Rolls-Royce Archives
| Identifier | Entry | ||
| Scan0 | Concluding that the butterfly valve for exhaust heating on the EAC carburetter is a nuisance and should be reverted to a water-heated throttle. | ||
| View original record | R R 235A / 100 T/ (S. H. 159. 11-8-25) G. 2800 [Handwritten top center]: VALVES IN EXH. PIPE A PERFECT NUISANCE TO HS. FROM R. Copy to BH. R3/M1.9.25. EAC. CARBURETTER - EXHAUST HEATING VERSUS WATER… | ||
| Scan1 | Modifications to the Goshawk 11 steering system for the first production cars. | ||
| View original record | To BY. from DA. c. to Hs. & EP. DA5/11.9.22. RE. GOSHAWK 11. STEERING. X4264 [Handwritten annotations below RE line: Y4261 (struck through) X.4265] [Stamp: RECEIVED] It is understood from the… | ||
| Scan2 | Steering troubles on the Goshawk 11 front axle and Mr. Royce's opinion on a solution. | ||
| View original record | To BY. from DA. c. to HS. & EP. RE. GOSHAWK 11. FRONT AXLE. X4263 Mr. Royce does not like the idea of fitting artificial friction in the pivots of the front axle to overcome the steering troubles,… | ||
| Scan3 | Analysis of knocking gears and potential causes related to the camshaft drive and crankshaft impulses. | ||
| View original record | R.R. 235a (500 T) (S.D. 408. 26-4-17.) Bm. 2/158/13. To HS. & EP. from R. c. to CJ. BY. EFC. ORIGINAL HS RECEIVED SEP 6 1922 X3473 X4549 In consequence of our anxiety to settle the camshaft drive of… | ||
| Scan4 | Methods to manage crankshaft speed irregularities using flywheels and experimental setups. | ||
| View original record | (2) The other way is to give the shafts a natural tendency to slow down, and so follow the irregularities of the primary turning. If the engine is coupled up to the dynamometer, with fabric couplings,… | ||
| Scan5 | Inquiry regarding conclusions on the design of spring shackles and bushes for the export chassis. | ||
| View original record | R.R. 235A (500 T) (S.D. 408. 26-4-17.) Bm. 2/156/13. ORIGINAL. TO HS. FROM DA. c. to BY DA1/M6.9.22. GOSHAWK 11. X4261 Y4547 We should be obliged if you could tell us whether you have come to any… | ||
| Scan6 | Clarifying Mr. Royce's decision on raising a chassis by .5 inches. | ||
| View original record | R.R. 235a (500 T) (S.D. 408. 26-4-17.) Bm. 2/156/13. ORIGINAL. To HS. from DA. C. to BY. C. to EP. DA2/M7.9.22. 1523 RECEIVED 8 SEP 1922 X4264 In reply to your memo. HS3/LG5922, it is true that Mr.… | ||
| Scan7 | Distributing a coloured diagram and explanation for a new electrical silent starter control system. | ||
| View original record | To Hy. from E. C. to Cd. C. to Or C. to EFC. ✓ C. to Hs. X.4168b. E2/19.9.22. [Stamp: RECEIVED SEP 20 1922] ELECTRICAL SILENT STARTER CONTROL. We send you herewith drawing No.Lec 1622, giving a… | ||
| Scan8 | On Goshawk steering, noting Mr. Royce's dislike for raising the No.4 Goshawk 11 car by .5 inches. | ||
| View original record | To BY. from DA. c. to HS. &. EP. ORIGINAL DA1/M9.9.22. GOSHAWK STEERING. X4264 Mr. Royce yesterday stated definitely that he did not like the car raised .5". This was the result of seeing No.4.Goshawk… | ||
| Scan9 | M.sch. 1322, detailing the dumb iron and front shackle for the front springs applicable to Goshawk, Stork, Curlew, and Vulture models. | ||
| View original record | ORIGINAL RECEIVED To Sy from Da. c. to Cr. c. to Gor. c. to Hs. ✓ Da2/M9.9.22. V4 547 Please receive M.sch. 1322 shewing the dumb iron and front shackle for the front springs. As on Goshawk ll. though… | ||
| Scan10 | Dispatch of drawings for Goshawk 11 radiator shutters. | ||
