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 A.C. K.11 and A.C. 46 spark plugs with photographs and specifications.

Identifier  ExFiles\Box 162\2\  img011
Date  4th August 1950 guessed
  
A.C. K.11
REACH --- 0.375"
LENGTH OF BARREL --- 0.812"
LENGTH OF INSULATOR --- 1.937"
INSULATOR MATERIAL - SILLIMANITE
REMARKS: FOR TRIAL ON B 80.

A.C. 46
REACH --- 0.375"
LENGTH OF BARREL --- 0.812"
LENGTH OF INSULATOR --- 1.937"
INSULATOR MATERIAL - SILLIMANITE
REMARKS: FOR TRIAL ON B 80
  
  


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