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Ch-1 Class, Japanese Submarine Chasers


Photograph of Ch-1 class submarine chaser

Wikimedia Commons


Specifications:


Tonnage 376 tons standard
Dimensions
210'0" by 19'5" by 4'8"
64.00m by 5.92m by 1.42m
Maximum speed       21.1 knots
Complement 45
Armament
2 40mm AA guns
2 light machine guns
36 depth charges (2 depth charge throwers)
Machinery
2-shaft diesel (3400 shp)
Range
1500 nautical miles (2800 km) at 14 knots
Modifications
1944: Light machine guns replaced by 2x3 25mm/60 AA guns

The Ch-1s were completed in 1934 as submarine chasers. They were the smallest combatants in the Japanese Fleet. After the Tomozuru disaster, they were rebuilt with greater weight, lesser speed, but better stability.


Units in the Pacific:

Ch-1     
With 1 Surprise Attack Force     

Ch-2
With 1 Surprise Attack Force      Torpedoed 1945-6-27 off Lombok by Blueback

References

CombinedFleet.com (accessed 2009-10-19)

Jentschura, Jung, and Mickel (1977)

Materials of IJN (accessed 2009-10-19)

Morison (1948)

Worth (2001)



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