Hog Frame


A hog frame is a structural framework used in shipbuilding to support the keel and maintain the shape of the ship during construction. It consists of a series of transverse frames that are attached to the keel and run the length of the ship. The hog frame is designed to resist the hogging forces that occur when a ship is launched and the weight of the ship causes the keel to bend upwards in the middle. The hog frame helps to distribute the weight of the ship evenly along the length of the keel, preventing it from bending or breaking. It is an essential component of any shipbuilding project and is carefully designed and constructed to ensure the safety and stability of the vessel.


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