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 of chassis and body torsion test results for a Packard chassis with front wings.
| Identifier | ExFiles\Box 99\2\ scan0069 | |
| Date | 8th June 1937 | |
| CHASSIS & BODY TORSION TESTS. PACKARD CHASSIS. WITH FRONT WINGS. WITHOUT HYSTERESIS 9,000 LBS.INS. PER DEGREE TWIST 8th JUNE 1937. P 4 14" 18.125" 12.5" 31.5" 25.125" 17.375" 18.75" 29.375" 6° 50,437.5 LBS.INS. 5° 4° 33,625 LBS.INS. 3° 16,812.5 LBS.INS. 2° 1° FRONT OF CHASSIS FRONT AXLE FRONT TORSION BAR ANCHORAGE CRUCIFORM FRONT END CRUCIFORM CENTRE REAR SPRING ANCHORAGE CRUCIFORM REAR END REAR AXLE | ||