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).
Internal query regarding the optimal engine speed for operating the tyre pump on the 40/50 HP chassis.
| Identifier | ExFiles\Box 149\5\ scan0051 | |
| Date | 21th February 1924 | |
| To Hs.{Lord Ernest Hives - Chair} X993 BY/SS{S. Smith}3/DB.{Donald Bastow - Suspensions}21.2.24. Re 40/50 HP CHASSIS - TYRE PUMP. Can you please inform us what is the best speed to run the 40/50 Engine, when the tyre pump is in gear? The tyre pump runs at engine speed. The Test Dept: are asking us for this information. SS{S. Smith} BY/SS.{S. Smith} | ||