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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 ...
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 ...
15 – Furling marks Edges: 3 – Luff 4 – Leech 14 – Foot Corners: 1 – Head 10 – Tack 12 – Clew SC70 RETRO's genoa overlaps the main sail and the mast. A genoa sail is a type of large jib or staysail that extends past the mast and so overlaps the main sail when viewed from the side, [1] sometimes eliminating it.
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.
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.
The boat comes equipped from the factory with hiking straps, roller furling jib, built-in flotation, a self-bailing cockpit and an anodized mast and boom. [ 3 ] The boat can be fitted with a small outboard motor for docking and maneuvering.
Brails run from the leech of a fore-and-aft rigged sail (a spanker or lateen mizzen, for example) to the gaff and mast and serve the same function as buntlines: to haul in the sail when furling. In this case, however, the action is more horizontal than vertical, hauling the sail forwards, toward the luff and a bit up, towards the gaff.