Nautical Term: Bolster plate
Definition of Bolster plate
A bolster plate is a supportive plate affixed next to a ship’s hawse hole. Its primary function is to protect the ship’s bow from chafing, caused by the constant rubbing of ropes against the hull. In essence, a bolster plate acts like a cushion or pillow, providing a protective barrier between the ship’s bow and the harsh elements at sea.
For instance, imagine a large cargo ship navigating through the rough waters of the North Atlantic. As the ship plows through the waves, its powerful anchors and mooring ropes are subjected to immense pressure and stress.
To protect the ship’s hull and bow from the constant chafing and wear caused by the ropes, the ship’s builders have installed a set of sturdy bolster plates next to the hawse hole. These protective plates act as a buffer between the ship’s hull and the ropes, reducing the amount of chafing and wear on the hull.
Thus, through the use of bolster plates, shipbuilders and shipowners can ensure that their vessels remain protected from the damaging effects of chafing and wear caused by mooring
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