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 plotting torsional deflection against torque for a 10' clutch disc.
| Identifier | ExFiles\Box 83\3\ scan0121 | |
| Date | 7th January 1940 | |
| TORSIONAL DEFLECTION TEST ON 10" CLUTCH DISC. Y-AXIS: TORQUE LB. FT. DRIVE OVERDRIVE X-AXIS: DEFLECTION DEGREES. FRICTION 10 LB. FT. CLUTCH DISC FROM L.H. CAR. THIS DISC RATTLED WHEN ABOVE CAR WAS FITTED WITH ITS OWN FULLY FLOATING AXLE. THERE WAS NO RATTLE WHEN A SEMI FLOATING AXLE WAS FITTED. T.H. on 17.7.40. P.C.B. 7.1.40 | ||