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In 2009, GE’s LM2500 gas turbine celebrated its 40-year anniversary in service with the United States Navy. The LM2500 gas turbines continue to be applied in a variety of naval configurations worldwide. For instance, USS Makin Island (LHD 8) was commissioned by the U.S. Navy in late 2009 in San Diego, California, U.S.A. The vessel is powered by two LM2500+ gas turbines and two diesel-electric generators in a unique hybrid propulsion system.

The U.S. Navy reported that the vessel’s hybrid propulsion arrangement will help save millions in fuel and maintenance costs. The U.S. Navy will also use GE’s LM2500 gas turbines to power nine of its new Flight IIA ships under the DDG 51 Arleigh-Burke destroyer program.

Separately, the U.S. Navy has ordered an additional 16 digital fuel control kits for LM2500 gas turbines aboard four ships. In May 2010, the U.S. Coast Guard commissioned its USCGC Waesche at its home port of Alameda, California, U.S.A. The second National Security Cutter is powered by one LM2500 in a COmbined Diesel And Gas (CODAG) turbine arrangement that propels the ship to speeds greater than 28 knots.

In the international naval arena, the Indian Navy commissioned the INS Shivalik stealth frigate powered by two LM2500s in a combined diesel or gas turbine configuration. For the Royal Australian Navy (RAN), GE reported it completed acceptance testing on the first LM2500 gas turbine for the Air Warfare Destroyer (AWD) program. Each of the three AWDs to be built will be powered by two LM2500s in a CODAG arrangement.

Categories: Marine/Propullsion

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