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).
Comparing the dynamometer horsepower and Mean Effective Pressure (M.E.P.) of foreign cars with the 40/50 chassis.
| Identifier | ExFiles\Box 124\3\ scan0120 | |
| Date | 1st June 1921 | |
| x3317 To E.{Mr Elliott - Chief Engineer} from Hs.{Lord Ernest Hives - Chair} Hs{Lord Ernest Hives - Chair}1/LG3. 6. 21. x1692 x3317 HORSE POWER CURVES OF FOREIGN CARS. The M.E.P. given for Foreign cars is taken from the horse power obtained on the dynamometer. It includes the losses in transmission and road wheels. They can be compared with the curve of M.E.P. of our own 40/50 chassis of the dynamometer horse power. Hs.{Lord Ernest Hives - Chair} [Watermark: CROXLEY] [Text upside down at bottom edge: R.R. 235B (100 T) (S.H. 79S. 10-12-20) G.{Mr Griffiths - Chief Accountant / Mr Gnapp} 2948] | ||