Rolls-Royce Archives
| Identifier | Entry | ||
| Scan0 | Efficiency of French Pognom ignition plugs and requesting an evaluation against those used in England and Springfield. | ||
| View original record | R.R. 235a (100 T) (S.H. 159. 11-8-20) G. 2800 TO HS. FROM R. c. to CJ. BJ. c. to PN. BY. c. to OY. HM. c. to EP. ORIGINAL R4/M9. 8. 23. IGNITION PLUGS. X1353 I had occasion to use a Pognom plug as… | ||
| Scan1 | Revised positioning of friction dampers for reaction vibration experiments. | ||
| View original record | ORIGINAL SECRET TO HS. FROM R. R3/M9. 8. 23. c. to CJ E. A. C. RE. REACTION VIBRATIONS. X9950 In our experiments with the Hawk-North-cliffe we were proposing to try friction dampers between the… | ||
| Scan2 | The urgent requirement for larger headlamps for the 20.HP car. | ||
| View original record | ORIGINAL TO HS. FROM DA/EV. c.c. to BY. c.c. to S. RE. 20.HP. HEAD LAMPS. X4090 The question of larger lamps for the 20.HP. car is now extremely urgent, and we can do nothing until we have shewn Mr.… | ||
| Scan3 | Technical memo discussing water boiling and cooling system improvements for the 40/50 and Goshawk models. | ||
| View original record | TO HS. FROM R. COPIES TO SJ. BJ. PN. OY. H. ORIGINAL R6/M10.8.23. RE. WATER BOILING. 40/50 & GOSHAWK. X1751 X.766 Y3499 Y4240 (1) The fan seems to be the most important feature: to be very efficient… | ||
| Scan4 | Drawing of a steam separator in a water cooling system suggested by Mr Royce. | ||
| View original record | STEAM WATER RADIATOR STEAM SEPARATOR IN WATER COOLING SYSTEM SUGGESTED BY MR ROYCE. R6/M10.8.23 MIXED WATER & STEAM COOLING FAN CYLINDER HEAD A.E.Elliott 12/8/23 | ||
| Scan5 | From DA to HS requesting a copy of a report on Goshawk cooling. | ||
| View original record | ORIGINAL. TO HS. FROM DA. X4240 DA1/M11.8.23. I understand from Mr. Elliott that there is a report of yours dealing with Goshawk cooling within the last few weeks, a copy of which I do not seem to… | ||
| Scan6 | New type of brush gear for the 20.HP model. | ||
| View original record | TO EFC. FROM E. e. to CJ. c. to BY. c. to HS. ORIGINAL E1/M11.8.23. X.4383 - NEW TYPE OF BRUSH GEAR - 20.HP. In reply to your EFC1/T23723., which I received after the holidays, would you kindly note… | ||
| Scan7 | Telegram received by telephone requesting a reliable, but not necessarily new, small Condor engine for a motor cycle. | ||
| View original record | R.R. 144A (100B.) SE 867. 9.7.18 MP 1938/1 ROLLS-ROYCE, LIMITED. ORIGINAL TELEGRAM RECEIVED BY TELEPHONE. RECEIVED AUG 14 Time Received: 1-55 Date: 14 - 8 - 22 To: Roycear Derby By: Warr X.2799 from:… | ||
| Scan8 | Telegram received by telephone detailing a proposal for a three-point engine and gearbox suspension system. | ||
| View original record | ROLLS-ROYCE, LIMITED. TELEGRAM RECEIVED BY TELEPHONE. Time Received Date To By from 2 State we are proposing to try three point suspension for engine by two suitable engine arms forward combined… | ||
| Scan9 | Telegram note regarding flexibility and damping of a flywheel, gearbox, and propeller tube. | ||
| View original record | R.R. 144A (100B.) SE 867. 9.7.18 MP 193871 ROLLS-ROYCE, LIMITED. TELEGRAM RECEIVED BY TELEPHONE. Time Received Date To By from just in front of flywheel fit gearbox separate oil on propeller tube as… | ||
| Scan10 | Telegram received by telephone from Royce inquiring about the quick production of springs for a chassis. | ||
