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 and graph detailing a torsion experiment on a spring.
| Identifier | WestWitteringFiles\J\March1923\ Scan27 | |
| Date | 15th March 1928 | |
| ARRANGEMENT OF SPRING FOR TORSION TEST LOAD APPLIED AT W. 1ft FROM SPRING CENTRE, TO PRODUCE TORQUE ANGLE θ MEASURED AS NEAR CENTRE OF SPRING AS POSSIBLE PULL APPLIED AT T TO REMOVE SPRING CAMBER TORSION EXPERIMENT 15/3/28 Y-Axis: TORQUE lbs. ft. X-Axis: DEFLECTION. (ANGLE θ) | ||