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).
Comparison of secondary ignition voltage curves for the Wraith model, using both Rolls Royce and Delco-Remy distributors.

Identifier  ExFiles\Box 168\3\  img154
Date  5th April 1939
  
WRAITH IGNITION SECONDARY VOLTAGE CURVES
ROLLS ROYCE DISTRIBUTOR 2250 R.P.M
VOLTS
4000
2000
0
PLUG SPARKING
PLUG NOT SPARKING
VCH 7
Delco - Remy DISTRIBUTOR 2250 R.P.M
PLUG SPARKING
PLUG NOT SPARKING
S.G.L. 5.4.39
  
  


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