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United States G-class submarine
USS G-1 soon after launching, in 1911
Class overview
Builders: Newport News Shipbuilding Company (G-1)
Lake Torpedo Boat (G-2 & G-3)
William Cramp and Sons (G-4)
Operators:  United States Navy
Preceded by: F-class submarine
Succeeded by: H-class submarine
Built: 1909–1913
In commission: 1912–1921
Completed: 4
Retired: 4
Preserved: 0
General characteristics
Type: Submarine
Displacement: 360–400 long tons (366–406 t) surfaced
457–516 long tons (464–524 t) submerged
Length: 157–161 ft (48–49 m)
Beam: 13–17 ft (4.0–5.2 m)
Draft: 11–12 ft (3.4–3.7 m)
Propulsion: Gasoline-electric (G-1, G-2, G-4)
Diesel-electric (G-3)
Speed: 14 knots (26 km/h; 16 mph) surfaced
9.5–10.9 knots (17.6–20.2 km/h; 10.9–12.5 mph) submerged
Complement: 24-26 officers and men
Armament: 4-6 × 18 in (457 mm) torpedo tubes

The G class submarines were a class of four United States Navy submarines. While the four G-boats were nominally all of a class, they differed enough in significant details that they are sometimes considered to be four unique boats, each in a class by herself.


See also

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