SEAM bag O Na Topic Flashcards
A perpendicular drawn to the waterline at the point where the aft side of the rudder post meets the summer load line. Where no rudder post is fitted it is taken as the centre line of the rudder stock.
After perpendicular
A perpendicular drawn to the waterline at the point where the foreside of the stern meets the summer load line.
Forward perpendicular
A point midway between the after and forward perpendiculars.
Amidships
Length of vessel taken over all extremities.
Length Overall (LOA)
are often referred to; these are taken to the inside of plating on a metal ship.
Moulded dimensions
A horizontal line drawn at the top of the keel plate. All vertical molded dimensions are measured relative to this line.
Base line
Measured from the base line to the summer load line at the midship section.
Moulded draft
Measured from the base line to the heel of the upper deck beam at the ship’s side amidships.
Moulded depth
the distance or measurement from side to side of the vessel.
Breadth
is the forward deck of the ship
Forecastle
Refer to the assembled length, breadth, and depth of the vessel.
Ship dimension and form- Ship Construction
The lower end of the frame may be connected to the tank top or hopper side tank by means of a flanged or edge- stiffened.
Tank side bracket
ship construction that is used to reduce a ship’s tendency to roll.
Bilge keel
measure of the distance from the extreme bottom of the vessel to the main deck, bulkhead, or weather deck
Depth
The construction be sloped at the side to form a bilge for drainage Purposes
Inner bottom plating