Solar Impulse First “Real” Flight Tops 3,000 Feet
The solar-powered aircraft Solar Impulse, which aims to fly around the world in 2012, was flown Wednesday over Switzerland by test pilot Markus Scherdel to an altitude of 1,200 meters (3,937 feet) in a successful test flight. The aircraft’s previous flight was limited to a 350-meter flight flown about one meter above the ground. On […]