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 curve graph for a 40/50 HP Dynamo, plotting ampere output and operating voltage against dynamo RPM.
| Identifier | ExFiles\Box 68\4\ scan0022 | |
| Date | 18th October 1927 guessed | |
| 40/50 I.S.22 AMPERE OUTPUT OPERATING VOLTAGES SPECIFIED CURVE OF OUTPUT REQUIREMENTS FOR 40/50 H.P. DYNAMO REPRESENTATIVE OUTPUT CURVE OF STANDARD 40/50 H.P. DYNAMO AT 20°C REPRESENTATIVE OUTPUT CURVE OF STANDARD 40/50 H.P. DYNAMO AT 80°C DYNAMO R.P.M. CHASSIS M.P.H. WITH 15/52 AXLE AND 33-5" TYRE DIA: | ||