| View original record | To By. from E. c. to CJ. Wor. Hs. ORIGINAL GOSHAWK 11. RADIATOR SHUTTERS. X4240 We send you herewith drawings No. Lec 1617 and 1618, shewing the framework of the shutters to be bolted on to the front… | ||
| Scan11 | Complexity and timeline for fitting new springs and a new rear brake system to the Hawk-Northcliffe axle. | ||
| View original record | R R 255 A (100 T) (S P 346 6-2-19) G 2400 ORIGINAL To HS. from DA. DA2/M11.9.22. RE. HAWK-NORTHCLIFFE. X3408 I have not replied to your enquiry as to when we should have the new springs fitted to the… | ||
| Scan12 | Repair and subsequent sale of a Delage car, as per Mr. Royce's suggestion. | ||
| View original record | R.R. 235a (100 T) (S.H. 798. 10-12-20) G. 2948 To HS. from DA. X3525 ORIGINAL DA3/M14.9.22. Mr. Royce the other day said that he thought the Delage ought to go back to be sold as soon as possible.… | ||
| Scan13 | Telegram from Royce requesting 'Six exi' be sent to Wittering for reference on electrical equipment. | ||
| View original record | ROLLS-ROYCE, LIMITED. TELEGRAM RECEIVED BY TELEPHONE. Reference: X3923 Time Received: 9.34 Date: 14.9.22 To: Roycar Derby By: EW from: Chichester 9.0 Message: Hives, should like Six exi at Wittering… | ||
| Scan14 | Potential modifications and material changes for the Goshawk engine induction pipe. | ||
| View original record | R.R. 235A (100 T) (S.H. 159. 11-8-20) G. 2800 ORIGINAL MISC + (R) TO HS.) FROM R. BY.) Copy to CG. R2/M14.9.25. re. GOSHAWK INDUCTION PIPE.(Broken flange) X5070 X5080 This should have been referred to… | ||
| Scan15 | Drawings for the controls of hand-operated shutters for the Goshawk 11. | ||
| View original record | ORIGINAL. To BY. from E. c. to GJ. Wor. c. to Hs. EP. E1/M15.9.22. 44240 We send you herewith drawings Nos. LeC 1523, and 1524, shewing a portion of the controls for hand operated shutters - Goshawk… | ||
| Scan16 | Telegram received by telephone concerning the trial of a Goshawk silencer. | ||
| View original record | ROLLS-ROYCE, LIMITED. TELEGRAM RECEIVED BY TELEPHONE. X4269 Time Received: 5.20 Date: 15.9.22 To: Royce's Derby By: EW from: Chichester 4.38 Message: Hives na Goshawk silencer has inside cutout been… | ||
| Scan17 | Piston ring stops for the 40/50 chassis and a new method from America. | ||
| View original record | To EP. from E. c. to Hs. ORIGINAL E2/M15.9.22. PISTON RING STOPS 40/50 CHASSIS. √3666 X741 While you were at WW. with Mr. Hives we understood that RR. America had some new way of dealing with the… | ||
| Scan18 | The return of a Delage car to Derby before its sale. | ||
| View original record | R.R. 235a (100 T) (S.H: 798. 10-12-20) G. 2948 ORIGINAL To BS. from DA. DA4/M16.9.22. DELAGE CAR. X3525 I have written to Derby re returning the Delage there. I think it should go there for a short… | ||
| Scan19 | Recommendation to modify the clutch pedal with a longer lever to reduce the pressure required for operation. | ||
| View original record | R.R. 235a (100 T) (S.H. 798. 10-12-20) G. 2948 To HS. and DY. from R ORIGINAL. R3/M16.9.22. RE. CLUTCH PEDAL. X4244 X4267 I recommend and understand that the production chassis are going to be fitted… | ||
| Scan20 | Mr. Royce's conditional approval for a Gleason gears arrangement on chassis prior to 1700. | ||
| View original record | ORIGINAL To HM. from DA. c. to HS.✓ DA1/M16.9.22. X4150 X3612 GLEASON GEARS FOR CHASSIS PRIOR TO 1700. Replying to your memo. Hm/NCR1/W23822., Mr. Royce approves in principle of the arrangement shewn… | ||
