First hydrogen-powered UAV takes flight
When it comes to unmanned aerial vehicles (UAV), hydrogen is all the rage.
The first hydrogen-powered, unmanned UAV flight took place over California yesterday, AeroVironment, a company with 20 years experience in building unmanned aircraft, announced. Dubbed Global Observer, the "unmanned aircraft system" took off from Edwards Air Force Base and lasted more than four hours in the air. The company said the aircraft was able to reach an altitude of 5,000 feet.
Last year, Global Observer was put to the test at NASA's Dryden Flight Research Center. The government organization load tested Global Observer's … Read more