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).
Chart of estimated turns versus stiffness for various ring governor springs.

Identifier  ExFiles\Box 61b\4\  scan0006
Date  6th January 1921
  
H.{Arthur M. Hanbury - Head Complaints} W. Webb, Sta. J, New York. N. Y.
-Negative 2.
ESTIMATED TURNS
FOR
RING GOVERNOR SPRINGS
American Bosch Magneto Corp
Research Laboratory
File ............ JAN. 6. 1921
EFFECTIVE FREE TURNS
STIFFNESS IN m.m.-oz. PER DEGREE
SPRING Nos.
CURVE LABELS:
0.014"
0.015"
0.016"
Approx. 0.017"
0.018"
0.019"
0.020"
0.021"
0.022"
0.023"
0.024"
0.025"
0.026"
0.027"
Approx. 0.028"
SPRING Nos. ON GRAPH: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14
  
  


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