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The waterline is the line where the hull of a ship meets the surface of the water. A waterline can also refer to any line on a ship's hull that is parallel to the water's surface when the ship is afloat in a level trimmed position. Hence, waterlines are a class of "ships lines" used to denote the shape of a hull in naval architecture lines ...
The vertical/Z axis, or yaw axis, is an imaginary line running vertically through the ship and through its centre of mass. A yaw motion is a side-to side movement of the bow and stern of the ship. The transverse/Y axis, lateral axis, or pitch axis is an imaginary line running horizontally across the ship and through the centre of mass. A pitch ...
A 1:1 scale construction drawing of a boat and its parts Lines plan A scaled-down version of a full-sized drawing often including the body, plan, profile, and section views Body Plan A view of the boat from both dead ahead and dead astern split in half Plan view A view looking down on the boat from above Profile view A view of the boat from the ...
A hull is the watertight body of a ship, boat, submarine, or flying boat. The hull may open at the top (such as a dinghy), or it may be fully or partially covered with a deck. Atop the deck may be a deckhouse and other superstructures, such as a funnel, derrick, or mast. The line where the hull meets the water surface is called the waterline.
A ship's boat is a utility boat carried by a larger vessel. Ship's boats have always provided transport between the shore and other ships. Other work done by such boats has varied over time, as technology has changed. In the age of sail, especially for warships, an important role was the collection of drinking water.
3. Farther from the hull of a ship; e.g. "the larger boat was tied up alongside the ship outboard of the smaller boat". 4. Farther from the pier or shore; e.g. "the tanker and cargo ship were tied up at the pier alongside one another with the tanker outboard of the cargo ship". 5. An outboard motor. 6. A vessel fitted with an outboard motor.
Lightweight displacement – LWD – The weight or mass of the ship excluding cargo, fuel, ballast, stores, passengers, and crew, but with water in the boilers to steaming level. Loadline displacement – The weight or mass of the ship loaded to the load line or plimsoll mark. Deadweight tonnage (DWT) is a measure of how much weight a ship can ...
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 ...