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253-go

Ships

Name	No	Yard No	Builder	Laid down	Launched	Comp	Fate
第53号駆潜艇 [53-go], 5.1943 - 第253号駆潜特務艇 [253-go]			Fujinagata, Osaka	1.1937	15.7.1937	10.1937	tug Eisen 1651 2.1944

Technical data

Displacement standard, t	170
Displacement full, t	180
Length, m	43.2 pp 44.5 wl 45.0 oa
Breadth, m	4.80
Draught, m	1.73
No of shafts	2
Machinery	2 sets Kampon geared steam turbines, 2 Kampon boilers
Power, h. p.	3000
Max speed, kts	23
Fuel, t	oil
Endurance, nm(kts)
Armament	1 x 1 - 40/62 HI 91-shiki, 2 DCT (18)
Electronic equipment	93-shiki sonar, 93-shiki hydrophone
Complement	41

Standard scale images

Graphics

Project history

Built under 2nd Supplementary programme of 1934. In the design assignment the requirement to create smaller, comparing with Ch1 class, chaser, but not yielding to latter on efficiency, was put. One of ships (Ch53) as experiment received steam turbine propelling plant. Series has appeared unsuccessful, chasers were distinguished by bad manoeuvrability (designers corrected this lack only after aft end reconstruction and redesigning of a rudder).

Modernizations

1943: DC stowage was increased to 20 - 30.