Rolls-Royce Archives
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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).
Calculations comparing the unit pressure on RR servo shoes with the Hispano servo.

Identifier  ExFiles\Box 73\1\  scan0101
Date  1st February 1924 guessed
  
contd:- -2-

Calculations show that the unit pressure on
the RR. servo shoes is approximately 1/5 times the unit
pressure on the Hispano servo.

Hs.{Lord Ernest Hives - Chair}
  
  


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