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).
Comparison of performance data for High Lift versus Standard petrol pumps.
| Identifier | ExFiles\Box 123\4\ scan0317 | |
| Date | 25th January 1937 guessed | |
| -2- 36-EX total weight t. cwts. qr. lbs. 2 12 3 14 Petrol consumption 8.8 M.P.G. Av. speed 50 M.P.H. 9.2 M.P.G. Av. speed 50 M.P.H. Both cars ran together 189 miles run. 189 miles run. Identical settings on both carburetters. High Lift Petrol Pumps Standard Petrol Pumps. Mixture too strong at high speeds with standard setting of .060" byepass jet. Maximum speed identical with .055" byepass jet. Rm{William Robotham - Chief Engineer}/G.Ratcliffe. | ||