Morzh-class submarine

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Russian submarine Morzh
Class overview
Name	Morzh class
Builders	Nikolayev Dockyard
Operators	Imperial Russian Navy  Soviet Navy
Succeeded by	Bars class
In commission	1914–1931
Completed	3
Lost	1
Scrapped	2
General characteristics
Type	Submarine
Displacement	630 long tons (640 t) surfaced 760 long tons (770 t) submerged
Length	67 m (219 ft 10 in)
Beam	4.5 m (14 ft 9 in)
Draft	3.9 m (12 ft 10 in)
Propulsion	Diesel-electric 500 hp (370 kW) diesel engine 800 hp (600 kW) electric motor 2 shafts
Speed	10.8 knots (20.0 km/h) surfaced 8 knots (15 km/h) submerged
Range	2,500 nmi (4,600 km)
Complement	47
Armament	1 × 57 mm (2 in) or 47 mm (2 in) gun 4 × 457 mm (18 in) torpedo tubes 8 × torpedoes in Dzhevetskiy drop collars (later removed)

The Morzh-class submarines (Russian: Подводные лодки типа «Морж», lit. 'walrus') were built for the Black Sea Fleet of the Imperial Russian Navy shortly before World War I.