Displacement (ship)
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The displacement or displacement tonnage of a ship is its weight. As the term indicates, it is measured indirectly, using Archimedes' principle, by first calculating the volume of water displaced by t
Draft marks, by showing how low a ship is sitting in the water, make it possible to determine displacement.
Shipboard stability computer programs can be used to calculate a vessel's displacement.
In this 1940 photo, USS Aaron Ward, left, and USS Abel P. Upshur are destroyers of comparable size, but because the latter is more heavily loaded, it sits lower, displacing more water.
Greek philosopher Archimedes having his famous bath, the birth of the theory of displacement
Naval architecture
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Naval architecture, or naval engineering, is an engineering discipline incorporating elements of mechanical, electrical, electronic, software, and safety engineering as applied to the engineering desi
Cutaway drawing of a tanker ship
Shipbuilding with steel, 1973
Naval architect at work
Cutaway of a nuclear submarine