I read 11 pages of that ultimate sailing article. It talked about a foil disc. Made me think if it spun it might be more stable. And could generate electricity and not create near the drag that a turbine generator would. So it could help sail upwind, generate electricity and reduce heeling. Might as well add a camera. Mount the generator disc below my c wing so that it can be controlled.

daggy said..
OMG
What the hell is going on here?

Ultimate Sailing R&D. look at the info and toss out your design idea. Hapa, Board, Harness or kite. Describe in words the idea in your head, I try to draw a 3D model of your idea, so that we can pick it apart and make the worlds fastest sailing vessel.