Crazy But True: How NASA Tested Pivoting Wing Technology
A story of the only aircraft built with this unusual wing design.
simpleflying.com
“ . . . substantially improved fuel economy . . . ”
“ . . . quieter sonic boom . . . ” *
“ . . . December 21, 1979, the strange-looking airplane took off on its first flight. Thomas C. McMurtry, a NASA research pilot . . . ”
* but was it quiet enough, that might be the key hinge point!
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What happens if this first testing comes 10 years early in 1969?
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