This is way cool! Wings that fold at high speed to improve lift, drag and all the other important equations, made possible in part by an alloy that “remembers” its previous shape when heated. Reminiscent of another cool airplane whose wings folded at high speed, my favorite, the XB-70. I’m also including a photo […]
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"Cockpits full of ghosts." Squadron Leader Geoffrey Wellum, 94, who was the youngest Spitfire pilot in the Battle of Britain and was awarded the DFC, talks about the first time he flew a Spitfire.