The Colorado mission flights took place from an airfield situated at 5,800 feet above sea level, with temperatures reaching 36°C (96.8°F) and a takeoff density altitude of 9,500ft. The B23 Energic ...
P. Ponk power and factory seaplane kit define ultimate late-model utility plane.
Swiss pilot Raphael Domjan beat the altitude record for a solar-powered electric plane in a flight that took him soaring to 9,521 meters, or 31,237 feet, his team announced Wednesday. The SolarStratos ...
Swiss pilot Raphael Domjan recently beat the altitude record for a solar-powered electric plane in a flight that took him ...
Swiss pilot Raphael Domjan beat the altitude record for a solar-powered electric plane in a flight that took him soaring to 9,521 metres, his team announced Wednesday. The SolarStratos plane made the ...