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Preference for hydraulic transmission with direct braking over a servo system due to complexity.


Identifier  ExFiles\Box 13\1\  01-page34
Date  12th December 1932
  
X 7360

HS. {Lord Ernest Hives - Chair} FROM R. {Sir Henry Royce}
R5/M12.12.32.
C. to SG. {Arthur F. Sidgreaves - MD} WOR. {Arthur Wormald - General Works Manager} BY. {R.W. Bailey - Chief Engineer} DA. {Bernard Day - Chassis Design} BRAKES.
X. 7360.
X. 5360.

It seems to me that we must not expect to use hydraulic transmission, and a servo. If we use the former we must be contented with direct braking, or the whole thing probably gets too complicated, but with the hydraulic transmission we should get a better effect from the direct braking because a given leverage would be more effective, and it permits of an increased leverage as we can have automatic adjustment.

For experiments later.

R. {Sir Henry Royce}
  
  
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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