| View original record | ROLLS-ROYCE, LIMITED. TELEGRAM RECEIVED BY TELEPHONE. Time Received. Date. To. By. from H. Springs can you produce this quickly on any of the chassis you have. FROM Royce. THIS SHEET MUST BE FILED.… | ||
| Scan11 | Use of rubber buffers for mounting car bodies to reduce engine and road vibrations. | ||
| View original record | R.R. 235A (100 T) (S.H. 159, 11-8-20) G. 2800 ORIGINAL. TO HS. FROM R. c. to OJ. c. to BJ. c. to EP. RE. BODY MOUNTED ON RUBBER BUFFERS. X4613 X4270 To the best of my memory we have never had any… | ||
| Scan12 | Proposed alterations to tyres, including increasing size and reducing air pressure to improve ride comfort. | ||
| View original record | TO BJ. OY.) FROM R. GS. HS.) DY. EP.) ROY. ) R2/M15.8.23. X 4565 X 3895 X 3602 ALTERATIONS TO TYRES. I learn from OY. that the tyre makers in U.S.A. and proposing to increase the size of the tyres and… | ||
| Scan13 | Telegram requesting to arrange a viewing of a Goshawk vehicle with larger lamps. | ||
| View original record | R.R. 144A (100B.) SE 867. 9.7.18 MP 193871 Y4090 ROLLS-ROYCE, LIMITED. TELEGRAM RECEIVED BY TELEPHONE. ORIGINAL Time Received: 11-30 Date: 15-4-23 To: Roycar Derby By: WSA from: West Wittering 10-42… | ||
| Scan14 | Outlining comparative cooling tests for the 40/50 and 20HP models. | ||
| View original record | TO HS. FROM DA/EV. c. to OJ c. to BY. EP. DA/EV1/M16.8.23 RE. 40/50. & 20.HP. COOLING. With a view to future design and improvements in car cooling we have made some comparative investigations and Mr.… | ||
| Scan15 | Graph and instructions for a standard cooling system test, comparing water loss over time. | ||
| View original record | (2) Graph Text: QUARTS COMMENCEMENT OF GRADIENT. TOTAL LOSS LOSS AS STEAM LOSS AS EJECTED WATER. START 0° 0 MIN 80° 100° A 30 MIN 60 MIN Main Text: NOTE:- "A" IS POINT WHERE WATER EJECTION CEASES. We… | ||
| Scan16 | Requesting an update on the main and teazer windings for a starter motor. | ||
| View original record | TO EFC. FROM E. ORIGINAL SECRET. E4/M16.8.23. E. A. C. STARTER MOTOR. As We are a little uncertain at this stage how the windings for the above job stand could you kindly let us know whether the main… | ||
| Scan17 | Revision to the Goshawk II engine's fan pulley and spring drive. | ||
| View original record | TO BY. FROM E. c. to CJ. c. to HS. ORIGINALS E2/M16.8.23. GOSHAWK 11. - FAN PULLEY AND DRIVE FOR SPRING DRIVE - LeC.1727. X4237 X4222 We send you herewith drawing No. LeC.1749., shewing the above.… | ||
| Scan18 | Proposed new 10' headlamps for the Goshawk model and a brief note on the luggage carrier. | ||
| View original record | TO BJ: FROM R. c. to CU. IHS. c. to DM. HS. c. to EF. C. R1/MS. 8. 23. GOSHAWK HEAD LAMPS. x4090 We have seen the proposed new lamp for the Goshawk. The one referred to here is of 10" dia., designated… | ||
| Scan19 | Suggesting revised wording for a warning plate related to the Goshawk electrical system. | ||
| View original record | TO EFC. FROM R. c. to CJ. ORIGINAL R2/M20.8.23. GOSHAWK ELECTRICAL SYSTEM. X4338 Replying to your EFC3/T14823., I have no objection to the wording on the warning plates being revers- ed, and following… | ||
| Scan20 | Impressions and objections to a paper on automatic spark advancement. | ||
| View original record | TO OX. FROM R. c. to CJ. BJ. c. to HS. RP. c. to PN. BY. c. to H. ORIGINAL X.30149 .928 x 699 AUTOMATIC SPARK ADVANCEMENT. I was very interested in Prof: Upton's paper on automatic spark advancement.… | ||
| Scan21 | Requesting a print of drawing No. LeC.1751 for the Goshawk side change gearbox casing. | ||
