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Difficulties in correctly setting fully automatic ignition timing.


Identifier  ExFiles\Box 163\7\  img271
Date  31th January 1935
  
x6013
E {Mr Elliott - Chief Engineer} /TSN.1/MN.31/1/35.
Copy to Hs {Lord Ernest Hives - Chair} /Rm. {William Robotham - Chief Engineer}

FULLY AUTOMATIC IGNITION TIMING

Further to E {Mr Elliott - Chief Engineer} /TSN.1/MN.29.1.35, I was talking yesterday to a man who has a car with fully automatic ignition control and no hand control, and he said that very often when he got his car back from a garage or even from the makers it was down on performance, due to incorrect ignition timing, and that without a lever it was impossible to tell whether the ignition was timed correctly, and furthermore it took half a day in trial and error to get it right.

Evidently even the makers themselves had difficulty in telling whether the timing was correct or not.

E {Mr Elliott - Chief Engineer} /TSN.
  
  
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).


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