1500 ton patrol ship

The ship's hull. It can be divided into the main part and the superstructure part. The main part generally refers to the part below the upper deck, which is a hollow body with a specific shape surrounded by the hull (bottom and side of the ship) and the upper deck. It is a key part to ensure the buoyancy, nautical performance and hull strength required by the ship, and is generally used to arrange the power plant, load cargo, store fuel and fresh water, and arrange various other cabins. The superstructure is located on the upper deck and is mainly used for the arrangement of various purposes (such as work rooms, living rooms, storage rooms, equipment rooms, etc.). The hull structure is a plate frame structure composed of plates and profiles, which can be divided into longitudinal frame structure, transverse frame structure and mixed frame structure.