About: United States R-class submarine   Sponge Permalink

An Entity of Type : dbkwik:resource/8Vk4qvWWHqHVaZzlYvTCmQ==, within Data Space : 134.155.108.49:8890 associated with source dataset(s)

The R-class submarines were a class of United States Navy submarines active from 1918 until 1945. The R-1 thru R-20 boats built by Fore River Shipyard and Union Iron Works were known as the "R-1 class" subs. These single-hull submarines were structurally very similar to the preceding O-class, but with the addition of 21-inch torpedo tubes and a fixed (rather than retractable) gun mount.

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  • United States R-class submarine
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  • The R-class submarines were a class of United States Navy submarines active from 1918 until 1945. The R-1 thru R-20 boats built by Fore River Shipyard and Union Iron Works were known as the "R-1 class" subs. These single-hull submarines were structurally very similar to the preceding O-class, but with the addition of 21-inch torpedo tubes and a fixed (rather than retractable) gun mount.
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Ship caption
  • Tied up along the dock from right to left: R-12 , R-15 , R-13 with R-9 and an unidentified R-boat probably in Pearl Harbor, c. mid 1920s.
Ship image
  • 300(xsd:integer)
abstract
  • The R-class submarines were a class of United States Navy submarines active from 1918 until 1945. The R-1 thru R-20 boats built by Fore River Shipyard and Union Iron Works were known as the "R-1 class" subs. These single-hull submarines were structurally very similar to the preceding O-class, but with the addition of 21-inch torpedo tubes and a fixed (rather than retractable) gun mount. Boats R-21 to R-27, which were slightly smaller and faster than the R-1s, were built by Lake Torpedo Boat and are sometimes regarded as a separate class, the "R-21 class." These featured a double-hull and had their diving planes more conventionally positioned fore and aft, but retained the characteristic wide stern and 18-inch torpedo tubes. Electric Boat built four boats for the Peruvian Navy (R-1 to R-4). Built after World War I using materials assembled from cancelled S-class submarines, they were refitted in 1935–36 and 1955–56, and renamed Islay, Casma, Pacocha, and Arica in 1957. They were discarded in 1960.
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