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CloseIn 1489 the greatest polymath the world has ever known sketched a design for an“aerial screw" or helical rotor. Da Vinci's dream of mechanical flight was not only the earliest conception of a helicopter, but gave birth to the entire field of aeronautics. The world would have to wait until the early 20th Century before the first machines capable of lifting off the ground were invented, paving the way to today's helicopters—aircraft capable of vertical take-off and landing, hovering in the air, and forward, backward, and lateral flight.
Model size: 9.9*4.5*11.6 in (25.2*11.5*29.5 cm)
Package size: 7.4*6.7*1.4 in (18.7*17*3.5 cm)
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