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 from the Experimental Department providing car performance data for Bentley, 25 HP, and 40/50 models.
| Identifier | ExFiles\Box 27a\4\ Scan201 | |
| Date | 8th September 1933 | |
| X1282 Experimental Dept. Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer}14/KT. Sept. 8th 1933. F.R. Banks Esq., Ethyl Export Corp., Abford House, Victoria, London, SW.1. Dear Banks, With reference to your letter of the 7th Sept. The information you require on car performance is as follows :- H.P. per Ex. Valve. HP./sq.in. of Ex. Valve. Bentley. 19.15 86.5 25 HP. 12.5 56.3 40/50 27.5 74.2 Yours sincerely, | ||