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alex catalan

How Do Helicopters Fly? - 0 views

www.minihelicopter.net/...index.htm

shared by alex catalan on 05 Oct 10 - Cached
    • alex catalan
      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.
    • alex catalan
      alex catalan on 07 Oct 10
       
      A helicopter can also fly sideways just as easily.
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