| Scan21 | Feedback on the road test of a Goshawk model, detailing performance, issues, and suggestions for improvement. | ||
| View original record | R E 235 a (100 T) (S.F. 846. 6-8-19) G. 2460. TO HS. from R. c. to CJ. c. to BY. c. to EP. STAMP: ORIGINAL STAMP: RECEIVED SEP 19 1922 RE. GOSHAWKS (PRODUCTION.) X4219 You will remember that I have… | ||
| Scan22 | Broken spoke on a Dunlop wire wheel fitted to a Goshawk 11. | ||
| View original record | To BY. from R. c. to CU. HS: c. to EP. ROY. R3/M18.9.22. RE. DUNLOP WIRE WHEELS. X3599 I pointed out to Mr. Bailey that we had a broken spoke on No.4.Goshawk 11., caused by the bend in the spoke near… | ||
| Scan23 | Feedback from the Liverpool agent on the excellent performance of a loaned 4-Goshawk-11 car after a weekend test drive. | ||
| View original record | To R. from Hs. c. to CJ. c. to BJ. c. to C. c. to Wor. ORIGINAL. R. Hs3/LG20.9.22. 4-GOSHAWK-11. Y4219 X5531 We loaned to Mr. Watson (our Agent at Liverpool) 4-Goshawk-11 car last week end - (He tried… | ||
| Scan24 | Further notes from a visit regarding design modifications for various vehicle components. | ||
| View original record | R R 235 A (100 T) 8.8.19 G 2460 TO HS. & EP. from R. c. to CJ. Wor. By. c. to E. Da. FURTHER NOTES RE. VISIT OF HS. & EP. TO WW. REPORTED IN R1/M1922 & R2/M5922. XL4219 X2565 (1) VENTILATING SCUTTLE… | ||
| Scan25 | Series of technical notes on design and production improvements for various vehicle components. | ||
| View original record | (2) bonnet side should be rounded and also the edge of the bonnet side rest. The bonnet lock should have sufficient clearance to engage easily. Further to avoid bending the side of the bonnet and… | ||
| Scan26 | Notes on Goshawk engine steering and fan modifications. | ||
| View original record | (3) (15) GOSHAWK. STEERING. This at present is better on the rebound than on the bump and could be corrected by shortening the pendulum lever. (16) GOSHAWK FAN. The production Goshawks should be… | ||
| Scan27 | Request for a power curve of the Hawk-Northcliffe with a Claudel-Hobson carburetter at the same compression. | ||
| View original record | R.R. 235a (100 T) (S.H. 798. 10-12-20) G. 2948 ORIGINAL. To HS. from E. c to CJ. E1/M21.9.22. RE. HAWK-NORTHCLIFFE. V3 408 With reference to your report - Hs3/LG15922. giving the chassis dynamometer… | ||
| Scan28 | Drawing No. LeC 1621 for the Goshawk hand lever for shutters. | ||
| View original record | ORIGINAL To BY. from E. c. to CJ. Wer c. to Hs. Ep. E1/M21.9.22. GOSHAWK - HAND LEVER FOR SHUTTERS. X4240 We send you herewith drawing No. LeC 1621 shewing the above. This completes all the… | ||
| Scan29 | Requesting the construction of a pogo stick-like pedal pressure indicator for the Experimental department, referencing drawing Lec 1627. | ||
| View original record | To BY. from E. c. to CJ. c. to HS.✓ c. to EF. ORIGINAL Hs E1/M22.9.22! RECEIVED 25 1922 PEDAL PRESSURE INDICATOR. Y4267 X3450 We send you herewith drawing No. Lec 1627 shewing a mechanism constructed… | ||
| Scan30 | Single quenching process for 5% case-hardened nickel steel gears. | ||
| View original record | To BY. from R. WOR. HS. RP. HL. C. to C.J. ORIGINAL RECEIVED 23 SEP 1922 H8 R1/M22.9.22. RE. BEVEL AND OTHER GEARS, ETC. X3612 / X492 Gears made in 5% case-hardened nickel steel should not require… | ||
| Scan31 | Telegram from Royce to Hives about the need for open cars in Paris and one car for photography. | ||
| View original record | R.R. 144A (100B.) SE 867. 9.7.18 MP 193871 ORIGINAL ROLLS-ROYCE, LIMITED. HS RECEIVED [stamp 25 SEP 14] TELEGRAM RECEIVED BY TELEPHONE. Y21G Time Received: 9.35 Date: 25.9.14 To: Royce Derby By: EW… | ||
