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The first test engine consisted of only the core module (named "Kabini", a major tributary and often cited starting point of the Kaveri river), while the third engine was the first example fitted with variable stator vanes on the first three compressor stages.
A check engine light or malfunction indicator lamp (MIL), is a tell-tale that a computerized engine-management system uses to indicate a malfunction or problem with the vehicle ranging from minor (such as a loose gas cap) to serious (worn spark plugs, engine problems or a faulty oil valve, etc.).
The Advanced Turbine Engine Company (ATEC) is a 50/50 joint venture created in 2007 between Honeywell Aerospace and Pratt & Whitney Military Engines. ATEC completed a Core Engine (High Pressure system only) test in mid-2011 on the two-spool HPW3000 and completed Gas Generator (both High and Low Pressure systems) testing in January 2012.
The HPT is redesigned to withstand slightly higher temperatures and includes aerodynamic changes. The HPC has been redesigned to 6 stages, down from 7. These changes aimed at reducing SFC by 2% and component durability three times higher. [30] F414-EPE "Enhanced Performance Engine" or "EPE", includes a new core and a redesigned fan and compressor.
The engine consists of a three-staged fan, seven axial stage compressor arrangement, single stage low and high pressure turbines, an augmentor, and produces maximum thrust of 16,000 lbf (71.2 kN) in the original F404-GE-400 model. The engine was designed with a higher priority on reliability than performance.
The General Electric T901 (GE3000 [3]) is a turboshaft engine in the 3,000 shp (2,200 kW) class currently under development for the United States Army's Improved Turbine Engine Program (ITEP). The ITEP plans after 2025 to re-engine over 1,300 Sikorsky UH-60 Black Hawk and more than 600 Boeing AH-64 Apache , and was intended to power the now ...
The Pearl engine was developed in Dahlewitz from the BR700 with Advance2 technologies. [16] EASA certification was applied for on 28 February 2015. [9] It made its first ground run in 2015, type tests in 2016, and flight tests in 2017. [17] Six test engines logged over 6,000 cycles on 2,000 test hours. [18]
A link between a gas turbine compressor and its engine can be shown with lines of constant engine temperature ratio, ie the effect of fuelling/increased turbine temperature which raises the running line as the temperature ratio increases. One manifestation of different behaviour appears in the choke region on the right-hand side of a map.