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 faults and two sets of acceleration performance figures.
| Identifier | ExFiles\Box 179b\4\ img016 | |
| Date | 9th April 1933 guessed | |
| -3- (21) Dynamo brushes have periods of noise (vobration). (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 12,195. (23) The floorboards having settled down, have 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: 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 2/5 60-70 7 3/5 10-80 44 70-80 11 10-80 through gears 42 secs. | ||