| Scan32 | Manufacturing and performance issues of front springs for the Phantom and 20HP models. | ||
| View original record | [Typed Text] TO HS. FROM DA. Copy to CJ. DA4/M23.9.25. FRONT SPRINGS. X3803 X8410 X3900 X5410 Referring to the front springs for both the Phantom and the 20HP., and to the possibility of improving… | ||
| Scan33 | Wing stays, wiring, and bolt-locking on Goshawk cars. | ||
| View original record | TO BY. [struck through] from EV. c. to HS. ORIGINAL RE. GOSHAWK. X3730 The following points were shewn to me at Sales last week:- We cannot use the brass clips that hold the side light wires to the… | ||
| Scan34 | Confirmation of a wire, requesting the immediate dispatch of one switchbox for Goshawk 11. | ||
| View original record | ORIGINAL Confirmation of wire. R.R. 235a (100 T) (S.H. 798. 10-12-20) G. 2948 West Wittering. 26.9.22. XL4081 Roycar Derby. Hives. Send one switchbox immediately, as on Goshawk 11. Royce. [STAMPED:… | ||
| Scan35 | Fitting a Goshawk II dynamo and motor onto a Goshawk I engine. | ||
| View original record | R.R. 235a (100 T) (S.H 79s. 10-12-20) G. 2948 To EFC. from E. ORIGINAL. E1/M26.9.22. GOSHAWK 1. DYNAMO & MOTOR. X 3533/4 I am sorry that your enquiry regarding the above has been overlooked. I think… | ||
| Scan36 | Request for four size 5 millboards and two yards of tracing cloth to be sent with the No.4 Goshawk 11 car. | ||
| View original record | To BY. from E. c. to HS. ✓ E2/M28.9.22. ORIGINAL X1775 Will you please send us four size 5 millboards, without hinges, the next time a car is coming to WW., also about 2 yards of tracing cloth. We… | ||
| Scan37 | Drawings LeC 1629 and LeC 1631 for a Goshawk 11 engine fan and its modifications. | ||
| View original record | ORIGINAL To BY. from E. C.c. to CJr. c.c. to HSH.✓ c.c. to HS.✓ El/M28.9.22. GOSHAWK 11. FAN. X4237 We send herewith drawings Nos. LeC 1629, and 1631. LeC 1629 shews a design of spring mounted fan… | ||
| Scan38 | Technical memo comparing various electric and vacuum windscreen wiper models. | ||
| View original record | R.R. 238A (100 T) (S.H. 159, 11-8-20) G. 2850 ORIGINAL MISC TO HS. FROM DA/EV. DA/EV2/M28.9.25. Copy to LHS. re. WINDSCREEN WIPERS. 4475 We understand that it is desired to arrive at the best… | ||
| Scan39 | Weight reduction on the Phantom chassis, wheels, tyres and engine. | ||
| View original record | P I WEIGHT ORIGINAL TO HS. FROM R. R5/M29.9.25. Copy to GJ. (struck through) re. PHANTOM WEIGHTS. X8840 / X8810 I am very pleased to hear that we are on the way towards considerable reduction in the… | ||
| Scan40 | Required modifications for the Goshawk Ignition & Lighting Switch. | ||
| View original record | R R 235 a (100. T S. B.S. SIG 6-19) G 2460 To EFC. from R. c. to CJ. c. to WS. Mr. BROOK. ORIGINAL R1/M29.9.22. 5 X3485 RE. GOSHAWK IGNITION & LIGHTING SWITCH. x4041 I am extremely pleased with this,… | ||
| Scan41 | Potential failures and suggested improvements for a switch and its components, including diagrams of spring washers. | ||
| View original record | (2) (3) The greatest and perhaps only fear of failure in this switch is that the moving piece which makes contact may be too high or too low, and the brushes if rigid may not make contact either on… | ||
| Scan42 | Postscript detailing a screw failure due to badly formed spring washers and recommending material and length changes. | ||
