USS Pompano (SS-491)

History
United States
Name:	USS Pompano
Namesake:	The pompano
Builder:	Portsmouth Naval Shipyard, Kittery, Maine
Laid down:	16 July 1945
Launched:	Never
Fate:	Construction contract cancelled 12 August 1945
General characteristics
Class & type:	Tench-class diesel-electric submarine [1]
Displacement:	1,570 tons (1,595 t) surfaced [1] 2,416 tons (2,455 t) submerged [1]
Length:	311 ft 8 in (95.00 m) [1]
Beam:	27 ft 4 in (8.33 m) [1]
Draft:	17 ft 0 in (5.18 m) maximum [1]
Propulsion:	4 × Fairbanks-Morse Model 38D8-⅛ 10-cylinder opposed piston diesel engines driving electrical generators[2][3] 2 × 126-cell Sargo batteries[4] 2 × low-speed direct-drive General Electric electric motors[2] two propellers [2] 5,400 shp (4.0 MW) surfaced[2] 2,740 shp (2.0 MW) submerged[2]
Speed:	20.25 knots (38 km/h) surfaced [5] 8.75 knots (16 km/h) submerged [5]
Range:	11,000 nautical miles (20,000 km) surfaced at 10 knots (19 km/h) [5]
Endurance:	48 hours at 2 knots (3.7 km/h) submerged [5] 75 days on patrol
Test depth:	400 ft (120 m) [5]
Complement:	10 officers, 71 enlisted [5]
Armament:	10 × 21-inch (533 mm) torpedo tubes 6 forward, 4 aft) 28 torpedoes[4] 1 × 5-inch (127 mm) / 25 caliber deck gun[4] Bofors 40 mm and Oerlikon 20 mm cannon

USS Pompano (SS-491), a Tench-class submarine, was the third ship of the United States Navy to be named for the pompano, a marine carangoid living in the southern Atlantic Ocean and Gulf of Mexico coasts of North America. Her construction by Portsmouth Navy Yard was authorized on 29 August 1944 and her keel was laid down on 16 July 1945, but the contract for her construction was cancelled on 12 August 1945 with the end of World War II.

References

1. 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.
2. Bauer, K. Jack; Roberts, Stephen S. (1991). Register of Ships of the U.S. Navy, 1775–1990: Major Combatants. Westport, Connecticut: Greenwood Press. pp. 275–282. ISBN 978-0-313-26202-9.
3. U.S. Submarines Through 1945 pp. 261–263
4. U.S. Submarines Through 1945 pp. 305–311
5. U.S. Submarines Through 1945 pp. 305-311

• This article incorporates text from the public domain Dictionary of American Naval Fighting Ships. The entry can be found here.

External links

• Photo gallery at navsource.org