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 timings from a standing start to 80 MPH.
| Identifier | ExFiles\Box 82\3\ scan0178 | |
| Date | 8th April 1935 guessed | |
| Standing start through gears to 80 MPH. 29 secs. & 32.2/5 secs. G.W.H. | ||