a device that keeps the propeller speed constant irrespective of the forward speed and power
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Valdkond ICAO lisade põhjal loodud klassifikaatori järgi: Õhusõidukid
The governor is usually centrifugal and keeps the shuttle valve oscillating about the null-position feeding oil to change the propeller pitch and thus increase or decrease the RPM.
The fuel control and the propeller governor together establish the correct combination of rpm, fuel flow, and propeller blade angle to create sufficient propeller thrust to provide the desired power.