Solar space plane makes public debut

SolarStratos, a solar-powered aircraft designed to reach the stratosphere, has been unveiled at a ceremony in Payerne, Switzerland. Weighing 450kg, the two-seater plane has a wingspan of 24.8m and is covered with 22m2 of photovoltaic panels, operating with a cell efficiency of 22-24 per cent. These power a 32kW electric motor, which drives the 2.2m … Continue reading Solar space plane makes public debut