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The K-250 submarine is usually configured to be a one-person personal submarine that is rated to go down to 250 fsw. The sub was designed by retired US Navy World War II submarine captain George Kittredge. [1] It is a basic solid submarine that has been used by researchers, salvage divers, [2] and private enthusiasts. [3]
Kittredge Industries was founded in 1970 to design and manufacture midget submarines, completing 49 submersibles before manufacturing was wound down in 1988. [1] Kittredge's designs included the K-250 and K-350, named for their maximum rated depth (in feet); [3] he is known as the "father of personal submersibles". [2]
K-250 Submarine; K-Verband; Kairyū-class submarine; UC2 Kraka; L. Losos-class submarine; M. M24 Japanese Midget Submarine wreck site; Yugoslav submarine Mališan ...
Submarine 372 suddenly encountered a "cliff" caused by a sudden change in seawater density. Because the seawater density suddenly decreased, the submarine lost its buoyancy and rapidly fell to the seabed more than 3,000 meters deep. The pressure on the submarine increased sharply, and the main engine room pipeline was damaged and water entered.
She also had an increased maximum diving depth of 250 feet (76 m). Depth charge thrower originally fitted to the K class. Most were scrapped between 1921 and 1926 but K26 survived until 1931, then being broken up because her displacement exceeded the limits for submarine displacement in the London Naval Treaty of 1930.
The first four were renamed K-1 through K-4 on 17 November 1911 as part of a forcewide redesignation of US submarines. USS K-1 (SS-32) (formerly USS Haddock) was laid down on 20 February 1912, launched on 3 September 1913 and commissioned on 17 March 1914. The submarine was decommissioned on 7 March 1923 and scrapped in 1931. [6]
I have added several references that demonstrate the notability of this vessel. I think, however, that this page could easily be called "Kittredge Submarine" with info about all three Kittredge models: K250, K350, and K-600. The midget subs page mentions the K-250 and K-350, but there is only a page for K-250.
Like all British K-class submarines, the submarine had a displacement of 1,980 long tons (2,010 t) when at the surface and 2,566 long tons (2,607 t) while submerged. [1] The boat had a total length of 338 feet (103 m), a beam of 26 feet 6 inches (8.08 m), and a draught of 20 feet 11 inches (6.38 m). [ 2 ]