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).
Performance graph comparing the ampere output of various dynamos at different speeds and temperatures.
Identifier | ExFiles\Box 36\4\ scan 163 | |
Date | 11th November 1938 | |
X3014h AMPERE OUTPUT DYNAMO SPEED (R.P.M.) LUCAS E 575 (HOT) AVERAGE OF THREE SMITH 2D (HOT) (AVERAGE OF THREE) SPECIFIED PERFORMANCE (HOT) ROTAX COLD ROTAX FULLY HOT ROTAX FIELD CURRENTS ROTAX AT12 dynamo cold and fully hot output curves with curve of specified hot performance of dynamo for RR car, also average performance curves (hot) of LUCAS E575 and Smith 2D dynamos. 340 440 S.A. R.P.M. 12.4 13.1 13.5 VOLTS 770 R.P.M 13.5 VOLTS 7 CURVES & CURVES READ FROM CHART No M112 E.J.B. Data points on curves: 14.6, 14.0, 11.5, 14.85, 14.3, 14.6, 13.6, 14.35, 14.6, 14.15, 14.55, 14.1, 13.2, 13.4, 14.1 | ||