Item #395

Rating: 4 Stars

Category: Great Women

Title: Rotorcraft - Wikipedia, the free encyclopedia


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A helicopter is a rotorcraft whose rotors are driven by the engine(s) throughout the flight to allow the helicopter to take off vertically, hover, fly forwards, backwards and laterally, as well as to land vertically. Helicopters have several different configurations of one or more main rotors.<br /> Helicopters with a single shaft-driven ma