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 of dynamo output speed curves for a PII chassis, showing the effect of series winding excited by headlamp current.
| Identifier | ExFiles\Box 61b\1\ scan0238 | |
| Date | 2nd September 1931 | |
| AMPERE OUTPUT AT CONSTANT OPERATING VOLTAGE OF 14.0 OUTPUT SPEED CURVES. SHOWING EFFECT ON STANDARD MACHINE OF SERIES WINDING EXCITED BY HEADLAMP CURRENT. A.{Mr Adams} WITHOUT SERIES WINDING. B. WITH SERIES WINDING SUPPLIED THROUGH 36 WATT LAMPS C. WITH SERIES WINDING SUPPLIED THROUGH 60 WATT LAMPS 58 C° SETTING DYNAMO R.P.M. PII CHASSIS M.P.H. WITH 11/41 AXLE & 33.0" TYRE DIA: 40/50 C.A.P 2-9-31 | ||