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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).
Instruction to dismantle a cylinder head and reduce exhaust valve guides for engine 25-EX.

Identifier  ExFiles\Box 169\1\  img219
Date  12th October 1932
  
84663.

RHC.{R. H. Coverley - Production Engineer} from Hs{Lord Ernest Hives - Chair}/GWH.{George W. Hancock - Head Chateauroux}

Hs{Lord Ernest Hives - Chair}/GWH.{George W. Hancock - Head Chateauroux}1/KT.12.10.32.

25-EX.

To confirm verbal instructions.

Please dismantle cylinder head on 25-EX (Engine Unit P.II.21) and reduce exhaust valve guides .275" in length to reduce tendency of guides burning and collapsing.

Hs{Lord Ernest Hives - Chair}/GWH.{George W. Hancock - Head Chateauroux}
  
  


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