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USS ''Winnebago'' was a double-turret river monitor, named for the Winnebago tribe of Siouan Indians, built for the Union Navy during the American Civil War. The ship participated in the Battle of Mobile Bay in 1864, during which she was lightly damaged, and the bombardments of Forts Gaines and Morgan as Union troops besieged the fortifications defending the bay. In early 1865, ''Winnebago'' again supported Union forces during the Mobile Campaign as they attacked Confederate fortifications defending the city of Mobile, Alabama. She was placed in reserve after the end of the war and sold in 1874. ==Description== ''Winnebago'' was long overall and had a beam of .〔 The ship had a depth of hold of 〔Canney, p. 114〕 and a draft of . She was 970 tons burthen〔 and displaced .〔Chesneau & Kolesnik, p. 123〕 Her crew numbered 138 officers and enlisted men.〔Silverstone, p. 111〕 The ship was powered by two 2-cylinder horizontal non-condensing steam engines, each driving two propellers, using steam generated by seven tubular boilers. The engines were designed to reach a top speed of . ''Chickasaw'' carried of coal.〔 The ship's main armament consisted of four smoothbore, muzzle-loading 11-inch Dahlgren guns mounted in two twin-gun turrets.〔 Her forward turret was designed by James Eads and her rear turret by John Ericsson.〔 Each gun weighed approximately and could fire a shell up to a range of at an elevation of +15°.〔Olmstead, et al, p. 90〕 The cylindrical turrets were protected by eight layers of wrought iron plates. The sides of the hull consisted of three layers of one-inch plates, backed by of pine. The deck was heavily cambered to allow headroom for the crew on such a shallow draft and it consisted of iron plates thick. The pilothouse, positioned behind and above the fore turret, was protected by of armor.〔Canney, pp. 114–16〕 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「USS Winnebago (1863)」の詳細全文を読む スポンサード リンク
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