| View original record | R.R. 235 A.(100 T.S/F.835 6-8-19) G 2460. (3) P.S. With reference to this section dealing with spring WASHERS, it was found on the model we received here that the head of one of the screws had been… | ||
| Scan43 | Proposal for a modified exhaust system for the 'Stork' model to accommodate the fitting of front wheel brakes. | ||
| View original record | To Ry. from Da. c. to CJ. c. to Wer. c. to HS. ✓ Da2/M30.9.22. [STAMP: Hs] [STAMP: RECEIVED OCT 2 1922] "STORK" - EXHAUST SYSTEM. X3859 We send herewith N.scheme 2331 shewing the proposed exhaust… | ||
| Scan44 | Design and drawings for the 'Stork' pneumatic brake system. | ||
| View original record | To By. from Da. c. to Cd. Wor. Hs. "STORK" - PNEUMATIC BRAKES. X3874 We send you herewith N.schs 1329 & 1328. N.sch.1328 shews the arrangement of the pressure indicator cylinder connected to the foot… | ||
| Scan45 | Specimen Goshawk II radiator shutter and potential alternative construction methods. | ||
| View original record | R.R. 225 A (100 T) (S.F. 846 6-8-19) G. 2469. ORIGINAL. To Hs. from E. E2/M30.9.22. GOSHAWK 11. RADIATOR SHUTTERS. X4240 In reply to your memo. Hs4/LG20922., we were quite pleased with the specimen… | ||
| Scan46 | The front axle radius rod for the 'Stork' project, referencing scheme 1325. | ||
| View original record | ORIGINAL To By. from Da. c. to GJ. c. to WOP. c. to Hs. ✓ bal/M30.9.22. "STORK" - FRONT AXLE RADIUS ROD. X4547 We send herewith N.Scheme 1325 shewing the bracket for the above radius rod. It is… | ||
| Scan47 | Design changes for an air pump on a four-wheel brake system for the 40/50 chassis. | ||
| View original record | To By. from E. c. to CJ. HS. E1/M30.9.22. X3454 AIR PUMP FOR FOUR WHEEL BRAKE SYSTEM ON 40/50 CHASSIS. We send you herewith drawing No.Lec 1627 shewing the above. To enable you to put this work in… | ||
| Scan48 | Incorrectly fitted footboards on a Goshawk-11 chassis due to a works error. | ||
| View original record | To Da. from Hs. c. to E. ORIGINAL Hs2/LG4. 9.22. FOOTBOARDS ON GOSHAWK-11 CHASSIS. X4270 With reference to the foot boards which were not fitted up correctly on the Goshawk-11 chassis which we brought… | ||
| Scan49 | Decision against raising the car's front suspension on the Goshawk model. | ||
| View original record | To Da. from Hs. c. to BY. c. to EF. ORIGINAL Hs3/LG5.9.22. GOSHAWK STEERING. X4264 With reference to your memo. Da5/M1.9.22. We are not in agreement with you, that during the discussion at W.W. it was… | ||
| Scan50 | Tests of different fans, pulleys, and cowlings for the Goshawk II engine to improve radiator airflow and prevent boiling. | ||
| View original record | To H. from Hs. c. to SJ. c. to E. c. to De. c. to BY. ORIGINAL. Hs2/LGS.9.22. GOSHAWK II. RADIATOR AND FAN. (Strikethrough) X4240 X4237 We attach report of tests made on different fans, pulleys and… | ||
| Scan51 | Comparison of wind velocity tests on Goshawk car fans with various configurations. | ||
| View original record | COMPARISON OF GOSHAWK FANS. Tests on 3-Goshawk-ll car with original height of radiator - wind velocity measured at 3 points - bonnet fitted during tests. Minus readings show when air is blown out from… | ||
| Scan52 | Bump test performed on a Goshawk-11 chassis, detailing component failures over time. | ||
| View original record | To R. from Hs. c.c. to CJ. c.c. to H. c.c. to Da. c.c. to BY. ORIGINAL. Hal/LCS.9.22. BUMP TEST ON GOSHAWK-11. X4268 We have run the front of a chassis fitted with all parts similar to what is being… | ||
| Scan53 | Issues with front shock absorbers, including failures of the aluminium casting and torn leathers, with suggestions for design improvements. | ||
