On August 3, 2004, General Electric Transportation's marine business received
United States Navy certification for its LM2500+ aeroderivative gas turbine. The
gas turbine has been certified for 35,000 brake horsepower (bhp) for mechanical
The LM2500+, a derivative of successful LM2500, has been certified powering the eighth LHD 1 Wasp class of
large-deck, multipurpose amphibious assault ships. It is also available for
future follow-on ships. According to GE sources, this decision could clear the
way for future national and international applications of the LM2500+ turbine.
During the test program preceding the US Navy certification the LM2500+ engine
was maneuvered from idle to full power, 35% of the time the engine ran at 100%
of the power, it ran to internal temperatures associated with 100 Fahrenheit
ambient temperatures, test emphasized cyclic stresses and high temperature
effects, and it was followed by disassembly and inspection of major
The LHD 8 Makin Island will have hybrid electric drive system and will be
powered by two LM2500+ gas turbines for full power operations and electric
motors for loitering speeds.
Previously, the LM2500+ gas turbine was deployed by commercial marine for
mechanical drive applications and industrial operators for power generation. It
offers up to 25% more power at a simple-cycle thermal efficiency in excess of
39%. The reliability remains the same of LM2500 99.6%.
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