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).
Vehicle issues and acceleration test results.
| Identifier | ExFiles\Box 82\1\ scan0096 | |
| Date | 9th April 1933 guessed | |
| - 3 - (21) Dynamo brushes have periods of noise (vibration) (22) The rear anchorage of the O.S.F. road spring all bolts were found to have worked loose ( finger tight only) after a mileage of 12,196. (23) The floor boards having settled down, has caused the propeller shaft to foul at the front end. (24) Serious wear observed on O.S. front hub and wheel hub after a mileage of 11,900. The other hubs show wear and are not satisfactory. ----------------- The acceleration figures of the car are as follows: Acceleration tests cutout closed, with thin gasket. M.P.H. SEC. M.P.H. SEC. 10 -20 5 10 - 20 5 10 - 30 8 2/5 20 - 30 4 3/5 10 - 40 13 30 - 40 3 1/5 10 - 50 18 2/5 40 - 50 5 2/5 10 - 60 23 50 - 60 5 10 - 70 31 4/5 60 - 70 7 2/5 10 - 80 44 4/5 70 - 80 11 10 - 80 through gears 38 sec. Acceleration figures with cutout closed, and copper asbestos gasket M.P.H. SEC. M.P.H. SEC. 10 - 20 5 10 - 20 5 10 - 30 8 4/5 20 - 30 4 1/5 10 - 40 14 1/5 30 - 40 4 2/5 10 - 50 19 40 - 50 5 1/5 10 - 60 25 3/5 50 - 60 6 10 - 70 32 3/5 60 - 70 7 3/5 10 - 80 44 70 - 80 11 10 - 80 through gears 42 sec. ----------------- | ||