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).
Schematic diagram of a rig for conducting torsional rate tests on clutch discs.
| Identifier | ExFiles\Box 83\3\ scan0120 | |
| Date | 2nd December 1940 | |
| RIG FOR TORSIONAL RATE TESTS ON CLUTCH DISCS. LOAD APPLIED HERE PEG FIXED TO HUB INDICATOR CLOCK FIXED TO ARM THIS WEIGHT ENABLES TEST TO BE MADE ON DRIVE & OVERDRIVE THIS LEVER FIXED TO SHAFT SUPPORTED BY TWO BALL BEARINGS. THIS SHAFT HELD STATIONARY RH{R. Hollingworth}/GB | ||