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Tests on a 25 HP clutch trunnion operating lever for deflection and bending.


Identifier  ExFiles\Box 5\6\  06-page165
Date  1st April 1932
  
COPY. Y 5480.

To E. {Mr Elliott - Chief Engineer} From Ha/Rm. {William Robotham - Chief Engineer}
c. to Du.

Ha/Rm. {William Robotham - Chief Engineer} 1/AD6.4.32.

Tests were carried out on the clutch trunnion operating lever of the 25 HP. to see if the operating pins were deflecting unduly. It will be recollected that with the increased spring required to prevent the clutch slipping on the Higher output 25 HP., a considerable amount of deflection took place in the linkage.

The attached prints show that the trunnion operating lever is bending but not twisting torsionally to a very great extent.

Ha/Rm. {William Robotham - Chief Engineer}

Att: Two prints.
  
  
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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