| View original record | contd:- -2- We had no failure whatever on the steering parts and also the fixing for the steering gave no trouble. As regards the front shock absorbers we consider that the base of the shock absorber… | ||
| Scan54 | The investigation of an engine gear rattle in the Goshawk 11. | ||
| View original record | To R. from Hs. c. to CJ. c. to M. c. to Ds. c. to BY. ORIGINAL. Hs1/L09.9.22. GOSHAWK 11. ENGINE GEAR RATTLE. X 4247 We have carried out a number of tests in connection with this and find that the… | ||
| Scan55 | Tests on the Goshawk clutch pedal pressure and the improvements made by fitting a longer lever. | ||
| View original record | To R. from Hs. c. to CJ. c. to A. c. to De. c. to BY. ORIGINAL. Hs3/LG11.9.22. GOSHAWK CLUTCH PEDAL PRESSURE. X4267 We have carried out tests measuring the pressure required to fully depress the… | ||
| Scan56 | Advantages of using hardened surfaces for spring shackles and bushes over phosphor bronze. | ||
| View original record | Da. from Hs. c. to BY. ORIGINAL Hs2/LG11.9.22. X4261 X2628 SPRING SHACKLES, BUSHES ETC. Our tests have shown that to get the best results from spring shackles and bushes, we should use hardened… | ||
| Scan57 | Letter to Mr. Ricardo regarding fuel investigations for the 'Hawk' engine and arranging the supply of drawings. | ||
| View original record | c to C.J c. to HS. -> When may we expect the Hawk-Northcliffe to come to WW. R. "ELMSTEAD" WEST WITTERING. CHICHESTER. 13th Sept. 1922. R3/M13922. H. R. Ricardo Esq., Messrs Ricardo & Co. Ltd. Bridge… | ||
| Scan58 | The loan of a Goshawk-11 car, the trial of a 30/98 Vauxhall, and a job inquiry for a chauffeur position. | ||
| View original record | W/S C. from Hs. TRYING OP'S 30/98 VAUXHALL Hs1/LG13.9.22. 1775 We are letting Mr. Watson, Liverpool run 4-Goshawk-11 open car this week-end. He loaned us the other day, a 30/98 Vauxhall Car for us to… | ||
| Scan59 | Goshawk 11 engine gear rattles, identifying the camshaft as the cause and outlining potential solutions. | ||
| View original record | To R. from Hs. c. to CJ. c. to E. c. to Da. c. to EY. ORIGINAL Hs4/L613. 9.22. GOSHAWK 11. ENGINE GEAR RATTLES. X4229 X4282 We have proved definitely that the cause of the rattles is the uneven… | ||
| Scan60 | The failure of an oilless bearing for the front engine support on a 7-Goshawk-11. | ||
| View original record | R. from Hs. c. to CJ. c. to E. c. to DA. c. to EY. ORIGINAL. Hs6/LG13.9.22. X3535 ? X3971 OILLESS BEARING - FRONT ENGINE SUPPORT. 7-Goshawk-11 has just returned from France after running nearly 16,000… | ||
| Scan61 | Recommendation to fix rattling in a Goshawk-Exrodee magneto drive by fitting circular spring steel discs. | ||
| View original record | To R. from Hs. c. to CJ. c. to E. c. to Da. c. to EY. ORIGINAL. Hs5/LC13.9.22. GOSHAWK - EXRODEE - MAGNETO DRIVE. X4327 ------------------------------- We have been running an engine with a Magneto… | ||
| Scan62 | The failure of rear springs on a Goshawk 11 car after 14,700 miles in France. | ||
| View original record | To R. from Hs. c. to CJ. c. to E. c. to Da. c. to BY. ORIGINAL. Hs2/LG14.9.22. GOSHAWK 11. REAR SPRINGS. X4261 During the running of 7-Goshawk-11 car in France the top plates on both rear springs have… | ||
| Scan63 | Tests of moulded insulating materials and moulded commutators. | ||
| View original record | ORIGINAL To R & E. from EFC. c. C.J. & FN. c. RyA EF. c. Wc. & Da. c. Wor/Mr. Brock. EFC1/114.9.22. X. 2494 - RE TESTS OF MOULDED INSULATING MATERIALS. Further tests of moulded insulating materials,… | ||
