I caught up with Unither Bioélectronique to learn more about the engineering challenges they faced on the path to first flight of their hydrogen-powered R44 helicopter. Thermal management was a big one, although they expect that to be easier on their next prototype.
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The engineering behind the first hydrogen-powered helicopter flight
Unither Bioélectronique tells Vertical about some of the technical challenges it overcame to achieve the world’s first flight demonstration of a piloted hydrogen-powered helicopter.