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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 from Cambridge Engineering Laboratory regarding research on the flow of air through poppet valves.

Identifier  ExFiles\Box 27\2\  Scan058
Date  24th June 1933
  
TELEPHONE No 1195. (2 LINES.)
Engineering Laboratory,
Cambridge.
S.W.Grylls Esq.,
Rolls-Royce Ltd.,
Derby.

Dear Grylls,

My Delage will have to last me for a good many more years unless you are prepared to give me a Super-Bentley. Concerning research on the flow of air through poppet valves this strikes me as quite a profitable field. At present I do not know exactly the number or ambitions of the research students who may be working here next year, but I will bear your suggestion in mind and if I have a suitable man available I will certainly take up your ideas and get into communication with you on the subject.

I cannot call to remembrance any work which has been done on poppet valve efficiency.

Yours sincerely,
C.E. Inglis
  
  


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