Raul Green's Articles http://www.articleheaven.net en-us editorial@articlealley.com Green Energy Do It Yourself http://www.green-energy-do-it-yourself.com/article_solarimpulse.html Solar Impulse HB-SIA First real flight (video) The First flight is a fact! Solar impulse makes her first test flight from the military airborne field Payerne in Swiss. It took seven ... http://www.articleheaven.net/green-energy-do-it-yourself-1512586.html 22nd April 2010