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How
Do Helicopters Fly?
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www.minihelicopter.net/...index.htm
shared by
alex catalan
on 05 Oct 10
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alex catalan
on 07 Oct 10
Helicopters can fly backwards, rotate in mid-air, and hover motionless in the air. Airplanes can not do this.
Helicopters can fly backwards, rotate in mid-air, and hover motionless in the air. Airplanes can not do this.
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alex catalan
on 07 Oct 10
A helicopter can also fly sideways just as easily.
A helicopter can also fly sideways just as easily.
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