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1. A position half way along the length of a ship or boat. [14] 2. A position half way between the port and starboard sides of a ship or boat, as in "helm amidships", when the rudder is in line with the keel. [14] ammunition ship A naval auxiliary ship specifically configured to carry ammunition, usually for combatant ships and aircraft.
Most were about 4 metres (13 ft) long and stepped hulls were employed with a 75-millimetre (3.0 in) step to induce air under the hull, to enable the boat to float on air bubbles. The principle behind 'planing' was not fully understood. Thus, hulls were flat bottomed with an upward curve at the bow and the step 2 ⁄ 3 of the way aft. The sheer ...
The boat has a draft of 3.37 ft (1.03 m) with the standard keel. [1] [3] The boat is normally fitted with a small 4 to 6 hp (3 to 4 kW) outboard motor mounted in a stern well, for docking and maneuvering. [1] [3] The design has sleeping accommodation for either two or four people, depending on version.
2. (more precisely, as used in inland waters) to propel a boat with oars, where each rower uses just one oar. On inland waters, one person using two oars, one on each side of the boat, is termed sculling [35]: 135 rowlock 1. The cutout in the washstrake of a boat into which an oar is placed, so providing a fulcrum when the oar is in use. [47]
Seamanship is the art, competence, and knowledge of operating a ship, boat or other craft on water. [1] The Oxford Dictionary states that seamanship is "The skill, techniques, or practice of handling a ship or boat at sea." [2]
Human-powered watercraft are watercraft propelled only by human power, instead of being propelled by wind power (via one or more sails) or an engine. The three main methods of exerting human power are: directly from the hands or feet, sometimes aided by swimfins; through hand-operated oars, paddles, or poles, or;
Oval in shape and very similar to half a walnut shell, the coracle has a keel-less flat bottom to evenly spread the load across the structure and to reduce the required depth of water; often to only a few inches. This structure helps to make the boat more maneuverable and less likely to snag when used on narrow and/or shallow slow-running ...
Sailing hydrofoils achieve boat speeds up to twice the speed of the wind, as did the AC72 catamarans used for the 2013 America's Cup. [20] Ice boats can sail up to five times the speed of the wind. [21] [22] Lateral force is a reaction supplied by the underwater shape of a sailboat, the blades of an ice boat and the wheels of a land sailing craft.