“Every time I went racing I was faced with the reality that fast spinnaker trim, albeit simple in theory, requires a tremendous amount of work–more than any other sail,” writes Peter Isler in ...

Once, while coaching a team before the Rolex International Women’s Keelboat Championship, someone asked me about jib sail trim, so I hopped on board and sat to leeward to video their jib leech while ...

Sail aerodynamics is a discipline that explores the complex interactions between wind flow and sail design, which ultimately dictate a vessel’s performance and efficiency. Researchers investigate the ...