Rolls-Royce Archives
| Identifier | Entry | ||
| img001 | The endurance tests of S.U. electric petrol pumps. | ||
| View original record | x6007. Sg. From Hs/Wst. c. to Wor. c. to E. c. to By. c. to Da. c. to PN. Hs/Wst.6/MA.3.8.33. ENDURANCE TESTS ON S.U. ELECTRIC PETROL PUMPS. We have been running in the Electrical Laboratory two of… | ||
| img002 | Test data and circuit diagrams for an electrical component. | ||
| View original record | [Table] Column Headers: TEMP. °C., DELIVERY Pts/HR., VOLTS (RUNNING FREE), AMPS (RUNNING FREE), VOLTS WHEN SWITCHING, AMPS WHEN SWITCHING. Row 1: 40, 115, 11.75, 2.75, 11.75, 2.9 Row 2: 37, 118,… | ||
| img003 | Tests conducted on S.U. Electric Petrol Pumps to investigate a reported delivery fault. | ||
| View original record | x6007 From Hs/Wst. C. to By Hs/Wst.1/MA.11.9.33. S.U. ELECTRIC PETROL PUMPS. GWH. reported that when these pumps were wired by taking one common feed to one pump and looping in the second pump from… | ||
| img004 | The current draw of pumps and the potential for redesigning the pump winding for lower consumption. | ||
| View original record | -2- Hs/Wst.1/MA.11.9.33. Cont'd. It will be seen therefore that the pumps when working at their maximum delivery will require a current varying from 2 1/2 amperes to approximately 3 amperes, and with… | ||
| img005 | Protecting the ignition system by independently fusing electric petrol pumps. | ||
| View original record | x6007. E. From Hs/Wst. c. to By. c. to Wor. Hs/Wst.2/MA.12.9.33. ELECTRIC PETROL PUMPS. PROTECTION OF IGNITION SYSTEM. We have adopted the principle on chassis relying solely on battery ignition, that… | ||
| img006 | Incorporation of a fuse into S.U. electric petrol pumps and the associated fire risk. | ||
| View original record | 46007 E. From Hs/Wst. Hs/Wst.3/MA.12.9.33. S.U. ELECTRIC PETROL PUMPS. With reference to our Hs/Wst.2/MA.12.9.33., we have today discussed this question with Mr.Morris of the S.U.Co. among other… | ||
| img007 | Description of the S.U. Electric Pressure Type Pump and its operation. | ||
| View original record | 6007. S.U. ELECTRIC PRESSURE TYPE PUMP. This pump differs from the S.U. Petrolift Fuel pump mainly in that it delivers under pressure to the carburetter. The principal elements of the pump are the… | ||
| img008 | Description of the operation of a pump's contact breaker, rods, and rocker gear, noting its durability. | ||
| View original record | 2 of the stroke by means of a contact breaker situated at the end of the pump remote from the casing and actuated through the rod "V", connected at one end to the armature "D" and at the other end to… | ||
| img009 | Instructions for mounting the S.U. Electrical Fuel Pump, Pressure Type. | ||
| View original record | INSTRUCTIONS FOR MOUNTING THE S.U. ELECTRICAL FUEL PUMP. PRESSURE TYPE. The pump should be mounted with the body in a horizontal direction, and the outlet union marked "OUT" pointing vertically… | ||
| img010 | Technical details on S.U. Electric Petrol Pumps, including power absorption, winding particulars, and temperature effects. | ||
| View original record | 86007 E. From Hs/Wst. Hs/Wst.6/MA.18.9.33. S.U. ELECTRIC PETROL PUMPS. We give below a few technical details regarding the above pumps. (1) Electrical Power absorbed. This, even with the maximum… | ||
| img011 | Graph plotting delivery versus temperature for two S.U. electric petrol pumps operating in parallel, comparing petrol and paraffin. | ||
| View original record | S.U. ELECTRIC PETROL PUMP. x6007 DELIVERY - TEMPERATURE CURVES OF TWO PUMPS WORKING IN PARALLEL. DELIVERY PTS/HR PETROL PARAFFIN TEMPERATURE °C. MEASURED ON PUMP BODY WGT. 13.3.38 | ||
| img012 | Graph and data table showing the standstill current versus temperature for an S.U. electric petrol pump at a constant 12 volts. | ||
