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42-465: ITEP is an abbreviation that may mean: Improved Turbine Engine Program , a U.S. Army program to develop a new higher output engine for Army helicopters. International Test of English Proficiency Institute for Theoretical and Experimental Physics Institute on Taxation and Economic Policy , a non-profit, non-partisan think tank that works on state and federal tax policy issues. Topics referred to by

84-476: A 15% reduction in product development cost. The 3,000-shp goal for AATE is a 50% increase over the most powerful T700-701D variant, but would also require upgrades to gearbox, transmission, rotor blades, and tail rotor. Both the ATEC and GE designs can start without an auxiliary power unit (APU), using the battery alone. The UH-60 and AH-64 are currently equipped with Honeywell GTCP 36-150 APUs. Using ITEP,

126-629: A new engine, the TG-180, which was designated J35 by the US military. Development funds were allotted in 1946 for a more powerful version of the same design, the TG-190. This engine finally emerged as the famed General Electric J47 , which saw a great demand for several military aircraft; a second manufacturing facility in Evendale, Ohio , near Cincinnati , was opened. J47 production ran to 30,000 engines by

168-429: A production decision in 2024. In addition to 3,000-shp output, the targets for AATE were a 25% reduction in fuel consumption (less than 0.347 lb/(hp⋅h), 211 g/kWh), a 65% improvement in power to weight (more than 6.5 hp/lb, 10.7 kW/kg), a 20% improvement in design life (more than 6000 hours and 15000 cycles), a 35% reduction in production (less than $ 650k per engine) and maintenance cost , and

210-655: A scaled compressor with variable stator vanes, an annual combustor, turbine-cooling advancements, and new materials for several government research programs. The US Government initially supported development of the GE1 to produce the J97 engine. The GE1 design and technology helped General Electric produce a range of engines, including the GE1/6 turbofan demonstrator for the TF39 engine the GE4 for

252-451: A turbine consisting of 300 components with one piece. The electron beam melting has good speed for economy, precision to reduce processing work, and size capability for larger parts; the hot process reduces stresses in the part and penetrates deeper than laser for thicker parts with coarser, cheaper metal powders . Additive techniques can be used across the engine and even in the over 1,500 °F (820 °C) hot section. They are used in

294-644: Is considering it for the single-turbine S-97 Raider instead of its single GE CT7/T700; in addition, AATE could also power the Joint Multi-Role (JMR) helicopter. In 2007, Honeywell and Pratt & Whitney formed the Advanced Turbine Engine Company (ATEC) joint venture. The science & technology phase to subsidize development of AATE consisted of two contracts: one was awarded in May 2008 to ATEC for $ 108 million to develop

336-645: Is different from Wikidata All article disambiguation pages All disambiguation pages Improved Turbine Engine Program The Improved Turbine Engine Program ( ITEP ), formerly the Advanced Affordable Turbine Engine ( AATE ) program, is a United States Army project to develop a General Electric T700 replacement for the UH-60 Black Hawk and AH-64 Apache , improving fuel consumption, power, durability and cost. Honeywell and Pratt & Whitney formed

378-462: Is in the number of rotating compressor/turbine assemblies in the gas generator stage. The ATEC T900 is a dual-spool turboshaft, while the GE T901 is a single-spool design. In the single-spool design, the compressor is driven by a single turbine; the dual-spool design uses a separate shafts for a two-stage compressor, requiring two turbines. Both are free-turbine turboshafts, where an independent turbine

420-679: Is the GEnx , a development of the GE90. The engine was also the exclusive power plant on the Boeing 747-8 . The Lynn facility continues to assemble jet engines for the United States Department of Defense , subsidiary services, and commercial operators. Engines assembled at this plant include the F404 , F414 , T700 , and CFE738 . The plant at Lynn also produces the -3 and -8 variants of

462-446: Is used in the exhaust stream downstream of the gas generator to extract power. Although the dual-spool design allows each compressor stage to run in their optimal ranges, it makes the machine more complex. 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

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504-667: The ATEC joint venture to develop the T900 , while GE Aviation builds the T901 . In February 2019, the US Army selected the GE T901 as the winner of the program. 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

546-764: The Boeing 2707 supersonic airliner, and the GE9 engine for the USAF's Advanced Manned Strategic Aircraft, later GE F101 engines for the B-1 bomber.: The General Electric F101 was later developed into the General Electric F110 and CFM International CFM56 engines. The TF39 was the first high-bypass turbofan engine to enter production. Entered into the C-5 Galaxy contest in 1964 against similar designs from Curtiss-Wright and Pratt & Whitney , GE's entry

588-1039: The CF34 regional jet engine, the CT7 commercial turboprop power plant, and commercial versions of the T700 turboshaft which are also called the CT7. The Evendale plant conducts final assembly for the CFM International 's CFM56 , CF6 , as well as LM6000 , and LM2500 power plants. The Durham, North Carolina , facility conducts final assembly for the CFM LEAP , GEnx, CFM56, GE90 , GP7200, and CF34 power plants. Crucial parts for these engines are crafted in secondary GE Aviation facilities, such as those in Bromont, Quebec ; Hooksett, New Hampshire ; Wilmington, North Carolina ; Asheville, North Carolina ; Madisonville, Kentucky ; Rutland, Vermont ; and Muskegon, Michigan ; where

