USS B-2 (SS-11)
USS B-2 off Cavite Navy Yard, the Philippines, circa 1913-1917.
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 United States
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| Name: | USS B-2 |
| Builder: | Fore River Shipbuilding Company in Quincy, Massachusetts |
| Cost: | $187,982.32 (hull and machinery) |
| Launched: | 1 September 1906 |
| Commissioned: | 18 October 1907 |
| Decommissioned: | 12 December 1919 |
| Fate: | Sunk as a target |
| General characteristics | |
| Class and type: | B-class submarine |
| Displacement: |
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| Length: | 82 ft 5 in (25.12 m) |
| Beam: | 12 ft 6 in (3.81 m) |
| Draft: | 10 ft 7 in (3.23 m) |
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| Test depth: | 150 feet (45.7 m) |
| Complement: | 10 officers and enlisted |
| Armament: | 2 × 18 inch (450 mm) bow torpedo tubes (4 torpedoes) |
USS B-2 (SS-11) was one of three B-class submarines built for the United States Navy in the first decade of the 20th century.
The B-class submarines were enlarged versions of the preceding Plunger class. They had a length of 82 feet 5 inches (25.1 m) overall, a beam of 12 feet 6 inches (3.8 m) and a mean draft of 10 feet 7 inches (3.2 m). They displaced 145 long tons (147 t) on the surface and 170 long tons (170 t) submerged. The B-class boats had a crew of one officer and nine enlisted men. They had a diving depth of 150 feet (45.7 m).
For surface running, they were powered by one 240-brake-horsepower (179 kW) gasoline engine that drove the single propeller shaft. When submerged the propeller was driven by a 115-horsepower (86 kW) electric motor. The boats could reach 9 knots (17 km/h; 10 mph) on the surface and 8 knots (15 km/h; 9.2 mph) underwater. On the surface, they had a range of 540 nautical miles (1,000 km; 620 mi) at 9 knots (17 km/h; 10 mph) and 12 nmi (22 km; 14 mi) at 4 knots (7.4 km/h; 4.6 mph) submerged.
The B-class boats were armed with two 18 inch (450 mm) torpedo tubes in the bow. They carried two reloads, for a total of four torpedoes.
B-2 was laid down by Fore River Shipbuilding Company in Quincy, Massachusetts, under subcontract from Electric Boat Company of New Suffolk, L. I., as Cuttlefish, making her the first ship of the United States Navy to be named for the cuttlefish, a 10-armed marine mollusk similar to the squid.
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