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).
Graph showing the results of chassis and body torsion tests for the Wraith 'Bumper' chassis.
| Identifier | ExFiles\Box 8\10\ 10-page134 | |
| Date | 10th June 1937 | |
| CHASSIS & BODY TORSION TESTS WRAITH "BUMPER" CHASSIS FRAME 0.060" THICK NO LARGE HOLES WITH HYSTERESIS 10 JUNE 1937 W. 7 Top Axis Values: 5.375", 16.75", 19.5", 26.5", 25.5", 19.25", 29.75", 26.5" Left Axis (LBS-INS): 57,000, 42,750, 28,500, 14,250 Left Axis (Degrees): 7º, 6º, 5º, 4º, 3º, 2º, 1º, 0º, SET Bottom Axis Labels: FRONT CROSSMEMBER, FRONT AXLE, DASH, BODY BRACKET, BODY BRACKET, REAR SPRING SHACKLE ANCHORAGE, REAR AXLE | ||