he gull is known to excel in sailing flight as opposed toflapping, and the coincidence above mentioned led us to believethat an important reason for this is that the front edge of itswing is not tangent to the direction of flight (as most aero-plane surfaces now are) but, on the contrary, is almost… … Air SfrecLni: cii>ou.f- fiooK sha-faeoC p/aMe: almost twenty years ago bj Laurence Hargravc, of Australia,inventor of the Hargrave box kite. It has, however, been ig-nored in so far as can be judged from the subsequent literatureand practice of aviation. A partial explanation of the prin-ciple…
Aeronautics
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.
