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Muroto-class collier
IJN collier MUROTO in 1932.jpg
Muroto in 1932
Class overview
Name: Muroto class collier
Builders: Mitsubishi Heavy Industries
Operators: Naval Ensign of Japan.svg Imperial Japanese Navy
Built: 1918 – 1919
In commission: 1918 – 1944
Planned: 2
Completed: 2
Lost: 2
General characteristics
Type: Collier
Displacement: 8,215 long tons (8,347 t) standard
8,750 long tons (8,890 t) stading
Length: 105.16 m (345 ft 0 in) Lpp
Beam: 15.24 m (50 ft 0 in)
Draught: 7.06 m (23 ft 2 in)
Propulsion: 1 × three expansion stages reciprocating engine
2 × scotch boilers
single shaft, 2,500 shp
1930
3 × Miyahara model water tube boilers
Speed: 12.5 knots (14.4 mph; 23.2 km/h)
1930
14.0 knots (16.1 mph; 25.9 km/h)
Capacity: 6,000 tons coal
Complement: 124
Armament: 1918
• 2 × 120 mm (4.7 in) L/45 naval guns
1932
• 2 × 76.2 mm (3.00 in) L/40 AA guns

The Muroto class collier (室戸型給炭艦, Muroto-gata Kyūtankan?) was a class of collier of the Imperial Japanese Navy (IJN), serving from roughly the end of World War I into World War II. Two vessels were built in 1918-19 under the Eight-four fleet plan.

Background

  • In 1917, World War I was stagnant. The lengthy war led to an increase in shipping and a shortage of merchant ships.
  • The IJN utilized steamship companies to perform coal transportation duties. However, this expedient was very costly. The IJN decided to build new colliers under the Eight-four fleet plan.
  • Their design was ordinary, because the IJN did not impose any special requirements on them.

Service

  • In the 1920s, they engaged in coal transportation duties.
  • In February 1932, the Muroto was remodeled, becoming an auxiliary hospital ship. She was refitted as a supply ship in 1941.
  • In World War II, the value of coal as fuel fell. The ships engaged in transporting goods and troops.

Ships in class

Ship Builder Laid down Launched Completed Fate
Muroto (室戸?) Mitsubishi, Kōbe Shipyard 4 July 1918 23 October 1918 7 December 1918 Sunk by USS Sea Dog at north of Amami Ōshima 29°10′N 129°44′E / 29.167°N 129.733°E / 29.167; 129.733 on 22 October 1944.
Nojima (野島?)[1] Mitsubishi, Kōbe Shipyard 16 July 1918 3 February 1919 31 March 1919 Sunk during the Battle of the Bismarck Sea on 3 March 1943.

Footnotes

  1. Ministry of the Navy (1940), p. 398

Bibliography

Nojima in 1935


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