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 curves for a 3-rate charge scheme.
| Identifier | ExFiles\Box 163\6\ img282 | |
| Date | 4th May 1933 | |
| 20/25 20/25 DYNAMO TO D.SCH: 529 CURVES FOR 3 RATE CHARGE SCHEME. I OUTPUT FOR SUMMER DAY RUNNING. II OUTPUT FOR TOWN OR WINTER DAY RUNNING AND RUNNING WITH S. & T. LAMPS ON ONLY. III OUTPUT WITH HEADLAMPS ON. COMMENCING WITH 101 CHASSIS IN X SERIES. SPEED R.P.M. 3200 3600 4000 4400 4800 5200 4 DIA: TYRES 40 45 50 55 60 65 70 STAMP: R.A.P. 4.5.33 | ||