France developed the Nord 500—a vertical takeoff and landing aircraft powered by twin ducted fans that promised speed, ...

To validate the new configuration, VoltAero is using a rotating test bench. This has a small model of the Cassio 330 mounted ...

An open-fan engine features a larger-diameter fan for better efficiency. As the accompanying nacelle would make the engine ...

The relevance of a quiet aircraft to the DOD is likely obvious. Whisper has validated that it can fly a 55-pound drone with its electric ducted fan at an altitude of 200 feet that is completely ...

The aircraft’s battery powers the electric ducted fans for short trips, providing a 186-mile (300-km) range with zero emissions. This makes the ANN Plus an ideal solution for urban ...

VTOL: Vertical Take-Off and Landing, referring to aircraft capable of lifting off and landing vertically. Ducted Fan: A propulsion system where a fan or rotor is enclosed within a duct ...

Multiple electric ducted fans are integrated into the leading-edge slats (flap-like devices on the front of a wing) on the aircraft in segments (two fans per segment). The fans can be moved to ...

“By understanding the noise mechanisms in BLI ducted fans, it is hoped that industrial guidelines can be developed for quieter airframe-integrated propulsion systems in future aircraft concepts, from ...

that would have 11 of their ducted fans on each wing, for a total of 22. That nine-passenger aircraft would be designed to take off in a conventional way, by speeding down a runway, as opposed to ...

Hot-wire measurement setup for a BLI configuration, featuring a ducted fan installed adjacent to a ... study has revealed why emerging electric aircraft engine technology sounds so annoying ...