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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).
Modifications to Truffault shock absorbers on 7-CA to prevent fouling.

Identifier  ExFiles\Box 78\2\  scan0125
Date  20th November 1916
  
X.3461

To Hy.{Tom Haldenby - Plant Engineer} from By/RB.{R. Bowen}

By/RB{R. Bowen}2/P20.11.16

X.682 RE TRUFFAULT SHOCK ABSORBERS. ON 7-CA. X.3461

With reference to the fouling of the above Shock Absorbers on the Brake Brackets on 7-CA, I find that if we reduce the length of the lever to 7" and increase the length of the connecting rod to 7" between ball centres, at the same time adding a little more off set to the lever this will clear the brake drums quite easily.

I have had drawings made F.6464 of the new shaped lever and F.6465 of the new tube and instructed two of the tubes through the Order Office. The levers I take it, you will be able to fix yourself, as they should be the old ones changed to suit.

By/RB.{R. Bowen}
  
  


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