This is the fourth in a series of Rules columns explaining the new rules that apply at marks and obstructions. This month, I complete my discussion of Rule 18, the rule that applies at almost all ...

I ask because our tactician is having a noticeably hard time figuring out what to do. “Uh … no,” our tactician responds. “OK,” I say. “Let’s tack, then we can sort it out.” It’s not that he is doing ...

Tacking—a maneuver used to sail a boat against the wind, changing direction in a zig-zag fashion—is one of the most difficult but necessary sailing maneuvers. While tacking is common, the movement of ...

The Courant Institute's Christiana Mavroyiakoumou, above at Central Park's Conservatory Water, and the University of Michigan's Silas Alben studied how sails behave during a wide range of tacking ...