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Thursday, 3 November 2016

American battleship USS Iowa (BB-4) 1892-1923

Indiana-class


USS Iowa

Kearsage-class

Preceded by the Indiana-class and succeeded by the Kearsage-class. Building of a seagoing coastline battleship authorized by the Congress on 19 July 1892, laid down by William Cramp&Sons, Philadelphia, USA on 5 August 1893, launched by M.L. Drake on 28 March 1896, commissioned on 16 June 1897, refitted on 11 June 1899, decommissioned on 30 June 1903, recommissioned on 23 December 1903, recommissioned on 2 May 1910, decommissioned on 27 May 1914, limited recommissioned on 28 April 1917, decommissioned on 31 March 1919, renamed Coast Battleship No. 4 on 30 April 1919, converted onto a radio-controlled target ship at the Philadelphia Navy Yard, stricken on 27 March 1923 and sunk in the Gulf of Panama while used as a gunnery target on 23 March 1923. Building costs 3 million US dollars.

Displacement 11/528 tons and as dimensions 11o (waterline)-110,49 (over all) x 22,02 x 8,5 (maximum) metres or 360’-362’6” x 72’3” x 28’. The machinery consisted of 2 vertical triple expansion reciprocating steam engines supplying 11.000 ihp allowing with the two screws a speed of 17 knots. Coal bunker capacity 1.628 tons. Her crew numbered 683 men. The Harvey steel made armour consisted of a 10,2cm/4”35,6cm/14” thick belt, 7,6cm/3” thick deck and with the barbettes, main gun turrets, secondary gun turrets and conning tower protected by respectively 31,8cm/12.5”-38,1cm/15”, 38,1cm/15”-43,2cm/17”, 10cm/4”-20,3cm/8” and 25,4cm/10”thick armour. The armament consisted of 2x2-30cm/12” /35 cal guns, 4x2-20cm/8” /35 cal guns, 6-10cm/4” /40 cal guns, 20-6pd guns, 4-1pd guns and 5-6pd saluting guns.