Finnish minelayer Ruotsinsalmi

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Ruotsinsalmi
History
Finland
Name	Ruotsinsalmi
Namesake	Battle of Ruotsinsalmi (1790)
Builder	Wärtsilä Crichton-Vulcan, Turku
Launched	October 1940
Commissioned	1941
Decommissioned	1975
Fate	Decommissioned in 1975, scrapped in the 1990s
General characteristics
Class and type	Ruotsinsalmi-class minelayer
Displacement	310 t
Length	50.0 m (164 ft 1 in)
Beam	7.9 m (25 ft 11 in)
Draught	1.5 m (4 ft 11 in)
Propulsion	2 × Rateau diesel (835 kW (1,120 hp)) later 2 × MAN diesel (894 kW (1,199 hp))
Speed	15 knots (28 km/h; 17 mph)
Armament	[design] 1× 75 mm gun 1× 40 mm Bofors gun 2× 20 mm Madsen anti-aircraft cannons depth charge launchers 3× rails for 100 mines Smoke screen generators

Ruotsinsalmi was a minelayer of the Finnish Navy and the namesake of her class. Ruotsinsalmi was commissioned in 1940 and remained in service until 1975. The vessel was named after the battle of Ruotsinsalmi, which was fought between Sweden and Russia in 1790.