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).
Final recommendations for the valve and ignition timing of an aluminium head engine.

Identifier  ExFiles\Box 17\6\  Scan046
Date  14th June 1928
  
To BY.{R.W. Bailey - Chief Engineer} from Hs{Lord Ernest Hives - Chair}/Rn.{Mr Robinson} +7060
c. to MX.{John H Maddocks - Chief Proving Officer}
c. to EF.

Hs{Lord Ernest Hives - Chair}/Rn{Mr Robinson}5/LG14.6.28.

VALVE TIMING. X1770

Our final recommendations as regards the
timing of the aluminium head engine is :

Ignition fully advanced 15° B.T.D.C.

Hs{Lord Ernest Hives - Chair}/Rn.{Mr Robinson}
  
  


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