In the early 60s, there were several studies into creating the first mass-produced vtol aircraft. A plane that could operate like a jet, and then at the same time, land vertically where needed. Bell, ...
Sirius’ own Hydrogen-Electric Ducted Fan Propulsion System is due for commercialisation late in 2025 ... The Swiss company is obviously hoping, first and foremost, to become a key player in the tech ...