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vortex generators

Posted: Tue Oct 10, 2017 8:02 am
by skypuppy
Has anyone actually installed the Stoll-Speed Vortex Generators? They sound remarkable and I bought the complete set from AS&S. Their videos show an Express and getting 15 knots lower stall speeds!!! While losing nothing on the top end. Too good to be true? Looks like it might also give the horizontal elevator more authority over a wider range of speeds (critical issue with a CT tail?)