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).
Technical drawing of a flywheel with two views and full dimensions.
| Identifier | ExFiles\Box 126\2\ scan0153 | |
| Date | 18th November 1938 guessed | |
| FLYWHEEL SS{S. Smith} 232 6 holes equally spaced Tap 3/8" dia 6 holes equally spaced 7/16" DIA 11 5/8" P.C. DIA 12 1/2" DIA 6" DIA 3 11/32 DIA 7/16" 7/8" 5/32" 1 15/16 DIA 3 7/16 DIA 5 7/8" DIA 6 3/16" DIA 8 1/4" DIA 1/2" 1" | ||