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 comparing the ampere output of 40/50 Standard and Bosch dynamos against dynamo RPM.
| Identifier | ExFiles\Box 60\4\ Scan105 | |
| Date | 19th November 1931 | |
| AMPERE OUTPUT. BOSCH NIGHT OUTPUT. R.R. DAY OUTPUT. R.R. NIGHT OUTPUT. BOSCH DAY OUTPUT. OUTPUT CURVES OF 40/50 STANDARD AND BOSCH DYNAMOS NIGHT OUTPUT AT 14.0 VOLTS. DAY OUTPUT AT SCHEDULE VOLTAGES. TAKEN AT 80°C. DYNAMO R.P.M. S.S. CHASSIS M.P.H. WITH 11/41 AXLE & 33.0" TYRE DIA: C.A.P 19-11-31 | ||