| View original record | S.U. ELECTRIC PETROL PUMP STANDSTILL CURRENT — TEMPERATURE VOLTS CONSTANT AT 12 VOLTS TABLE DATA: STANDSTILL CURRENT AMPS | TEMP °C | TIME MINS 2.72 | 20 | 0 2.10 | 28 | 5 1.75 | 37 | 10 1.65 | 44 |… | ||
| img013 | Graph of delivery versus temperature curves for two S.U. electric petrol pumps working in parallel, comparing petrol and paraffin. | ||
| View original record | S.U. ELECT. PETROL PUMP DELIVERY - TEMPERATURE CURVES OF TWO PUMPS WORKING IN PARALLEL DELIVERY PTS/HR 60 80 100 120 140 TEMPERATURE °C 20 25 30 35 40 45 PETROL PARAFFIN REF. 6/39 DOT. 29.9.38 | ||
| img014 | Tests to determine the fuse value for an S.U. Electric Petrol Pump. | ||
| View original record | <6007> E. From Hs/Wst. c. to Ey/RD. Hs/Wst.12/MA.19.9.33. FUSE FOR S.U. ELECTRIC PETROL PUMP. We have carried out tests to determine the value of the fuse it is proposed to fit to the S.U. Petrol… | ||
| img015 | Cover note forwarding a copy of a letter sent to Messrs. S.U. Co. | ||
| View original record | To Hs. By Hs/Wst. By/RD. x6007 E.9/HP.9.10.33. We send you herewith a copy of a letter we have addressed to Messrs. S.U. Co. E. | ||
| img016 | Letter to The S.U. Company confirming the results of a discussion regarding various technical points. | ||
| View original record | E.4/HP. 7th October 1933. Messrs. The S.U. Company., East Works, Bordesley Green Road, Adderley Park, BIRMINGHAM.8. Dear Sirs, Referring to the visit of your Mr Kent on the 6th inst. we wish to… | ||
| img017 | List of proposed and agreed-upon modifications for an electrical component's assembly and materials. | ||
| View original record | E.4/HP. 7th October 1933. instead of this screw being held only by Bakelite threads which latter is not considered a sufficiently good mechanical job. (5) A Ross Courtney terminal will be used on the… | ||
| img018 | List of agreed design changes for pump components, including studs, nuts, vent holes, and shrouds. | ||
| View original record | E.4/HP. 7th October 1933. (9) It is agreed to use six studs and reach nuts instead of the six cheese head screws at present used for the petrol tight joint which has to be made between the body of the… | ||
| img019 | Fitting of vertical suction tubes and the inclusion of a fuse for each pump. | ||
| View original record | (14) With regard to the fixing of the vertical suction tubes in the centre casting, it is arranged that Messrs. S.U. will follow the method they find suits them best, which is by pressing the tube in… | ||
| img020 | Location of a bakelite moulding on a pump body and a proposed design revision. | ||
| View original record | (16) The point was raised with regard to the location of the bakelite moulding on the pump body insofar that this piece is not spigoted. Mr Kent says they have had no trouble with the present method… | ||
| img021 | Requesting prices for 185 complete electric petrol pumps for the 3.5 Litre Bentley, listing the associated drawing numbers. | ||
| View original record | WST 86007 To Royc. c. HS/Wst. c. BY/AD. BY1/EH.10.10.33. Re 3 1/2 Litre Bentley - Petrol Pump - Sec:5181. We attach hereto blue prints of the following drawings for you to please obtain prices for 185… | ||
| img022 | Letter from Simms Motor Units Ltd. regarding an unsuitable sample petrol filter. | ||
| View original record | DIRECTORS: FREDERICK R. SIMMS. W. MUIR ROBB, J.P. ROBINETT SCRUBY. ERNEST B. RIDSDEL. SIMMS BRANCHES ABERDEEN, 64 JASMINE TERRACE. BELFAST, 10, DUBLIN ROAD. BIRMINGHAM, 222, CORPORATION ST. BRISTOL,… | ||
| img023 | Letter to S.U. Carburetter Co. Ltd. questioning the design of contact points in petrol pumps. | ||
| View original record | 86007 Hs/Wst.5/MA. 2nd July, 1934. The S.U.Carburetter Co.Ltd., East Works, Bordesley Green Road, Adderley Park, Birmingham, 8. For the attention of Mr.Skinner. Dear Sir, We should like to know the… | ||
