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).
Engine design options, considering supercharged and unsupercharged units for various models.
| Identifier | ExFiles\Box 126\1\ scan0127 | |
| Date | 13th June 1934 | |
| -2- HS{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer}17/KW.13.6.34. develop. we appreciate that there are objections to fitting a supercharger to the present Bentley engine, that the 'B' is fundamentally more suited to the engine speeds likely to be encountered. This however might be discussed with advantage. Presumably a supercharged small bore 'S' for the Bentley and an unsupercharged larger bore 'S' for the 20/25 might be acceptable, both units being to the present 'Wraith' designs. HS{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} | ||