Tuesday, 28 February 2017

American heavy cruiser/guided missile cruiser USS Columbus (CA-74 1943-1959, CG-12 1959-1977) 1943-1977

USS Wichita



Oregon City-class

Laid down by Bethlehem Steel Corporation, Fore Shipyard, Quincy Massachusetts, USA on 28 June 1943, launched by Mrs. E.G. Meyers on 30 November 1944, commissioned on 8 June 1945, decommissioned on 8 May 1959, converted by Puget Sound Naval Shipyard into an Albany-class guided missile cruiser between 30 September 1959-1 December 1962, reclassified CG-12 on 30 September 1959, recommissioned on 1 December 1963, decommissioned on 31 January 1975, stricken on 9 August 1976 and sold to Union Minerals&Alloys Corporation to be broken up on 3 October 1977 which was executed at Port Newark, New Jersey, USA.

Part of the Baltimore-class heavy cruisers consisting of the Baltimore, Boston, Canberra, Quincy, Pittsburgh, Saint Paul, Columbus, Helena, Bremerton, Fall River, Macon, Toledo, Los Angles and Chicago, preceded by the USS Wichita and succeeded by the Oregon City-class. The Baltimore-class was in fact a mix between the heavy cruiser USS Wichita and the Cleveland-class light cruisers.

General technical class specifications.
Approximately building costs of each ship was 40 million US dollars. Totally were 14 ships built. With a displacement of 14.733 (standard)-17.273 (full load) tons and as dimensions 205,26 x 21,59 x 8,18 (height mast) metres or 673’5” x 70’10” x 26’10”x 112’10”. The machinery consisted of geared steam turbines and 4 boilers allowing with the 4 screws and a horsepower of around 120.000 hp a speed of 33 knots. There were two engine rooms. With the fuel oil bunker capacity of 2.250 tons and a cruising speed of 15 knots was a range of around 10.000 nautical miles possible. The crew numbered 1.146 men (included 61 officers). The armour consisted of a 10,2cm/4”-15,cm/6” and 1,6cm/0.625” STS plating, a 5,7cm/2.25” thick deck, 15,2cm/6” thick bulkheads with the turrets, barbettes and conning tower protected by respectively 3,8cm/1.5”-20,3cm/8”, 17,8cm/7” and 15,2cm/6”. The armament consisted of 3x3-20,3cm/8” 55cal Mark 15 guns, 6x2-12,7cm/5” 39 cal Mark 12 guns, 12x4-4cm Bofors guns and 24x1-2cm Oerlikon cannons. As guided missile cruiser 2x2-RIM-8 Talos SAM launcher, 2x2 RIM-24 Tartar SAM launchers, 1-8 tube ASROC anti submarine system, 2x3-MK-32 torpedo tubes and 2-12,7cm/5” cal 38 cal guns.