Airbus unveiled its solar-powered drone (Zephyr S) at Farnborough. The high-altitude pseudo-satellite (HAPS) has a wingspan of 82 feet and weighs less than 55 pounds. It can fly above the weather and conventional air traffic at an altitude of 13 miles. A future model, the Zephyr T, would have a wingspan of 108 feet.
Giant Solar-Powered Drone Revealed
August 23, 2018