The General Electric LM1500 is an industrial and marine

gas turbine A gas turbine or gas turbine engine is a type of Internal combustion engine#Continuous combustion, continuous flow internal combustion engine. The main parts common to all gas turbine engines form the power-producing part (known as the gas gene ...

produced by

GE Aviation General Electric Company, doing business as GE Aerospace, is an American aircraft engine supplier that is headquartered in Evendale, Ohio, outside Cincinnati. It is the legal successor to the original General Electric Company founded in 1892, wh ...

. The LM1500 is a derivative of the

General Electric J79 The General Electric J79 is an axial-flow turbojet engine built for use in a variety of fighter and bomber aircraft and a supersonic cruise missile. The J79 was produced by General Electric Aircraft Engines in the United States, and under lice ...

aircraft engine series. The LM1500 delivers up to .

History

The LM1500 was derived from the J79 engine in 1960. Its first application was for the first US sea-going research

hydrofoil A hydrofoil is a lifting surface, or foil, that operates in water. They are similar in appearance and purpose to aerofoils used by aeroplanes. Boats that use hydrofoil technology are also simply termed hydrofoils. As a hydrofoil craft gains sp ...

, . Conversion as a marinised

turboshaft A turboshaft engine is a form of gas turbine that is optimized to produce shaft horsepower rather than jet thrust. In concept, turboshaft engines are very similar to turbojets, with additional turbine expansion to extract heat energy from the ex ...

engine involved two major changes: the addition of a free power turbine, and corrosion-protection by the addition of internal coatings and a maintenance scheme of freshwater rinsing to prevent salt damage. Naval fuels could also include diesel fuels with higher sulphur content than aviation-grade

JP-5 Jet fuel or aviation turbine fuel (ATF, also abbreviated avtur) is a type of aviation fuel designed for use in aircraft powered by gas-turbine engines. It is colorless to straw-colored in appearance. The most commonly used fuels for commercial ...

fuel, but this was avoided in these early engines by keeping to JP fuels. Its first commercial use was as a catapult for launching aircraft. Over time, its commercial applications widened to include marine propulsion and its use at oil and gas pipeline compressor stations.Fuel Flexibility in GE LM Engines
by Mark Lipton, GE Energy on 12 Oct 2005. Retrieved February 16th, 2010.

References

External links

{{GE aeroengines Aero-derivative engines Gas turbines Marine engines