LH2, Fuel Cells Best Option For UAM, Piasecki Study Says

Graham Warwick May 14, 2024

The DOE study compared the piston-powered R44 with battery- and hydrogen-powered variants.

Credit: Piasecki Aircraft
Liquid-hydrogen fuel cell propulsion has emerged as superior to both the internal combustion engine and batteries in an urban air mobility (UAM) feasibility study conducted by Piasecki Aircraft for the U.S. Energy Department. The study involved comparing a baseline piston-powered Robinson R44 with...
Graham Warwick

Graham leads Aviation Week's coverage of technology, focusing on engineering and technology across the aerospace industry, with a special focus on identifying technologies of strategic importance to aviation, aerospace and defense.

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