Length Between Perpendiculars


Length Between Perpendiculars (LBP) is the distance between the perpendiculars of a ship, which are imaginary lines running through the forward and aft points where the hull intersects the waterline. It is an important measurement in ship design and construction as it determines the size and capacity of the ship. LBP is used to calculate the tonnage of a vessel, which is important for determining fees, taxes, and other regulatory requirements. It is also used to determine the optimal size and shape of the ship for its intended purpose, such as cargo capacity, speed, and stability.


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