Folding into a blended-wing-body could hide a lot of acoustic sins.
Those variable stator vanes are the secret sauce across the envelope.
Propulsive efficiency > thermal efficiency—back to first principles.
Rear engine means new de-icing, FOD, and bird-strike playbooks.
Airport ops: wake + noise contours will decide who buys first.
If it hits 100% SAF + hydrogen-ready, that’s futureproofing.
The RISE nacelle delete saves weight, but blade containment is the question.
Throwback propfan vibes, modern CFD and materials—very different era.
Airlines buy CASM; 20% is real money over 15 years.
Airbus aiming this at the A320 successor is the real story.