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).
Chassis and body torsion test results for a Wraith Chassis 26 G.VI without the front cross channel.
| Identifier | ExFiles\Box 8\10\ 10-page121 | |
| Date | 17th June 1937 | |
| CHASSIS & BODY TORSION TESTS. WRAITH CHASSIS 26 G.VI. WITHOUT FRONT CROSS CHANNEL FRAME 0.128 THICK WITH LARGE HOLES & 0.010 THICKER CROSS TORQUE LBS-INS | FRONT CROSS MEMBER | FRONT AXLE | - | DASH. | BODY BRACKET | BODY BRACKET | REAR SPRING SHACKLE ANCHORAGE | REAR AXLE 14,250 | 1 - 20 | 1 - 15 | 0 - 55 | 0 - 45 | 0 - 35 | 0 - 25 | 0 - 20 | 0 - 15 | WITHOUT 28,500 | 2 - 40 | 2 - 25 | 1 - 55 | 1 - 35 | 1 - 05 | 0 - 55 | 0 - 45 | 0 - 30 | HYSTERESIS. 42,750 | 4 - 20 | 3 - 40 | 3 - 00 | 2 - 30 | 1 - 50 | 1 - 15 | 1 - 00 | 0 - 35 57,000 | 5 - 55 | 5 - 10 | 4 - 05 | 3 - 30 | 2 - 25 | 1 - 55 | 1 - 25 | 0 - 50 | W.II. | ||