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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).
Request to manufacture and fit a new type of plunger for Vulture Automatic Tappets.

Identifier  ExFiles\Box 123\3\  scan0124
Date  5th February 1934
  
To RHC.{R. H. Coverley - Production Engineer}

X 4704

Hs{Lord Ernest Hives - Chair}/Std.21/KW.5.2.34.

Vulture Automatic Tappets.

We wish to try a different type of plunger valve and a different method of feeding oil to these tappets.

Will you please have an intermediate plunger casing (outer) made to Hs.{Lord Ernest Hives - Chair}1296, and have this fitted with two plungers to Hs.{Lord Ernest Hives - Chair}1298.

We require .001 diametral clearance on each of these plungers.

Attached are necessary Hs.{Lord Ernest Hives - Chair} drawings.

These parts are required as soon as possible.

Hs{Lord Ernest Hives - Chair}/C.S. Steadman.
  
  


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