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 variation in angular deflection versus torque for a Kestrel engine's reduction gear spring coupling.
| Identifier | ExFiles\Box 179\2\ img262 | |
| Date | 5th February 1932 | |
| KESTREL ENGINES CURVE 283'F' REDUCTION GEAR SPRING COUPLING - D.F.S. 1335 VARIATION IN ANGULAR DEFLECTION OF VARIOUS UNITS WITH INCREASING TORQUE, MEASURED IN DEGREES OF CRANKSHAFT MOVEMENT ORIGINAL SPRINGS E.36802 Y-AXIS: ANGULAR DEFLECTION - CRANKSHAFT DEGREES X-AXIS: TORQUE APPLIED TO PROP SHAFT LBS-FT PLOT LINES: - PROP SHAFT - SPRING DRIVE TO REDN GEAR - FRONT END OF C.SHAFT STAMP: G.P. 5.2.32 | ||