Were any biplane flying wings built and flown after the 1912-1914 variants of the Dunne D.8? If not, why?

Wikipedia mentions merely that this type was too stable and insufficiently controllable, but that's not inherent to this layout. And the biplane's stiff truss structure remained useful for the next half decade.

  • $\begingroup$ Maybe use "blended-wing" as a tag. $\endgroup$ – PerlDuck Aug 8 at 17:32
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    $\begingroup$ BWB's belong to the jet age, unfortunately too fast for biplanes. $\endgroup$ – Camille Goudeseune Aug 8 at 17:45
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    $\begingroup$ See this question over on meta. Maybe a new tag is coming soon... $\endgroup$ – PerlDuck Aug 8 at 18:26
  • $\begingroup$ The Burnelli RB-1 and RB-2, 1921-1925, are biplanes with lifting bodies, which is sort of adjacent. $\endgroup$ – Roger Aug 8 at 19:44
  • $\begingroup$ Yeah, more of a lifting body with a vestigial stab and elevator than a true flying wing. Clever layout for an airliner! $\endgroup$ – Camille Goudeseune Aug 8 at 19:52

OK, I found one, from a friend's suggestion about hang gliders. The late 1970's UFM Easy Riser, initially a go-kart engine strapped to a foot-launched hang glider, the "first ultralight."
But this is even more Octave Chanutesque than the 1912 Dunne! Are there any, shall we say, nonprimitive models? If not, why?

  • $\begingroup$ Ah, now that we have a tag flying-wing, maybe someone knowledgeable will notice and answer. $\endgroup$ – Camille Goudeseune Sep 10 at 15:59

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