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Types of Remote Controlled Helicopters

    Amelia Boucaut

    A quadcopter or quad-rotor helicopter is a kind of helicopter having four rotating rotors. It was developed in the 1950s, soon after the development of the popular and much more advanced single-rotor helicopter. The first of these four rotor machines was the Blackbird, which was designed by NASA. In its first flight, it reached speeds […] Read more

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