LONDON—British light rotorcraft developer Hill Helicopters has pushed back the timeline for the first run of its in-house-developed GT50 turboshaft engine and the first flight of the HX50 ...
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World’s first large-scale 100% hydrogen engine feeds power into electricity grid
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UK rotorcraft start-up Hill Helicopters has further delayed the first flight of its developmental HX50 light-single, pushing back the milestone until late 2026. UK rotorcraft start-up Hill Helicopters ...
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