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Wednesday 15 March 2023

Japanese medium class submarines RO-100 – RO-117 built in 1942

Displacement of 525 (standard)-601 (normal)-618 (emergency)-782 submerged tons and as dimensions 60.9 x 6.0 x 3.51 metres. Submerged endurance 20 hours/3 knots. Submergence depth 75 metres. Submergence time 60 seconds. Speed 14.2 (surfaced)-8 (submerged) knots. Range 4,000 nautical miles/about 12 knots. Armament 4 torpedo tubes forward. Battery 6,000 AH-120 cells-240 V. Engines 4 cycle-1,100 ship horsepower.

Source  

U.S. Naval Technical Mission to Japan. Report S-01-1 Characteristics of Japanese naval vessels article 1 submarines. Dated January 1946.

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