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 recommendation for ignition timing on the aluminium head engine.

Identifier  ExFiles\Box 33\4\  Scan115
Date  14th June 1928
  
X.1770
To BY.{R.W. Bailey - Chief Engineer} from Hs{Lord Ernest Hives - Chair}/Rn.{Mr Robinson}
c. to MX.{John H Maddocks - Chief Proving Officer}
c. to EP.{G. Eric Platford - Chief Quality Engineer}
Hs{Lord Ernest Hives - Chair}/Rn{Mr Robinson}5/LG14.6.28.
VALVE TIMING. X7050
Our final recommendations as regards the
timing of the aluminium head engine is :
Ignition fully advanced 15º B.T.D.C.
Hs{Lord Ernest Hives - Chair}/Rn.{Mr Robinson}
  
  


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