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 and braking test results for the 6-EX car model.
| Identifier | ExFiles\Box 113\2\ scan0047 | |
| Date | 29th August 1923 | |
| To R.{Sir Henry Royce} from Hs.{Lord Ernest Hives - Chair} c. to EP.{G. Eric Platford - Chief Quality Engineer} x/725 Hs{Lord Ernest Hives - Chair}1/LG29.8.23. ACCELERATION & BRAKING ON 6-EX CAR. X.3923. X.1725 X.718. Acceleration on 6-EX car between 20 and 30 m.p.h. is 2.5 ft. per sec. The distance in which the brakes will bring the car to rest at 15 m.p.h. is 7 yds. 20 m.p.h. " 12 " 26 m.p.h. " 20 " These tests were taken on tarmacadam roads. Hs.{Lord Ernest Hives - Chair} | ||