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 and diagram showing the torsional stiffness of a Bentley III frame under an applied torque.
| Identifier | ExFiles\Box 99\2\ scan0070 | |
| Date | 8th June 1937 guessed | |
| BENTLEY III FRAME .104" THICK. GUSSETS AND CENTRE OF CROSS WELDED. DEGREES TWIST 0.6 0.4 0.2 0 APPLIED TORQUE 8700 LBS INS. 34.5" 83.5" FRONT WHEELS DASH REAR WHEELS SCALE 1" = 2' | ||