Solar plane that will stay in the air for months, New Scientist, 14 August 2021, p 17
In US, Skydweller Aero is developing a UAV operating on solar power designed to fly for 90 day missions. It may later be fitted with hydrogen fuel cells for additional boost.
Abstract details
Journal title: New Scientist
Keywords: 4 Propulsion - 4.5 Solar propulsion
Subjects: Aircraft Operation, Solar power, Solar powered aircraft