Propeller Governor The propeller governor senses changes in rpm and hydraulically changes propeller blade angle to compensate for the changes in rpm. Constant propeller rpm is thereby maintained at the selected rpm setting.
Torquemeter The torquemeter system indicates the shaft output torque. Instrument readout is in percent.
GRAPH AND TABULAR TERMINOLOGY 图形和制表术语
Accelerate-Go The distance to accelerate to Rotation Speed, experience an engine failure, continue accelerating to lift¬off, then climb and accelerate in order to achieve 35 ft speed at 35 feet above the runway.
Accelerate-Stop The distance to accelerate to Decision Speed and stop.
AGL Above Ground Level.
Best Angle-of-Climb The Best Angle-of-Climb delivers the greatest gain of altitude in the shortest possible horizontal distance with gear and flaps up.
Best Rate-of-Climb The Best Rate-of-Climb delivers the greatest gain of altitude in the shortest possible time with gear and flaps up.
Clearway A Clearway is an area beyond the airport runway not less
than 500 feet (152.4 meters) wide, centrally located about the extended centerline of the runway, and under the control of the airport authorities. The Clearway is expressed in terms of a clear plane, extending from the end of the runway with an upward slope not exceeding 1.25 percent, above which no object nor any terrain protrudes. However, threshold lights may protrude above the plane if their height above the end of the runway is 26 inches (66 centimeters) or less, and if they are located to each side of the runway.
Climb Gradient The ratio of change in height during a portion of a climb, to the horizontal distance traversed in the same time interval.
Demonstrated Crosswind The demonstrated crosswind component for which adequate control of the airplane during takeoff and landing was actually demonstrated during certification tests. The value shown is not limiting.
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