The ballast and trim tanks control a submarine's buoyancy. To put it simply, when a submarine needs to surface, it empties its tanks of water and when it needs to submerge, ...

World War II submarines were some of the most feared and effective weapons of the war. Operating mostly in stealth, these ...

The ballast and trim tanks control a submarine's buoyancy. To put it simply, when a submarine needs to surface, it empties ...

The report confirms that one of Corner Brook's main ballast tanks ruptured last March during a test by Babcock Canada, which has been contracted to maintain and repair the sub fleet since 2008.

The USS Thresher (SSN-593) was the first nuclear attack submarine of its class. In 1963, it conducted a series of deep-dive tests off the coast of Cape Cod, Massachusetts, testing its rated depth ...

Depth Four plastic water containers and an air compressor make up the ballast system, which controls the submarine’s depth. The sub still wasn’t heavy enough to sink, so Beckerman added 13 ...

The 18 th century saw the introduction of several smaller designs for submarines, including a design in 1747 that included goatskin bags which would fill with water to lower the submarine, and when ...

The USS Clamagore submarine, built at the end of World War II, will be dismantled and recycled, the Patriots Point Naval & Maritime Museum in South Carolina announced Friday.

2) The use of ballast tanks for surfacing in an ambient submarine seems less than ideal. To avoid issues others have pointed out, you need to accurately control the ascent to the surface.

The USS Nautilus was the world's first nuclear-powered submarine. It participated in scientific and military operations around the world.

From Berlin came a report of sucfessful tests of a metal noncollapsible diving suit. The suit has a metal body built solidly like the conning tower of a submarine, and flexible aluminum arms and ...