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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).
Replacement and modification of the Peregrine II Camshaft.

Identifier  ExFiles\Box 1\10\  B001_X106 TO X 110-page046
Date  22th July 1932
  
To: Technical
c: Hs{Lord Ernest Hives - Chair}/Rm{William Robotham - Chief Engineer}:
Re Peregrine II - Camshaft - Section 5090:

X 107.

BY/CS5/E:22:7:32

Please receive herewith marked up blue print :-
E:100543: Camshaft, which replaces E:100111

Will you please instruct as required, together with remainder of parts to LOP: E:100112:

The above is in accordance with memo'
BY16/W:21:7:32, for Camshaft using Inlet Cam Form E:100361:
for both inlet and exhaust, also the exhaust leading the
inlet by 106°, and reduced length of the toe of the cam
form by increasing the diameter of the base circle of the
cam form on the Camshaft by .012".

The timing for above Camshaft with .020 tappet
clearance is given on memo' BY16/W:21:7:32:

This completes instructions for above
experiment:

BY/CS:
  
  


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