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).
Acceleration test results for vehicle 25-EX, showing times for various speed increments.
Identifier | ExFiles\Box 11\3\ 03-page402 | |
Date | 6th July 1931 | |
87941. 6.7.31. ACCELERATION TESTS ON 25-EX. First Table: M.P.H. | OUT Secs. | IN Secs. | AVERAGE. 10 - 20 | 4.2 | 4.3 | 3.9 | 4.0 | 4.1 20 - 30 | 4.4 | 4.4 | 4.1 | 4.2 | 4.3 30 - 40 | 4.8 | 4.8 | 4.2 | 4.2 | 4.5 40 - 50 | 5.4 | 5.8 | 5.8 | 5.8 | 5.7 50 - 60 | 6.5 | 6.6 | 6.3 | 6.2 | 6.4 60 - 70 | 9.2 | 9.0 | 8.0 | 8.2 | 8.6 Second Table (From Addition): 10 - 30 | 8.8 | 9.6 | 8.0 | 8.0 | 8.35 | 8.4 10 - 40 | 13.8 | 13.6 | 12.5 | 12.8 | 13.2 | 12.9 10 - 50 | 19.7 | 19.0 | 17.3 | 19.0 | 18.25 | 18.6 10 - 60 | 25.8 | 25.7 | 23.8 | 23.2 | 24.6 | 25.0 A slight cross wind was if any blowing in the I.N. direction. Leslie. G.H.A. Brazier. | ||