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

PARIS— Boeing has issued a request for information (RFI) to engine makers for advanced ducted propulsion systems in the ...

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

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 ...

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 ...

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 ...

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 ...

“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 ...