![]() She represented an upgrade from the Indianas Iowa 's keel was built by William Cramp and Sons of Philadelphia, Pennsylvania on 5 August 1893,who also built the coal-burning, 11,000 indicated horsepower (8,200 kW) vertical triple expansion reciprocating engines.She carried 1,795 short tons (1,628 t) of coal. Iowa had a unique design and did not belong to a specific ship class. The preceding Indiana class, authorized by Congress as "coast-defense battleships", had many problems with endurance and speed.Ī line drawing of the Iowa (BB-04) as completed. On 19 July 1892, the Congress of the United States authorized a 9,000 long tons (9,100 t) warship specifically, it was for a "seagoing coastline battleship" to fulfill the Navy's desire for a ship that could operate effectively in open waters. There was great interest in new shipbuilding techniques and a search for stronger metal alloys, and discussion of new designs, centerboards, ventilating techniques, with active participation between private builders and naval designers. Wood-built sailing ships with cannons were replaced by steam-powered warships armored with steel. The second half of the 19th century saw radical changes in shipbuilding design. While she was an improvement over the Indiana class because of a superior design, the warship became obsolete quickly in the first quarter of the 20th century, and was used for target practice and sunk on 23 March 1923 in Panama Bay by a salvo of 14-inch shells. ![]() ![]() Iowa saw substantial action in the Spanish–American War. ![]() 4) was the first ship commissioned in honor of Iowa and is notable for being America's first seagoing battleship. ![]()
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