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LOOP News![]() 12 DEC 07: NO-FUEL PROTOTYPE SHOWNThe aircraft has a wingspan of almost 200 feet and will be used to test the concept. The plan is for the prototype to fly non-stop for 36 hours, using solar power for its electric motors. It will charge its batteries by day and use the stored energy at night. In 2011, Piccard will fly a second aircraft on a month-long flight around the world. This aircraft will fly for several days at a time and part of the challenge is to build systems to sustain the pilot. "The Solar Impulse engineers have therefore had to develop a totally new type of airplane, made possible by innovative technologies, in which everything is new, everything is different: aerodynamics, structure, manufacturing methods and type of propulsion," says the project's Web site. W: www.solarimpulse.com | |||||||
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