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 RPM vs. Ampere Output under various test conditions.
| Identifier | ExFiles\Box 163\6\ img092 | |
| Date | 4th December 1930 guessed | |
| AMPERE OUTPUT 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17 APPROX. OPERATING VOLTAGE 14.0, 14.4, 14.8, 15.2, 15.55, 15.9, 16.2, 16.5, 16.8, 17.05, 17.3, 17.5, 17.7, 17.9, 18.1, 18.3, 18.5, 18.7 DYNAMO R.P.M. 0, 200, 400, 600, 800, 1000, 1200, 1400, 1600, 1800, 2000, 2200, 2400, 2600 CHASSIS M.P.H. 0, 5, 10, 15, 20, 25, 30, 35 OUTPUT 48 COIL. BRUSH S I. AT SCHEDULE II AT A CONSTANT III AS I. BUT W 26 S.W.G E.{Mr Elliott - Chief Engineer} CHASSIS M.P.H. 11/50 AXLE. 31.4 DIA. TY | ||