The wings of Solar Impulse 2 are covered with by 17,200 solar collectors that power the aircraft's engines, enabling it to fly at a maximum speed of 140 kilometers (87 miles) per hour. Its wingspread is 72 meters, which is longer than that of a Boeing 747. Combined with a mass of just 2,3 tons, it provides the plane with excellent long distance flying capabilities.
Sun Rays Instead of Jet Fuel: Solar Impulse 2 Takes Off
09:47 GMT 09.03.2015 (Updated: 10:32 GMT 09.03.2015)
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Around the world in 150 days: Solar Impulse 2 took off in Abu Dhabi in a pursuit to complete history’s first exclusively solar energy-powered around-the-world flight.
