RO57 1943
| Name | No | Yard No | Builder | Laid down | Launched | Comp | Fate |
| 第46号艦 [46-go], 11.1924- 呂57 [RO57] | Mitsubishi, Kobe | 11.1920 | 3.12.1921 | 7.1922 | stricken 5.1945 | ||
| 第47号艦 [47-go], 11.1924- 呂58 [RO58] | Mitsubishi, Kobe | 11.1920 | 2.3.1922 | 11.1922 | stricken 5.1945 | ||
| 第57号艦 [57-go], 11.1924- 呂59 [RO59] | Mitsubishi, Kobe | 11.1920 | 28.6.1922 | 3.1923 | stricken 5.1945 |
|
Displacement standard, t |
889 |
|
Displacement normal, t |
897 / 1195 |
|
Length, m |
74.0 pp 76.2 oa |
|
Breadth, m |
7.20 |
|
Draught, m |
4.00 |
|
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 98 |
| Endurance, nm(kts) | 7000(10) / 85(4) |
| Armament |
1 x 1 - 76/23 41-shiki, 1 x 1 - 7.7/87, 4 - 533 TT (bow, 10) |
|
Complement |
48 |
|
Diving depth operational, m |
60 |
Project history: Vickers L(3) type. Built under the 1919 programme under Vickers licence and were structurally very similar to British L class submarines. Saddle-tank construction. Planned No48-50 submarines were cancelled in 1920 and replaced by order for minelaying submarines.
Modernizations: 1933-1934, all: - 1 x 1 - 76/23; + 1 x 1 - 76/40 88-shiki, fuel stowage can be increased to 117 t.
Naval service: All 3 submarines were used for training from 1941.
57-go 1923
© Ivan Gogin, 2008-14