A helicopter is a type of aircraft that has rotary wings. The engine
causes the long slender wings, called rotors, at the top of the
helicopter to rotate, providing lift and allowing the helicopter to fly.
Compared to aircraft with fixed wings, helicopters are slow and get
poor mileage so they don't fly long continuous distances. But they can
take off and land in narrow places because they have the unique ability
to move up and down vertically, as well as fly in reverse, sideways and
hover. For these reasons, helicopters have been put to use in many ways,
such as for transporting cargo, conducting rescue operations, and for
industrial aviation. This paper-craft helicopter is a standard
single-rotor type.
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Helicopter 01
Helicopter 02
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