| View original record | TO BY. FROM E. c. to EH. HS. ORIGINAL E1/M25. 8. 23. /4244 X 4247 GOSHAWK - SIDE CHANGE GEARBOX CASING. We send herewith drawing No. LeC.1751. shewing the above. We should be glad to receive a print… | ||
| Scan22 | Preferred carburetter settings for power and economy, with a warning about incorrect mixture settings. | ||
| View original record | TO FM. FROM R. c. to CJ. BJ. EP. c. to HM. HS. H. BR. ORIGINAL. With reference to your memo. (PN13/DN23.8.23.) sent to EP. at WW. which arrived after he had left. I prefer carburetters set for best… | ||
| Scan23 | Chassis frame deflections on a Barker phaeton body and proposed experiments for reinforcement. | ||
| View original record | TO IHS. for HO. FROM DA/EV. c. to PH. HS. BY. c. to C. BG. ORIGINAL X3730 X4260 RE.20.HP. CHASSIS FRAME DEFLECTIONS. We saw the Barker phaeton body which apparently suffered due to chassis… | ||
| Scan24 | Query and response regarding the braking distances and acceleration rate for a 6.EX car. | ||
| View original record | ORIGINAL. TO HS. & EP. FROM R. R1/M28.8.23. X1725 X3923 X718 Perhaps one of you could give the information to say in what distance a car of the type of 6.EX. could be pulled up from 15, 20, and 26… | ||
| Scan25 | Outlining seven suggested tests to improve the Goshawk Bendix drive arrangement. | ||
| View original record | TO EP. FROM R. c. to GJ. c. to HS. c. to HY. ORIGINAL R2/M28.8.23. RE. GOSHAWK BENDIX DRIVE. X3592 Referring to memo. BYL/P24823., I believe the Bendix that I condemned was wrong either in proportions… | ||
| Scan26 | Tests and modifications to a Bendix unit in comparison to a Bijur scheme. | ||
| View original record | (2) We firstly test a present Bendix in good condition, and secondly we fit a Bendix up with several different springs and possibly different angles of thread. Of these the most hopeful arrangement is… | ||
| Scan27 | Reviving a scheme for a stainless steel float chamber needle for the 40/50 chassis. | ||
| View original record | TO BY. (BY is crossed out) FROM E. c. to GJ. (GJ is crossed out) EP. HS. ORIGINAL RE. STAINLESS STEEL FLOAT CHAMBER NEEDLE - 40/50 CHASSIS. X2768 Referring to EP4/H25823, it will be necessary to… | ||
| Scan28 | Ongoing issues and practices concerning American-style clutch oil valves. | ||
| View original record | TO GJ. FROM R. c.c. to BJ. HS. c.c. to EP. EY. RE. AMERICAN PRACTICE. CLUTCH OIL VALVES. x 3598 (1) These have been fitted by RR. for over 16 years. (2) We are now told they cause no end of trouble.… | ||
| Scan29 | Modifications to Rudge-Whitworth wheels, including issues with friction, tightness, and design comparisons to Dunlop wheels. | ||
| View original record | ORIGINAL. R2/M29.8.23. TO BY. FROM R. c. to Mr. Pugh. (Messrs Rudge Whitworth Ltd.) c. to CJ. c. to HS. Y421 RUDGE-WHITWORTH WHEELS. Y3894 Referring to your BY10/P24823, Mr. Pugh's statement and… | ||
| Scan30 | Test results and modifications for the Goshawk 11 electric starter switch. | ||
| View original record | ORIGINAL. TO EFC. FROM E. E2/M30.8.23. c.c. to BY. HS. FP. X 3915 GOSHAWK 11. ELECTRIC STARTER SWITCH. Regarding the model of the above recently sent to WW., tests were made to find the effort… | ||
| Scan31 | Improved type of outside lever on the Goshawk 11 clutch operating shaft. | ||
| View original record | TO BY. FROM E. c. to GJ. c. to HS. c. to EP. ORIGINAL. E3/M30. 8. 23. X4244 X4247 IMPROVED TYPE OF OUTSIDE LEVER ON GOSHAWK 11. CLUTCH OPERATING SHAFT. We send you herewith drawing No. LeC. 1755.,… | ||