For multihulls, there are four important indicators of performance and stability: the Bruce Number; the Real Performance Index; the Stability Number; and the Stability Factor.Bruce NumberBruce Number is another form of the sail area-displacement ratio (a power-to-weight ratio). It shows how much sail area relative to displacement (weight) a boat has, but tells nothing about a
In the July issue of SAIL we published Jim Hancock’s Scope for Improvement?” in which the author argues that the traditional anchoring rules of thumb may need revision. More scope is almost always better, unless you don’t have the room to swing, or the bottom is foul.There’s more to know, however, and this is where Hancock lays out the facts surrounding the catenary curve, as we
Bill Springer discussed the difference between towing and salvage in the July 2003 SAIL. For more information log on to the following sites.SeatowMembership provides:24-hour/7 day-a-week dispatch, Unlimited service area towing, Soft ungrounding assistance, Fuel drops, Jump starts, Prop disentanglements, Reimbursed world-wide/out of service area coverage, Optional trailer assistance.
There are courses to help racers move up in the standings, courses that teach the skills needed for chartering or overnight passages, and even courses where students learn celestial navigation and passagemaking while sailing offshore with an instructor.Most sailing schools are affiliated with an umbrella organization that issues certification. The web sites of these umbrella groups have
The winner of the CCA’s seamanship medal says that accepting the new reality during a sinking situation is critical to safety.
In love with wooden boats from the start, he found a unique Alden design that continues to fulfill his sailing dreams.
Skinny water and all, a shoulder-season charter in Belize makes for a great escape.
The May 2025 issue of SAIL is here, and we’ve put a special focus on adventure.
The US Sailing Safety at Sea seminar in Annapolis is all about hands-on learning and gaining new perspectives about safety, whether racing or cruising, offshore or coastal.
Harken’s new course aims to provide practical, hands on training.
With young, local talent on display in dynamic contemporary designs, the 51st St. Thomas International Regatta was a celebration of great racing and the next generation taking the lead.
Groundbreakers in yacht design, magazine publishing, and racing are among 11 chosen for the National Sailing Hall of Fame.
What if we could simplify the equipment at the top of our masts? Instead of a farm of devices, take an approach that cuts down
Four years, half a planet, and 50 crewmates later, a young sailor opens new doors to bluewater sailing.
