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Tuesday 18 April 2017

US Navy testing new 35,6cm K/45 naval guns according to the Dutch magazine Marineblad dated 1914-1915 no. 4

Nevada-class

Pennsylvania-class

An item referred to the magazine Scientific America dated 9 May 1914 which reported that for the USS Nevada (1), Pennsylvania (2) and so on new 35,6cm L/45 guns were made with a weight of 64,4 ton firing a 635 kilo heavy shell able to pierce a 40,6cm thick Krupp armour over a distance of 9 kilometres.

Notes
1. Of the Nevada-class consisting of the USS Nevada (BB-36) and Oklahoma (BB-37) preceded by the New York-class and succeeded by the Pennsylvania-class. Building approved on 4 March 1911. Contract signed on 22 January 1912 with an additional on 31 July 1912. Laid down by Fore River Shipbuilding Company, Quincy, Massachusetts, USA on 9 November 1912, launched on 11 July 1914, sponsored by Eleanor Anne Seibert, commissioned on 20 September 1916, modernized at the Norfolk Navy Yard included replacement of her direct drive by geared steam turbines and replacing her 12 by just 6 boilers between August 1927-January 1930, damaged by the Japanese air attack on Pearl Harbor, Hawaii on 7 December 1941, repairs completed in October 1942, decommissioned on 29 August 1946, sunk while used as a target on 31 July 1948 and stricken on 12 August 1948. Building costs 5.895.000 US dollars.
2. Part of the Pennsylvania-class consisting of the Pennsylvania and Arizona, preceded by the Nevada-class and succeeded by the New Mexico-class. To be built under the 1913 fiscal year was a design asked with 4x3-14” guns, 22-12,7cm/5” guns and a speed of 21 knots and a armour comparable with that of the Nevada-class. At least 10 preliminary designs were proposed of which the 7th was chosen and further worked out. Building ordered on 22 August 1912, laid down by Newport News Shipbuilding and Drydock Company, Newport News on 27 October 1913, launched on 16 March 1915, sponsored by Elizabeth Kolb, commissioned on 12 June 1916, modernized at the Philadelphia Navy Yard 1 June 1929-1931, used during Operation Crossroads nuclear bombs tests at Bikini in July 1946, towed to and decommissioned at Kwajalein Lagoon 29 August 1946, sunk off Kwajalein Atoll on 10 February 1948 and stricken on 19 February 1948.