| img025 | The resistance values of S.U. petrol pump windings. | ||
| View original record | rb 007. 5.7.34. RESISTANCE OF S.U. PETROL PUMPS. Resistance of L.H. petrol pump winding = 4.07 ohms. Resistance of R.H. petrol pump winding = 4.0 ohms. Average resistance of winding = 4.035 ohms. | ||
| img026 | Production standstill due to delays with S.U. petrol pumps. | ||
| View original record | 86-007. To Hs. from ROY. c.c. to BY. c.c. to SFT. c.c. to ROY/AW. S.U. PETROL PUMPS We are at a complete standstill for these - in fact have none for this week's output. I understand Mr. Bowring made… | ||
| img027 | Specification for modification of a S-B-IV chassis prior to 10,000 miles trials. | ||
| View original record | To MR. [redacted] from MHC/EM. c.c. MR. [redacted] ps. c.c. Mr. [redacted] JMG c.c. F.O. ps. c.c. II. Wst. c.c. Dr(Stores). 86001. MHC/EM.1/EP.27.10.34 Specification for the modification of S-B-IV… | ||
| img028 | Parts list and modification instructions for front springs, oil pipes, front axle control, and rear axle. | ||
| View original record | -2- Front Springs & Fittings -contd- 2-FB.1485 Shackle Pin. 2-FB.1486 " 2-FB.1487 Bush 2-FB.1488 " (8-FB.1501 Bearing Washer. (8-FB.1503 " The above instructed under Code B.564.… | ||
| img029 | List of modifications and parts for vehicle components including brakes, exhaust, and suspension. | ||
| View original record | -3- Rear Brakes Intermediate Shaft Supply and fit as modification incorporating N.Sch.4213 :- 4-GB.1397 Full rope. 4-GB.1398 Jaw end. 4-GB.1391 Adjusting Piece 4-GB.1393 Bolt The above instructed… | ||
| img030 | List of modifications and associated part numbers for rear brakes, a petrol pump, and a water pump. | ||
| View original record | -4- Rear Brakes. Supply and fit as modification :- 2-Ex.16387 Brake Drums. ------------------ Petrol Pump. Supply and fit as modification to suit the fitting of Spectre type fuel pump using Standard… | ||
| img031 | Internal order memo for an ACFIL pump for the Electrical Experimental Laboratory. | ||
| View original record | Ref from EJJ/JV. c to Hs/Wst. Order No.508. √(600). EJJ/JV2/JC4. 3. 3. 36. Re - ACFIL PUMP FOR ELECTRICAL EXP. LABORATORY. Please order from Messrs. E. M. Francis Ltd., 36 Heathcote Grove, Chingford,… | ||
| img032 | Proposal to delete the fuse from the petrol pump and mount it as a separate unit on the dashboard for the Phantom III. | ||
| View original record | c. Hs/Wst. BY/RD.3/B.14.10.36. "PHANTOM III" - PETROL PUMPS IN FRAME. When the Petrol Pumps are fitted in the Frame, we propose to delete the fuse from the petrol pump itself and mount it in a… | ||
| img033 | Test report on a dimmer switch resistance wire, noting high temperatures and suggesting design improvements. | ||
| View original record | To E. c. to Hs. c. to Sg. c. to By. c. to Da. Rm/Wst.3/JH.18.11.36. The resistance tested consisted of 7 1/2 ft. of 24 S.W.G. .022 dia. Dullray wound on a Pressphan barrel with thread between the… | ||
| img034 | Instructions for fitting a Hobsons' petrol gauge to a Phantom III chassis petrol tank. | ||
| View original record | 6007 BY/HEB15/M.5.9.36. c. Hs/Wst. PHANTOM III. CHASSIS. PETROL TANK SEC:7080. FITTING OF HOBSONS' PETROL GAUGE. We forward you herewith two Blue Prints of the following part required when fitting… | ||
| img035 | The parts for a 'Phantom III' fuse unit for use with petrol pumps, to be fitted as a separate unit on the dashboard. | ||
| View original record | 6007 c. Hs/Wst. BY/RD.2/B.16.10.36. "Phantom III" - Fuse Unit for use with Petrol Pumps in Frame. RR.Scheme 997. When the petrol pumps are fitted in the frame, we propose to delete the fuses from the… | ||
