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Midget submarine

 

A midget submarine (also called a mini submarine) is any submarine under 150 tons, typically operated by a crew of one or two but sometimes up to 6 or 9, with little or no on-board living accommodation. They normally work with mother ships, from which they are launched and recovered and which provide living accommodation for the crew and support staff.

In civilian use, midget submarines are generally called submersibles; commercial submersibles are used in, for example, underwater maintenance, exploration, archaeology, and scientific research. Other commercially available submersibles are marketed as novelty tourist attractions and as specialised tenders for wealthy yacht owners. Also, a growing number of amateur submariners homebuild submersibles as a hobby.

The Indonesian Navy has shown some interest in having a new Midget-class submarine, built by local shipyards, for coastal rather than open water patrol. The submarine was designed a number of years ago by a retired Indonesian Navy submariner officer, Colonel (Ret) Ir. R. Dradjat Budiyanto, Msc. The midget experiment project involves the construction of a submarine, designated MIDGET IM X 1, which will weigh about 150 250 tonnes, with a tubular frame design 24 30 meters long, and four torpedo tubes. The submarines will have minimum of 8 10 crew members including officers. They will have a 40 km range non-hull-penetrating optronic mast as the attack periscope, and a 20 km range navigation periscope.

MG 110 class midget submarine: Developed by Italian shipbuilder Cosmos as a successor of earlier S.X.756 midget submarine in South Korean service. MG 110 is a slightly enlarged version of S.X.756 with length increased to 27.28 m, diameter increased to 2.3 m, and displacement increased to 102/110 t (surfaced/submerged). Range is 1200 nm surfaced, and the submerged range remain the same. Payload and crew are also identical to that of its predecessor S.X.756 midget submarine.

Sea Dagger midget submarine developed by Kockums: a midget submarine of modular design with length of 16 20 m depending on various configurations totaling 4, including training, reconnaissance, diver delivery and small attack versions. All versions are consisted of 3 modules, two of which are identical for all versions, the bow and stern modules. The midsection has 4 modules to choose from, each for a specific mission. All versions lack the sail.

The Royal Navy has used a number of midget submarines. Most were developed during the Second World War. The decommissioning of the Stickleback class 1958early 1960s marked the end of midget submarines designed for combat in the Royal Navy.

Nemo (DSV-5): an acronym for Naval Experimental Manned Observatory, a test vehicle operated by the Navy from 1970 to 1986. Nemo was a spherical submersible with a transparent acrylic hull, and its primary purpose was to evaluate the utility of the panoramic vision enabled by its design. Nemo was found to be an effective observation platform, despite not being able to hover in place, and acrylic-hulled submersibles have continued to be built and operated in the US.

Missouri Civil War Museum


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