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).
Comparison of performance data for two vehicles during three separate hill climb tests.
| Identifier | ExFiles\Box 5a\5\ 05-page077 | |
| Date | 28th March 1929 guessed | |
| Weight of both cars : 33 cwts. 3 qrs. 13" wheels. 11/50 axle. on each car. STANTON HILL. 12-C-LV. 14-C-LV. Start 10 m.p.h. 10 m.p.h. Finish 19 m.p.h. 22 m.p.h. Time 32 secs. 31 secs. TICKNALL HILL. Start 10 m.p.h. 10 m.p.h. Gate 25* " 29 m.p.h. Finish 41 m.p.h. 48 m.p.h. Time 79 secs. 72 secs. PISTERN HILL. Start 10 m.p.h. 10 m.p.h. Max. speed 41.0 * 43.5 * Min. speed 17 m.p.h. 23 m.p.h. Speed at 34 m.p.h. 38.5 " Finish 25.75 * 30.75 * Time [strikethrough] [strikethrough] 1 m.{Mr Moon / Mr Moore} 52.4 s. 1 m.{Mr Moon / Mr Moore} 36.4 s. | ||