I have first hand knowledge of the self tacking system Bill Roberts designed for the SuperCat boats and have sailed on a 20 with it. I'm wondering if will work as well on a non board boat that doesn't have a pivot point of a board.maybe I'll be the test case?

Mike Shappell
TMS-20 Builder
G-Cat 5.7 - Current Boat
NACRA 5.2 - early 70's