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aircraft girl
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Aircraft Girl

A pure rocket is not usually regarded as an aerodyne, because it does not depend on the air for its lift (and can even fly into space); however, many aerodynamic lift vehicles have been powered or assisted by rocket motors. Rocket-powered missiles which obtain aerodynamic lift at very high speed due to airflow over their bodies, are a marginal case.
• Fixed-wing
Airplanes or aeroplanes are technically called fixed-wing aircraft.
The forerunner of the fixed-wing aircraft is the kite. Whereas a fixed-wing aircraft relies on its forward speed to create airflow over the wings, a kite is tethered to the ground and relies on the wind blowing over its wings to provide lift. Kites were the first kind of aircraft to fly, and were invented in China around 500 BC. Much aerodynamic research was done with kites before test aircraft, wind tunnels and computer modelling programs became available.

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Filename:231369.jpg
Album name:People & Humanity
Rating (1 votes):55555
Keywords:#aircraft #girl
Filesize:49 KiB
Date added:Jan 28, 2010
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