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).
Instructions to repair gearbox 4.HS by replacing the 2nd speed driver gear and removing a locating plate.
| Identifier | ExFiles\Box 94\2\ scan0106 | |
| Date | 8th December 1936 | |
| 328. HPS.{Horace Percy Smith - Experimental Factory Mgr} from Rm{William Robotham - Chief Engineer}/Gry.{Shadwell Grylls} Rm{William Robotham - Chief Engineer}/Gry.{Shadwell Grylls}22/AP.8.12.36. GEARBOX 4.HS.{Lord Ernest Hives - Chair} Some of the teeth of the 2nd. speed driver gear in this box are broken. Will you please fit the 2nd. speed gear out of 10 HS.{Lord Ernest Hives - Chair}, the pinion to have the same slack as now. Will you please also remove the steel plate which was used to locate the roller bearing in the back of the side shaft. Rm{William Robotham - Chief Engineer}/Gry.{Shadwell Grylls} | ||