Katsuragi-class corvette
Katsuragi in 1897
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| Class overview | |
|---|---|
| Name: | Katsuragi-class corvette |
| Operators: |
 Imperial Japanese Navy
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| Built: | 1883-1888 |
| In commission: | 1887-1935 |
| Completed: | 3 |
| Lost: | 0 |
| Scrapped: | 1 |
| General characteristics | |
| Type: | Steam corvette |
| Displacement: | 1,500 t (1,476 long tons) |
| Length: | 62.78 m (206 ft 0 in) |
| Beam: | 10.7 m (35 ft 1 in) |
| Draft: | 4.6 m (15 ft 1 in) |
| Installed power: | 1,622 ihp (1,210 kW) |
| Propulsion: |
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| Sail plan: | Barque-rigged sloop (3 × masts) |
| Speed: | 13 kn (24 km/h; 15 mph) |
| Capacity: | 132 t (146 short tons) coal |
| Complement: | 231 |
| Armament: |
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The Katsuragi class (葛城型スループ Katsuragi-gata suru-pu?) was a three-ship class of composite hulled, sail-and-steam corvettes of the early Imperial Japanese Navy.
The Katsuragi vessels were designed as iron-ribbed, wooden-hulled, three-masted barque-rigged sloops-of-war, with a basic design based on experience gained in building Kaimon and Tenryū sloops. The planking was a combination of teak and native keyaki wood. The Katsuragi-class ships had an overall length of 61.37 metres (201.3 ft), a beam of 10.76 metres (35.3 ft), and a normal draught of 4.65 metres (15.3 ft). They displaced 1,502 long tons (1,526 t) at normal load. The crew numbered about 231 officers and enlisted men.
Propulsion was by a coal-fired double-expansion reciprocating steam engine with six cylindrical boilers driving a double screw. The engines were rated at 1,600 indicated horsepower (1,200 kW), and designed to reach a top speed of 13 knots (24 km/h; 15 mph).
The Katsuragi-class ships were armed with two Krupp 170 mm (6.7 in) Krupp breech-loading guns, five 120 mm (4.7 in) Krupp breech-loading guns, one 80 mm (3.1 in) Krupp QF gun, four quadruple 1-inch Nordenfelt guns and 380 mm (15 in) torpedo tubes. A major improvement over previous Japanese corvette designs was the use of recessed gun ports, which allowed the two forward guns to fire on a forward arc instead of only on a broadside.
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