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Leonardo da Vinci drew plans and pictures of human powered flight. These plans included an ornithoptor that attched to a pilots back and drove two large flaps and a simple helicopter. He also invented the parachute wich enables humans to descend from great heights.
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The brothers tested their hot air baloon through a 8km flight across Paris. They discovered that a baloon made of linen bags filled with fire heated air had enough to lift to carry two people.
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Sir George Cayley studied animal flight and designed a monoplane glider to carry humans.
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Most aviators at thsi time were concerned only with building flying machines and not learning how to fly them. Otto lilienthal of germany was the fierst heaveir then air pilot.
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The american Wright flyer made his first succesful power flight.
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Wallace R. Turnbull created the Variable-pitch propeller it adjusts the angle at which propeller blades cut through the air to provide safe and efficient propeller motion at all speeds.
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He invented the G-suit the G-suit protects pilots from blanking from high G-force.
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They created the Propeller de-icer it prevents ice buildup by placing heating wires. -
Chuck Yeager of the U.S.A broke the sound barrier By flying faster then the speed of sound in a rocket powered X-1 Plane. -
He created the Crash position indicator that contains a transmitter, antenna and delivery system and is attached to the outside of planes.
