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).
Detailed technical drawing of a crankshaft with dimensional annotations.
| Identifier | ExFiles\Box 22\1\ Scan071 | |
| Date | 8th January 1924 | |
| CRANKSHAFT - PART SECTION SHOWING OIL HOLES IN CIRCULAR WEBS. (SCALE-1/2) ALUMINIUM PLUGS SCREWED 1.375 DIA. - VIEW IN DIRECTION OF ARROW - CLUTCH LINING 1.625 WIDE X .250 THICK. 12- .375 DIA. STUDS EQUALLY SPACED. ROLLS-ROYCE, LIMITED PRINT ROOM 8 JAN. 24 DERBY Dimensions: 28.400, 26.650, 24.166, 21.915, 19.433, 17.182, 15.750, 14.703, 13.500 Ø, 12.449, 9.970, 7.716, 7.712, 5.237, 5.125, 2.983, 2.750, 2.375, 2.175, 2.125, 1.975, 1.750, 1.325, .504, .475, .150 R, .075, 2.750 Rad Numbered Parts: 1, 2, 3, 4, 5, 6 Other Text: 3&4, 1&6, 2&5 | ||