Solar Impulse the first plane on Solar Energy

The prototype aircraft on Solar Energy, called “Solar Impulse “, made ​​its first international flight from Switzerland to Belgium.The flight lasted about 14 hours.Average speed of the plane was about 50 miles per hour.”Solar Impulse ” ‘s wingspan is about 64.3 meters, which is comparable to the dimensions of the AirbusA-340, although its length is much shorter and is 22 metres, aircraft’s height reaches 6.5 metres.This is a monoplane in the planar configuration, with a strong cross tail and right wing, under the plane which has four propeller engines.

source:www.forcetoknow.com