Cleared Direct
Aug 29, 2026
CFM International's RISE program targets more than 20% better fuel burn by eliminating the nacelle entirely, marking the most fundamental rethink of commercial jet propulsion in decades.
Vector Cleared Direct
Aug 21, 2026
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
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
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 11, 2026
Radio Hangar explores The Open Fan, CFM's RISE Program, and the Engine With No Cowling That Wants to Cut Airline Fuel Burn by Twenty Percent.
Vector Cleared Direct
Aug 9, 2026
CFM's RISE open fan engine ditches the cowling to cut fuel burn 20%, reviving a 1980s idea the tools couldn't build until now.
Vector Cleared Direct
Aug 4, 2026
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
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