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 detailing the dimensions for a crankshaft stiff flange.
| Identifier | WestWitteringFiles\V\2January1931-April1931\ Scan042 | |
| Date | 2nd March 1931 guessed | |
| [ "H S 396", "OTHER DIMENSIONS TO E 79738", "RECESS PER BOLT HEAD", ".750", "3.050", ".400 +-5", ".300", ".325 -10", "7.400 DIA -1", ".275", "4.600 +-10 DIA", "5.150 +-10 DIA", "4.950 DIA CTS{C. Trot Salt - Carburation}", "5.699 DIA -1", "C of BRG", "CRANKSHAFT STIFF FLANGE", "40/50" ], | ||