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).
Graph comparing friction in different types of cantilever springs under varying loads.

Identifier  WestWitteringFiles\E\November1920\  Scan39
Date  5th November 1920
  
FRICTION IN CANTILEVER SPRINGS

① THICK LEAF TYPE 6 LEAVES GREASED
② " " " " RUSTY
③ THIN LEAF TYPE II LEAVES GREASED
④ " " " " RUSTY

BOTH TYPES OF SPRING ARE THE SAME STRENGTH

FRICTION IN LBS
250, 225, 200, 175, 150, 125, 100, 75, 50, 25

LOAD IN LBS MEASURED AT END OF SPRING
200, 400, 600, 800, 1000, 1200, 1400, 1600, 1800, 2000

5/11/20
E&A
  
  


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