Although the P-791 is "hybrid airship" and therefore only partially "lighter than air", the youtube video is pretty neat.
Thursday, February 26, 2009
Saturday, November 29, 2008
Thursday, October 23, 2008
Tuesday, August 19, 2008
Frenchman attempts human-powered blimping across the English channel
Courtesy of Wired, via blog.Makezine
You know it's hard up here for a blimp. Or so says Stephane Rousson, a 39-year-old Frenchman who's hoping to cross the English Channel in a homemade, pedal-powered airship. As a child, he was captivated by the Gossamer Albatross, the first entirely human-powered craft to fly the turbulent stretch from England to France. Hoping to repeat that 1979 feat, Rousson acquired Zeppy, a crank-driven zeppelin. Built originally by Jean Marc Geiser and his son Luc back in 1984, the craft's forward momentum and steering come from a pair of 10-foot movable propellers, churned by a recumbent bike hanging from the ship's belly; Rousson modified the chassis to improve its stability and power. He has logged more than 30 hours of flight time, including a four-hour hop around the coastal town of Toulon. But so far, no English Channel. The problem: Breezes over 5 mph bat the blimp around like a cat playing with a moth. Also, the heat of the sun raises the temperature of the helium in the Zeppy, which could cause it to explode. With the channel typically experiencing only three windless days a year, Rousson will have to time his five-hour, 34-mile flight perfectly. He plans to try again in September. Here's hoping the attempt doesn't go down like a lead balloon.
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