Marine sails and sail handling systems are an essential part of a sailboat's equipment. Sails are the means by which a boat is propelled by the wind, and sail handling systems are the means by which the sails are raised, lowered, and adjusted. The sails themselves are made of a variety of materials, including canvas, polyester, and high-tech fibers such as Kevlar and carbon fiber. The sail handling systems include lines, fittings, and hardware that are used to control the sails. The most common type of sail handling system is a traditional mast and boom rig. The mast is a tall vertical spar that supports the sails, while the boom is a horizontal spar that extends from the bottom of the mast and supports the foot of the mainsail. The sail is attached to the mast and boom by means of lines and fittings, and is raised and lowered using a halyard. The sail can be adjusted using a variety of lines and fittings, including the mainsheet, which controls the angle of the mainsail relative to the wind. More modern sail handling systems include roller furling systems, which allow the sail to be rolled up around the mast when not in use, and electric winches, which make it easier to raise and lower the sails. These systems are particularly useful for single-handed sailors or those with limited physical strength. Sail handling systems are sold as a unit, with all the necessary lines, fittings, and hardware included. They can be purchased from a variety of manufacturers, and are available in a range of sizes and configurations to suit different types of sailboats and sailing conditions.
sailboat, mast, boom, halyard, mainsheet
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