Mackerel class submarine
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This article is about the U.S. Navy Mackerel-class submarines built in 1939-1941. For the class of U.S. Navy submarines built in 1952-1953, the lead ship of which later was renamed Mackerel, see T-1 class submarine.
 USS Mackerel (SS-204) |
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| 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 (74.09 m)[2] |
| Beam: | 22 ft 1 in (6.73 m)[2] |
| Draft: | 13 ft ¼ in (3.969 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 ft (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 (72.82 m)[2] |
| Beam: | 21 ft 7 1⁄4 in (6.585 m)[2] |
| Draft: | 13 ft ¼ in (3.969 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 ft (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 a pair of experimental prototype submarines built just prior to the World War II. The two submarines were similar in size and capability to the S class submarines built at the end of World War I, and had been ordered to test the feasibility of using mass production techniques to build submarines. Once it became apparent that there would be sufficient production of the more capable Gato class submarines, interest in the design waned and no additional ones were ordered with submarine production standardized during the war on the Gato class and its successors the Balao and Tench class submarines.
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