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A teardrop hull is a submarine hull design which emphasizes submerged performance over surfaced performance. It was somewhat commonly used in the early stages of submarine development, but was gradually abandoned in the early 20th century in favour of designs optimized for high performance on the surface as a result of changes in operational doctrine.
USS Albacore (AGSS-569) is a unique research submarine that pioneered the American version of the teardrop hull form (sometimes referred to as an "Albacore hull") of modern submarines. The revolutionary design was derived from extensive hydrodynamic and wind tunnel testing, with an emphasis on underwater speed and maneuverability. [ 4 ]
First nuclear submarine class with teardrop hull form. USS Scorpion lost at sea 1968. Thresher/Permit: 14 USS Thresher (SSN-593) 28 May 1958 USS Gato (SSN-615) 25 January 1968 First class with bow sonar sphere. Known as Thresher class until the loss of the USS Thresher (SSN-593) in 1963 Tullibee: 1 26 May 1958 9 November 1960
USS Albacore was a unique research submarine that pioneered the American version of the teardrop hull form (sometimes referred to as an "Albacore hull") of modern submarines. On modern military submarines the outer hull (and sometimes also the propeller) is covered with a thick layer of special sound-absorbing rubber, or anechoic plating , to ...
First diesel-powered attack submarine with a teardrop hull. SS-581 Blueback: Last conventionally powered attack submarine in service with the US Navy. Museum ship, OMSI Museum, Portland, Oregon SS-582 Bonefish: Last conventionally powered submarine built for the US Navy. Laid after Blueback but launched and commissioned before SSN-583 Sargo ...
The hull and innovative internal arrangement were similar to the diesel-powered Barbel class that were built concurrently. The design of the Skipjacks was very different from the Skate-class submarines that preceded the Skipjacks. Unlike the Skates, this new design was maximized for underwater speed by fully streamlining the hull like a blimp ...
Several features of the experimental Albacore were used in the Barbel-class design, most obviously the fully streamlined "teardrop" hull. Albacore ' s single-shaft configuration, necessary to minimize drag and thus maximize speed, was also adopted for the Barbels, Skipjacks, and all subsequent US nuclear submarines.
The Yuan class submarines have a teardrop-shaped hull and are believed to be double-hulled. [16] [17] They also have a angled casing, which appears like a distinctive hump. [18] [16] While earlier variants of the Yuan class have a large upright sail, newer variants have instead a more angled sail. [18] [19]