Braking test results showing stopping distances and pedal pressures from 40 mph and 30 mph for different vehicle and tyre configurations.
| Identifier | ExFiles\Box 82\5\ scan0212 | |
| Date | 29th April 1938 | |
| -2- 29.4.38. Stopping from 40 m.p.h. Customer's car. 48 ft. pedal pressure 105 lbs. " " " " 3.B.IV. 6.50 x 16 tyres. 45 ft. pedal pressure 90 lbs. " " " " 3.B.IV. 5.50 x 18 tyres. 51 ft. pedal pressure 100 lbs. Stopping from 30 m.p.h. Customer's car. 26 ft. pedal pressure 90 lbs. " " " " 3.B.IV, 6.50 x 16 tyres. 27 ft. pedal pressure 100 lbs. " " " " 3.B.IV. 5.50 x 18 tyres. 27 ft. pedal pressure 80 lbs. Rm {William Robotham - Chief Engineer} /FD. {Frank Dodd - Bodies} | ||
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).