![]() A high endurance was also desired to enable sustained patrols in Japanese home waters, hopefully providing warning of enemy operations as well as sinking warships close to home. Submarine operations with the fleet required boats with a high speed of 21 knots so that they could maneuver with the Standard-type battleships. Navy began to see the potential for extended offensive submarine operations. ![]() submarines in the defense of the Pacific would have to be rethought by Navy planners.įollowing the Armistice, and after testing the capabilities of German design via captured U-boats, the U.S. Despite the fact that German U-boats proved beyond a doubt that no navy could be a world sea power without submarines, the role played by U.S. submarine designs of World War I assigned to escort shipping revealed that they had minimal ability to deter an aggressive threat. Design history Preliminary designs Įarly U.S. In some references, the Tambors are called the "T Class", and SS-206 through SS-211 are sometimes called the " Gar class". The Tambors attained the top speed of 21 knots (39 km/h) and range of 11,000 nautical miles (20,000 km) (allowing patrols in Japanese home waters) of the preceding Sargo class, and improvements included six bow torpedo tubes, a more reliable full diesel-electric propulsion plant, and improved combat efficiency with key personnel and equipment relocated to the conning tower. Tautog was credited with sinking 26 ships, the largest number of ships sunk by a US submarine in World War II. ![]() They went on to see hard service seven of the twelve boats in the class were sunk before the survivors were withdrawn from front-line service in early 1945 this was the highest percentage lost of any US submarine class. Six of the class were in Hawaiian waters or the Central Pacific on 7 December 1941, with Tautog at Pearl Harbor during the attack. They were the USN's first fully successful fleet submarine, and began the war close to the fighting. The Tambor-class submarine was a United States Navy submarine design, used primarily during World War II. ![]() 1 × 3-inch (76 mm)/50 caliber deck gun.10 × 21 inch (533 mm) torpedo tubes (six forward, four aft).4 × high-speed General Electric electric motors with reduction gears ġ1,000 nautical miles (20,000 km) at 10 knots (19 km/h) Ĥ8 hours at 2 knots (3.7 km/h) submerged Ģ50–300 ft (76–91 m) Crush Depth Possible 500 ft (150 m).4 × diesel engines driving electrical generators ( Fairbanks-Morse or General Motors).1,475 long tons (1,499 t) standard, surfaced.Electric Boat Company, Portsmouth Naval Shipyard, Mare Island Naval Shipyard ![]()
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