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 the performance of a new throttle governor cam against an existing one (L.E.C. 1889).
| Identifier | ExFiles\Box 66a\3\ scan0060 | |
| Date | 13th January 1924 | |
| DIVISIONS ON CAM 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 L.E.C. 1889) ANGULAR MOVEMENT OF THROTTLE WITH NEW CAM THROTTLE OPENING WITH NEW CAM ANGULAR MOVEMENT THROTTLE AS PER L.E.C. 1889 THROTTLE OPENING AS PER L.E.C. 1889 DEG. PER DIV. PER IN. 1.0 .8 .6 .4 .2 EAC THROTTLE GOVERNOR CAM | ||