Sponson

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Sponson

A sponson is a transverse projection on or integral to the hullform. Sponsons may occur above the waterline (such as in a towing vessel), at the waterline (such as holds the casemates on a dreadnaught), or may occur below the waterline (as seen on some cruise vessels, also torpedo belts). The functionality of the sponson is dependent upon its location, though generally the intent is to achieve the functional benefits of a larger vessel within the confines of a lower displacement.

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