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 tests conducted on a vehicle before and after altering the axle ratio.
| Identifier | ExFiles\Box 113\2\ scan0194 | |
| Date | 28th March 1938 | |
| Rm.{William Robotham - Chief Engineer} 25-G-VI. ---------- 1000 28/3/38 Acceleration Tests before and after altering axle ratio taken on Shardlow Road. Weight of car 1 ton 19 cwts, 0 qrs. 7 lbs. M.P.H. Axle ratio Axle ratio 4.55 to 1. 4.25 to 1. 10 -20 4.05 Secs 4.1 Sec. 10 -30 8.2 " 8.5 " 10 -40 13.0 " 13.05 " 10 -50 18.2 " 18.2 " [Signature: Rm{William Robotham - Chief Engineer}] -------------------- [Illegible Signature] | ||