General aviation

General aviation

The science and practice of artificial flight which involves the design, development, production, operation of aircraft or heavier-than-air machines.

Industry: Aviation

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General aviation

A mechanical or electronic device which helps to stabilize the orientation of the model by sensing rotation, and moving the appropriate servo to compensate. This device can be used on any axis, but ...

Header Tank

Aviation; General aviation

This is a small fuel tank used in line between the main tank and the carburetor. The purpose of the header tank is to ensure that the fuel fed to the carb is free of bubbles, which can be caused by ...

Heading Hold

Aviation; General aviation

This describes a type of Gyro which senses rotation, and maintains direction. This is accomplished by sensing the rate of motion, and the time of motion, then compensating for the distance. While ...

Hit (or to be hit)

Aviation; General aviation

Sudden radio interference which causes your model to fly in an erratic manner. Most often caused by someone turning on a radio that is on your frequency, but can be caused by other radio sources ...

Horizontal Stabilizer

Aviation; General aviation

The horizontal tail surface at the back of the fuselage which provides aerodynamic pitch stability to the airplane.

Hot Start

Aviation; General aviation

An engine which has been running will tend to remain hot for a short time. During this period, it is possible to restart the engine by turning the crankshaft without the glow plug being plugged in to ...

Hover

Aviation; General aviation

The art of flying without moving. This can also be an illusion, depending on windspeed. For airplanes, this is a 3D manuever also known as a 'hanger'. The aircraft is pointing straight upward, ...