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 plotting yoke movement deflection against the pull on the front end of the car, detailing various component distortions.
| Identifier | ExFiles\Box 100\1\ scan0164 | |
| Date | 27th May 1938 guessed | |
| B III YOKE MOVEMENT DUE TO BRAKE TORQUE DEFLECTION INS. ·070 ·060 ·050 ·040 ·030 ·020 ·010 PULL ON FRONT END OF CAR lb. 0 200 400 600 800 1000 A YOKE BENDING B DISTORTION OF PIVOT PIN ETC E BACKWARD MOVEMENT OF TORQUE ARM C NEEDLE BEARING CLEARANCE D TWIST IN NECK | ||