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strake
A strake is part of the shell of the hull of a boat or ship which, in conjunction with the other strakes, keeps the sea out and the vessel afloat. It is a strip of planking in a wooden vessel or of plating in a metal one, running longitudinally along the vessel's side, bottom or the turn of the bilge, usually from one end of the vessel to the other. On a longboat, one strake will typically be made up of numerous planks running end to end. == Special strakes ==
The strake immediately adjacent to the keel is known as the ''garboard strake''. There are two, one on each side of the keel. The uppermost continuous strake along the topsides is called the ''sheer strake''. In old vessels, a rubbing strake was built in just below a carvel sheer strake. It was much less broad but thicker than other strakes so that it projected and took any rubbing against piers or other boats when the boat was in use. In clinker boats, the rubbing strake was applied to the outside of the sheer strake. The strakes adjacent to the garboard are referred to accordingly as the first broad and second broad. Each strake thereafter has its own special name such as bottom strakes, lowers, bilge strakes, topside strakes, and uppers. Many current pleasure craft reflect this history by providing the boat with a mechanically attached (and therefore replaceable) rub rail at the location formerly occupied by a rubbing strake, often doubling to cover the joint between a GRP hull and its innerliner. A stealer is a short strake employed to reduce the width of plank required where the girth of the hull increases or is necessary due to a tuck in the shape. It is commonly employed in carvel and iron/steel shipbuilding, but there are very few, possibly only one type of, clinker craft that use them.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「strake」の詳細全文を読む
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