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).
Typed memo discussing vehicle options and running conditions for a trial, focusing on gear and axle quietness.
| Identifier | ExFiles\Box 148\5\ scan0039 | |
| Date | 18th December 1928 guessed | |
| contd :- -2- I can do with EAC.7. with a straight bevel axle or the 20 HP. that is here or the one with the Hooper body. after the driver gets there he can, if you are short of drivers, go to the where the SS.{S. Smith} and C.4. are. Probably the running could go on through the nights and get in 3 periods of 6 hrs. 40/50 6 X 40 X 3 = 720 miles/day. 20 HP. 6 X 35 X 3 = 630 " " It will not be absolutely necessary for the cars running in France to be the 'last word' in quietness, the 15,000 miles Silver Ghost started with rather noisy gears but became quiet with running. however I should prefer that at least the axle bevel should be quiet, as noise might indicate distress and wear of the surface of the teeth. R.{Sir Henry Royce} | ||