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 open circuit voltage curves for a Lucas E.575 dynamo with separate excitation.

Identifier  WestWitteringFiles\C\May1919\  Scan52
Date  5th May 1919
  
LUCAS E.575. DYNAMO
OPEN CIRCUIT VOLTAGE CURVES
SEPARATE EXCITATION
A
VOLTS
70
60
50
40
30
20
10
0
FIELD AMPERES
0
.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
MAIN VOLTAGE 2500 R.P.M.
VOLTAGE BETWEEN +VE AND CONTROL BRUSHES - 2500 R.P.M.
MAIN VOLTAGE 1500 R.P.M.
VOLTAGE BETWEEN +VE AND CONTROL BRUSHES - 1500 RPM
E7C
5/5/19
  
  


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