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CFM International's RISE Program Gains Momentum | Paid content

As technology testing continues for the RISE program, momentum is growing. Unveiled in 2021 by CFM International, a 50/50 joint company between GE Aerospace and Safran Aircraft Engines, the program is advancing flight technologies that aim to be 20% more fuel efficient than current commercial engines.

No Showstoppers For CFM RISE So Far In Tests | Aviation Week Network

With more than 100 tests complete on the RISE program, so far there have been no showstoppers in the quest to develop an engine with 20% better fuel efficiency.

CFM touts 'better than predicted' performance of open-fan engine in windtunnel tests

Safran, Onera begin wind tunnel trials for CFM RISE fan demonstrator

Drive to support development of cleaner, greener aircraft

Safran Aircraft Engines and France’s national aerospace research agency ONERA have begun first wind tunnel tests with the ECOENGInE, a 1:5 scale demonstrator of the future Open Fan. Safran has a base in Gloucester. The trials are at ONERA’s wind tunnel facility in Modane, France. This disruptive architecture, a key pillar of the CFM RISE technology demonstration program,[1] is currently the most promising in terms of reducing the environmental footprint of aviation. The Open Fan aims to reduce fuel burn and CO2 emissions by 20% — and up to 80% when combined with SAFs or sustainable aviation fuels — for the next generation of single-aisle commercial jets by 2035. To support the process of bringing the Open Fan’s aerodynamics and acoustics to maturity, Safran Aircraft Engines and ONERA recently signed a framework agreement for an ambitious test plan from 2024 to 2028, building on previous trials with the ECOENGInE. Tests on the ECOENGInE backed