Comparison of the overall torsional strength of the S.S. Jaguar with the Phantom and Wraith models.
| Identifier | ExFiles\Box 126\5\ scan0051 | |
| Date | 11th April 1938 | |
| To By. {R.W. Bailey - Chief Engineer} from Rm {William Robotham - Chief Engineer} /Clapham. c. Da. {Bernard Day - Chassis Design} c. Da {Bernard Day - Chassis Design} /Ev. {Ivan Evernden - coachwork} 1070 Rm {William Robotham - Chief Engineer} /Clapham.1/MH. {M. Huckerby} 11.4.38. The overall torsional strength of the S.S.Jaguar (chassis and body) is 2900 lbs.ft./degree. This compares with 3480 for Phantom and 2040 for Wraith. Rm {William Robotham - Chief Engineer} /Clapham. | ||
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).