http://www.paperplane.org/Aerodynamics/paero.htm (Thanks to David Glover)

I developed the world record paper airplane when I was about 13
years old, and I'm still trying to figure out exactly how it works. I was trying
to "invent" new types of paper airplanes, combining folds from different types
of paper planes. This particular plane started with a couple of folds from a
pointed paper plane, then square paper plane folds, and finally adding wing tip
fins (I had read about winglets, and wanted to add them to the plane).



When I flew it outside, it flew higher and longer than my previous planes. I
liked to fly paper airplanes outside, and I began using the new plane as I could
launch it very high to catch rising air currents. It wasn't until I looked
through a Guinness Book of Records a year or two later that I realized its
potential ability to break the record. At that point I began improving the
plane, and my throw, in order to challenge the record. I feel lucky that my
efforts have paid off, but I am still learning why it works the way it does, and
improving the plane and the throw.



http://www.paperplane.org/Ken/flying.htm



In 1976 at 13 years old I had my first hang glider instruction at Kitty Hawk
Kites, a great place to learn to hang glide. Two years later I bought my first
hang glider, at this point only flying from small hills and sand dunes.