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).
Instructing a change in exhaust valve diameter for a Bentley competition cylinder head.

Identifier  ExFiles\Box 86\1\  scan0112
Date  2nd January 1935
  
4219
To RHC.{R. H. Coverley - Production Engineer}
Hs{Lord Ernest Hives - Chair}/CTS.{C. Trot Salt - Carburation}23/KW.2.1.35.
Competition Cyl. Head (Bentley).
With reference to our memo. Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer}2/KW.4.12.34.
To bring this head into line with our present experiments, will you please fit 1.300 dia. exhaust valves instead of 1.350 dia. as originally instructed.
Hs{Lord Ernest Hives - Chair}/C.T. Salt.
  
  


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