Nautical Term: Cant frames

Definition of Cant frames

Cant frames, also referred to as bulb frames or bulb angles, are the frames located at the stern (rear) end of a ship. These frames are centered, meaning they rise obliquely from the keel, rather than being parallel to the keel. This design provides additional buoyancy and underwater lifting force, improving the overall stability and performance of the ship.

For example, in the construction of a large ocean liner, the design team would meticulously plan and calculate the ideal placement and dimensions of the cant frames to ensure maximum efficiency and performance for the completed vessel.

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