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They started building the first prototipes for a plane with various types of wings
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They moved to Kitty Hawk, North Carolina, because it had regular breezes and a soft sandy landing surface
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They began to test prototipes of wings on wing tunnels, they tested 38 types of wings, and descoverd the most efficient wing.
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They made a motor and the propellers.
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They finally flew the first engine powered plane, going at 43 km/h