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The LMS100 comprises a low-pressure compressor, an intercooler, a supercore and a power turbine. The supercore (comprising a HP compressor, compressor rear frame, high-pressure turbine and intermediate pressure turbine) is a further development of the LM6000, which in turn was based on the CF6-80C2. The low-pressure compressor is from the 6FA ...
The Pratt & Whitney GG4 and FT4 are related aero-derivative gas turbine engines developed from the Pratt & Whitney J75/JT4 turbojet line. [1] [2] See also
The Block 3 turbine became standard in July 2012 for new production models. By September 2012, all older engines that were undergoing regular maintenance were systematically upgraded to the Block 3 turbine. Engines with a future planned block 4 upgrade would be expected to deliver nearly 10,000 horsepower (7,500 kilowatts). [19]
The P-409 would have been available as a new engine or as an upgrade kit for P-408 engines, but was never ordered in significant quantities. [11] [12] PW1212 J52-P-409 re-designated PW1216 An afterburning derivative of the J52-P409 engine proposed for the Grumman Sabre II concept (the project later evolved into the JF-17 Thunder).
The General Electric LM6000 is a turboshaft aeroderivative gas turbine engine. The LM6000 is derived from the CF6-80C2 aircraft turbofan.It has additions and modifications designed to make it more suitable for marine propulsion, industrial power generation, and marine power generation use.
The General Electric LM1600 is an industrial and marine gas turbine produced by GE Aviation. The LM1600 is a derivative of the General Electric F404 aircraft engine series. [ 1 ] [ 2 ] The LM1600 delivers 20,000 shaft horsepower (shp) (14,920 kW) with a thermal efficiency of 37 percent at ISO conditions .
The LM1500 was derived from the J79 engine in 1960. [3] Its first application was for the first US sea-going research hydrofoil, HS Denison. [1] Conversion as a marinised turboshaft 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.
The turbine that drives the compressor has two stages, with the first stage using single-crystal blades. A free power turbine with two stages drives the propeller through an inner shaft and a gearbox. [16]: 83–84 The engine has replaceable steel blades and vanes, which are more reliable but heavier than titanium. [15]