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).
Ricardo's latest paper on petrol engine development and its views on compression ratio and harshness.

Identifier  ExFiles\Box 19\7\  Scan096
Date  23th February 1927
  
S/W.
Hs.{Lord Ernest Hives - Chair}
K790
CWB4/GM/23-2-27.

Would you please send on to me the large envelope with papers which I left on your table last night.

I was much interested in certain points of Ricardo's latest paper on petrol engine development, which he is reading before the I.A.E. in March. In the middle of page 8 he gives some very definite views on the question of compression ratio and its effect on harshness or roughness. Does your experience confirm his views on this matter?

CWB.
  
  


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