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  • Daggerboard


    A daggerboard is a retractable centreboard used by various sailing craft. While other types of centreboard may pivot to retract, a daggerboard slides in a casing. The shape of the daggerboard converts the forward motion into a windward lift, countering the leeward push of the sail. The theoretical centre of lateral resistance is on the trailing edge of the daggerboard.

  • Catboat


    Sail-plan of a gaff-rigged catboat. Catboats with Bermuda rig in background A catboat (or cat boat) is a sailboat with a single sail on a single mast set well forward in the bow of the boat. Most have a shallow draft, with centreboards, although some have a keel. Most are gaff rigged but some have a Bermuda rig. The beam of the classic Cape Cod Cat's beam measurement is almost half the waterline length, making it very stable. Some cat boats in current use include the Beetle Cat, the Redden Catboat, the Nonsuch, the Inland Cat, the Zijlsloep. the Cape Cod Cat Com-Pac Trailerable, Marshal Menger, and the APBY cat boat. A catboat is not the same as a catamaran, which is a multi-hull with a raised trampoline for crew seating and trapezing. Nor is it the same as a Cat, a Norwegian ship used to carry up to 600 tons of coal.

  • Sailboat


    A typical monohull sloop with Bermuda rig Sailboat on Lake Constance, Germany. A sailboat or sailing boat is a boat propelled partly or entirely by sails smaller than a sailing ship. Distinctions in what constitutes a sailing boat and ship vary by region and maritime culture.

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