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 showing the friction effect in a W.W. slow speed servo.

Identifier  ExFiles\Box 73\1\  scan0138
Date  7th April 1924 guessed
  
CURVES SHOWING FRICTION EFFECT IN W.W. SLOW SPEED SERVO.
TORQUE OUTPUT lbs. INS.
2500.
2000
1500
1000
500
0
TORQUE INPUT. lbs INS.
0
200
400
600
800
TOTAL TORQUE OUTPUT.
DECREASING LOAD
INCREASING LOAD
SERVO TORQUE OUTPUT.
DECREASING LOAD
INCREASING LOAD
  
  


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