Peter Ifju (Prof., Aeronautical Engineering Dept, U. Florida) sails very wide light windsurfers of his own design. It planes at 6 knots: add 2 under a Hobie tramp 14 structure, add proper Carbon mast, modern sail with foam battens and what else?
Dacarls: A-class USA 196, USA 21, H18, H16 "Nothing that's any good works by itself. You got to make the damn thing work"- Thomas Edison