Tartan Ten

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Specifications Under Current Rules

T-10

Number of crew	6-10
LOA	10m 33 ft
LWL	8.2m 27 ft
Draft	3m 5 ft 10 in
Beam	2.8m 9 ft 2 in
Hull weight (with fittings)	1515 kg 3,340 lb
Sail Area Total	486 ft²

a Tartan Ten sail boat, rafted to another Tartan Ten

The Tarten Ten, nicknamed T-10, is a 10 meter keelboat designed by Sparkman & Stephens in 1978. Since then over 400 hulls have been built.

The T-10 is a sloop design with 7/8th fractional rig, symmetrical spinnaker, lead keel, aluminum mast and boom, and balsawood-cored fiberglass hull. It can sleep six (2 in V-berth, 2 in mid bunks, and 2 in aft bunks), has a small sink, and a portable toilet. The Tartan Ten has a relatively flush deck to facilitate deck movement during a race, and this is normally an easy way to identify the boat. The T-10 was designed primarily for racing in a local area (aka "Daysailing"), but that doesn't stop sailors from racing the boat on long races as well. In 2006 twenty-five T-10's participated in the Chicago Yacht Club's Race to Mackinac (see Chicago to Mackinac Boat Race), a popular 333-mile race along the length of Lake Michigan from Chicago, IL to Mackinac Island, MI.

While an older design, T-10's remain popular racing sail boats, especially in the US Midwest. Their popularity is driven, many believe, by two factors. First, there are still many T-10's racing, which makes it a fun fleet in which to participate. Second, T-10's are relatively cheap when compared to equivalently sized sail boats currently sold. Many older T-10's built in the 70's and 80's have been refurbished by their owners and continue to race regularly. In Chicago, IL, as many as 20 to 30 T-10's race consistenly on almost every weekend of the summer. In large regattas as many as 37 T-10's have raced in recent years. In the 2006 Land's End National Offshore One Design (NOOD) regatta in Chicago, IL, 33 T-10's raced.

The T-10 class races under a set of rules using the "one-design" philosophy, limiting modifications, materials, crew size, and other parameters in order to keep the boats as equal as possible. This allows racing without time handicaps or boat ratings, and the boat that crosses the finish line first wins. Additionally, the T-10 one-design class rules are meant to limit benefits due to unlimited budgets. One-design racing keeps the fleet of boats very competitive with each other and provides for exciting racing even though they may not be as fast as newer boats.

A newer version of the T-10, called the LS-10, is available, though it hasn't been as popular as hoped. The LS-10 was designed so it meets the class rules for one-design racing, but adds modern amenitities such as a head (bathroom) and shower.

The Tartan Ten was inducted into the American Sailboat Hall of Fame in 1998.