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Sail plan of a brig. A sail plan is a drawing of a sailing craft, viewed from the side, depicting its sails, the spars that carry them and some of the rigging that supports the rig. [1] By extension, "sail plan" describes the arrangement of sails on a craft. [2] [3] A sailing craft may be waterborne (a ship or boat), an iceboat, or a sail ...
Lofting is the transfer of a Lines Plan to a Full-Sized Plan. This helps to assure that the boat will be accurate in its layout and pleasing in appearance. There are many methods to loft a set of plans. Generally, boat building books have a detailed description of the lofting process, beyond the scope of this article.
Filled with wind, the sail has a roughly spherical polygon shape and if the shape is stable, then the location of centre of effort is stable. On sailing craft with multiple sails, the position of centre of effort varies with the sail plan. Sail trim or airfoil profile, boat trim and point of sail also affect CE.
A gaff cutter, Kleine Freiheit, with a genoa jib set USCGC Legare, an example of a US Coast Guard cutter A cutter is any of various types of watercraft.The term can refer to the rig (sail plan) of a sailing vessel (but with regional differences in definition), to a governmental enforcement agency vessel (such as a coast guard or border force cutter), to a type of ship's boat which can be used ...
It is typical for sailors to purchase bare hulls, spars and foils, and then rig the boats themselves. The result is that there is a wide variety of setups, with some notable regional preferences. For example, US boats traditionally have end-boom sheeting while German boats have mid-boom.
Full-rigged sailing ship Christian Radich Full-rigged sailing ship Royal Clipper Amerigo Vespucci, full-rigged ship of the Italian Marina Militare. A full-rigged ship or fully rigged ship is a sailing vessel with a sail plan of three or more masts, all of them square-rigged. [1]
[5] [6] A well-designed sail plan should be balanced, requiring only light forces on the helm to keep the sailing craft on course. The fore-and-aft center of effort on a sail plan is usually slightly behind the center of resistance of the hull, [a] so that the sailing craft will tend to turn into the wind if the helm is unattended. [7]
Generally, a yawl is a double-ended, clinker built open boat, which can be worked under sail or oar. They are considered to have Viking or Norse influence in their design. They are considered to have Viking or Norse influence in their design.