Fortnightly progress report on experimental design work and tasks issued by the Drawing Office.
| Identifier | ExFiles\Box 76\2\ scan0245 | |
| Date | 15th January 1921 | |
| PROGRESS OF EXPERIMENTAL WORK. FORTNIGHT ENDING Jan.15/21. DESIGNS RECEIVED FROM W.R. ------------------------- DESIGN WORK DONE AT DERBY. Gear control springs. Goshawk(Aero Engine)(Codename for 20HP Car / Aero Engine after Kestrel(Aero Engine)) 1. Hand & foot brake equalizing gear. " Alternative method for supply of exhaust gas to induction pipes. " Modification to steering box. " Strengthened propeller shaft. " Brake gear. " Petrol tank. " Shock absorbers. " Combined vibrator regulator & cut-out (also for Goshawk(Aero Engine)(Codename for 20HP Car / Aero Engine after Kestrel(Aero Engine)) II) " Modified silencer and exhaust system. " Position of steering column. Goshawk(Aero Engine)(Codename for 20HP Car / Aero Engine after Kestrel(Aero Engine)) II Back axle tube stress diagrams. " Pumping joint on axle box. " Proposed combined switchboard. " Front and rear road springs. " Main base plate switch (Modification to strengthen) 40/50. Licence holders. " Modification to electrical switch control. Condor(Aero Engine). EXPERIMENTAL WORK ISSUED BY D.O. Flywheel starter motor W.Scheme 543. Completed. 40/50. Modification to R.R. Tyre pump controls. " Klaxon horn & fittings. Scheme N.662. " Number plate & rear lamp attachment to petrol tank Scheme N.661. " Cross members for 3/18 gear box. Part details. U.S.A. Gear box undersheet. Scheme N.642. Completed. (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).