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The WoopyFly, a sort of paraglider/trike/ultralight hybrid shown on the world stage at AERO Friedrichshafen this April 2010 in Germany, has a wing that folds for storage like a paraglider — because it's inflatable. Currently, it appears the wing itself is only available from distributors in Switzerland, Russia, and Japan. Those wishing to buy the trike (plus wing) can expect a complete kit cost to run about 13,780 Swiss Francs, which currently is about US$12,400 — plus the legal disclaimer that releases the manufacturer of liability.
Video narration by Glenn Pew for AVweb.com.
