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).
Diagram illustrating axle torsional movement and its effect on brake pedal travel.
| Identifier | ExFiles\Box 15\2\ Scan010 | |
| Date | 23th December 1927 guessed | |
| METHOD OF CONDUCTING TEST PATHS DESCRIBED BY POINTS FIXED RELATIVE TO THE FRAME 1, 2, 3 ETC. IN RELATION TO THE AXLE WHEN THE LATTER WINDS UP ON THE SPRINGS DUE TO TORQUE APPLIED TO LOCKED ROAD-WHEELS FOOT BRAKE & HAND BRAKE ON STOP {HORN} & FOOT BRAKE MAX. MOVEMENT OF LEVER SCALE 1/1. FRONT OF CAR LOST LEVER MOVEMENT DUE TO AXLE WIND-UP ¢ OF AXLE 3.600 5.375 E.A.C.7 AXLE TORSIONAL MOVEMENT AS EFFECTING BRAKE PEDAL TRAVEL | ||