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 detailing chassis and body torsion tests for a Packard chassis.
| Identifier | ExFiles\Box 8\10\ 10-page144 | |
| Date | 8th June 1937 | |
| CHASSIS & BODY TORSION TESTS. PACKARD CHASSIS. WITH FRONT WINGS. WITHOUT HYSTERESIS. 9,000 LBS-INS. PER DEGREE TWIST. P 4 X-Axis Dimensions: 14", 18.125", 12.5", 31.5", 25.125", 17.375", 18.75", 29.375" Y-Axis Labels: 50,437.5 LBS-INS. 33,625 LBS-INS. 16,812.5 LBS-INS. X-Axis Labels: FRONT OF CHASSIS, FRONT AXLE, FRONT TORSION BAR ANCHORAGE, CRUCIFORM FRONT END, CRUCIFORM CENTRE, REAR SPRING ANCHORAGE, CRUCIFORM REAR END, REAR AXLE. | ||