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 showing the torsional rating and hysteresis curve for a shock damper connecting tube with American type rubber control pin bushes.
| Identifier | ExFiles\Box 151\2\ scan0311 | |
| Date | 8th October 1936 | |
| SHOCK DAMPER CONNECTING TUBE AMERICAN TYPE - RUBBER CONTROL PIN BUSHES TORSIONAL RATING TEST - TUBE REMOVED AFTER FAILURE ON BUMP CHASSIS. HYSTERESIS CURVE UP TO 40° MOVEMENT. TEST THEN REPEATED UP TO 85° MOVEMENT. (FOR PREVIOUS TESTS SEE REPORT HS {Lord Ernest Hives - Chair} /WB. {Mr Brazier / Mr Bell} 1/TH 3-9-36) Y-Axis: ANGULAR MOVEMENT - DEGREES X-Axis: TORQUE - LB FT. Graph Labels: LOADING, RELEASING | ||