The brothers ... WRIGHT TO OCTAVE CHANUTE DAYTON, June 18, 1903 The papers on screws [propellers], by various writers, do not seem to me of very much value. The chapter in the French book of ...

This principle, which the Wright brothers called "wing warping," was a revolutionary break-through. In 1900 they built a full-size, piloted version of a box kite and tested its control mechanisms ...