What is Centre of Buoyancy of a ship?

Centre of Buoyancy of a ship is defined as being at the geometric centre of the underwater volume of the ship at a particular instant and is the point through which the total buoyancy force (B) is considered to act vertically upwards.

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The vertical position of the centre of buoyancy is termed the KB, being the vertical distance from the keel (K) to the centre of buoyancy (B).

58For a box-shaped vessel on even keel KB is half the draught.

ANKIT KUMAR SINGH