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 comparing the performance of Lodge 640 single point and KLG FLB30X spark plugs.

Identifier  ExFiles\Box 162\1\  img045
Date  28th February 1935
  
COMPARISON TESTS OF LODGE 640 SINGLE POINT AND KLG. FLB30X PLUGS.
TESTS PERFORMED ON CHASSIS 38TY No. 6 CYL. BEING USED THROUGHOUT.
LODGE 640 S.P. CURVES SHOWN THUS _____
KLG FLB 30X -------
MAX. VOLTAGE ACROSS POINTS (K.V.)
12.0
10.0
8.0
6.0
4.0
2.0
0
PLUG GAP
.020
.025
.030
.035
.040
PICK - UP
SLOW RUNNING
HIGH SPEED
A34/G 28.2.35
  
  


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