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.
VectorRadio 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.
VectorCFM's RISE open fan ditches the engine cowling to cut fuel burn 20%, betting the ducted turbofan has hit its efficiency ceiling.
VectorCFM's RISE open fan engine ditches the cowling to cut fuel burn 20% versus today's LEAP, with flight tests due around 2027-2028.
VectorCFM's RISE open fan engine promises 20% better fuel burn and could power the next single-aisle jet around 2035.
VectorRadio 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.
VectorCFM's RISE open fan revives a 1980s design, targeting 20% less fuel burn for the next single-aisle jet, with service entry around 2035.
VectorCFM'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.
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