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Optimal angle for a Face Cam operating a Servo, debating a change from 45° to 55° for braking.


Identifier  ExFiles\Box 73\1\  scan0172
Date  27th May 1924
  
49910

Mem.
Mr. [Illegible]
Mr. Hivesth.
Mr.
Hs. {Lord Ernest Hives - Chair}

BY24/H. 27.5. 24.

The Face Cams operating the Servo mechanism still appear from one of Hs {Lord Ernest Hives - Chair} ' reports to be in doubt from the point of view as to what is the best angle to adopt.

The angle instructed originally was 45°. Hs. {Lord Ernest Hives - Chair} is inclined to think this gives too easy braking, and would try 55°.

I think we should not produce any of these parts at the moment, but await further information from Hs {Lord Ernest Hives - Chair} , either confirming the 45° or modifying the angle in question to 55°.

BY. {R.W. Bailey - Chief Engineer} By
  
  
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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