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Hikitia
''Hikitia'' is a working self-propelled floating steam crane in Wellington, New Zealand. She is thought to be the only working steam crane of her type in the world. She is also the sister ship to the ''Rapaki'', formerly of the Port of Lyttelton, which is now at the New Zealand Maritime Museum. ==Engines== Twin screws are driven by surface-condensing direct-drive compound engines which were supplied with steam by a coal-fired Scotch boiler with two furnaces. A similar but oil-fired boiler replaced the original boiler in 1963. In 1980 this was also removed and the present two locally made small modern package boilers were installed. These new boilers produce less steam than the original ones.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Hikitia」の詳細全文を読む
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