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 a Wraith chassis.
| Identifier | ExFiles\Box 8\10\ 10-page136 | |
| Date | 7th June 1937 | |
| CHASSIS & BODY TORSION TESTS 7 JUNE 1937 WRAITH CHASSIS 26 G.{Mr Griffiths - Chief Accountant / Mr Gnapp} VI. FRAME 0.128 THICK WITH LARGE HOLES WITH 0.010 THICKER MAIN CROSS WITH FRONT CROSS CHANNEL WITH HYSTERESIS 10,000 LBS INS PER DEGREE TWIST W 9 15.5" 17" 17.5" 26" 26" 18.5" 30.5" 26.5" 57,000 LBS INS 42,750 LBS INS 28,500 LBS INS 14,250 LBS INS 7° 6° 5° 4° 3° 2° 1° 0° SET FRONT CROSS MEMBER FRONT AXLE DASH BODY BRACKET BODY BRACKET REAR SPRING ANCHORAGE REAR AXLE | ||