Type B-class Midget Submarine

CountryJapan
Displacement47 tons full
Length78 feet
Beam6 feet
Draft10 feet
MachineryBattery/electric?, 40hp diesel, two counter-rotating screws
Speed6 knots
Range500nm at 6 knots surfaced, 84nm at 6 knots submerged
Crew2
Armament2x457mm muzzle-loaded torpedoes

Contributor:

This article refers to the entire Type B-class; it is not about an individual vessel.

ww2dbaseJust one Ko-hyoteki Otsu Gata Type B midget submarine prototype was built in 1942 to test improvements to the Type A. Some sources suggest that a few Type A's were retrofitted into Type B's, but sources conflict.

ww2dbaseSOurces: Sources: Wikipedia; Naval History & Heritage Command; Combined Fleet.

Last Major Revision: Feb 2009


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BL 15 in coastal gun of the Wanstone Battery, St Margaret-at-Cliffe, England, United Kingdom, 18 May 1942, photo 2 of 2


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