The year 2001 1853 George Cayley, a British engineer is the first person that the wing imitate birds not working. He created the glider up in later in the year. 1891-96 Otto Lilienthal glider, the German tried to develop a model of the Cayley. He used the wood type willow a project to capture the canvas. And the use of high mound is a LAN in gliding flight of Otto. Experimental a thousand times, but then he must จบชี life into the experiment last time. When the wind gusts to canvas extremely subtle lack finally.
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