Aki 1911
| Name | No | Builder | Laid down | Launched | Comp | Fate |
| 安芸 <Aki> | Kure K K | 15/3/1906 | 15/4/1907 | 11/3/1911 | stricken 9/1923, sunk as target 2/9/1924 |
|
Displacement normal, t |
20100 |
|
Displacement full, t |
21800 |
|
Length, m |
146.9 wl 150.0 oa |
|
Breadth, m |
25.5 |
|
Draught, m |
8.40 |
|
No of shafts |
2 |
|
Machinery |
Curtis steam turbines, 15 Miyabara boilers |
|
Power, h. p. |
24000 |
|
Max speed, kn |
20 |
|
Fuel, t |
coal 3000 + oil 172 |
|
Armour, mm |
belt: 229 - 102, deck: 51 with 76-mm slopes, 12`` gun barbettes: 234 - 178, 12`` gun turrets: 203 - 178, 10`` gun barbettes: 120, 10`` gun turrets: 120, casemates: 152, CT: 152 |
|
Armament |
2 x 2 - 305/45 41-shiki, 6 x 2 - 254/45 41-shiki, 8 x 1 - 152/45 41-shiki, 12 x 1 - 76/40 41-shiki, 4 x 1 - 76/23 41-shiki, 5 - 450 TT (1 bow, 4 beam) |
|
Complement |
931 |
Ship project history: The first Japanese battleship with turbine machinery, ordered in the USA. Under the project it was supposed to arm she by 12 305mm guns, but limited production potentialities of Kure Naval Arsenal have forced to apply obsolete scheme with 254mm intermediate guns. On trials ship has made 20.25kts at 27740hp.
Ship protection: Thickness of main belt was 229mm between main gun barbettes decreasing to 127mm outside barbettes and to 102mm near ship ends. There was upper belt between main belt and casemate deck. Its thickness was 203mm between main gun barbettes decreasing fwd from fore barbette. Casemates were protected by 152mm armor. 51mm main deck connected with lower edge of main belt by 76mm slopes. 12`` turrets had 305mm faces and 203mm sides. CT had 305mm sides and 102mm roof.
Modernizations: 1916 - 1917: - 8 x 1 - 76/40; + 2 x 1 - 76/40 3-shiki AA
Naval service: Aki was disarmed after the Washington conference, converted to target and sunk on manoeuvres 2/9/1924 by battlecruiser Kongo and battleship Hyuga.
Aki 1911
© Ivan Gogin, 2008-10