| Scan64 | Use of moulded commutators for the Goshawk production starter motor. | ||
| View original record | Contd. -2- EFC1/T14.9.22. It will be seen from this, that for small quantity production they do not recommend this method. We are using moulded commutators for the Goshawk production starter motor as… | ||
| Scan65 | Comparative heat test on insulation specimens of Sho, Bakelite, and Mouldensite. | ||
| View original record | RR 238 (300 Bks.) (SF 152. 6-11-18.) MP 197880 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To E.F.G. Order No P.B.50 Customer's No. X.1109 Sept 12th 1922. Comparative Heat Test of Specimens of Insulation. For… | ||
| Scan66 | Test results for diameter changes, shrinkage, and blistering of three material specimens: Elo, Bakelite, and Mouldensite. | ||
| View original record | RR 238 (300 Bks.) (SF 152. 6-11-18.) MP 197880 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To E.F.C. Order No P.B. 50. Customer's No. X 1109. Date: Sept 12th 1922. In the results given below, the figures for… | ||
| Scan67 | The comparative testing of insulating materials named Elo, black Mouldensite, and brown Mouldensite. | ||
| View original record | RR 238 (300 Bks.) (SF 152. 6-11-18.) MP 197880 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To E.F.C. Order No PB45. Customer's No. X1109 Tests on Insulating Materials The following comparative tests were… | ||
| Scan68 | Results of a heating test on specimens of Black and Brown Mouldenite, detailing weight increase and physical degradation. | ||
| View original record | RR 238 (300 Bks.) (SF 152. 6-11-18.) MP 197880 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To E.F.C. Order No P.B. 45. Customer's No. X 1109. Specimen | Wt. Before | Wt. After | % Increase --- | --- | --- |… | ||
| Scan69 | Temperature-related properties of three material specimens. | ||
| View original record | RR 238 (300 Bks.) (SF 152. 6-11-18.) MP 197880 ROLLS-ROYCE LIMITED. INSTRUCTIONS. To E.F.C. Order No. P.B. 45 Customer's No. X 1109 Date: August 10th 1922 The temperatures for the various conditions… | ||
| Scan70 | Recommendation to adopt the P & R Battery BD.11 as a simultaneous standard for the 40/50 model. | ||
| View original record | To R. from EFC. C. CJ. EFC/T15.9.22. X.3398 - P & R BATTERY BD.11 FOR 40/50. We recommend it would be a safe policy to adopt this battery as a simultaneous standard with the 6BXRE5 Exide battery,… | ||
| Scan71 | Comparative petrol consumption tests from Brooklands and other road tests. | ||
| View original record | BJ. from Hs. X788 Hs4/LG15.9.22. X788 X5056 Herewith comparative petrol consumptions taken during tests on Brooklands. We also have results of tests which have been taken on the road at various times… | ||
| Scan72 | Table comparing petrol consumptions from tests conducted at Brooklands with different axle and compression setups. | ||
| View original record | COMPARATIVE TESTS OF PETROL CONSUMPTIONS TAKEN ON BROOKLANDS. Condition of test. | 15 tooth axle. high comp: | 15 tooth axle low comp: | 14 tooth axle high comp: | 14 tooth axle. low comp: Car run at… | ||
| Scan73 | The cause and potential solutions for engine gear rattles in the Goshawk II model. | ||
| View original record | To R. from Hs. c. to CJ. c. to E. c. to De. c. to BY. ORIGINAL Hsl/LG16.9.22. GOSHAWK II. ENGINE GEAR RATTLES. X.4222 X.4247 We have found that the cause of the dynamo rattles has been due to slack in… | ||
