Aviation

Aviation

Dealing with vehicles or machines used in flight or propulsion through the air.

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Aviation > Airplane flying

force (F)

Aviation; Airplane flying

The energy applied to an object that attempts to cause the object to change its direction, speed, or motion. In aerodynamics, it is expressed as F, T (thrust), L (lift), W ...

form drag

Aviation; Airplane flying

The part of parasite drag on a body resulting from the integrated effect of the static pressure acting normal to its surface resolved in the drag direction.

forward slip

Aviation; Airplane flying

A slip in which the airplane’s direction of motion continues the same as before the slip was begun. In a forward slip, the airplane’s longitudinal axis is at an angle to its ...

free power turbine engine

Aviation; Airplane flying

A turboprop engine where the gas producer spool is on a separate shaft from the output shaft. The free power turbine spins independently of the gas producer and drives the output ...

friction drag

Aviation; Airplane flying

The part of parasitic drag on a body resulting from viscous shearing stresses over its wetted surface.

frise-type aileron

Aviation; Airplane flying

Aileron having the nose portion projecting ahead of the hinge line. When the trailing edge of the aileron moves up, the nose projects below the wing’s lower surface and produces ...

fuel control unit

Aviation; Airplane flying

The fuel-metering device used on a turbine engine that meters the proper quantity of fuel to be fed into the burners of the engine. It integrates the parameters of inlet air ...