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This is a concept I have been working with for 3-4 years. A different way to induce counter-rotating vortexes, similar to the humpback whale's tubercles. It has the advantage of not catching the leash. These are back quads (fronts coming soon).
The leading edge ondulates so the foil's angle of attack varies by 5 degrees. The front pair of quads have a lower frequency but still 5 degrees of amplitude. Without going into the science, the effect is similar to tubercled fins, smoother stall in exchange of a lower maximum lift.
I make no claim of lightspeed-hyper-space-vortex effect, I am just exploring possibilities, looking at nature and computer charts with equal awe.
