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 test graph of Lodge 641 three-point and KLG FLB 30X spark plugs.

Identifier  ExFiles\Box 162\2\  img003
Date  3rd June 1941
  
COMPARISON TEST OF LODGE 641 THREE POINT AND KLG FLB 30X PLUGS.
TESTS PERFORMED ON CHASSIS 3 B.W. NO. 6 CYL. BEING USED THROUGHOUT.
LODGE 641 T.P. CURVES SHOWN THUS.
KLG FLB 30X.
PICK-UP.
SLOW RUNNING.
HIGH SPEED.
MAX. VOLTAGE ACROSS POINTS (K.V.).
PLUG GAP.
Y-axis values: 12.0, 10.0, 8.0, 6.0, 4.0, 2.0, 0.
X-axis values: .020, .025, .030, .035, .040.
  
  


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