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).
Petrol consumption tests for a tank carburettor at various speeds.
| Identifier | ExFiles\Box 5a\3\ 03-page275 | |
| Date | 10th June 1933 | |
| X 5800 To Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} From G.W.H. Hotel de France. Chateauroux. Indre. 10.6.33 18.G.IV. TANK CARBURETTOR The following are the petrol consumptions taken over a distance of 5 miles for each test. The average works out at: 30 M.P.H. 18.33 M.P.G. 40 M.P.H. 16.78 M.P.G. 50 M.P.H. 14.81 M.P.G. G.W.H. | ||