Japanese submarine Ro-110

The Japanese submarine Ro-110 was a Ro-100-class submarine built for the Imperial Japanese Navy during World War II.

History
Empire of Japan
Name: Ro-110
Builder: Kawasaki-Kōbe Shipyard
Laid down: 20 August 1942
Launched: 26 January 1943
Completed: 6 July 1943
Fate: Sunk, 12 February 1944
General characteristics
Class and type: Ro-100-class submarine
Displacement:
  • 611 tonnes (601 long tons) surfaced
  • 795 tonnes (782 long tons) submerged
Length: 60.90 m (199 ft 10 in) overall
Beam: 6.00 m (19 ft 8 in)
Draft: 3.51 m (11 ft 6 in)
Installed power:
Propulsion:
Speed:
  • 14.2 knots (26.3 km/h; 16.3 mph) surfaced
  • 8 knots (15 km/h; 9.2 mph) submerged
Range:
  • 3,500 nmi (6,500 km; 4,000 mi) at 12 knots (22 km/h; 14 mph) surfaced
  • 60 nmi (110 km; 69 mi) at 3 knots (5.6 km/h; 3.5 mph) submerged
Test depth: 75 m (246 ft)
Crew: 38
Armament:

Design and description

The Ro-100 class was a medium-sized, coastal submarine derived from the preceding Kaichū type. They displaced 611 tonnes (601 long tons) surfaced and 795 tonnes (782 long tons) submerged. The submarines were 60.9 meters (199 ft 10 in) long, had a beam of 6 meters (19 ft 8 in) and a draft of 3.51 meters (11 ft 6 in). They had a double hull and a diving depth of 75 meters (246 ft).[1]

For surface running, the boats were powered by two 500-brake-horsepower (373 kW) diesel engines, each driving one propeller shaft. When submerged each propeller was driven by a 380-horsepower (283 kW) electric motor. They could reach 14.2 knots (26.3 km/h; 16.3 mph) on the surface and 8 knots (15 km/h; 9.2 mph) underwater. On the surface, the Ro-100s had a range of 3,500 nautical miles (6,500 km; 4,000 mi) at 12 knots (22 km/h; 14 mph); submerged, they had a range of 60 nmi (110 km; 69 mi) at 3 knots (5.6 km/h; 3.5 mph).[2]

The boats were armed with four internal bow 53.3 cm (21.0 in) torpedo tubes and carried a total of eight torpedoes. They were also armed with two single mounts for 25 mm (1 in) Type 96 anti-aircraft guns or a single 76.2 mm (3.00 in) L/40 AA gun.[3]

Construction and career

Laid down at the Kawasaki-Kōbe Shipyard on 20 August 1942, launched on 26 January 1943 and completed on 6 July 1943. Ro-110 was sunk by HMAS Launceston, HMAS Ipswich and HMIS Jumna in the Bay of Bengal on 12 February 1944 at 17°25′N 83°21′E.

Notes
  1. Carpenter & Dorr, p. 123
  2. Chesneau, p. 204
  3. Bagnasco, p. 193
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gollark: <@319753218592866315> I was interested in that!
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gollark: Also, there are probably some hardware limits.

References
  • Bagnasco, Erminio (1977). Submarines of World War Two. Annapolis, Maryland: Naval Institute Press. ISBN 0-87021-962-6.
  • Carpenter, Dorr B. & Polmar, Norman (1986). Submarines of the Imperial Japanese Navy 1904–1945. London: Conway Maritime Press. ISBN 0-85177-396-6.
  • Chesneau, Roger, ed. (1980). Conway's All the World's Fighting Ships 1922–1946. Greenwich, UK: Conway Maritime Press. ISBN 0-85177-146-7.
  • Hackett, Bob; Kingsepp, Sander (2013). "IJN Submarine RO-110: Tabular Record of Movement". SENSUIKAN! Stories and Battle Histories of the IJN's Submarines. Combinedfleet.com. Retrieved 18 August 2015.
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