Very nice testing video. Looks like you were getting about the same level of turbulence that I got on the Insight. I did notice some reverse flow on the tuft which was mounted at the rear edge. I think someone said this type of extension worked best if closed at the back.
The thing I find missing from all our efforts is any sense of the quantity of improvement. Is a bit of flutter at the ends, like we both had, a serious problem, or is there genuine and significant improvement so long as the tufts are not detached?
Nice approach, brave friend!
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