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The Chinese Kite is the first mention of vertical flight.
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Leonardo da Vinci sketched the Aerial Screw. The Aerial Screw is the first ever designed vertical take off and landing device.
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A toy helicopter was presented at the French Academy of Science by Launoy and Bienvenu using two feathers as rotors.
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The principles that lead to the first successful helicopter were introduced by Sir George Cayley.
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The first man carrying helicopter was flown by Paul Cornu
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The Gyroplane hovered in the air two feet above the ground.
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A tethered helicopter was introduced by Istvan Petroczy and Theodore Von Karman.
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Juan de la Cierva’s autogiro paved way for the design of the rotary blades on the helicopter.
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The first successful helicopter was made by Focke Achgelis.
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The first practical helicopter was created by Igor Sikorsky.