Fortnightly progress report on experimental work, detailing designs received and work completed at Derby.
| Identifier | ExFiles\Box 76\2\ scan0248 | |
| Date | 30th January 1921 | |
| PROGRESS OF EXPERIMENTAL WORK. FORTNIGHT ENDING 30.1.21. DESIGNS AND INSTRUCTIONS RECEIVED FROM H.M. L.C.Q. 1329. Brake actuating gear Goshawk(Aero Engine)(Codename for 20HP Car / Aero Engine after Kestrel(Aero Engine)) II " 1330. Frame. " " 1331. " " " 1332. Cylinder head. " " 1333. General arrangement of gearbox. " " 1334. Universal joint. " " 1335. Water pump and drive. " " 1336. Width of back axle and frame. " " 1337. Valve springs. " " 1338. Side channels. " " 1339. Dumb irons. " " 1340. Water pump and drive. " DESIGN WORK DONE AT DERBY. Revised brake gear. Goshawk(Aero Engine)(Codename for 20HP Car / Aero Engine after Kestrel(Aero Engine)) 1. Lug on rear axle combination ring for shock damper. " Modification to steering column. " Rear lamp bracket and wiring on petrol tank. " Steering wheel (also for Goshawk(Aero Engine)(Codename for 20HP Car / Aero Engine after Kestrel(Aero Engine)) II). " Footbrake wear adjuster. " Clutch and brake pedals modified. " Rough diagram of proposed electrical system. (also for Goshawk(Aero Engine)(Codename for 20HP Car / Aero Engine after Kestrel(Aero Engine)) II). " Brake equalising gear. " Front and rear road springs. Goshawk(Aero Engine)(Codename for 20HP Car / Aero Engine after Kestrel(Aero Engine)) II Coachwork drawing. " Corrected gears, back axle centre gear box. " Axle tube, brake and hubs. " Combined cut-out and vibrator regulator. " Front spring shackle and fittings. " Rear universal. " Petrol tank. " Petrol level indicator. " Front axle and cross steering tube. with 820 x 120 mm. Rudge-Whitworth wire wheels. " Side steering tube and lock with Rudge-Whitworth and Dunlop 820 x 120 mm. wire wheels. " 3rd Cross member. " Clip for exhaust heater (Emperor of Japan(Experimental Engine)'s car) 40/50. Modification to Distribution board, to take spare fuses. " Licence holders. " (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).