Japanese gunboat Ōshima
Japanese gunboat Ōshima off Kobe
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| History | |
|---|---|
 Empire of Japan
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| Name: | Ōshima |
| Ordered: | 1889 |
| Builder: | Onohama Shipyards |
| Laid down: | 29 August 1889 |
| Launched: | 14 October 1891 |
| Commissioned: | 31 March 1892 |
| Struck: | 15 June 1905 |
| Fate: | sunk in collision 18 May 1904 |
| General characteristics | |
| Type: | Gunboat |
| Displacement: | 640 long tons (650 t) |
| Length: | 53.65 m (176.0 ft) |
| Beam: | 8.0 m (26 ft 3 in) |
| Draught: | 2.75 m (9 ft 0 in) |
| Propulsion: |
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| Speed: | 13.0 knots (15.0 mph; 24.1 km/h) |
| Range: | 70 tons coal |
| Complement: | 130 |
| Armament: |
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Ōshima (大島?) was a steam gunboat, serving in the early Imperial Japanese Navy. She was named after the island of Ōshima off Shizuoka prefecture.
Ōshima was a steel-hulled three-masted gunboat with a triple-expansion reciprocating steam engine with two boilers driving two screws which gave her a speed of 13 knots (24 km/h; 15 mph). Her design was based on a modified version of the Maya class and the French naval architect Louis-Émile Bertin contributed to her design. She is noteworthy in that she was the first ship to be built in Japan with a vertical triple-expansion steam engine.
She was equipped with four 120 mm (5 in) QF guns, one each on the bow, stern, and in sponsons on either side of the hull. Secondary armament included five 47 mm (1.9 in) Hotchkiss guns. Ōshima was laid down at the Onohama Shipyards in Kobe under direction of the Kure Naval Arsenal on 29 August 1889 and launched on 14 October 1891. She was completed on 31 March 1892.
Ōshima saw combat service in the First Sino-Japanese War, during which time an additional three 120 mm (5 in) guns and an additional three 47 mm (1.9 in) guns were fitted, patrolling between Korea, Dairen and Weihaiwei in a reserve capacity in the IJN 2nd Fleet.
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