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).
Performance comparison notes from two acceleration tests between cars.
| Identifier | ExFiles\Box 155\1\ scan0089 | |
| Date | 1st June 1933 guessed | |
| -2- Starting both cars level at 10 m.p.h., top gear, 3.Per.II. S.U. carvs. gains about 2 lengths by 40, 5 by 50, and about 150 yards by max. speed. Starting level at 50 m.p.h. 3.Per.II. gets over 100 yards ahead. Hs{Lord Ernest Hives - Chair}/Gry.{Shadwell Grylls} | ||