![]() They compensate for water pressure, panting, dry docking and racking stresses.īearing Pintle – Described by being the lowest bearing point of the ship’s rudder, when the rudder is of a type which is supported within the structure of a stern frame arrangement.īitter End – The term given to the end of the ship’s anchor cable. They tend to compensate for racking stresses and localised stresses from heavyweights.īeams – These are usually in the form of ‘T’ bulb bars, ‘H’ girders or channel bars, which are designed to stiffen and support throughout the vessel’s length. It will either be a designated freshwater tank or a ballast water tank used for adjusting the ship’s trim.īeam Knees – Triangular steel plates secured between beams or half-beams and the side frames. It is shaped like a turned-over ‘A’, hence its name, where the propeller shaft is supported at the apex of the structure.Īft Peak Tank – A water tank set right aft of the vessel. ‘A’ Frame – A support structure to provide rigidity to the shaft of a twin-propeller construction.
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