USS R-6
USS R-6
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USS R-6

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USS R-6

USS R-6 (SS-83), also known as "Submarine No. 83", was an R-1-class coastal and harbor defense submarines of the United States Navy commissioned after the end of World War I.

Due to space constraints, the boats built at the Fore River Shipbuilding Company yard, were laid down much later than the boats built at the Union Iron Works and the Lake Torpedo Boat Company yards. Because of this, none were commissioned before the end of WWI.

The submarines had a length of 186 feet 3 inches (56.8 m) overall, a beam of 18 ft (5.5 m), and a mean draft of 15 ft 6 in (4.7 m). They displaced 574 long tons (583 t) on the surface and 685 long tons (696 t) submerged. The R-1-class submarines had a crew of 2 officers and 27 enlisted men. They had a diving depth of 200 ft (61.0 m).

For surface running, the boats were powered by two 440-brake-horsepower (328 kW) NELSECO 6-EB-14 diesel engines, each driving one propeller shaft. When submerged each propeller was driven by a 467-horsepower (348 kW) Electro-Dynamic Company electric motor. They could reach 12.5 knots (23.2 km/h; 14.4 mph) on the surface and 9.3 kn (17.2 km/h; 10.7 mph) underwater. On the surface, the R-1-class had a range of 4,700 nautical miles (8,700 km; 5,400 mi) at 6.2 kn (11.5 km/h; 7.1 mph), or 7,000 nmi (13,000 km; 8,100 mi) if fuel was loaded into their main ballast tanks.

The boats were armed with four 21-inch (533 mm) torpedo tubes in the bow. They carried four reloads, for a total of eight torpedoes. The R-1-class submarines were also armed with a single 3 in (76 mm)/50 caliber deck gun.

R-6's keel was laid down on 17 December 1917, by the Fore River Shipbuilding Company, Quincy, Massachusetts. She was launched on 1 March 1919, sponsored by Miss Katherine Langdon Hill, daughter of former Governor of Maine, John F. Hill, and commissioned at Boston, Massachusetts, on 1 May 1919.

After fitting out at the Boston Navy Yard, R-6 reported to Submarine Division 9 (SubDiv 9), of the Atlantic Fleet, at New London, Connecticut, on 16 September 1919. In early December, while anchored alongside the submarine tender Camden, and five other submarines, she was swept away by a gale and grounded on Black Rock, at the entrance to the harbor at New London. Once aground, she radioed for help and two minesweepers tried to pull her off the rocks, but to no avail. She was later freed and returned to service.[citation needed]

R-6 got underway on 4 December 1919, for Norfolk, Virginia, and winter exercises with her division in the Gulf of Mexico, from 21 January to 14 April 1920. She returned to New London, on 18 May 1920, for four months of summer maneuvers, before getting underway from New London, on 13 September 1920, for Norfolk, and overhaul.

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