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The new turboshaft should replace the GE T700.. In December 2006, the U.S. Army's Aviation Applied Technology Directorate (AATD) solicited proposals for the 3000 shp Advanced Affordable Turbine Engine (AATE) free-turbine turboshaft to replace the GE T700 that currently power the UH-60 Black Hawk and AH-64 Apache rotorcraft, leveraging the DoD/NASA/DOE VAATE program. [2]
The GE Passport is a high bypass ratio turbofan. The engine is a twin-spool, axial-flow turbofan with a high bypass ratio of 5.6:1 and an overall pressure ratio of 45:1. The front fan is attached to the three-stage low-pressure compressor; the 23:1 pressure ratio 10-stage high-pressure compressor includes five blisk stages for weight reduction.
* Note: two versions: one contained a 16-cylinder 7HDL, co-developed by GE and the German firm Deutz-MWM, rated at 6000 HP; the other a 16-cylinder 7FDL rated at 4390 HP. The units equipped with the 7FDL were a sub-version AC6000 "Convertible" and were produced to get the type into operation while the 7HDL was developed.
On 1 February 2019, the US Army selected the GE T901 as the winner of the ITEP program. [6] Engineering completion and manufacturing development are contracted for $517 million, for August 2024 before low-rate production. [4] On 22 March 2022, the first turboshaft began bench tests at GE's Lynn, Massachusetts facility. [1]
Magik is an object-oriented programming language that supports multiple inheritance and polymorphism, and it is dynamically typed.It was designed and implemented in 1989 by Arthur Chance of Smallworld Systems Ltd. as part of Smallworld Geographical Information System (GIS).
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The GE27 was developed in the early 1980s under the "Modern Technology Demonstrator Engines" (MTDE) program sponsored by the United States Army Aviation Applied Technology Directorate. [2] Sporting a 22:1 pressure ratio, which was a record for single-spool compressors at the time, the GE27 [ 3 ] was GE's unsuccessful submission to power the ...