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 of a crankshaft for a Lorraine-Dietrich engine, showing main dimensions and cross-sections.
| Identifier | WestWitteringFiles\Q\February1927-March1927\ 73 | |
| Date | 1st March 1927 | |
| TIMING GEARS AT FLYWHEEL END CRANKSHAFT PINION SECTION AA{D. Abbot-Anderson} SECTION BB SECTION CC SECTION DD SECTION EE RETAINING NUT LTD PRINT ROOM, 1 MAR 1927 DERBY. CRANK SHAFT _ LORRAINE DIETRICH _ SCALE 1/2 LENGTH OF THROW _ 6.5 CMS = 2.559 INS WEIGHT AS DRAWN WITH OILERS _ 53 LBS 8 OZS HOLE RIGHT THRO .25 DIA ALL CRANKPINS 1.771 DIA. UNDERCUT 1.350 DIA UNDERCUT 1.330 DIA TAPER 1 IN 5 APPROX OIL GUARD 3.200 DIA Dimensions & Labels: 1, 2, 3, 4, 5, 6 (circled journals) 21.810, 18.580, 13.325, 10.095, 4.840, 6.430, 2.120, 1.050, .515, .370, .530, .350, 3.350, 1.610, .750, 3.685 DIA, .075, .092, .350, 1.960, .763, 1.360, 2.650, 4.400, 5.075, 14.925, 23.420, 2.055, 1.650, .225, 1.800 DIA, 1.985 DIA, 1.530, 1.200, .010, 70°, .530, .375 DIA, 1.180 DIA, 1.890 DIA, 1.615 DIA, .925, 2.095, 4.100, 6.075, 2.400, 2.000, 1.300, 1.450 RAD, 3.250 RAD, 2.500 DIA, 3.500 DIA, 7.700 DIA, 2.021 DIA, 2.725, .550 WIDTH OF SLOT, .525, 29°, .250 DIA HOLE, .775, 60°, 1.560, .800 DIA | ||