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fighting ships of the world

IMPERIAL JAPANESE NAVY (JAPAN)

SUBMARINES

"Kaichu 5" coastal submarines (1935-1937)

RO33 1942

Name No Yard No Builder Laid down Launched Comp Fate
33 <RO33>     Kure K K 8/1933 10/10/1934 10/1935 sunk 29/8/1942
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)

Sensors presumably 93-shiki sonar, 93-shiki hydrophone

Complement

42 - 61

Diving depth operational, m

75

Ship 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