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Air Independent Propulsion Could Create Silent Killer Submarines

Air Independent Propulsion: Could This Technology Change Naval Warfare?

The rise of AIP subs has arrived. Here s What You Need to Know: An AIP submarine’s engines are virtually silent. Nuclear-powered submarines have traditionally held a decisive edge in endurance, stealth and speed over cheaper diesel submarines. However, new Air Independent Propulsion (AIP) technology has significantly narrowed the performance gap on a new generation of submarines that cost a fraction of the price of a nuclear-powered boat. A conventional submarine’s diesel engine generates electricity which can be used to drive the propeller and power its systems. The problem is that such a combustion engine is inherently quite noisy and runs on air a commodity in limited supply on an underwater vehicle. Thus, diesel-powered submarines must surface frequently to recharge their batteries.

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