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).
Results of chassis and body torsion tests for a Bentley B-56-BN with a steel body.
| Identifier | ExFiles\Box 90\5\ scan0087 | |
| Date | 23th September 1935 | |
| x264 HS{Lord Ernest Hives - Chair}/AFM.{Anthony F. Martindale}11/KW.23.9.35. Chassis & Body Torsion Tests Bentley B-56-BN{W.O. Bentley / Mr Barrington} (Steel Body). Applied Couple lbs/ins. Degrees Twist Front Cross Member to Rear Front Axle to Rear Dash to Rear Rear Axle to Rear Cross Member. One Piece Wings. Dash Solid. Doors Shut. 12,750 | 1°-30'R | 0°-40'R | 0°-40'R | 0°-20'R 25,500 | 3 - 30 | 2 - 50 | 1 - 40 | 0 - 30 38,250 | 5 - 0 | 3 - 20 | 2 - 0 | 0 - 40 One Piece Wings. Dash Solid. Doors Open. C & 12,750 | 1°-30'R | 1°-50'R | 0°-40'R | 0°-10'R 25,500 | 3 - 20 | 3 - 10 | 1 - 20 | 0 - 40 38,250 | 5 - 10 | 4 - 30 | 2 - 10 | 1 - 0 Front Wings Separate. Dash Rubber Insulated. Doors Shut. D 12,750 | 2°-0'R | 1°-20'R | 0°-30'R | 0°-10'R 25,500 | 3 - 50 | 3 - 0 | 1 - 10 | 0 - 20 38,250 | 5 - 20 | 3 - 50 | 1 - 30 | 0 - 40 Continued. | ||