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 graph showing the effect of brush position on the output of a Smith Type A Dynamo.
Identifier | ExFiles\Box 3\5\ 05-page251 | |
Date | 11th June 1920 | |
OUTPUT Amperes BRUSHES FULLY FORWARD 15.40 BRUSHES NORMAL 15.40 VOLTS BRUSHES FULLY BACK C=14.4 VOLTS EFFECT OF VARIATION OF BRUSH POSITION ON OUTPUT OF SMITH TYPE A DYNAMO DYNAMO SPEED (R.P.M.) 590 R.P.M 15.6 VOLTS 15.0 14.5 14.0 | ||