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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).
Modifications to a carburettor for handling fuel mixtures and cold weather starting.

Identifier  ExFiles\Box 31\3\  Scan057
Date  10th October 1921 guessed
  
contd.
-2-
precautions necessary to burn a fuel which is about equal to a mixture of gasoline with 20% kerosene.
By the next mail we shall send you the modifications to the existing float to form the small carburetter to facilitate starting with poor fuel in cold weather. It is assumed that to get reasonable starting, fuel supplied must have at least half of its volum highly volatile. We intend that this small jet shall give a mixture up to about twice the ordinary necessary strength to obtain an explosion, so that it will allow for a mixed fuel of 50% of which may be considered truly volatile.

R.{Sir Henry Royce}

R.R. 253A.(100)S.H.79S. 10-18-200 G.{Mr Griffiths - Chief Accountant / Mr Gnapp} 2947
  
  


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