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Wednesday, 12 October 2016

Japanese armoured cruiser Asama 1896-1947


Of the Asama-class consisted of the Asama and Tokiwa, succeeded by the Izumo class. Built under the 1896 Naval Expansion Plan. Contract signed not earlier as on 6 July 1897, laid down at Armstrong Whitworth, United Kingdom at own risk on 20 October 1896, launched on 21 March 1898, completed on 18 March 1899, reclassified as a 1st coastal defence ship on 1 September 1921, training ship since 1922, stationary training ship since 5 July 1938, decommissioned on 30 November 1945 and broken up at the Innoshima shipyard, Hitachi Zosen Corporation between 15 August 1946-25 March 1947.

Displacement 9.710-Normal load)-10.519 )full load) tons and as dimensions 124,36 (between perpendiculars)-134,72 (over all) x 20,48 x 7,43 (average) metres or 408.0-442.0’ x 67.2’x 24.5’. Crew numbered 676 men (included officers). The machinery consisted of 2-4 cylinder triple expansion steam engines driving 2 shafts and 12 coal fuelled cylindrical boilers allowing with the 18.000 (design)-19.000 (trials) ihp a speed of 22 (design)-22,07 (trials). With a speed of 10 knots and a coal bunker capacity of 1.410 tons was her range 10.000 nautical miles. The armament consisted of 2x2-20,3cm/8” /45 Type 41 guns in turrets arranged fore and aft the superstructure, 14x1-15,2cm/6” /40 quick firing naval guns, 12z1-12pd 12cwt quick firing naval guns, 8x1-3pd Hotchkiss quick firing guns and 5x1-45,7c,/18” torpedo tubes (1xbow surfaced 2x2 submerged sides). The Harvey made armour consisted of a 8,9xm/3.5” (ends)-17,8cm/7” (amidships) waterline belt over her complete length, 2,13“metres/7.0” height of which 1,52metres/5.0” submerged 12,8cm/5.0” armoured bulkheads at both ends of the centre citadel, 5,1cm.2.0” thick deck with the turrets, barbette, casemate and conning tower protected by respectively 16cm/6.3”, 15,2cm/6.0”, 5,1cm/20”-16,2cm/6.0” and 35,6cm/14.0”.