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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 ...
[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]
Hull form lines, lengthwise and in cross-section from a 1781 plan Hull shapes for sailing ships evolved from being relatively short and blunt to being longer and finer at the bow. [ 36 ] [ obsolete source ] By the nineteenth century, ships were built with reference to a half model, made from wooden layers that were pinned together.
Early Sailfish were offered in the form of boat plans for the backyard boat builder along with an option to purchase the boat from the Alcort shop, fully assembled and ready to sail. In the beginning, do-it-yourself boat builders crafted every piece, formed and assembled all the hardware from raw metal stock, and even sewed their own 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.
The Zephyr was designed by Auckland New Zealand yacht designer Des Townson in 1956.. Des built all the first hulls himself (numbers 1 to 233) in Pinus Radiata veneer, off the same mould, even though many were completed by their owners to the strict one design rules of the class.
Falmouth working boats have a gaff cutter rig and a long keel hull. As well as being general purpose fishing boats they have a specific function of dredging the native oysters (Ostrea edulis). In the summer months they are intensively raced, forming a colourful spectacle in the Cornish inshore waters. Sail Plan of a Falmouth Working Boat
The hull shape and sail plan are tightly controlled, while the spars, foils and rigging are more open which allows the boat's rig and controls to be set up to the preferences of the crew, rather than dictated by the class rules.