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SS ''Savannah'' was an American hybrid sailing ship/sidewheel steamer built in 1818. She is notable for being the first steamship to cross the Atlantic Ocean, a feat that was accomplished from May to June 1819, although only a fraction of the distance was covered with the ship under steam power. The rest was sailed by wind power. In spite of her historic voyage, ''Savannah'' was not a commercial success as a steamship and was converted back into a sailing ship shortly after returning from Europe.〔 ''Savannah'' was wrecked off Long Island in 1821. No other American-owned steamship would cross the Atlantic for almost thirty years after ''Savannah'' ==Development== ''Savannah'' was originally built as a sailing packet at the New York shipyard of Fickett & Crockett. While the ship was still on the slipway, Captain Moses Rogers persuaded Scarborough & Isaacs, a wealthy shipping firm from Savannah, Georgia, to purchase the vessel, convert it to a steamship and gain the prestige of inaugurating the world's first transatlantic steamship service.〔Smithsonian, pp. 617-618.〕〔Morrison, p. 406.〕 ''Savannah'' was therefore equipped with a steam engine and paddlewheels in addition to her sails. Moses Rogers himself supervised the installation of the machinery, while his brother-in-law Steven Rogers (no blood relation) oversaw construction of the ship's hull and rigging. Given that the craft had sails and did not rely exclusively on steam engine-driven paddles, some sources contend that the first ocean-going steamship was the , launched several years later, in 1831. The ''Royal William'' was the first vessel to cross the ocean almost entirely from steam engine power.〔The First Ocean Steamship - The Story of the Steamship http://www.gjenvick.com/SteamshipArticles/TransatlanticShipsAndVoyages/StoryOfTheSteamship/1901/02-FirstOceanSteamship.html〕 Another claimant is the British-built Dutch-owned ''Curaçao'', which used steam power for several days when crossing the Atlantic both ways in 1827. 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「SS Savannah」の詳細全文を読む スポンサード リンク
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