The aircraft will then take its first night test flight in 2010 to see if it can stay in the air for a 36-hour day-night-day cycle running solely on battery power without any fuel. From there, the next generation of the Solar Impulse, the HB-SIB, will make two test flights in 2012--the first across the Atlantic, and the second around the world in five legs over the course of four to six days.
Here, an artist renders his impression of what the Solar Impulse might look like once it takes to the skies.
Caption by Lance Whitney
July 3, 2009 11:00 AM PDT
Photo by: Solar Impulse/Claudio Leonardi
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