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).
Continued note on reducing transmission losses and improving fuel efficiency with thin oil.
| Identifier | Morton\M22\ img137 | |
| Date | 28th October 1920 | |
| R.R. 285B (100 T) S.H 89. 22-7-20) G 2769 -4- Hs{Lord Ernest Hives - Chair}1/LG28.10.20. Contd. This is on a car which we have reduced the transmission losses to a minimum by use of thin oil. If we take an average car in the customers hands which does 15 M.P.G. in an hours run at 30 M.P.H. as much petrol is being used to turn the engine as there is to drive the car. Hs.{Lord Ernest Hives - Chair} | ||