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Roller furling is a method of furling (i.e. reefing) a yacht's staysail by rolling the sail around a stay. Roller furling is typically used for foresails such as jibs or genoas. [1] A mainsail may also be furled by a similar system, whereby the sail is furled within the mast or around a rotating boom (or around a rotating shaft within a boom).
The headsail of a sloop (where roller furling is not fitted) is often lashed to a guardrail or along a bowsprit. [1] [2]: 104–110 A square sail is furled by gathering it more closely to the yard than is achieved by the buntlines and clewlines and securing it to the yard with gaskets. When bending a sail onto a yard, a square sail is usually ...
On cruising sailboats, a modestly sized asymmetrical spinnaker can be tacked to a centerline bow pulpit, anchor roller or a furled headsail, and can be known by other names, like "cruising chute" or a gennaker. In this duty, it is often paired with a Spinnaker chute or "sock" for simpler or short-handed setting and retrieving.
Roller reefing rolls or wraps the sail around a wire, foil, or spar to reduce its exposure to the wind. In mainsail furling systems the sail is either wrapped around the boom by a mechanism in the gooseneck or hardware inside the boom winds it around a rotating foil. Furling systems controlled with lines led to the cockpit allow reefing without ...
A jib, left, compared to a roughly 110% genoa, right. The foretriangle is outlined in red. The term jib is the generic term for any of an assortment of headsails.The term genoa (or genny) refers to a type of jib that is larger than 100% of the foretriangle, which is the triangular area formed by the point at which the stay intersects the mast, and deck or bowsprit, and the line where the mast ...
Three years later, in 1971, Macalpine-Downie and Gibbs finished the design on the Mutineer 15. The Mutineer and Buccaneer are very similar in basic design, and include many of the same features. At the time it was designed, the Mutineer had several innovative features, including the roller furling jib, spinnaker rigging, and a foredeck launcher ...
The common use of roller-furling headsails, or genoas, on modern cruising yachts allows the jib to be reduced in size, but partially-furled sails lack the efficiency of a sail that is actually cut to a smaller size. Accordingly, it is preferable to fly a separate, smaller jib—the solent—instead.
Brails run from the leech to the spar to facilitate furling. [57] Buntlines serve to raise the foot up for shortening sail or for furling. [57] Lifts adjust the tilt of a yard, to raise or lower the ends off the horizontal. [57] Leechlines run to the leech (outer vertical edges) of a sail and serve to pull the leech both in and up when furling ...