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).
Letter to Richard Summers of John Summers & Sons Ltd. detailing vehicle road speeds at 4500 rpm for different gears.
| Identifier | ExFiles\Box 89\1\ scan0042 | |
| Date | 26th March 1934 | |
| x7961 Exptl. Dept. Hs{Lord Ernest Hives - Chair}/Gry.{Shadwell Grylls}4/KW. 26th March, 1934. Richard Summers, Esq., Messrs. John Summers & Sons Ltd., Hawarden Bridge Steel Works, Shotton, Chester. Dear Mr. Summers, I understand you want to know the exact road speeds for various engine speeds on each gear. At 4500 r.p.m. the road speeds on top, 3rd, 2nd and 1st gears are 94, 76, 54 and 34 m.p.h. Hoping the speedo. is not too fast. Yours sincerely, FOR ROLLS-ROYCE LIMITED. | ||