Propulsion

A third straight year of declining funding for UAM development is impacting several factors including establishing aftermarket support networks.

Open fan or ducted? Airbus updates progress on crucial engine selection process for next-generation single-aisle A320 replacement.

U.S.-based repair facility will now operate as Lufthansa Technik Engine Services.

A HWB has emerged as one of the most promising potential zero-emission airliner concepts from a NASA study of commercially viable designs.

CFM International CEO Gael Meheust joins the podcast to dive into the remarkable story behind the CFM56: Hear how teams on opposite sides of the Atlantic persevered against the odds to propel the industry into a new age.

Tests of a liquid hydrogen fuel system by MTU Aero Engines validate that a defined mass flow of preconditioned hydrogen can be fed safely into a fuel cell.

European researchers are making progress with efforts to develop their own structurally braced and cantilevered slender wings for airliners.

Embraer has revealed new details about its Energia regional aircraft concept studies.

Aero Engine Centre is looking to capitalize on specific types of CFM Leap engine work following its recent move to a new engine shop.

The acquisition is likely to be finalized by the end of this year and motivated by Leap aftermarket growth.

Next-Generation Adaptive Propulsion engine-makers are awaiting a possible redirection over power needs amid the U.S. Air Force's NGAD review.

Founded in 2017, Daytona Beach, Florida-based VerdeGo is already working to certify the 185-kW VH-3.

Helix started life as an automotive combustion engine consultancy business.

Hydrogen-electric propulsion is going to start in the subregional sector. Can it grow into mainstream aviation?

Whisper Aero has unveiled a prototype glider powered by its largest electric ducted-fan thruster to date.

New drive systems combining hydrogen fuel cells and distributed electric propulsion can be costly to develop.

Venus Aerospace’s team intentionally throttled the hydrogen peroxide monopropellant engine at 80% thrust to prevent the drone from reaching supersonic speed.

Validating the design of the fan blades is the overarching goal of a monthslong campaign at ONERA’s S1MA wind tunnel.

Boeing goes back to basics to transform retired MD-90 for future truss-braced wing test role.

Aviation Week forecasts Africa and the Middle East will have the most widebody engine MRO demand and Europe the most narrowbody engine demand in the period.

X-Bow received a $64 million contract from the Pentagon’s Industrial Base Policy office to expand manufacturing and lower production costs for SRMs.

Long-term pressure gain remains the goal, but compact combustion is accelerating near-term adoption of the technology for high-speed propulsion systems.

The EL-2 Goldfinch’s multiple electric propellers blow the wing to enable ultra-short takeoffs and landings.

For future surveillance satellites, the service seeks new thrusters and in-space refueling so it can “burn gas at will.”

Readers write about the U.S. Army FLRAA contest and fuel cell propulsion. Plus: Behind the Scenes: Aviation Week Events and Informa win awards.