There's a hydrofoil going for the water record which uses a very similar design: force balanced rigid wing instead of a sail, tiny flying ama. http://www.sailr

There's a hydrofoil going for the water record which uses a very similar design: force balanced rigid wing instead of a sail, tiny flying ama. http://www.sailrocket.com/ http://www.sailrocket.com/ The designs are both basically laid out in The 40 Knot Sailboat by Bernard Smith, which is a really cool book.