The Wright Brothers and the invention of the Airplane



            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