downwind Depends on the boat but many modern light displacement boats canting and fixed can benefit by gybing downwind.
CBTF CBTF wasn't used in the AC but twin foils were used. CBTF is Canting Ballast Twin Foil. The twin foils did show promise back then. Any...
CBTF Canting keels are probably one of the most significant breakthrus in sailing yacht design in the last 50 years(along with the Moth foiler!)....
