Consumption test report for a 40/50 chassis at various speeds.
| Identifier | Morton\M22\ img037 | |
| Date | 12th May 1919 | |
| To R. {Sir Henry Royce} from EH. c. to CJ. c. to Bn. {W.O. Bentley / Mr Barrington} c. to E. {Mr Elliott - Chief Engineer} c. to Da. {Bernard Day - Chassis Design} X.3066 49 GB EH3/LG12.5.19. 12th. May 1919. X.3056. CONSUMPTION TEST ON A 40/50 CHASSIS AT VARIOUS SPEEDS. X. 2631. These tests were taken on 49-GB. The engine is similar to the high compression engines we are at present making. The tests were taken on the Ashbourne to Buxton roads - a test was run each way of the road and the mean taken. M.P.H. M.P.G. Water Temp. 20 20.5 85° 30 18.5 85° 40 16.0 85° 50 14.5 85° During these tests the mixture was adjusted at each speed - standard mex spirit. EH. | ||
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).