Hydrogen-powered, box-winged eVTOL makes first untethered flight

We've been following the development of Australia's AMSL Aero's longe-range, hydrogen-powered Vertiia eVTOL for some time and now the box-winged tilt-rotor aircraft has completed its first free flight after over a year of 50 tethered tests.

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https://australianaviation.com.au/2024/11/amsl-zero-emission-aircraft-flies-without-tether/

https://newatlas.com/aircraft/hydrogen-powered-box-winged-evtol-makes-first-untethered-flight/