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the winglets are clearly visible on this photograph, are they connected with air flow instability? enter image description here

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  • $\begingroup$ The "linked" question was duplicated by my question.In fact "winglets" was inappropriate, VG vortex generator was the right wording.Answers are enough for the moment. Excellent job of the system! $\endgroup$ – Ahmed Oct 2 '19 at 12:31