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).
Half-scale technical drawing of a Lorraine Dietrich crankshaft with various cross-sections and dimensions.
| Identifier | ExFiles\Box 22\4\ Scan082 | |
| Date | 1st March 1927 | |
| CRANK SHAFT - LORRAINE DIETRICH - SCALE 1/2 TIMING GEARS AT FLYWHEEL END CRANKSHAFT PINION SECTION AA{D. Abbot-Anderson} SECTION BB SECTION CC SECTION DD SECTION EE LENGTH OF THROW - 6.5 CMS = 2.559 INS WEIGHT AS DRAWN WITH OILERS - 53 LBS 8 OZS UNDERCUT 1.350 DIA 1.378 DIA. 1.135 DIA. 1.880 DIA 1.771 DIA. ALL CRANKPINS HOLE FOR LIGHTNESS .250 DIA. 1.965 DIA 3.825 DIA TAPER 1 IN 5 APPROX OIL GUARD 3.200 DIA 3.300 DIA 7.700 DIA RETAINING NUT .800 DIA 2.021 DIA .230 DIA HOLE MOTOR 21.810 18.580 13.325 10.085 4.840 14.025 23.420 5.075 4.400 2.650 .675 1.960 .765 1.360 70° .330 1.850 1.200 1.650 2.055 6.450 .730 1.610 3.380 2.120 1.050 .515 .380 .550 .650 .350 .300 1.430 RAD 3.280 RAD 3.525 RAD 2.400 2.000 1.300 3.550 1.560 60° 2.725 2.000 .775 .550 LENGTH OF SKEW 1.525 .270 1.225 STAMP TEXT: ROLLS-ROYCE LTD. PRINT ROOM 1 MAR 1927 DERBY | ||