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Washington (steamboat 1851)
''Washington'' was an early steamboat operated in the states of California and Oregon. ''Washington'' was built in California and was initially operated on the Sacramento River. In 1851, the steamer was purchased and brought on a ship to the Oregon Territory, where it was operated on the Willamette River until the summer of 1853. ''Washington'' was sold again, and then transferred to the Oregon coast, where it operated on the Umpqua River, on the Coquille River and on Coos Bay. ''Washington'' was able to operate for shorter distances over the open ocean along the Oregon coast. The steamer was wrecked by a boiler explosion in December 1857, near Scottsburg, O.T., on the Umpqua river.
==Design==
''Washington'' had an iron hull and driven by twin propellers.〔〔 It was capable of operating with a single propeller if one was damaged. ''Washington'' was 40 feet long with a beam of 8 feet and a depth of hold of 4 feet.〔
〕 Overall size of the ''Washington'' was 20 tons.〔 It was manufactured in Philadelphia and shipped out to the west coast of the United States.〔
Propeller-driven vessels operated at a disadvantage on the Willamette. Sidewheel steamers did better in shallow water, as was often encountered on the upper Willamette and its navigable tributaries.〔 Propellers had to be submerged to furnish power, and there was always the potential in low water of striking obstruction on the river bottom, which happened to the ''Washington'' at least once, in September 1851, on the lower Willamette river.〔〔 This was less of a danger to the side-wheelers.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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