SEILmagasinet · video

What this video covers

Thomas Nilsson and Sigmund Hertzberg demonstrate sail trim techniques aboard a 36-foot Exxiotts, a vessel noted for its high-quality deck hardware and efficient mechanical advantage.1:44 The pair explains that sail shape adjustments rely on managing various control lines to manipulate the sail's draft and camber. Increasing the curve or "belly" of the sail generates more power, while tensioning the lines to flatten the sail reduces power and improves pointing ability when sailing upwind.0:46 Proper trim ensures laminar airflow across the sail surface, preventing turbulence and luffing.1:11 The crew also discusses twisting the top of the sail to spill excess power or compensate for varying wind speeds at different heights.1:33 While the Exxiotts features low-friction systems that simplify these adjustments, the fundamental principles of sail control apply to most sailboats.1:44 Mastering the function of each control line allows sailors to adapt their sail plan to changing wind conditions and improve overall boat performance.

Boats in this video

More from SEILmagasinet

Lift Ocean takes aim at sailing on a flight.Aug 2026Every boat has its own storyAug 2026XR 41: X-Yachts back to its rootsAug 2026A Knack for Sailing: Christen With on 60 years in the service of sailingAug 2026

From SEILmagasinet — see the channel’s boat, crew, and every analyzed video.

The Sailing Directory Newsletter

One email with the fleet's best finds — the moments, boats, and stories worth your watch time. Enter your own address to get your own copy.