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FIGHTING SHIPS OF THE WORLD
JAPAN
SUBMARINES
YU1 small transport submarines of Japanese Army (1943 - 1944)


Ships


Name No Yard No Builder Laid down Launched Comp Fate
ゆ1 [YU1]     Hitachi, Kasado 7.1943 16.10.1943 late 1943 surrendered 8.1945, BU 1946
ゆ2 [YU2]     Hitachi, Kasado 1943 - 1944 --- --- BU incomplete 1946
ゆ3 [YU3]     Hitachi, Kasado 1943 - 1944 --- --- BU incomplete 1946
ゆ4 [YU4]     Hitachi, Kasado 1943 - 1944 --- --- BU incomplete 1946
ゆ5 [YU5]     Hitachi, Kasado 1943 - 1944 --- --- BU incomplete 1946
ゆ6 [YU6]     Hitachi, Kasado 1943 - 1944 --- --- BU incomplete 1946
ゆ7 [YU7]     Hitachi, Kasado 1943 - 1944 --- --- BU incomplete 1946
ゆ8 [YU8]     Hitachi, Kasado 1943 - 1944 --- --- BU incomplete 1946
ゆ9 [YU9]     Hitachi, Kasado 1943 - 1944 --- --- BU incomplete 1946
ゆ10 [YU10]     Hitachi, Kasado 1943 - 1944 1943 - 1944 mid-1944 surrendered 8.1945, foundered 1.1946
ゆ11 [YU11]     Hitachi, Kasado 1943 - 1944 --- --- BU incomplete 1946
ゆ12 [YU12]     Hitachi, Kasado 1943 - 1944 1943 - 1944 mid-1944 surrendered 8.1945, foundered 1.1946


Technical data


Displacement standard, t 
Displacement normal, t

273 / 370

Length, m

39.5 pp 40.9 oa

Breadth, m

3.90

Draught, m

2.95

No of shafts

1

Machinery

2 diesels / 1 electric motor

Power, h. p.

400 / 75

Max speed, kts

10 / 5

Fuel, t

diesel oil 30

Endurance, nm(kts)1500(8) / 32(4)
Armament

1 x 1 - 37/46 97-shiki

Military load40 t of cargo
Complement13
Diving depth operational, m100


Standard scale images


<i>YU1</i> 1944
YU1 1944


Project history

Maru-Yu series of IJA. These boats were built by request and on means from the budget of Imperial Japanese Army. Design was developed by army officers.

Modernizations

None.

Naval service

YU1 was lost in 1943, fate of YU2-9 and 11 is unknown. YU10 and 12 were handed over on demolition in 1947.