USS Seawolf (SS-197)

Seawolf underway
History
United States
NameSeawolf
NamesakeAtlantic wolffish
BuilderPortsmouth Naval Shipyard, Kittery, Maine
Laid down27 September 1938
Launched15 August 1939
Commissioned1 December 1939
Stricken20 January 1945
FateProbably sunk by friendly fire from USS Richard M. Rowell off Morotai on 3 October 1944
General characteristics
Class & typeSargo-class diesel-electric submarine
Displacement1,450 long tons (1,470 t) standard, surfaced, 2,350 long tons (2,390 t) submerged
Length310 ft 6 in (94.64 m)
Beam26 ft 10 in (8.18 m)
Draft16 ft 7+12 in (5.067 m)
Propulsion4 × General Motors Model 16-248 V16 diesel engines driving electrical generators, 2 × 126-cell Sargo batteries, 4 × high-speed General Electric electric motors with reduction gears, two shafts, 5,400 shp (4,000 kW) surfaced, 2,740 shp (2,040 kW) submerged
Speed21 knots (39 km/h) surfaced, 8.75 knots (16 km/h) submerged
Range11,000 nautical miles (20,000 km) at 10 knots (19 km/h)
Endurance48 hours at 2 knots (3.7 km/h) submerged
Test depth250 ft (76 m)
Complement5 officers, 54 enlisted
Armament8 × 21 in (533 mm) torpedo tubes (four forward, four aft; 24 torpedoes {Mark 14s as designed, mixed with Mark 10s or mines during World War Two}), 1 × 3 in (76 mm)/50 cal deck gun, 4 × machine guns

USS Seawolf (SS-197), a Sargo-class submarine, was the second submarine of the United States Navy named for the seawolf.