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The crab claw sail is a fore-and-aft triangular sail with spars along upper and lower edges. The crab claw sail was first developed by the Austronesian peoples by at least 2000 BCE. It is used in many traditional Austronesian cultures in Island Southeast Asia, Micronesia, Island Melanesia, Polynesia, and Madagascar.
Fore-and-aft rigged sails include staysails, Bermuda rigged sails, gaff rigged sails, gaff sails, gunter rig, lateen sails, lug sails, tanja sails, the spanker sail on a square rig, and crab claw sails. Fore-and-aft rigs include: Rigs with one mast: the proa, the catboat, the sloop, the cutter; Rigs with two masts: the ketch, the yawl; Rigs ...
The mast usually hinges, adjusting the rake or angle of the mast. The crab claw configuration used on these vessels is a low-stress rig, which can be built with simple tools and low-tech materials, but it is extremely fast. On a beam reach, it may be the fastest simple rig. Crab claw examples
Many mast-aft rigs utilize a small mainsail and multiple staysails that can resemble some cutter rigs. A cutter is a single masted vessel, differentiated from a sloop either by the number of staysails, with a sloop having one and a cutter more than one, or by the position of the mast, with a cutter's mast being located between 50% and 70% of the way from the aft to the front of the sailplan ...
They are traditionally fitted with Austronesian sails, like the crab claw sails and tanja sails, but in modern times are often fitted with petrol engines. Single-outrigger canoes from Polynesia Unlike a single-hulled vessel, an outrigger or double-hull vessel generates stability as a result of the distance between its hulls rather than due to ...
Such a vessel is said to have a ship rig or be ship-rigged, with each mast stepped in three segments: lower, top, and topgallant. [ 2 ] [ 3 ] [ 4 ] Other large, multi-masted sailing vessels may be regarded as "ships" while lacking one of the elements of a full-rigged ship, such as having one or more masts support only a fore-and-aft sail or a ...
V-shaped square rigs with two spars that come together at the hull were the ancestral sailing rig of the Austronesian peoples before they developed the fore-and-aft crab claw, tanja and junk rigs. [11] The date of introduction of these later Austronesian sails is disputed. [12]
Bigiw with tanja, crab claw, and spritsails from the Island Garden City of Samal, Davao del Norte. Bigiw is a small double-outrigger sailboat native to the islands of Mindanao (particularly in the Island Garden City of Samal), Visayas, and Palawan in the Philippines. It is used for personal transport or small-scale fishing and can hold one to ...