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Hull speed or displacement speed is the speed at which the wavelength of a vessel's bow wave is equal to the waterline length of the vessel. As boat speed increases from rest, the wavelength of the bow wave increases, and usually its crest-to-trough dimension (height) increases as well. When hull speed is exceeded, a vessel in displacement mode ...
2. (Usually in the plural: "bilges") The compartment at the bottom of the hull of a ship or boat where water collects and must be pumped out of the vessel; the space between the bottom hull planking and the ceiling of the hold. [2] 3. To damage the hull in the area of the bilge, usually by grounding or hitting an obstruction. 4.
One hypothetical sailing ship approach is discovering something equivalent to the parallelogram of force between wind and water which allows sails to propel a sailing ship. Picking up fuel along the way — the ramjet approach — will lose efficiency as the space craft's speed increases relative to the planetary reference.
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 ...
Container ship: Subclasses (1) Geared or gearless (as per cargo-handling type) (2) Freighter or pure container (as per passenger carrier-type) (3) Feeder or world-wide foreign-going vessel (as per trade) (4) Panamax or post-Panamax vessel (as per breadth of vessel < or > than 32.2m respectively) Built: 1956–present: In service: 9,535 ships as ...
In this sense, a ship is a vessel with three or more masts, all of which are square-rigged. For clarity, this may be referred to as a full-rigged ship or a vessel may be described as "ship-rigged". [b] Alongside this rig-specific usage, "ship" continued to have the more general meaning of a large sea-going vessel. Often the meaning can only be ...
The vessel he designed was the IXS Enterprise, named after the famed ship of the Star Trek franchise. The energy required to power the warp drive, according to White, [ 3 ] is approximately the negative (negative energy is required for the Alcubierre drive concept to function) mass–energy equivalence of Voyager 1 , which has a mass of ...
Also ship's magazine. The ammunition storage area aboard a warship. magnetic bearing An absolute bearing using magnetic north. magnetic north The direction towards the North Magnetic Pole. Varies slowly over time. maiden voyage The first voyage of a ship in its intended role, i.e. excluding trial trips. Maierform bow A V-shaped bow introduced in the late 1920s which allowed a ship to maintain ...