Quote:
Originally Posted by MetroMPG
The less good news: I think the side curvature is a bit too aggressive. There's quite a bit of turbulence in those last 3 tuft columns. They dance around quite a bit, sometimes off the surface, though they never point "in to" the flow, so we don't have reversal (worst case scenario).
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Try very small vortex generators.
Put them where the air is still going smoothly over the tail.
A 5mm thick cardboard zig-zag strip taped on should do the trick.