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Letter to The Light Production Co. Ltd. requesting a specification for 3 1/4' Bore Bentley Pistons.


Identifier  ExFiles\Box 87\2\  scan0087
Date  5th November 1935
  
X236
Exptl. Dept.
Hs {Lord Ernest Hives - Chair} /Gry. {Shadwell Grylls} 14/KW.
5th November, 1935.

The Light Production Co.Ltd.,
60/66, Rochester Row,
Westminster,
London, S.W.1.

Dear Sirs,

3 1/4" Bore Bentley Pistons.

We shall be glad if you will send us a Specification Number of the second type of these pistons with which you supplied us; that is to say, with the strengthened gudgeon pin boss but the original crown, and clearances as follow -

At the top of the skirt - .003"
At the bottom of the skirt - .0025"
Saw cutting exactly as on the present 3 1/4" bore piston.

The object of this is that when we order pistons to this specification we shall know we are getting the correct ones.

Yours faithfully,

FOR ROLLS-ROYCE LIMITED.
  
  
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).


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