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Repairs being performed on the bow thruster of the Bro Elizabeth. Positioning thrusters come in applications, Bow thrusters at the forward end of the vessel, and stern thrusters mounted aft on the boat. Their purpose is to maneuver or position the boat to a greater precision than the propulsion device can accomplish.
Graphical representation of the dimensions used to describe a ship. Length between perpendiculars (often abbreviated as p/p, p.p., pp, LPP, LBP or Length BPP) is the length of a ship along the summer load line from the forward surface of the stem, or main bow perpendicular member, to the after surface of the sternpost, or main stern perpendicular member.
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 ...
A vessel's length at the waterline (abbreviated to L.W.L) [1] is the length of a ship or boat at the level where it sits in the water (the waterline). The LWL will be shorter than the length of the boat overall (length overall or LOA) as most boats have bows and stern protrusions that make the LOA greater than the LWL. As a ship becomes more ...
Reconstruction of a 19th-century naval architect's office, Aberdeen Maritime Museum General Course of Study leading to Naval Architecture degree Naval architecture, or naval engineering, is an engineering discipline incorporating elements of mechanical, electrical, electronic, software and safety engineering as applied to the engineering design process, shipbuilding, maintenance, and operation ...
hogging, due to a wave with length equal to the ship's length, and a peak amidships (right at the middle of the length) Primary hull bending loads are generally highest near the middle of the ship, and usually very minor past halfway to the bow or stern. Primary strength calculations generally consider the midships cross section of the ship.
The ship has two fixed decks and a protective deck completely covered with wood. After the accident in 1956, the front half of the deck was given a fixed covering, which was glazed on the bow side for wind protection. The length between the stems is 80.50 m (264 ft 1 in), the overall length is given as 83.62 m (274 ft 4 in). The width on frames ...
The totally enclosed car deck has room for up to 70 cars. Headroom on the bow and stern ramps is 4.7 m (15 ft 5 in). She is equipped with a bow visor, bow ramp and stern ramp. The two-part folding bow ramp is shaped like an inverted "L". When raised, the main section plugs the access to the car deck.