The A330neo's wing is considerably longer than the A330ceo's, while the A350's wingspan is clipped by Code E regulations.
Martins designed new, high aspect ratio wings that have a much larger span than those in use today. Boeing has adapted that model and will build a prototype to test at NASA's Transonic Dynamics Tunnel ...
The idea takes advantage of the higher lift and lower drag you get with longer, slimmer, high aspect ratio wings – the sort you might find on an unpowered glider. A concept Boeing was testing in 2016, ...