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Chine log construction is a method of building hard-chine boat hulls. Hard chines are common in plywood hulls, while soft chines are often found on fiberglass hulls. Traditional planked hulls in most cultures are built by placing wooden planks oriented parallel to the waterflow and attached to bent wooden frames.
Chine: the part of a hull at the turn of the bilge. It may be "hard" (i.e. sharply angled) or "soft" (gradually contoured). A chine made of a single timber is known as a chine log. Cleat: a fitting designed to tie off lines. The most common form has a central anchor point and opposing protrusions for taking turns of a line. Also cam and jam cleats.
The multi-chine hull approximates a curved hull form. It has less drag than a flat-bottom boat. Multi chines are more complex to build but produce a more seaworthy hull form. They are usually displacement hulls. V or arc-bottom chine boats have a V shape between 6° and 23°. This is called the deadrise angle. The flatter shape of a 6-degree ...
The term chine originates in boatbuilding, where it applies to a sharp profile change in the hull of a boat. [note 1] In a flying boat hull or floatplane float, the longitudinal line of sharp change in cross-section where the bottom plane meets the sidewall is an example of a chine.
The Skimmer is a small, single-handed, recreational dinghy, built predominantly of wood planking. It has a catboat single-sail rig, a single chine hull, a transom-hung rudder and a pivoting centreboard keel. It displaces 300 lb (136 kg) and carries no ballast. [1] [3]
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The first hull, 515 Xiamen was completed in 1975, and mass production followed until 1996. All Jianghu class ships are armed with four SY-2 anti-ship missiles (indigenous and improved versions of initial Soviet SS-N-2 Styx). Gun armaments vary across the class, including a single 100 mm mount or a more modern Type 79 100 mm twin mounts.
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