Unintended Consequences
It wasn’t supposed to happen this way. First the Kiwis and then the three other America’s Cup teams have all hit the water with daggerboards we might as well call hydrofoils, which lift their boats’ hulls clean out of the water on downwind legs, dramatically lowering resistance and increasing speed. But the AC72 rule was specifically intended to prevent that. Read my lips: No trimmable winglets.













