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).
Specification sheet detailing the weights of components for a Bentley 6 Cyl. 3½ x 4½ engine.
| Identifier | ExFiles\Box 91\1\ scan0543 | |
| Date | 30th September 1938 guessed | |
| BENTLEY 6 CYL. 3½ x 4½. Engine as in photograph, less flywheel, clutch and electrical equipment 462 lbs. Dynamo (150 watt).. 24 lbs. } Starter Motor...... 22½lbs. } 51 lbs. Drive & Straps..... 4½lbs. } Flywheel & Clutch 55 lbs. (Not standard) _____ 568 lbs. Peak H.P. 127 at 3750 R.P.M. | ||