Liquid Hydrogen-Fueled Rotary Wing UAS Sets Endurance Mark

LOS ANGELES—A liquid hydrogen-powered unmanned multicopter flew continuously for 10 hr., 50 min. in South Korea on Jan. 23, establishing what is believed to be a new endurance record for a vehicle of its kind. Developed by Seoul-based liquid hydrogen specialist MetaVista, the unmanned aircraft...
Guy Norris

Guy is a Senior Editor for Aviation Week, covering technology and propulsion. He is based in Colorado Springs.

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