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).
Blueprint drawing of a 40/50 crankshaft stiff flange.
| Identifier | ExFiles\Box 13\7\ 07-page093 | |
| Date | 2nd March 1931 guessed | |
| OTHER DIMENSIONS TO E 79788, HS{Lord Ernest Hives - Chair} 396, RECESS FOR BOLT HEAD, .750, 3.050, -.010 / 25, .325 / .10, .500, 7.400 DIA, -1, 3.275, 4.600 ±.010 DIA, 5.150 ±.010 DIA, 4.950 DIA CTL, 5.699 DIA, E OF B'ING, CRANKSHAFT STIFF FLANGE, 40/50 | ||