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 showing the characteristics of a long semi-centrifugal clutch versus motor RPM.
| Identifier | ExFiles\Box 129\1\ scan0044 | |
| Date | 1st April 1936 | |
| CHARACTERISTICS OF LONG SEMI-CENTRIFUGAL CLUTCH ADVERTISED IN S.A.E. JOURNAL, APRIL 1936 MOTOR R.P.M. EFFECTIVE LOAD ON PRESSURE PLATE X-AXIS: 0, 500, 1000, 1500, 2000, 2500, 3000, 3500, 4000, 4500, 5000 Y-AXIS: 0, 200, 400, 600, 800, 1000, 1200, 1400, 1600, 1800, 2000, 2200, 2400, 2600, 2800, 3000 1035 MODEL 10 CF CENTRIFUGAL FORCE DIAGRAM PH III TORQUE CURVE NORMAL SPRING LOAD INCREASE THRU CENTRIFUGAL FORCE | ||