Sheer – Curvature of the uppermost continuous deck in the longitudinal direction towards the bow and stern.(Helps to keep the green sea to min in bad weather.)
Tumblehome – Inward curvature of the shell plating at the sides. This feature is rarely found on ships.
Flare – Outward curvature of the vessels bow plating.
- Helps increase buoyancy and prevent the bow from diving into the sea.
- Increase the breadth of the forecastle that provides space for mooring gears.
- Helps anchor fall clear when let go.
Frame – On side plating running vertical up and down.
Beam – under deck runs transversely
Transverse – Under decks (deck transverse) and on bottom plating (bottom transverse) but not in the double bottom, Runs transversely like a beam but much heavier than it.
Floor – Found only in double bottoms, running transversely
Stringers – On side plating and longitudinal bulkhead , Runs horizontally fore and aft .
Longitudinal – Found in Longitudinally framed ships. under the deck , on side plating, on longitudinal bulkheads, on bottom plating and under the tank top. Runs fore and aft.
Girder – Found under deck and on the bottom plating . Girders run fore and aft and are deep and heavy in construction.These are imp longitudinal strength members.
Scantlings – A ship construction term used generally to define dimensions of various structure. Used to measure breadth, length, Height, diameter, etc.