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USA-17—a 90-foot-long (27 m) trimaran, type BOR90. A traditional paraw double-outrigger sailboat from the Philippines. A trimaran (or double-outrigger) is a multihull boat that comprises a main hull and two smaller outrigger hulls (or "floats") which are attached to the main hull with lateral beams.
The BOC for vessels is measured as follows: For a catamaran: the perpendicular distance from the centerline of one hull to the centerline of the other hull, measured at deck level. For a trimaran: the perpendicular distance between the centerline of the main hull and the centerline of either ama, measured at deck level. This term in typically ...
Early Sea Snarks featured an unclad one-piece injection-molded EPS hull and the hull weighed approximately 30 lbs. Later versions, marketed s the Sunflower, Super Snark and Super Sea Snark featured a vacuum formed layer of ABS (later ASA) [7] bonded over the EPS hull for a hull weight of 43 lbs. Snark Products patented the cladding process, which eliminated the possibility of voids within the ...
A multihull is a boat or ship with more than one hull, whereas a vessel with a single hull is a monohull. The most common multihulls are catamarans (with two hulls), and trimarans (with three hulls). There are other types, with four or more hulls, but such examples are very rare and tend to be specialised for particular functions. [1]
The hull has no decks, a plumb stem and transom, a transom-hung rudder controlled by a tiller and a retractable, drum-mounted centerboard. It displaces 515 lb (234 kg). [1] [3] The boat has a draft of 4.50 ft (1.37 m) with the centerboard extended and 6 in (15 cm) with it retracted, allowing beaching or ground transportation on a trailer. [1]
The hull length is 28.08 ft (8.56 m), but including the bowsprit and boomkin it is 37.75 ft (11.51 m) [1] The boat has a draft of 4.83 ft (1.47 m) with the standard keel. [1] The boat is fitted with a Swedish Volvo MD 7A diesel engine of 13 hp (10 kW) or a Japanese Yanmar diesel of 27 hp (20 kW) for docking and maneuvering. The fuel tank holds ...
The boat has a draft of 18 in (46 cm) with the daggerboard extended and 6 in (15 cm) with it retracted, allowing operation in shallow water or beaching. It can also be transported on a trailer or automobile roof. [1] [2] The design has a hull speed of 3.8 kn (7.0 km/h). [9]
The Hunter 30T is an American sailboat that was first built in 1991. [1] [2]The Hunter 30T is a development of the 1988 Hunter 30-2 design. [1] [2]The design was originally marketed by the manufacturer as the Hunter 30, but is now usually referred to as the Hunter 30T to differentiate it from the unrelated 1973 Hunter 30 design and the 30-2, which was also marketed as the Hunter 30.