From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Progress report on experimental work, detailing designs received, work carried out at Derby, and work issued by the Production D.O.
| Identifier | ExFiles\Box 76\2\ scan0235 | |
| Date | 27th November 1920 | |
| PROGRESS OF EXPERIMENTAL WORK. FORTNIGHT ENDING 27.11.20. DESIGNS RECEIVED FROM W.H. Lec. 1310. Crankshaft Goshawk "B" " 1311. Model " " " 1313. General arrangement of engine. " " DESIGN WORK CARRIED OUT AT DERBY. Towing hooks. A.C. Floorboard modification for hand starter gear. " Coachwork clearance at axle. " Pro: Bevel pinion and crown wheel on rear axle 40/50 (14 & 52 teeth). Axle clearance template. " Yale lock fitted to bonnet " Alternative proposals for gauge lamp. " Modification to steering box ball bearing housing. " Power curve. " Layout of silencer dropped .500". " "Duplex" tail lamp bracket for 21T.W. " Modification to rear end of spring. " Klaxon switch on steering column. " Cross members. Buzzard. Starting handle. Goshawk. "A" Modification to steering box. " Preliminary arrangement of hand and foot brake controls. " Petrol tank support. " Brake gear on rear axle. (1st chassis) " Controls. " EXPERIMENTAL WORK ISSUED BY PRODUCTION D.O. Gudgeon pins (4 schemes) Completed. 40/50. Spare wheel carrier - GXY. " " Modifications to rear road springs. " " Scheme N.633. 3/19 Gear box - U.S.A. Part details. " Piston - Lec. 1260. Completed. Vulture. (Contd). | ||