| Scan74 | Note about an agreement with the D.O. to make a T-shaped plate for the Goshawk-II. | ||
| View original record | Contd:- -2- Goshawk-ll. The D.O. have agreed that the plate can be made T shape with little alteration to existing parts. Hs. | ||
| Scan75 | Comparison of petrol consumption for different axle configurations and compression ratios under various test conditions. | ||
| View original record | COPY COMPARATIVE TESTS OF PETROL CONSUMPTIONS TAKEN ON BROOKLANDS Condition of test. | 15 tooth axle. high comp. | 15 tooth axle. low comp. | 14 tooth axle. high comp. | 14 tooth axle. low comp. ---… | ||
| Scan76 | Responding to a telegram about testing the Goshawk-11 Silencer and Cut-out. | ||
| View original record | To R. from Hs. c. to CJ. c. to E. c. to EY. c. to Da. ORIGINAL. GOSHAWK-11 CUT-OUT. x4269 With reference to your telegram enquiring whether we have tested the Goshawk Silencer and cut-out. We shall… | ||
| Scan77 | Sending of paint colour pattern books and a sample for the 6.EX Car. | ||
| View original record | To R. from Hs. c. to CJ. ORIGINAL Y3923 Hs1/LG19.9.22. We are sending to you - 3 Books of paint colour patterns to enable you to choose the colour for 6.EX Car! We are also sending a sample of the… | ||
| Scan78 | Goshawk 11 radiator shutter sample, suggesting it is too light and should be made from thicker material. | ||
| View original record | E. from Hs. ORIGINAL. Hs4/LG20.9.22. GOSHAWK 11. RADIATOR SHUTTERS. Y4240 We are sending to you one section of the radiator shutters. The One we are sending is one of those made for the shutter which… | ||
| Scan79 | Suggesting a change to a vacuum feed petrol system from a pressure system. | ||
| View original record | R.R. 235B (100 T) (S.H. 798. 16-12-20) G. 2948 To HS. from E. E2/M18.9.22. STAMP: HS SEP 19. 1922 STAMP: RECEIVED HANDWRITTEN: X3923 RE. 6.EX. CAR. In addition to the items mentioned in your… | ||
| Scan80 | Tests to eliminate engine pulsations on a 4-Goshawk-11 car. | ||
| View original record | To H. from Hs. c. to CJ. c. to E. c. to Da. c. to HY. ORIGINAL Hs2/LGR1.9.22. 4-GOSHAWK-11 - ENGINE PULSATIONS. X4264 X634 We have been carrying out tests in connection with the pulsation period which… | ||
| Scan81 | The weights of the Goshawk chassis and its various accessories. | ||
| View original record | To D/EV. from Hs. c. to Da. c. to E. ORIGINAL. Hs2/LG22. 9.22. GOSHAWK WEIGHTS. X.4538. X3594 With reference to your memo. asking for chassis weight of Goshawk. The weight of one of the standard… | ||
| Scan82 | Preparation of two Goshawk-11 cars for the Paris Show. | ||
| View original record | R. from Hs. c. to C.J. ORIGINAL Hs3/LG23.9.22. GOSHAWK CARS FOR PARIS SHOW. X4219 V3609 CJ. and BJ. were at Derby on Thursday last and agreed that with your approval they would like 4-Goshawk-11… | ||
| Scan83 | Proposal to handle alterations in design for the Goshawk 11 chassis using standardisation sheets. | ||
| View original record | To R. from Hs. c. to CJ. and BJ. c. to E. c. to Da. c. to BY. c. to Wor. c. to EP. c. to RE. c. to PN. ORIGINAL. Hs2/LG26.9.22. GOSHAWK 11. X4219 We propose that any alterations in design made after… | ||
| Scan84 | Issues with demountable straight-sided rims coming off when tyres are deflated, and the subsequent improvements and tools supplied by Dunlop. | ||
| View original record | To R. from Hs. c. to C.J. c. to H. c. to Ba. c. to EY. c. to KP. ORIGINAL. Hs3/LG30.9.22. STRAIGHT SIDED RIMS AND TYRES. X4050 There has been one or two cases in which when a straight-sided tyre has… | ||