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).
Position of sparking plugs for cars intended for the American market.

Identifier  ExFiles\Box 33\3\  Scan145
Date  6th July 1921
  
X.1812. h
Extract from Hs{Lord Ernest Hives - Chair}7/LG6.7.21.

RE CARS FOR AMERICA. X.3719

Item 10. Position of sparking plugs.

We do not see that we can do much good in carrying out further tests on the position of sparking plugs. The advantages and disadvantages of the different positions of the plugs is well-known. We consider that as regards the position of plugs, this is not an alteration in design but what we would call an alteration in to the adjustment of them which must be left in the hands of the people at Springfield

Hs.{Lord Ernest Hives - Chair}
  
  


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