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For a foresail this may be the stemhead or, in some boats, one of a choice of hooks set along each gunwale. The dipping lug is a powerful sail and was widely used in working craft. [2]: 36 Standing lug: The sail and yard remain on one side of the mast and the tack of the sail is set close to the mast. When the wind blows onto the side of the ...
Lapping is a machining process in which two surfaces are rubbed together with an abrasive between them, by hand movement or using a machine. Lapping often follows other subtractive processes with more aggressive material removal as a first step, such as milling and/or grinding .
The Keying was a Chinese ship that employed a junk sailing rig. Scale model of a Tagalog outrigger ship with junk sails from Manila, 19th century. The junk rig, also known as the Chinese lugsail, Chinese balanced lug sail, or sampan rig, is a type of sail rig in which rigid members, called battens, span the full width of the sail and extend the sail forward of the mast.
New ship being prepared for launch, showing fresh anti-fouling paint Ship hull being cleaned of fouling in drydock. Anti-fouling paint is a specialized category of coatings applied as the outer (outboard) layer to the hull of a ship or boat, to slow the growth of and facilitate detachment of subaquatic organisms that attach to the hull and can affect a vessel's performance and durability.
Boat building is the design and construction of boats (instead of the larger ships) — and their on-board systems. This includes at minimum the construction of a hull , with any necessary propulsion, mechanical, navigation, safety and other service systems as the craft requires.
Four-oared yal of Boat-Base Monterey sailing in Moss Landing, California, 2002. Length – 5.26 m Width – 1.61 m This yal is able to carry up to eight people. The four-oared yal is rigged with a split-lug sail on a single mast, and sometimes can be supplied with outboard motor. Often referred to as a "gig" (gichka in Russian).
Bucket of pitch for use on ships. Pitch, a traditional naval store, was traditionally used to help caulk the seams of wooden sailing vessels (see shipbuilding).Other important historic uses included coating earthenware vessels for the preservation of wine, waterproofing wooden containers, and making torches.
The English word "catamaran" is derived from the Tamil word, kattumaram (கட்டுமரம்), which means "logs bound together". However, the original kattumaram did not refer to double-hulled boats at all, but to a type of single-hulled raft of the Tamil people made of three to seven tree trunks lashed together.