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 of a U.S.A. Bosch Dynamo, plotting ampere output against speed under hot and cold conditions.
Identifier | WestWitteringFiles\E\November1920\ Scan64 | |
Date | 19th November 1929 | |
AMPERE OUTPUT DYNAMO SPEED (R.P.M.) With Specified Performance U.S.A. Bosch. (COLD) U.S.A. Bosch. (HOT) U.S.A. Bosch Dynamo. Cold and fully hot output curves. with curve of specified hot performance of dynamo for R.R. Car. FIGURES ON CURVES REPRESENT OPERATING VOLTAGES U.S.A. Bosch. FIELD CURRENTS COLD HOT 525 540 610 RPM 12.4 13.6 13.6 VOLTS. Data points on curves: 14.6, 14.0, 14.85, 14.35, 13.6, 14.0, 14.35, 13.2, 14.1, 13.85, 13.35 AJM/19-11-29 E.F. C. 19. 11. 29 | ||