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"Scorpion" b-427    Russian Designator: Project 641 NATO Designator: Foxtrot-Class Manufacturer's Number: b-427 Built: 1972 Decommissioned: 1994 Length: 299 feet, 6 inches Beam: 24 feet, 7 inches Draft: 20 feet Displacement: 1,952 tons surfaced, 2,475 tons submerged Built: Sudomekh Shipyard, Leningrad Construction: 3/8 inch outer light hull comprising ballast tanks. 7/8 inch QT28 Nickel Steel pressure hull. Complement: 12 officers, 10 midshipmen, 56 seamen Maximum Diving Depth: 985 feet Speed: 16 knots surfaced, 15 knots submerged, 9 knots snorkeling Range: 20,000 miles surfaced at 8 knots 11,000 miles snorkeling 380 miles submerged at 2 knots Endurance: 3 - 5 days submerged Propulsion: 3 x Kolomna 2D42M diesel engines, 2,000 hp each. 3 x electric motors; 2 with 1,350 hp and 1 with 2,700 hp. 1 x auxiliary motor with 180 hp. 3 x propeller shafts, each with 6 bladed propellers. Torpedoes: 22 maximum Radar: Surface search: Snoop Tray; I band. Sonar: Herkules medium-frequency active/passive. Feniks passive search/attack. Electronic warfare: Stop Light, Radar Warning. Quad Loop Directional Finder. |
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