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I've been studying Wingfield of aircraft since they're the same shape and have tips specifically designed to eliminate this problem.
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Wut?
The F-173 was basically all wingtip. What made it work was the propwash from the counter-rotating props ahead of the wing.
Also, consider the construction of this:
All simple curves and no longitudinal edges.
If you cut the gores lengthways you wind up with more seams.
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I could mount a small turbine and let it spin freely to see the effect of the vortex.
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I notice the Airbus example uses a 'feathered' prop. It wouldn't need to be much more than a tachometer on a forward-reaching arm [or tentacle] that can be adjusted around. No vortex would equal zero RPM.