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).
Request for the best petrol to use to obtain maximum power from Bentley engines for competitive trials.
| Identifier | ExFiles\Box 27a\4\ Scan338 | |
| Date | 26th October 1934 | |
| To "RM{William Robotham - Chief Engineer}" Works Levallois Sr/VA5/GM.26.10.34 re: Power out put (carburation) from Bentley engines. ---------------------------------------------------- "Sr" has requested we to drop you a personal line as to the best petrol or mixture of petrol to use in order to obtain maximum power when giving special trials to customers where there is the possibility of competition from other makes of cars such as Alfa-Roméo, Bugatti etc.. We, at present, use Esso petrol. VA. | ||