RO33 1942
| Name | No | Yard No | Builder | Laid down | Launched | Comp | Fate |
| 呂33 [RO33] | Kure K K | 8.1933 | 10.10.1934 | 10.1935 | sunk 29.8.1942 | ||
| 呂34 [RO34] | Mitsubishi, Kobe | 4.1934 | 12.12.1935 | 5.1937 | sunk 5.4.1943 |
|
Displacement standard, t |
700 |
|
Displacement normal, t |
940 / 1200 |
|
Length, m |
71.5 wl 75.7 oa |
|
Breadth, m |
6.70 |
|
Draught, m |
3.95 |
|
No of shafts |
2 |
|
Machinery |
2 Kampon diesels / 2 electric motors |
|
Power, h. p. |
2900 / 1200 |
|
Max speed, kts |
19 / 8.2 |
|
Fuel, t |
diesel oil 95 |
| Endurance, nm(kts) | 8000(12) / 90(3.5) |
| Armament |
1 x 1 - 76/40 88-shiki, 1 x 1 - 13.2/76, 4 - 533 TT (bow, 10) |
| Electronic equipment | presumably 93-shiki sonar, 93-shiki hydrophone |
|
Complement |
42 - 61 |
|
Diving depth operational, m |
75 |
Project history: Kaichu 5 (Medium Admiralty 5) type. Built under 1st Supplementary programme of 1931. Design was based on construction of Kai-Toku-Chu type submarines, but had more powerful diesels and improved hull form. Double-hulled, endurance was about 30 days.
Modernizations: None.
Naval service: RO33 was sunk 29.8.1942 at Port Moresby by Australian destroyer Arunta. RO34 5.4.1943 was sunk off Russell Island (Solomons) by US destroyers O`Bannon and Strong.
RO33
© Ivan Gogin, 2008-14