Sen-ho Class, Japanese Submarines


Photograph of Sen-ho class submarine

Wikipedia Commons

Specifications:

Tonnage

2650 tons standard displacement

Dimensions

360'10" by 33'3" by 20'1"
110.0m by 10.1m by 6.1m

Maximum speed      

15.8 knots surfaced
6.3 knots submerged

Dive to 300 feet
to 90 meters

Complement

77 crew
13 passengers

Armament

2 80mm mortars
7 25mm/60 AA guns
4 21" torpedo tubes (4 torpedoes)

Range

13,000 nautical miles (24,000 km) at 14 knots surfaced
100 nautical miles (190 km) at 3 knots submerged

Machinery
2-shaft diesel (3700 bhp) or electric (1200 shp)
Bunkerage 590 tons fuel oil
365 tons aviation gasoline
Cargo 390 tons


The Sen-hos were tanker-submarines that also served as flying boat tenders, capable of refueling and rearming three flying boats. We list only the unit that was actually completed.  Another was launched but not completed and four others planned but never laid down.


Units in the Pacific:

I-351      

Completed 1945-1-28 (Kure)      

Torpedoed 1945-7-14 near 110E 4.5N by Bluefish

References

CombinedFleet.com (accessed 2009-12-25)

Jentschura, Jung, and Mickel (1977)

Materials of IJN (accessed 2009-12-25)

Worth (2001)

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