Foxtrot class submarines (Russian, 1963)

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Project 641

specifications

Displacement: 1957t surfaced; 2484t submerged
Dimensions: 89.7m wl, 91.3m oa x 7.5m x 6m
Machinery: 3 shafts; 3 diesels, 6000bhp = 16.6kts surfaced; 4 112-cell batteries, 3 motors (1-2700hp, 2-1350hp), 5400hp = 15.9kts submerged. Stores endurance 90 days
Armament: 10-533mm TT (6 bow, 4 stern)
Sensors: Radar Nakat-M; sonar Feniks-M, Arktika-M, Herkules, sonar intercept system
Complement: 75 (8 officers)