Diagram comparing standard and modified leverage for a 25 HP clutch operation.
| Identifier | ExFiles\Box 5\6\ 06-page159 | |
| Date | 1st January 1932 | |
| 25 H.P. CLUTCH OPERATION MODIFIED LEVERAGE CLUTCH FINGERS AND LEVERS 'A' AND 'B' ALSO STIFFENED UP IN SECTION 'A' 2.3" 'B' 3.75" 1.250 DIA OF TRUNNION SHAFT - ℄ TILTED BACK 1.250 STANDARD LEVERAGE 2.750" 3.125" OUTSIDE DIA. OF TRUNNION SHAFT 1.00" | ||
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).