Rolls-Royce Archives

Rolls-Royce Experimental Archives: Box WestWitteringFiles\J\April1923\        Box Selection

IdentifierEntry
Scan0 Investigations and improvements for the Goshawk dynamo, focusing on brushes and vibrator regulators.
View original record R.R. 235A (100 T) (S.H. 159, 11-8-20) G. 2800 ORIGINAL TO EFC. FROM R. R1/M6. 4. 23. c. to CJ. BJ. WOR. c. to PN. E. DA. c. to BY. HS. EP. RE. GOSHAWK DYNAMO. I am in receipt of yours of 26/3/23. and…

Scan1 Starter motor gear ratios and engine starting speeds.
View original record R.R. 235A (100 T) (S.H. 159, 11-8-20) G. 2800 ORIGINAL. 2. TO EFC. FROM E. E2/M12. 4. 23. c. to CJ. X 9620 RE. STARTER MOTOR - EFC1/T9423. In reply to your EFC1/T9423. we should be glad if you could…

Scan2 Proposal to revise the standard set of feeler blades for the 40/50 and Goshawk chassis.
View original record R.R. 235A (100 T) (S.H. 159, 11-8-20) G. 2800 TO HS. ) EP. } FROM E. BY. ) c.c. to CJ. ORIGINAL E1/M13. 4. 23. RE. TOOLS AND SPARES FOR 40/50 AND GOSHAWK CHASSIS. X1027 X4084 Referring to the standard…

Scan3 Experimental report on a wheel carrier for the 40/50 model before selling it to coachbuilders.
View original record TO BY. FROM DA/EV. c. to IHS. HS.✓ ORIGINAL DA/EV2/M14.4.23. RE. WHEEL CARRIER FOR 40/50. /3633 We have seen this fitted to 6.EX. and understand that it is desired to sell such a fitting to…

Scan4 Request to trial a set of Goshawk 11 dipping headlights with a hand lever control mounted on the steering column.
View original record TO EY. FROM DA. c. to CJ. WOR. HS. ORIGINAL DA1/M24.4.23. GOSHAWK 11. DIPPING HEAD LIGHTS. X4555 As we wish to have a set of these lights tried as soon as possible, we have completed the scheme by…

Scan5 Critique of the Goshawk saloon body and proposals for a new standard design for the 20.HP chassis.
View original record TO Ed. FROM R. ORIGINAL R3/M26.4.23. c. to Cx. IHS C. c. to Dt. HS. c. to DV. EP. GOSHAWK SALOON BODY. X3750 This body is one of the ideal types for owner driver (lady or man) who desires a closed…

Scan6 The performance and proposed design changes for two 20.HP 'Goshawk' cars tested in the South of France.
View original record TO CJ. BU. WOR. FH. HS. LHS. SP. SY. E. DA. C. CX. CY. Lord Wargrave. Mr.A.H.Claremont. FROM R. ORIGINAL GOSHAWKS IN SOUTH OF FRANCE. X4219 We have had two 20.HP. cars out here this spring. It was…

Scan7 New larger crankshaft design for the Goshawk engine pending a 10,000-mile trial.
View original record ORIGINAL TO BY. FROM R. c. to CJ. c. to HJ. c. to WOR. c. to FH. c. to HS. c. to DA. c. to EP. R5/M26.4.23. GOSHAWK CRANKSHAFT. X4221 I suggest that we go ahead to prove that the larger shaft with…

Scan8 Modifying the Goshawk fan drive by using a belt from the dynamo drive to reduce rattling.
View original record ORIGINAL TO HY. FROM R. c. to CU. BJ. WCM. c. to PH. HS. GD. c. to DA. E. BD. R4/M26.4.23. X3522 X4237 GOSHAWK FAN DRIVE. On No.7. Goshawk the fan is being driven by belt from the dynamo drive. It…

