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C2 Class, Japanese Submarines


Photograph of C2-class submarine

U.S. Navy. Via Wikimedia Commons


Specifications:


Tonnage

2184 tons standard displacement
2557 tons surfaced
3564 tons submerged

Dimensions

350'10" by 29'10" by 17'6"
106.93m by 9.09m by 5.33m

Maximum speed      

23.5 knots (surfaced)
8 knots (submerged)
Complement
95
Dive to 330 feet (100 meters)

Armament

1 5.5"/50 gun
2 25mm/60 machine guns
8 21" torpedo tubes (20 torpedoes)
Machinery
2-shaft diesel (12,400 hp) or electric (2000 hp)
Range 14,000 nautical miles (26,000 km) at 16 knots surfaced
60 nautical miles (110 km) at 3 knots submerged
Modifications
Late 1944: I-47 and I-48 modified to carry four Kaiten by removing their deck guns. Surviving units likely received Type 13 air search radar and Type 22 surface search radar.
1945: I-47 further modified to carry an additional two Kaiten.

The C2s were virtually identical to the C1s. However, they were not equipped to carry a midget submarine. Another seven units were planned but not laid down.

Some authors list the C1s as the Cs and the C2s as the C1s.


Units in the Pacific:

I-46      

Completed 1944-2-29 (Sasebo)      

Missing from 1944-10-27 off Leyte
I-47 Completed 1944-7-10 (Sasebo)      
I-48 Completed 1944-9-5 (Sasebo)       Sunk 1945-1-23 off Yap by Conklin, Corbesier and Raby


References

Boyd and Yoshida (1995)

Carpenter and Polmar (1986)

Jentschura, Jung, and Mickel (1977)

Worth (2001)

Yutaka (1962)


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