Propulsion

Helix started life as an automotive combustion engine consultancy business.

The CEO reports progress toward raising €450 million and reaching certification of the ERA 19-seater.

Flight Friday looks at cycles (flights) of some select engines that power narrowbody passenger aircraft in Europe.

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

Questioning of aviation’s net-zero-emissions 2050 target comes as key technologies move toward ground and flight testing.

Many engine lessors have added technical capabilities in a bid to drive maintenance efficiencies and maximize asset values.

Investors remain bullish about the aerospace and defense giant RTX despite ongoing travails with Pratt & Whitney’s geared turbofan engine.

The maintenance provider had a strong first half of the year against a backdrop of material shortages and skilled labor demands.

Rolls-Royce has begun flight tests of a major upgrade to the Trent 1000 engine powering some Boeing 787s.

The OEM expects similar or better performance for the next two years due to strong aftermarket sales.

Safran CEO Olivier Andries has blamed delays in CFM Leap 1A engine deliveries to Airbus on a drop in output at a high-pressure turbine (HPT) blade supplier.

Challenges with new-generation aircraft are providing plenty of headaches for affected operators and aftermarket providers.

Rolls-Royce’s rapid development of its Orpheus demonstrator engine is beginning to pay dividends and even influencing how the UK OEM thinks about its large commercial engine developments.

Operators of CFM Leap 1A engines will soon have access to reverse bleed system (RBS) retrofit kits, the engine manufacturer announced.

The company is confident it is on pace to meet demand for new aircraft and improve turnaround times on engines undergoing mandatory service.

Speaking at Farnborough Airshow, Boom founder and CEO Blake Scholl shared plans to begin full-scale core tests of its Overture airliner's Symphony engine in 18 months.

RTX’s strategic push toward more sustainable hybrid-electric aviation is accelerating with key advances in motor, motor-generator and control technologies.

The engine OEM plans to invest more than $1 billion in its MRO facilities.

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

This week’s Flight Friday revisits a similar analysis from earlier in 2024, the utilization of CFM Leap and Pratt & Whitney PW1000G (GTF)-powered aircraft.

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.

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