First Hydrogen-Fueled Global Observer Flight
By Guy Norris
LOS ANGELES — AeroVironment’s Global Observer GO-1 long-endurance unmanned air vehicle has flown for the first time powered by a hydrogen-fueled propulsion system.
The all-composite, 175-ft.-wingspan vehicle climbed to 5,000 ft. above sea level over Edwards AFB, Calif., driven by four propellers and flew for 4 hr. Unlike GO-1’s previous test flights in August and September, in which the ...
