Zulu class submarine

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A Zulu class submarine

Zulu class submarine
Project 611

Career Soviet naval pennant
Ordered: 1950
Laid down: 1951
Launched: 1951
Commissioned: 1952
General Characteristics
Length 90 m (295 ft)
Beam 7.5 m
Draft 5.14 m
Displacement 1875 tons surfaced
2387 tons submerged
Propulsion 3 diesel engines (6000 hp)
3 electric motors (5400 hp)
Complement 70 officers and men
Armament: 6 bow and 4 stern 533-mm (21-inch) torpedo tubes
22 torpedoes
6 of the submarines were equipped with F-11FM Scud missiles
Speed Surfaced: 18 knots (33,34 km/h)
Submerged: 16 knots (29,63 km/h)
Maximum Depth 200 m (656 ft)
Range 20,000 nm (37,040 km) surfaced

The Soviet Navy's Project 611, also known by their NATO reporting name of Zulu-class, were designed as attack submarines, but six were converted to become the world's first ballistic missile submarines, one armed with a single F-11FM Scud missile and five others with two Scuds each. The missiles were too long to be contained in the boat's hull, and extended into the enlarged sail. Soviet submarine B-67 successfully launched a missile on 16 September 1955.

The design was influenced by the German Type XXI U-boat of the World War II era.

The success of the converted Zulus prompted the design of Project 629, the Golf class submarines.

A total of 26 boats were built, the first entering service in 1952.

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