Mackerel class submarine

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USS Mackerel (SS-204)
Class overview
Builders: Electric Boat Company (Mackerel)
Portsmouth Naval Shipyard (Marlin)
Operators: United States Navy
Preceded by: Tambor class
Succeeded by: Gato class
Built: 1939–1941
In commission: 1941–1945
Completed: 2
Retired: 2
General characteristics (Mackerel)
Type: diesel and electric submarine[1]
Displacement: 825 tons (838 t) surfaced[2]
1,190 tons (1,209 t) submerged[2]
Length: 243 ft 1 in (74.1 m)[2]
Beam: 22 ft 1 in (6.7 m)[2]
Draft: 13 ft ¼ in (3.97 m)[2]
Propulsion: 2 × Electric Boat direct-drive diesel engines[1]
2 × 60-cell Sargo batteries[2]
2 × Electro Dynamic electric motors[1]
2 screws[1]
1,680 bhp (1,250 kW) surfaced[1]
1,500 bhp (1,100 kW) submerged[1]
Speed: 16 knots (30 km/h) surfaced[1]
11 knots (20 km/h) submerged[1]
Range: 6,500 nautical miles (12,000 km) at 10 knots (19 km/h) (service)[2]
Test depth: 250 feet (76 m)[2]
Complement: 4 officers, 33 enlisted[2]
Armament: 6 × 21-inch (533 mm) torpedo tubes
 (four forward, two aft)
 12 torpedoes[2]
1 × 3-inch (76 mm) / 50 caliber gun[2]
General characteristics (Marlin)
Type: Diesel-electric submarine[1]
Displacement: 800 tons (813 t) standard, surfaced[2]
1165 tons (1184 t) submerged[2]
Length: 238 ft 11 in (72.8 m)[2]
Beam: 21 ft 7¼ in (6.58 m)[2]
Draft: 13 ft ¼ in (3.97 m)[2]
Propulsion: 2 × ALCO diesel engines driving electrical generators[1]
2 × 126-cell Sargo batteries[2]
2 × General Electric electric motors[1]
2 screws[1]
1,700 bhp (1,300 kW) surfaced[1]
1,500 bhp (1,100 kW) submerged[1]
Speed: 14.5 knots (27 km/h) surfaced[2]
9 knots (17 km/h) submerged[2]
Range: 7,400 nautical miles (13,700 km) at 10 knots (19 km/h)[2]
Test depth: 250 feet (76 m)[2]
Complement: 4 officers, 34 enlisted[2]
Armament: 6 × 21-inch (533 mm) torpedo tubes
 (four forward, two aft)
 12 torpedoes[2]
1 × 3-inch (76 mm) / 50 caliber gun[2]

The Mackerel Class Submarines were two submarines built during the Second World War.

[edit] References

  1. ^ a b c d e f g h i j k l m n Bauer, K. Jack; Roberts, Stephen S. (1991). Register of Ships of the U.S. Navy, 1775-1990: Major Combatants. Westport, Connecticut: Greenwood Press, pp. 271. ISBN 0-313-26202-0. 
  2. ^ a b c d e f g h i j k l m n o p q r s t u v w x U.S. Submarines Through 1945 pp. 305-311
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