World's First Helicopter - Prehistoric

Sun, 19 Jan 2020 12:08:57 +0000

World's First Helicopter - Prehistoric.

A helicopter is a type of rotorcraft in which lift and thrust are supplied by rotors. This allows the helicopter to take off and land vertically, to hover, and to fly forward, backward, and laterally. These attributes allow helicopters to be used in congested or isolated areas where fixed-wing aircraft and many forms of VTOL (vertical takeoff and landing) aircraft cannot perform.

Read More: https://en.wikipedia.org/wiki/Helicopter

Test Nature Beautiful short video 720p HD

Wed, 01 May 2019 07:56:04 +0000

Small length, small size,Big quality,Big resolution.

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World's First Helicopter - Prehistoric

Test Nature Beautiful short video 720p HD