A powerplant using a hydraulically controlled constant-speed…
A powerplant using a hydraulically controlled constant-speed propeller is operating within the propeller’s constant-speed range at a fixed throttle setting. If the tension of the propeller governor control spring (speeder spring) is reduced by movement of the cockpit propeller control, the propeller blade angle will
Read DetailsDuring operational check of an aircraft using hydromatic ful…
During operational check of an aircraft using hydromatic full-feathering propellers, the following observations are made:The feather button, after being pushed, remains depressed until the feather cycle is complete, then opens.When unfeathering, it is necessary to manually hold the button down until unfeathering is accomplished.
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