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The windward line, or guy, is attached to the corner called the tack of the sail, and is stabilized by a spinnaker pole. The leeward (downwind) line is called the sheet. It attaches to the clew of the spinnaker and is used to control the shape of the sail. The spinnaker pole must be moved in each gybe, and is quite difficult for beginners to ...
The Parasailor and Parasail are patented and trademarked variants of a spinnaker sail for yachts. They were designed for cruising couples and short-handed crews and are considered to be easy to handle and well tempered. [1] These sails make it possible to use one sail as spinnaker and Gennaker. These sails can be used between 70 and 180 degrees ...
Many modern sailboats have retractable bowsprits to enable this expansion. The asymmetrical spinnaker has a larger camber than a genoa and a Spinnaker Mid-Gerth (SMG) -- also called Spinnaker Half Width (SHW) -- measurement greater than the length of its foot (a genoa is a pin-head sail so its mid-gerth dimension is shorter than its foot).
Materials used in sails, as of the 21st Century, include nylon for spinnakers—where light weight and elastic resistance to shock load are valued—and a range of fibers, used for triangular sails, that includes Dacron, aramid fibers—including Kevlar, and other liquid crystal polymer fibers—including Vectran. [3] [1]
Combed singles yarn sailcloth in high counts is used for spinnaker and head sails. The count often is 148 by 160 and the fabric is finished at 100 cm (40 in) wide with a length-to-mass ratio of about 13.10 m/kg (6 1 ⁄ 2 yd/lb). [2]
In addition to the sails used upwind, spinnakers provide area and curvature appropriate for sailing with separated flow on downwind points of sail, analogous to parachutes, which provide both lift and drag. [79]
Listing price on eBay: $2,500 There were countless Japanese-made, cartoon-like ceramic figurines made during the 1950s, and some of the most valuable (and collectible) are vintage salt and pepper ...
A jib is a triangular sail that sets ahead of the foremast of a sailing vessel. Its forward corner is fixed to the bowsprit, to the bows, or to the deck between the bowsprit and the foremost mast. Jibs and spinnakers are the two main types of headsails on a modern boat.
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