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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).
Continued note on servo lining wear, attributing excessive wear to lack of cooling facilities.

Identifier  ExFiles\Box 30\6\  Scan159
Date  18th November 1924 guessed
  
contd:- -2-

From these figures it is apparent that were the
servo operating under the same conditions as the rear brakes,
it should wear no more rapidly. Our tests on the brake rig
have shewn, however, that once the lining has been thoroughly
roasted it will wear away much more rapidly than it would
with unburnt Ferodo.

As the linings undoubtedly do get roasted on the road, we
attribute the excessive wear on the servo to lack of cooling
facilities.

Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer}
  
  


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