Japanese cruiser Suma
Suma in 1894
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| History | |
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 Empire of Japan
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| Name: | Suma |
| Namesake: | Suma-ku, Kobe |
| Ordered: | 1891 Fiscal Year |
| Builder: | Yokosuka Naval Arsenal, Japan |
| Laid down: | 6 August 1892 |
| Launched: | 9 March 1895 |
| Completed: | 12 December 1896 |
| Struck: | 4 April 1923 |
| Fate: | Scrapped 1928 |
| General characteristics | |
| Class and type: | Suma-class cruiser |
| Displacement: | 2,657 long tons (2,700 t) |
| Length: | 93.5 m (306 ft 9 in) w/l |
| Beam: | 12.3 m (40 ft 4 in) |
| Draught: | 4.6 m (15 ft 1 in) |
| Propulsion: | 2-shaft VTE reciprocating engines; 8 boilers; 6,250 hp (4,660 kW); 554 tons coal |
| Speed: | 20 knots (23 mph; 37 km/h) |
| Range: | 11,000 nmi (20,000 km) at 10 kn (19 km/h) |
| Complement: | 256 |
| Armament: |
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| Armour: |
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Suma (須磨?) was a protected cruiser of the Imperial Japanese Navy, designed and built by the Yokosuka Naval Arsenal in Japan. She was the lead ship in the Suma-class cruiser, and her sister ship was Akashi. The name Suma comes from a geographic location near Kobe, in Hyōgo Prefecture.
Suma was designed and built at Yokosuka Naval Arsenal, as part of an Imperial Japanese Navy program to end its dependence on foreign powers for modern warships, using an all-Japanese design and all-Japanese materials. Construction took four years, from 1892–96. She was laid down on 6 August 1892, launched on 9 March 1895 and commissioned on 12 December 1896 While more lightly armed and armored than many of the cruiser's contemporaries, her small size and relatively simple design facilitated the vessel's construction and her relatively high speed made the ship useful for many military operations. However, as with most Japanese designs of the period, she proved to be top-heavy and had issues with seaworthiness and stability.
The design for Suma was based on an all-steel, double-bottomed hull, with an armored deck, divided underneath by watertight bulkheads. The armor, of the Harvey armor variety, covered only vital areas, such as the boilers, gun magazines and critical machinery, with a thickness of 25 millimetres (0.98 in) on the deck.
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