CFM RISE

Cleared Direct Oct 24, 2026

The CFM RISE Program, the Open Fan Architecture That GE Aerospace and Safran Are Betting Will Replace the Turbofan, and the Fuel Burn Promise That Could Rewrite the Narrowbody Market by the Mid-Thirties

CFM International's RISE open fan engine promises more than 20% better fuel burn than the LEAP, targeting commercial service in the mid-2030s with a design that breaks from 50 years of turbofan architecture.

Vector

Cleared Direct Sep 17, 2026

The CFM RISE Program, the Open Fan Architecture, and the Twenty Percent Fuel Burn Promise That Could Define the Next Generation of Narrowbody Aviation

CFM International's RISE program is developing an open fan engine architecture targeting 20% better fuel efficiency than today's LEAP, with entry into service projected for the late 2030s.

Vector

Cleared Direct Sep 10, 2026

The CFM RISE Program, the Open Fan Engine, and the Propfan Gamble That Could Power the Next Generation of Narrow-Body Airliners

CFM International's RISE program is developing an open fan engine targeting over 20% better fuel efficiency than the LEAP, with target service entry in the mid-2030s.

Vector

Cleared Direct Aug 24, 2026

The CFM RISE Open Fan, the Unducted Engine With No Cowling, and the Twenty Percent Fuel Bet That Could Reshape the Single-Aisle Jet

Radio Hangar explores The CFM RISE Open Fan, the Unducted Engine With No Cowling, and the Twenty Percent Fuel Bet That Could Reshape the Single-Aisle Jet.

Vector

Cleared Direct Aug 21, 2026

The CFM RISE Open Fan, the Engine With No Cowling, and the Bet That the Ducted Turbofan Has Hit Its Limit

CFM's RISE open fan ditches the engine cowling to cut fuel burn 20%, betting the ducted turbofan has hit its efficiency ceiling.

Vector

Cleared Direct Aug 17, 2026

The CFM RISE Open Fan, the Unducted Engine With Blades You Can See, and the Bet That the Next Big Jump in Fuel Burn Means Taking the Cowling Off

CFM's RISE open fan engine ditches the cowling to cut fuel burn 20% versus today's LEAP, with flight tests due around 2027-2028.

Vector

Cleared Direct Aug 11, 2026

The CFM RISE Open Fan, the Unducted Engine Aviation Tried and Abandoned in the Eighties, and the Twenty Percent Fuel Bet Coming Back to the Single-Aisle Jet

CFM's RISE open fan engine promises 20% better fuel burn and could power the next single-aisle jet around 2035.

Vector

Cleared Direct Aug 6, 2026

CFM RISE, the Open Fan Engine With No Cowling, and the Twenty Percent Fuel Burn Bet on the Airplane That Replaces the Single-Aisle Jet

Radio Hangar explores CFM RISE, the Open Fan Engine With No Cowling, and the Twenty Percent Fuel Burn Bet on the Airplane That Replaces the Single-Aisle Jet.

Vector

Cleared Direct Aug 4, 2026

The CFM RISE Open Fan, the Uncowled Engine GE and Safran Are Betting Will Power the Next Narrowbody, and Why an Idea the 1980s Abandoned Is Back on the Test Stand

CFM's RISE open fan revives a 1980s design, targeting 20% less fuel burn for the next single-aisle jet, with service entry around 2035.

Vector

Cleared Direct Jul 29, 2026

The CFM RISE Open Fan, the Unducted Engine With No Cowl, and the Twenty Percent Fuel Burn Bet That Could Reshape the Single-Aisle Jet

CFM's RISE open fan engine ditches the cowl to chase 20% lower fuel burn on the next single-aisle jet - here's how it works and when it might fly.

Vector