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).
Graph of output speed curves comparing a standard and an improved 48 coil machine.

Identifier  ExFiles\Box 60\4\  Scan060
Date  1st December 1930
  
40/50
AMPERE OUTPUT
AT CONSTANT OPERATING VOLTAGE 14.0
OUTPUT SPEED CURVES
1. 48 COIL MACHINE AS FITTED TO L.H. CHASSIS (65C° SETTING)
2. IMPROVED 48 COIL MACHINE (58C° SETTING)
DYNAMO R.P.M.
PII CHASSIS M.P.H. WITH 11/41 AXLE & 33.0" TYRE DIA:
1.12.30
  
  


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