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Sunday, 14 February 2016

American battleship USS Washington (BB-47) 1919-1924

Tennessee-class

Colorado-class

South Dakota-class

North Carolina-class

Library off Congress. Original link

Library off Congress. Original link

U.S. Navy. Original link

Library of Congress. Original link

Nav Source. Original link

Laid down by the New York Shipbuilding Corporation, Camden, New Jersey, USA on 30 June 1919, launched by Jean Summers on 1 September 1921, building stopped on 8 February 1922 as a result of the Washington Naval treaty and sunk by the USS New York and Texas while used as a gunnery target on 26 November 1924.

Of the Colorado-class consisting of the Colorado, Maryland, West Virginia and Washington preceded by the Tennessee-class and succeeded by the South Dakota and North Carolina-classes. General technical specifications of this class. Displacement 32.600 long tons and as dimensions 190,27 x 29,67 x 12 metres or 624.3 x 97.4 x 38 feet. Turbo-electric transmission consisting of 4-5,424kW electric motors driven by 2-2 phase turbo generators and 8 oil-fired Babcock&Wilcox water tube boilers supplying via 4 screw shafts totally 28.900 ehp allowing a speed of 21 knots. With the maximum oil bunker capacity of 4.570 tons was the range 8.000 nautical miles with a speed of 10 knots. Crew numbered 1.080 men. The armour consisted of a 20,3-34,3cm/8-13.5” thick belt, 8,9cm/3.5” thick decks with the barbettes, gun turrets and conning tower protected by respectively 33cm/13”, 12,7cm/5” (top)-22,9cm/9” (rear)-22,9/25,4cm or 9-10” (sides)-45,7cm/18” (front) and 292cm/11.5”. Original armament consisted of 4x2-41cm/16” 45 Mark 5 guns, 12/14-12,7cm/5” /51 guns, 4-7,6cm/3” guns, 2-21” torpedo tubes deck mounted; later increased with anti aircraft guns. The Colorado-class battleships were the last battleships built for the US Navy with 4 gun turrets.