| img036 | Letter from H.M. Hobson Ltd. arranging a visit to fit a calibrated petrol tank. | ||
| View original record | CONTRACTORS TO THE ADMIRALTY, WAR OFFICE, AIR MINISTRY AND TO THE DOMINION & FOREIGN GOVERNMENTS. PLEASE ADDRESS ALL COMMUNICATIONS TO THE FIRM, NOT TO INDIVIDUALS. TELEPHONE: SHEPHERDS BUSH 3321. (4… | ||
| img037 | Letter to Mr. Reigate regarding the delayed installation of a special petrol tank. | ||
| View original record | 6007 Rm/Wst.19/JH. 5th January, 1937. Mr. Reigate, 178, Warwick Road, Kenilworth. Dear Sir, In reply to your letter of the 4th instant, it will not be necessary for you to come along this week in… | ||
| img038 | Instruction to arrange for the fitting of petrol pumps and wiring to chassis 33-EX, 35-EX, and 37-EX. | ||
| View original record | To HPS. c. to Rm/JBD. 600M. Rm/Wst.14/JH.9.9.37. re Petrol Pumps and wiring as fitted to 33-EX 35-EX and 37-EX. Will you please arrange for the petrol pumps and wiring to be fitted to the above… | ||
| img039 | Modifications, improvements, and wear issues concerning the S.U. petrol pump. | ||
| View original record | 6007 TO By. c. to By/RD. c. to Rm/RC. Rm/JBD.1/JH.21.2.38. R.R. S.U. PETROL PUMP. We consider we have effected a considerable improvement in diaphragm material by fitting the oil silk and a mechanical… | ||
| img040 | The wear characteristics and endurance testing of contact breaker points for a pump. | ||
| View original record | -2- The tension on the contact blade and depth of the points will affect the setting, assisting to break the points slightly earlier in the stroke if the blade is stiff and the points new, but a weak… | ||
| img041 | Updated petrol pump design for Bentley III and Bentley 50 chassis. | ||
| View original record | 6007. To. HCS c. DF. c. Rm/RC. c. Rm/JBD c. BI/UND. c. RHC/WdBr (O.P. Dept.). c. RHC/BB RC BY/RD.1/B.5.9.38. BENTLEY III & BENTLEY 50. Petrol Pumps - Sec.8300. We hand you herewith LOP. DB.1936 -… | ||
| img042 | List of blueprints for an electrically operated reserve petrol tap for a Bentley III vehicle. | ||
| View original record | 6112 To HPG. c. BV. c. RHC/W.Id. (O.B.Dept.). c. Rm/RC. c. BY/AEP. c. MIO/SS. BY/RD. 3/B. 31.10.38. BENTLEY III. D.CD.893 - Reserve Petrol Tap - Electrically Operated. Section 8310. Please receive… | ||
| img043 | Instruction to prepare three sets of test parts for a Bentley III unit. | ||
| View original record | -2- Will you please put in hand, 3 sets of parts for test. This unit is instructed for Bentley.III, but can be used on any chassis if required. This completes the instructions. BY/RD | ||
| img044 | Provision of blueprints for a new 18-gallon petrol gauge for the Bentley 50 and Silver Wraith models. | ||
| View original record | 6007. To HPS. c. RV. c. Rm/RC. c. RHC/SST. c. RHC/Wfd. BY/RD.2/B.2.11.38. Sec.7190. Instrument Board. Bentley 50 and Silver Wraith. F.CD.797 - 18 Gallon Petrol Tank. Please receive herewith blueprints… | ||
| img045 | The condition of a modified high-pressure petrol pump after a 15,000-mile test in France. | ||
| View original record | 6007 To Ey. c. to DA. c. to By/RD. c. to Rm/RC. Rm/JBD.1/JH.21.11.38. PETROL PUMP OFF S.B.V. 15,000 miles test in France Total mileage - 18,496. This pump is the modified high pressure pump having… | ||
| img046 | Alteration notice for petrol pumps on Bentley V & Bentley 50 models, adding new parts suitable for 'Olive' Joints. | ||
| View original record | 6007 To HPS. c. BY. c. Rm/RC. c. Rm/JBD. c. RHC/Wld. (O.P. Dept.). c. Roy/Les. (for HPS). c. RHC/SS. BY/RD.2/B. 22.12.38. BENTLEY V & BENTLEY 50. PETROL PUMPS. SECTION 8300. Alteration 1746/D.ss. is… | ||
| img047 | Requesting three more petrol reserve tap units for specific chassis. | ||
