Airbus has just announced the next phase of its Wing of Tomorrow programme: a three-year flight-test campaign, unveiled at Farnborough, that will bolt full-scale wing extensions onto an A321neo to trial the longer, higher-aspect-ratio wings destined for the successor to its best-selling single-aisle family. The extensions are several metres long and stand in for a … Continue reading Folding, thinner, lighter, and stronger wings signals a quiet retreat for aluminium in aerospace