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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).
Letter requesting advice on how to silence the induction roar on a 'Minx' car after a carburetter change.

Identifier  ExFiles\Box 27\2\  Scan032
Date  19th April 1933
  
Y 1775

19th April 1933.

Dear Rm{William Robotham - Chief Engineer},

I understand that you are a "Minx" owner and are an authority on silencers, and I am wondering whether you would be so good as to let me know if you consider I can do anything to silence the induction roar on my "Minx".

I substituted the Solex carburetter for a R.A.G. which had little effect upon the induction roar, but a great effect upon the performance of the car.

I do not want you to go to a lot of trouble over this, but if you would be so kind as to make a suggestion to get over the trouble mentioned above, I should feel greatly obliged.

Bkl.
npe
  
  


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