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 new and existing throttle governor cams based on angular movement and throttle opening.

Identifier  ExFiles\Box 66a\3\  scan0044
Date  13th January 1944
  
DIVISIONS ON CAM
X8140
ANGULAR MOVEMENT OF THROTTLE IN DEGREES
0 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40
THROTTLE OPENING IN INCHES
0 .020 .040 .060 .080 .100 .120 .140 .160 .180 .200 .220 .240 .260 .280 .300 .320 .340 .360 .380 .400
ANGULAR MOVEMENT OF GOVERNOR SHAFT IN DEG.
0 5 10 15 20 25 30 35 40 45
RATE OF ACCELN OF THROTTLE OPENING WITH NEW CAM
(ACCELN OF THROTTLE OPENING WITH CAM TO LEC. 1889)
ANGULAR MOVEMENT OF THROTTLE WITH NEW CAM
THROTTLE OPENING WITH NEW CAM
ANGULAR MOVEMENT OF THROTTLE AS PER LEC. 1889
THROTTLE OPENING AS PER LEC. 1889
DEG. PER DIV. PER DIV.
EAC THROTTLE GOVERNOR CAM
  
  


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