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MILITARY

How is it possible for military drones to fly for many hours without refueling?

This is a Predator drone, MQ-1. It weighs 500kg empty, has a 105 horsepower rotax engine, 55 feet wingspan and a top speed of 270 kph. Its longest recorded flight was 40 hours 5 minutes, probably by flying very slow and using its big wings to assist like a glider would. Fully loaded with weapons this drone only has a range of 1200km though. So in recon mode it has a camera and nothing else, and can fly for many hours. In attack mode with a few heavy hellfires it would be done after 6 hours. It's so small it

  2 years ago ago
How is it possible for military drones to fly for many hours without refueling?