Solar Impulse Returning to Switzerland After Flight to Africa

The solar-powered Solar Impulse aircraft is set to return home to Switzerland after flying more than 3,600 miles during the past two months. The team's accomplishments, including the first solar-powered flight to Africa, comes as the next Solar Impulse airplane suffered a setback in its plans for an around-the-world flight. While the first aircraft, known as HB-SIA was flying across Europe earlier this month, the wing spar for the second aircraft, HB-SIB, literally cracked under pressure during testing.

Source: http://www.wired.com/autopia/2012/07/solar-impulse-return/

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