| View original record | Petrol pump 6007. TO HPS c. Rm/RC. BY/RD.5/B.16.1.39. SEC.8310 - PETROL RESERVE TAP - LOP. DW.842. Will you please note that three more of these units should be put in hand to our memo'… | ||
| img048 | Instruction to put in hand return springs for the petrol reserve tap, which replace part DW.838. | ||
| View original record | Petrol pump 6007 RC To. HPS. c. BY. c. Rm/RC. c. RHC/Wldr.(O.P.Dept.). BY/RD.4/B.1.2.39. PETROL RESERVE TAP - LOP. DW.842. - SECTION 8310. Will you please put in hand 4 Return Springs to DW.892,… | ||
| img049 | Instructions for modifying an electrically operated petrol reserve tap for Bentley V & Bentley 50 models. | ||
| View original record | 6007 To HPS. c. BY. c. RHC/Wld. c. Fm/RC. c. BY/HED. c. RHC/SS. c. Roy/Dec. for HPS. BY/RD.4/B.23.2.39. BENTLEY V. & BENTLEY 50. Petrol Reserve Tap - Electrically Operated - D.CD.893 Modified. Section… | ||
| img050 | Parts list and manufacturing instructions for solenoid and valve components, marked as page 2. | ||
| View original record | BY/RD.4/B.23.2.39. -2- DW.822 - Tube - Solenoid Bobbin. 1 off. DW.823 - End Piece - Solenoid Bobbin. 1 off. DW.824 - End Piece - Solenoid Bobbin. 1 off. DW.829 - Inner Casing. 1 off. DW.834 - Backing… | ||
| img051 | Test report comparing electrically operated petrol reserve taps with different coil windings. | ||
| View original record | To By/RD. c. to By. c. to Rm/JBD. 6007. Rm/RC.8/JH.1.4.39. ELECTRICALLY OPERATED PETROL RESERVE TAP TO LOP.DW.929 - Scheme DCD.876. We received four taps to the above LOP. on the 16.3.39. For the… | ||
| img052 | Test results for pull-in voltage, current consumption, and temperature rise for three different tap models. | ||
| View original record | -2- Rm/RC.8/JH.1.4.39. No.1120.X. Pull in - 6.0 volts. Current at 12 volts - 0.98 amperes. The above values obtained cold, no pumps connected. In order to check temperature rise, two of the taps were… | ||
| img053 | Graph plotting armature current against coil voltage for a continuous ignition tractor. | ||
| View original record | CONTINUOUS IGNITION TRACTOR PETROL W.D. Drg. UN.329 -- Curve sheet 6. Y-AXIS: Armature Current in Amps X-AXIS: Coil Voltage CURVES: 120A, 800A | ||
| img054 | The condition and wear of an S.U. Petrol Pump after 50,300 miles of use. | ||
| View original record | 6007 To By. c. to BY/RD. c. to HPS/RH. c. to Rm/RC. Rm/JBD.1/JH.15.5.39. S.U. Petrol Pump off 8.B.V. after 50,300 miles. This pump is fitted with Cast Iron High Pressure Type magnet housings, Neoprene… | ||
| img055 | Inspection report detailing issues found in a pump and its components after 18,000 miles. | ||
| View original record | -2- Rm/JBD.1/JH.15.5.39. point which had n t been properly sintered.At 18,000 miles there was no sign of this trouble. This may have accounted for the trouble reported by Rm/Wym. in which one side of… | ||
| img056 | Stating a decision to continue using the bought-out electrically operated petrol reserve tap. | ||
| View original record | Ev. from Rm. c. Rm/HH. c. Rm/RC. c. Rm/AGMR. 6007 Rm.3/JMS.16.5.40. With reference to Ev.16/JH.14.5.40., I do not want to depart from the bought-out electrically operated petrol reserve tap until we… | ||
| img057 | Design of an in-house electrically operated petrol reserve tap versus a bought-out unit. | ||
| View original record | File 6007 To Rm/HH. from Ev. c.c to Rm. c. to Rm/RC. c. to Rm/HBR Ev.16/JH.14.5.40. re Electrically Operated Petrol Reserve Tap. You will recall that we discussed the electrically operated petrol… | ||
| img058 | Letter from S. Smith & Sons regarding a test of the Dickenson Pump. | ||
| View original record | Handwritten Note: 2nd drawer RCY FILES S. SMITH & SONS (MOTOR ACCESSORIES) LTD. Cables: SPEEDOFAC, LONDON Codes: MARCONI, COMMERCIAL BENTLEY'S CRICKLEWOOD WORKS EDGWARE ROAD LONDON, N.W.2 Telephone:… | ||