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).
Performance data graphs for an E.A.C. throttle governor.
| Identifier | WestWitteringFiles\M\2April1925-June1925\ Scan17 | |
| Date | 1st April 1925 guessed | |
| E.A.C. THROTTLE GOVERNOR DATA GOVERNOR PULLS TAKEN AT THE END OF LEVERS E 72643 & E 1018 DOTTED LINES EXTREMES OF ANGULAR MOVEMENT OF GOVERNOR WEIGHTS LBS PULL AT LEVER EXTREMITY ENGINE R.P.M. MEAN GOVERNOR CURVE EAC MEAN GOVERNOR CURVE 40/50 ENGINE RUNNING ENGINE STATIONARY LIGHT PULL OFF SPRING FITTED TORQUE READING ON SPRING BALANCE LB INS CLOSE OPEN NO LOAD WHATEVER LIGHT LOAD TO PREVENT ENGINE RACING INCREASE IN TORQUE REQUIRED TO OPEN THROTTLE DUE TO UNBALANCED SUCTION FORCES 1 INS LB DEGREES THROTTLE SPINDLE ROTATION METHOD OF CONDUCTING TEST | ||