next-generation narrowbody

Cleared Direct Sep 17, 2026

The CFM RISE Open Fan Engine, the Return of the Unducted Rotor, and the Twenty Percent Fuel Burn Promise That Could Define the Next Generation of Commercial Jets

CFM International's RISE open fan engine targets 20%+ fuel savings over the LEAP by eliminating the nacelle - with service entry projected for the mid-2030s.

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