions. | ||
| View original record | -3- Contd. one of the shunt coil currents we think there would be difficulty with the field fuse (using present standard). I wrote another note to E. ref. EFC2/T24.7.28 con- cerning this matter, the… | ||
| scan0490 | The wiring connections for the green lamp switch unit and Klaxon horn. | ||
| View original record | -4- Contd. utilise one which gave more protection to the system without the possibility of occasional failure for no good reason. Returning to the green lamp switch unit, admittedly it simplifies… | ||
| scan0491 | Electrical arrangement proposals, focusing on a dynamo field resistance unit to control battery overcharging. | ||
| View original record | -5- Contd. right from all points of view. Our various proposals are not necessarily intended to carry any degree of finality but are merely suggestions for consideration so that we may, in conjunction… | ||
| scan0492 | Fusing current for main and distributing fuses and the specifications for ammeters. | ||
| View original record | To R. from EFC. c. c. E. BJ. BY. X2515 X9780 EFC3/T19.9.28. Referring to your R1/M18.9.28 and in particular the fusing current of main and distributing fuses, the fusing current of 15 amperes for 30… | ||
| scan0493 | Table of fusing currents for different gauges of copper wire. | ||
| View original record | X2515 19.9.28. TABLE OF FUSING CURRENTS of COPPER WIRE. Gauge No. Fusing current (amperes). 32 Eureka 14 34 11 30 18 28 24 26 32 24 55 EFC. | ||
| scan0494 | Experimental testing of car electrical system faults and specific earthing issues. | ||
| View original record | EFC. ) FROM R. HS. } PY. } C. to BJ. WOR. DA. E. Y 2515 R1/M21.9.28. CAR ELECTRICAL EQUIPMENT. X7780 X7740 Have you experimentally demonstrated all sorts of faults on the electrical system of our… | ||
| scan0495 | Specifications for fuse wire in the 'SS' electrical system, particularly concerning accessories. | ||
| View original record | X2515 EFC. from E. c. to BJ. BY. Hs. By/CGH. E3/M15.11.28. "SS" ELECTRICAL SYSTEM. X.7780 X.2515. X.7740 Referring to your memos. EFC2/&/6/T&1128, the two strands of fuse wire you mention are intended… | ||
| scan0496 | Dangerous alteration to the EAC.10 distribution board's main battery fuse. | ||
| View original record | To R. from EFC. c. E. BJ. HY. AH/IRD X8575 EFC3/T30.11.28. EAC.10 DISTRIBUTION BOARD On the new EAC.10 distribution board the main battery or emergency fuse has been altered from the type with the… | ||
| scan0497 | Dangers of modifying the main fuse holder and recommending the original arrangement be retained. | ||
| View original record | -2- Contd. a distribution fuse holder can be put in the main fuse clips in which case there is then a fuse of only 30 amperes capacity. We consider that in making this change we have given an… | ||
| scan0498 | Table of fusing currents for different gauges of copper wire. | ||
| View original record | X25/5 17.5.29 TABLE OF FUSING CURRENTS OF COPPER WIRE. Gauge No. Fusing current (amperes) Area (unit .0001 sq.inch) Ratio Fusing current/area 40 4 .23 17.4 38 6 .36 16.7 36 8 .58 13.8 34 11 .85 12.9… | ||