Fortnightly progress report on experimental work, listing designs received and work carried out at Derby.
| Identifier | ExFiles\Box 76\2\ scan0238 | |
| Date | 11th December 1920 | |
| PROGRESS OF EXPERIMENTAL WORK. FORTNIGHT ENDING 11.12.20. DESIGNS RECEIVED FROM W.M. Lec.1316. Landaulet body. Kite. " 1317. Side channels. " " 1318. Sistex. Wheelcase & Gears. " " 1319. Clutch. " " 1320. Chassis model. " DESIGN WORK CARRIED OUT AT DERBY. Modification to starting handle. A.C. Spare wheel carrier. 40/50. Klaxon switch on steering column. " Tail lamp and number plate brackets for petrol tank with level gauge. Patents plate. R.H. Exhaust heater (Emperor of Japan(Experimental Engine)) Modification to steering box shaft. Wiring for power starter on Pre-War cars. Motor & Dynamo windings. Goshawk(Aero Engine)(Codename for 20HP Car / Aero Engine after Kestrel(Aero Engine)). Brake levers on back axle. " Engine controls. " Suggested method of constructing steering shaft. Brush holder for dynamo. Dashboard and brackets. Exhaust manifold. Silencer and tail pipe brackets. Arrangement of exhaust system. Accelerator pedal and foot control. Revised pendulum lever (also for Kite). Side channels. Kite. 3rd. Cross member. " Outline of flywheel. " Landaulet on Kite chassis. " Open body. " Clutch & gearbox. " Propeller shaft. " Front axle and cross steering tube. " Spring fittings. " Rear axle and brake gear. " (Contd). | ||
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).