USS Grampus (SS-523)

History
United States
NameUSS Grampus (SS-523)
BuilderBoston Navy Yard[1]
Laid down8 February 1944[1]
Launched15 December 1944[1]
Commissioned26 October 1949[1]
Decommissioned13 May 1972[1]
Stricken13 May 1972[2]
FateTransferred to Brazil, 13 May 1972[1]
History
Brazil
NameRio Grande do Sul (S-11)
Acquired13 May 1972
Decommissioned16 November 1978
FateScrapped 1981
General characteristics (Completed as GUPPY II)
Class and typeTench-class diesel-electric submarine[2]
Displacement
  • 1,870 tons (1,900 t) surfaced[4]
  • 2,440 tons (2,480 t) submerged[4]
Length307 ft (94 m)[3]
Beam27 ft 4 in (8.33 m)[3]
Draft17 ft (5.2 m)[3]
Propulsion
Speed
  • Surfaced:
  • 18.0 knots (33.3 km/h) maximum
  • 13.5 knots (25.0 km/h) cruising
  • Submerged:
  • 16.0 knots (29.6 km/h) for ½ hour
  • 9.0 knots (16.7 km/h) snorkeling
  • 3.5 knots (6.5 km/h) cruising[4]
Range15,000 nm (28,000 km) surfaced at 11 knots (20 km/h)[3]
Endurance48 hours at 4 knots (7 km/h) submerged[3]
Test depth400 ft (120 m)[6]
Complement
  • 9–10 officers
  • 5 petty officers
  • 70 enlisted men[3]
Sensors and
processing systems
  • WFA active sonar
  • JT passive sonar
  • Mk 106 torpedo fire control system[3]
Armament

USS Grampus (SS-523), a Tench-class submarine, was the seventh ship of the United States Navy to be named for two members of the dolphin family (Delphinidae): Grampus griseus, also known as Risso's dolphin, and the orca, also known as the killer whale.

  1. ^ a b c d e f Friedman, Norman (1995). U.S. Submarines Through 1945: An Illustrated Design History. Annapolis, Maryland: United States Naval Institute. pp. 285–304. ISBN 1-55750-263-3.
  2. ^ a b c d e Bauer, K. Jack; Roberts, Stephen S. (1991). Register of Ships of the U.S. Navy, 1775-1990: Major Combatants. Westport, Connecticut: Greenwood Press. pp. 280–282. ISBN 0-313-26202-0.
  3. ^ a b c d e f g h U.S. Submarines Since 1945 pp. 242
  4. ^ a b c d e Friedman, Norman (1994). U.S. Submarines Since 1945: An Illustrated Design History. Annapolis, Maryland: United States Naval Institute. pp. 11–43. ISBN 1-55750-260-9.
  5. ^ U.S. Submarines Through 1945 pp. 261.
  6. ^ U.S. Submarines Through 1945 pp. 305-311