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Military


Project 641 Foxtrot class

Specifications
Russian Designator:
Project 641
NATO Designator: Foxtrot-Class
Length: 299 feet, 6 inches
Beam: 24 feet, 7 inches
Draft:
20 feet
Displacement:
1,952 tons surfaced, 2,475 tons submerged
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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