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.
CFM International's RISE program targets 20%-plus fuel efficiency over today's LEAP engines by removing the nacelle and exposing fan blades - a concept the 1980s couldn't close out, now back with better physics support.
CFM International's RISE program is developing an open fan engine targeting 20% better fuel burn than current turbofans, with entry into service projected for the mid-2030s.
CFM's RISE program is developing a counter-rotating open fan engine targeting 20%+ fuel burn improvement over current LEAP engines, with entry into service targeted for the mid-2030s.
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.
The Pentagon's Defense Innovation Unit has contracted GE Aerospace to develop Derecho, an air-launched hypersonic test vehicle designed to reach Mach 5.
CFM International's RISE program is reviving the open fan engine with modern materials and AI design tools that could deliver 20%+ fuel savings for the next narrowbody generation.