Scan9 Technical memorandum discussing ignition options for the Goshawk engine, comparing battery versus magneto systems.
View original record TO RV. FROM R. C. to Cd. Rd. HGH. C. to FH. RS. FPC. C. to RH. MS. ORIGINAL 3-2 R1/M26.4.23. X.3485 RE. IGNITION - GOSHAWK. X3551 You will remember that I recommended every Goshawk to be turned out…

Scan10 Page detailing considerations for a new cobalt steel magnet and magneto driving shaft coupling.
View original record (2) of the new cobalt steel magnet, and also we shall have the great advantage of the absence of the distributor. These points with the magneto swung over will render the tappets passably accessible,…

Scan11 Recommending the immediate adoption of a third design for the Goshawk Damped Spring Drive.
View original record ORIGINAL. TO EY. FROM R. c. to EJ. c. to Bd. c. to Hort. c. to TN c. to HS. c. to DA. c. to E. c. to R. R6/A/26.4.23. GOSHAWK DAMPED SPRING DRIVE, X42222. This third design is so manifestly superior,…

Scan12 Improvements to the Goshawk rear axle, including a stronger casting and a coarser bevel gear.
View original record ORIGINAL TO HY. FROM R. R7/M26.4.23. c. to Gd. c. to Ev. c. to HcH. c. to DA. c. to S. c. to HS. c. to MP. GOSHAWK REAR AXLE. X4256 We have suggested certain improvements to the central casting and…

Scan13 Advantages and disadvantages of moving the oil pump drive to the centre of the engine.
View original record ORIGINAL. S E C R E T. TO R. FROM E. E1/M27.4.23. c. to-CJ. HS. BY. E. A. C. RE. OIL PUMP DRIVE BEING MOVED TO CENTRE OF ENGINE. X9160 Regarding the above, apart from allowing us to use the most…

Scan14 Shortcomings of braking systems, engine vibrations, and competitor vehicles.
View original record ORIGINAL SECRET. R1/M28.4.24. TO E. & D.A. FROM R. Copy to - CJ. WGR. HS. E. A. C. X9770 X4214 X9550 X1013 I think you did well in finding the short-comings of our and Hispano brakes at close…

Scan15 Hand-drawn sketch with typed annotations of a pawl and ratchet mechanism.
View original record I left the pawls to West Wittering, But cannot help sending you this. 60° fairly exactly. About .3 or .4 About .1 or .125 3 pairs exactly diametrically oppo-site - i.e. 6 ratchets have teeth divisible…

Scan16 Outlining communication procedures for officials traveling abroad on business.
View original record 1573 H Copy on notices file 812. To G. from CJ. c. to Cx. c. to H. c. to PN. c. to Hm. c. to Sg. c. to Wcr. c. to D. c. to EP. c. to Hs. c. to Rg. c. to EV. c. to Hmr. c. to Hr. c. to Wd. c. to A. c.…

Scan17 From 'Hs.' to R. Le Canadel regarding the preparation and transportation of a Goshawk car for testing.
View original record ORIGINAL. R. Le Canadel, from Hs. Hsl/LG8.4.23. GOSHAWK. X4219 Rg. and myself will bring to Le Canadel 7-Goshawk-11 car. There are several units on this car which we require to run and get some…

Scan18 The use of coarser pitch bevel and ground gears for the rear axle and engine.
View original record GRAND HOTEL DU CANADEL LE CANADEL-SUR-MER, le Par le Lavandou (Var) Ouvert toute l'année GARE LE CANADEL (Ch-fer Sud-France par Hyères ou St-Raphaël, P. L. M.) ORIGINAL 15/4/23 X42L9 目 By from HS Wor…

Scan19 Sticking issue with the Bijur starter drive pinion and proposing a clearance fix.
View original record trying a set of ground hardened gears, if they are to be straight bevels they should all be hardened. We have had trouble on 7 G II with the Bijur starter drive sticking, it was due to the pinion…

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