A while back, we wrote about the ducted fan, single rotor, VTOL drone that [Armin Strobel] was working on. It wasn’t quite finished then, and hadn’t got off the ground yet. He’s posted an ...

It has VTOL range of 600nm (700miles/1,100km ... allowing use of very short runways with front fans in intermediate positions. It is powered by two turboshaft engines that are 100% SAF compatible ...

and all 5 doors for VTOL are actuated by a single servo in the nose via a series of linkages. For tilt control, air from the main fan is channeled to the wing-tips and controlled by servo-actuated ...

Sirius’ own Hydrogen-Electric Ducted Fan Propulsion System is due for commercialisation ... With a capacity of four (a pilot and three passengers), the Sirius Jet gets its VTOL capabilities from two ...

Following successful trials on the Ukrainian battlefield, the tech company is opening an office in Kyiv to provide complete operational support for its V-BAT MQ-35A VTOL UAV to Ukraine’s armed forces.