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).
The friction load test results for a Buick Clutch's spring driving plate.
| Identifier | ExFiles\Box 124\3\ scan0332 | |
| Date | 5th March 1935 | |
| To Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} Hs{Lord Ernest Hives - Chair}/GWH.{George W. Hancock - Head Chateauroux}8/KW.5.3.35. Buick Clutch. Friction Load of Spring Driving Plate. Driving Load - 1º 596 inch/lbs., 2º 1056 inch/lbs., 3º 1584 inch/lbs. Reverse Load - 1º 480 inch/lbs., 2º 792 inch/lbs., 3º 1224 inch/lbs. It becomes choc-a-bloc at approximately 3.25º. The load is even and there is no sign of sticking. Hs{Lord Ernest Hives - Chair}/GWH.{George W. Hancock - Head Chateauroux} [signature] | ||