IJN Furutaka (CL-1926+ (1937-mod))


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First cruisers designed after WW1 and improved Sendai type. The main armament was improved from the 5.5" of the Sendais' to the new 7.9" weapon, which turned out to be a disappointment in service. Also all that could be managed for the original layout was six single guns. An unwieldly and awkward armament for servicing the guns with shells.

The ships served for ten years in their original configuration but the ships were always due to be rebuilt. Thought was given to keeping with the larger 8" gun in 3 twin turrets but the number of guns worked against this. These were to be modern cruisers and the enemies they would fight in the same category would outgun them. Then the new 6.1" guns manufactured for the Mogami and Yamato class were eminently suitable for these ships. The guns fired almost as far as the 8", but they did fire faster. The secondary armament also went through various changes till it ended with five twin 5" mountings from the original 4 single 4.7". The best of the armament fitting was the two quadruple sets of 24" Long Lance torpedoes mounted on each beam. As with most Japanese cruisers of the time the four ships were fitted with aircraft handling facilities for up to 3 aircraft.


Displacement 8,500 tons std, 10,550 tons full load
Length 581 ft
Breadth 62 ft
Draught 19 ft
Machinery 4 shaft Steam turbines, 110,000shp
Speed 33 knots
Range 6,500 miles at 18 knots
Armour 3" side, 2" deck, 2" turrets.
Armament 9 x 6.1" (3x3)

10 x 5" (5x2)

30 x 25mm (8x3 6x1)

Aircraft 3
Torpedoes 8 x 24" (2x4)
Complement 640
Notes IJN Furutaka (1922-1926)

IJN Kako (1922-1926)

IJN Aoba (1924-1927)

IJN Kinugasa (1924-1927)



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