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Aerodynes are ll
heavier-than-air flying tool deriving lift from
motion whose lift is obtained by means
of aerodynamic loads.
An aerodyne has lift only if it is dynamic: it draws it from the
movement.
airplanes, sailplanes or gliders, kites, autogyros and helicopters are aerodynes in
opposition to airships or dirigible of which lift,
said static, results from the use of
a gas lighter than the air. The aerodynes have surfaces known as lifting
surfaces which include:
(1) airfoil or aerofoil is a part or surface, such as a wing, propeller blade,
or rudder, whose shape influences control, direction,
thrust, lift, or propulsion; it is a surface designed
to produce lift from the movement of air over on
it; ideally, it should present the greatest amount
of lift with the least amount of drag.
(2) empennages, at the tail portion of an aircraft, made up of horizontal, vertical
or obliques surfaces which make it possible to
ensure the stability and the control of the flight dynamics on the 3 axis: pitch, roll and yaw.
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