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).
Modifications for gearbox no. 4.HS for further testing.
| Identifier | ExFiles\Box 94\2\ scan0141 | |
| Date | 31th 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}19/R.31.12.36. GEARBOX NO. 4.HS.{Lord Ernest Hives - Chair} Will you please build this box up for further testing with the following modifications:- (1) 2nd Motion Shaft G.85124 with roller race and washers to suit. (2) 2nd Speed loose pinion bushes to G.85149/50/1. (3) Retain the double row bearing on the 3rd motion shaft which has been temporarily fitted in 7 HS.{Lord Ernest Hives - Chair} (4) New N.Sch.4824 2nd speed pieces. Rm{William Robotham - Chief Engineer}/Gry.{Shadwell Grylls} | ||