HYDROFOIL -- High flying torpedo or low flying aircraft? Ray Vellinga edited video

For Ray's book, CLICK THE FOLLOWING: http://www.amazon.com/Hydrofoils-Desi.... The Video:Creating Exciting boats that fly above the water is challenging. See several examples of HYSWAS and just how elusive success can be. Fascinating high flying boats that combine submerged flotation with hydrofoil lift. To build or understand hydrofoils, check out my latest video:    • HYDROFOIL --SAVE $20!!  Don't Buy This Boo...   Ray Vellinga