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 19-EX, detailing performance times, weather conditions, and engine settings.
| Identifier | ExFiles\Box 11\4\ 04-page067 | |
| Date | 30th June 1932 | |
| V7941 ACCELERATION TESTS. 19-EX; 30.6.32 Blois - Orleans road. tarmac surface. Wind against on IN. run. Air temp. 25°C. Valve Timing - I.O. 5.58° P.T.D.C. I.C. 54.75° P.B.D.C. E.O. 46.5° B.B.D.C. E.C. 11.16° P.T.D.C. Carburetter needle 90°. S=IC/R 25.EX. 2.8.3,0 11X41 AXLE TABLE: M.P.H. | OUT | IN | Average 10 - 20 | 4.8 5.2 | 5.2 5.0 | 5.1 20 - 30 | 4.6 4.8 | 5.2 5.2 | 4.9 30 - 40 | 4.4 4.8 | 5.2 5.0 | 4.8 40 - 50 | 5.8 6.0 | 6.0 6.0 | 6.0 50 - 60 | 7.0 7.2 | 7.6 7.8 | 7.4 60 - 70 | 8.4 8.6 | 10.4 10.4 | 9.4 70 - 80 | 15.4 15.2 | 25.0 24.8 | 19.8 Handwritten notes (right side): 25EX. 4.1 4.3 4.5 5.7 6.4 8.6 WCL | ||