GE LM2500+ Gas Turbines to Power Naval Ship

Tuesday, October 21, 2008

Hybrid Propulsion System Configuration

GE Marine announces that its LM2500+ marine aeroderivative gas turbines have been selected by Northrop Grumman Shipbuilding (NGSB), , to power the U.S. Navys new LHA 6 amphibious assault ship.

The LHA 6 ships hybrid mechanical-electric propulsion system will consist of two LM2500+ gas turbines, each rated at 35,290 shaft horsepower at U.S. Navy standard day conditions (100oF), and two, 5,000 horsepower auxiliary propulsion motors.  The LM2500+ gas turbines will be manufactured at GEs Evendale facility.

The hybrid propulsion system enables the ships propellers to be driven either by the gas turbines or by the electric motors, which are powered from the ship service electrical system. This propulsion system allows the ship to operate in a more fuel efficient mode throughout its speed range.

The LHA 6, the first ship of the U.S. Navys LHA(R) program. will be able to operate and support a detachment of more than 20 Joint Strike Fighter aircraft. The LHA 6 will feature several aviation capabilities enhanced beyond previous amphibious assault ships, including an enlarged hangar deck, realignment and expansion of the aviation maintenance facilities, a significant increase in available stowage for parts and support equipment, and increased aviation fuel capacity.

The LHA 6 will be multi-functional and versatile, modifying existing command, control, communications, computers and intelligence spaces to allow for flexible mission dependent reconfiguration. The LHA 6 will also have increased cargo magazine capacity, better survivability, and greater service life margins.


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