Other vessels use large gantry cranes and straddle the load. Some of the largest crane vessels use fixed sheerlegs instead in these designs, the crane is cannot rotate relative to the ship, and the vessel must be manoeuvered to place loads. Many crane vessels are fitted with one or more rotating cranes. The cranes are fitted to conventional monohulls and barges, but the largest crane vessels are often catamaran or semi-submersible types which provide enhanced stability and reduced platform motion. ![]() ![]() The largest crane vessels are used for offshore construction. Lodbrok is a floating crane, here in the harbor of Ystad 2020.Ī crane vessel, crane ship, crane barge, or floating crane is a ship with a crane specialized in lifting heavy loads, typically exceeding 1,500 t (1,500 long tons 1,700 short tons) for modern ships.
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