Wilk-class submarine

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Class overview
Name: Wilk
In commission: 12 April 1929 - 1955
Completed: 3
Lost: 0
General characteristics (at 1 September 1939)
Type: submarine
Displacement: 980 tons (surfaced)
1,250 tons (submerged)
Length: 78.5 m (257 ft 7 in)
Beam: 5.9 m (19 ft 4 in)
Draught: 4.2 m (13 ft 9 in)
Propulsion: Diesel-Vickers diesel: 1,800 hp (1,300 kW)
electric engines: 1,200 hp (890 kW)
Speed: 14.5 knots (26.9 km/h; 16.7 mph) surface
9.5 knots (17.6 km/h; 10.9 mph) submerged
Range: 3,500 nautical miles (6,500 km; 4,000 mi) @ 10 knots (19 km/h; 12 mph)
100 nautical miles (190 km; 120 mi) @ 5 knots (9.3 km/h; 5.8 mph) submerged
Complement: 46–54
Armament: 1 × 100 mm (3.9 in) deck gun
2 × 13.2 mm (0.52 in) deck anti-aircraft heavy machine guns (mounted in place of 40 mm gun from 1935 onwards)
4 × 550 mm (22 in) torpedo tubes, bow
2 × 550 mm (22 in) (twin) rotating torpedo tubes, midship
16 × 550 mm (22 in) torpedoes (6 in tubes and 10 reloads)
40 × mines
Notes: Ships in class include:

Wilk class submarines of the Polish Navy included three boats: ORP Wilk, ORP Ryś and ORP Żbik. They served from 1931 until 1955. The boats were built in France.

The class design was based on that of the French submarine Pierre Chailley, which had been laid down in 1917 and was in service from 1923 to 1936.

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