Title : This Is How A Swedish Sub Took Out A U.S. Carrier In A Naval Exercise
link : This Is How A Swedish Sub Took Out A U.S. Carrier In A Naval Exercise
This Is How A Swedish Sub Took Out A U.S. Carrier In A Naval Exercise
Popular Mechanics: How a Plucky Swedish Sub Took Out a US Carrier All on Its Own
In a war game, of course.
In 2005, the USS Ronald Reagan met its match in the form of a single, diesel-powered Swedish submarine. During war games, the plucky submarine was able to sneak through the passive sonar defenses of the Ronald Reagan and its entire accompanying group to score a few precious torpedo hits, (virtually) sinking the cruiser and getting away without so much as a scratch.
How? As Real Engineering explains, it's all thanks to a very old-school engine. Instead of using its diesel to power an internal combustion engine (which is quite loud, what with the explosions and all), the Gotland-class sub instead uses highly-optimized Sterling engines, not unlike what you might find as a desk toy, but considerably more high tech. These exceedingly quiet engines are used to charge batteries which in turn can directly run the engines. The result is a sub that's quieter than any other diesel, and even quieter than its nuclear cousins which require a constant churn of coolant that can give away their position.
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WNU Editor: It makes one wonder this engineering design is not being used by other navies to make their submarines.
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