Rolls-Royce Archives
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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).
Blueprint graph of starter motor performance, plotting Voltage, Torque, and Flux against Amperes.

Identifier  ExFiles\Box 64\1\  scan0309
Date  8th November 1928 guessed
  
Title: STARTER MOTOR BRAKE EFFICIENCY (The word 'BRAKE' is struck through)
X-Axis Label: AMPERES
Y-Axis Labels: VOLTAGE, TORQUE (POUND - INCHES), FLUX PER POLE (KILOLINES)
Curve Labels: VOLTS, K1 and K2 Torque, K1 and K2 FLUX
Voltage Scale: 0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20
Torque Scale: 0, 10, 20, 30, 40, 50, 60, 70, 80, 90, 100
Flux per Pole Scale: 0, 50, 100, 150, 200, 250, 300, 350, 400, 450, 500
Amperes Scale: 0, 20, 40, 60, 80, 100, 120, 140, 160, 180, 200, 220
  
  


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