Blueprint graph showing the output curve of a 20 HP Dynamo.
| Identifier | ExFiles\Box 165\6\ img108 | |
| Date | 16th September 1927 | |
| 20 H.P. REPRESENTATIVE OUTPUT CURVE OF STANDARD 20 H.P. DYNAMO AT 80°C SPECIFIED CURVE OF OUTPUT REQUIREMENTS FOR 20 H.P. DYNAMO. AMPERE OUTPUT APPROX: OPERATING VOLTAGE DYNAMO R.P.M. CHASSIS M.P.H. 1/50 AXLE. 31.4" DIA: TYRES. Handwritten text: X 136/1 Regulator Set at 10.5 Amps Comparison of 20 H.P. Dynamo with Standard 4 Pole 7-0 Armature Ref's AC 38 16.9.27 | ||
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).