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).
Engine timing, performance metrics, and testing for the New Phantom open trials car.
| Identifier | ExFiles\Box 69\4\ scan0285 | |
| Date | 19th May 1925 | |
| X.8771 To FN. from Hs.{Lord Ernest Hives - Chair} c. to BJ. c. to EP.{G. Eric Platford - Chief Quality Engineer} c. to CWB. Hs{Lord Ernest Hives - Chair}9/LG19.5.25. OPEN TRIALS CAR - NEW PHANTOMCodename for PHANTOM I. With reference to FN3/EN19.5.25. Our man Bagley in London should be able to quickly determine whether the engine is firing too late on the engine you mention. We are not in a position to discuss the performance in the terms of M.P.H. There are so many variables which can affect these figures which are entirely outside the design of the chassis. The H.P. measured at the road wheels is the only basis we can work from. The EAC. cars despatched to London have passed the schedule of tests agreed to for that type of car. Hs.{Lord Ernest Hives - Chair} | ||