The Wright Brothers and the invention of the Airplane

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            Flight Test Results 1900 Glider



1  Lilienthal Airfoil lift data is wrong by almost 50%

      Wind Speed of 25 mph required   (not 17 mph from tables)



2  Lilienthal Airfoil Pitch  data is all wrong

     Wing Airfoil is unstable .. The center of pressure moves the wrong way



3  Wright Design works...pitch & roll can be controlled



4  Flying Glider as a kite yields important data



5  Flying as a kite allows Wilbur to learn to fly


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