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).
Torsion test results for a Packard Saloon with an all-steel body.
| Identifier | ExFiles\Box 8\10\ 10-page125 | |
| Date | 3rd June 1937 | |
| CHASSIS + BODY TORSION TESTS PACKARD SALOON - ALL STEEL BODY. TORQUE LBS. INS. FRONT OF CHASSIS FRONT AXLE FRONT TORSION BAR ANCHORAGE CRUCIFORM FRONT ANCHORAGE CENTRE OF CRUCIFORM REAR SPRING ANCHORAGE CRUCIFORM REAR ANCHORAGE REAR AXLE 16,812.5 | 0 - 30 | 0 - 25 | 0 - 15 | 0 - 10 | 0 - 10 | 0 - 05 | 0 - 05 | 0 33,625 | 1 - 25 | 0 - 55 | 0 - 40 | 0 - 30 | 0 - 25 | 0 - 15 | 0 - 10 | 0 - 05 50,437.5 | 2 - 05 | 1 - 30 | 1 - 0 | 0 - 40 | 0 - 30 | 0 - 20 | 0 - 10 | 0 - 05 67,250 | 2 - 55 | 2 - 05 | 1 - 25 | 1 - 0 | 0 - 45 | 0 - 25 | 0 - 20 | 0 - 15 84,062.5 | 3 - 35 | 2 - 25 | 1 - 50 | 1 - 15 | 0 - 55 | 0 - 30 | 0 - 25 | 0 - 20 100,875 | 4 - 20 | 3 - 0 | 2 - 0 | 1 - 40 | 1 - 0 | 0 - 35 | 0 - 30 | 0 - 25 117,687.5 | 4 - 40 | 3 - 20 | 2 - 10 | 1 - 45 | 1 - 10 | 0 - 40 | 0 - 30 | 0 - 25 134,500 | 5 - 35 | 4 - 0 | | 1 - 55 | 1 - 20 | 0 - 40 | 0 - 30 | 0 - 25 WITHOUT HYSTERESIS P.2. | ||