25-go 1921
| Name | No | Yard No | Builder | Laid down | Launched | Comp | Fate |
| 第25号艦 [25-go], 11.1924- 呂51 [RO51] | Mitsubishi, Kobe | 11.1918 | 25.10.1919 | 6.1920 | stricken 1940 | ||
| 第26号艦 [26-go], 11.1924- 呂52 [RO52] | Mitsubishi, Kobe | 11.1918 | 9.3.1920 | 11.1920 | stricken 4.1932 |
|
Displacement standard, t |
|
|
Displacement normal, t |
893 / 1195 |
|
Length, m |
67.1 pp 70.6 oa |
|
Breadth, m |
7.20 |
|
Draught, m |
3.90 |
|
No of shafts |
2 |
|
Machinery |
2 Vickers diesels / 2 electric motors |
|
Power, h. p. |
2400 / 1600 |
|
Max speed, kts |
17 / 8 |
|
Fuel, t |
diesel oil 75 |
| Endurance, nm(kts) | 5500(10) / 80(4) |
| Armament |
1 x 1 - 76/23 41-shiki, 1 x 1 - 7.7/87, 6 - 450 TT (4 bow, 2 beam, 10) |
|
Complement |
48 |
|
Diving depth operational, m |
60 |
Project history: Vickers L(1) type. Built in Japan under Vickers drawings under 1917 programme and were structurally similar to British submarines of L type. Order on their building has been concluded in late 1917, however they have commissioned very late after war. Double-hulled.
Modernizations: None.
Naval service: 26-go was sunk 29.10.1923 in cause of human error, salvaged 17.11.1923 and repaired.
RO51
© Ivan Gogin, 2008-14