630-671: The CFE CFE738 , Pratt & Whitney on the Engine Alliance GP7000 , and, more recently, Honda for the GE Honda Aero Engines small turbofan project. GE also continued the development of its own lines, introducing new civilian models like the GE90 , and military designs like the General Electric F110 . GE and competitor Rolls-Royce were selected by Boeing to power its new 787 . GE Aviation's offering

672-583: The Engineering and Manufacturing Development (EMD) contract for $ 517 million. Later that same month, ATEC protested the selection of the GE T901 over its T900 in a filing with the Government Accountability Office (GAO). The GAO denied the protest in a filing posted on May 30, 2019. Critical design review in the second quarter of 2020 will lead to first engine testing in the third quarter of 2021 before flight tests, and

714-635: The T58 and T64 turboshaft engines, the J85 turbojet, and F404 turbofan. Starting in 1961, General Electric started one of their most important research and development efforts, the GE1 technology demonstrator (originally designated the X101). The GE1 was a basic gas generator (compressor, combustor and turbine) onto which a variety of components such as fans, afterburners or other thrust vectoring devices could be added later. The design incorporated technologies such as

756-560: The T700 . It has been further developed as the CT7 turboprop engine for regional transports. In 1974 GE entered into an agreement with Snecma of France, forming CFM International to jointly produce a new mid-sized turbofan, which emerged as the CFM56 . A 50/50 joint partnership was formed with a new plant in Evendale, OH to produce the design. At first, sales were very difficult to come by, and

798-649: The UH-60 Black Hawk and AH-64 Apache rotorcraft, leveraging the DoD / NASA / DOE VAATE program. Refitting the existing fleet of twin-engine Black Hawks and Apaches would require a total of 6,215 engines, including spares. Any aircraft that currently uses the T700 or its commercial derivative, the CT7, also could be re-powered by the AATE, including commercial rotorcraft like the Sikorsky S-92 . Sikorsky

840-612: The AH-64 and UH-60 hot and high capacities and increase combat radius . In August 2016, ATEC and GE were awarded 24-month contracts under ITEP to take their engines through preliminary design review ; this phase culminated in April 2018 with ATEC and GE demonstrating their prototypes to the Army. On 1 February 2019, the US Army selected the GE T901 as the winner of the ITEP program, awarding

882-727: The HPW3000, and the other was awarded to GE Aviation in late 2007 for the GE3000. The four-and-a-half year science and technology phase covered durability and performance demonstration testing and was scheduled to conclude in 2013, but tests continued through 2014. In July 2009, the United States Army announced the development of AATE would continue under the Improved Turbine Engine Program (ITEP); ITEP would result in an engine that would improve

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924-562: The I-40 (now known as the J33 ) was also handed to Allison Engines in 1944. After the war ended, the Army canceled its orders for GE-built J33s and turned the entire production over to Allison, and the Syracuse plant closed. These changes in fortune led to debate within the company about carrying on in the aircraft engine market. However, the engineers at Lynn pressed ahead with the development of

966-637: The Persian Gulf. On December 23, 2012, GE announced that it has agreed to purchase the aeronautical division of Avio , an Italy-based manufacturer of aviation propulsion components and systems for civil and military aircraft, for $ 4.3 billion U.S. (EUR3.3 billion). GE Aviation follows through to develop a supersonic engine concept for Aerion with a configuration accommodating reasonably well requirements for supersonic speed, subsonic speed and noise levels. On July 18, 2022, GE announced that GE Aviation had been renamed "GE Aerospace", and would become

1008-538: The combat radius is projected to increase by 500 km (270 nmi). The hot and high service ceiling will be increased from 4,000 to 6,000 ft (1,200 to 1,800 m) at 95 °F (35 °C). Performance targets have been determined in part by operations in Afghanistan and Iraq, as well as growing airframe weights. The major difference between the ATEC HPW3000 (T900) and the GE3000 (T901) engines

1050-499: The combined unit the clout to resist pricing pressures from its two largest customers, Boeing and Airbus . Analysts further assert that it enables General Electric to acquire assets similar to those it desired in its failed bid for Honeywell in 2000. Along with the purchase of Smiths Aerospace, the purchase included opening the first University Development Center at Michigan Technological University in Houghton, Michigan , in

1092-418: The divestiture of GE HealthCare and GE Vernova (its energy businesses division). General Electric had a long history in steam turbine work, dating back to the 1900s. In 1903 they hired Sanford Alexander Moss , who started the development of turbosuperchargers at GE. This led to a series of record-breaking flights over the next ten years. At first, the role of the high-altitude flight was limited, but in

1134-742: The effort to work with engineering students to provide training in engineering and software development. The program has performed well and GE Aviation has announced further UDC openings at Kansas State University . In July 2008, governments in the Persian Gulf reached agreements with GE to expand engine maintenance operations there. The Wall Street Journal reported that Mubadala Development Company , which owns Abu Dhabi Aircraft Technologies, an overhaul, and maintenance company, signed an agreement worth an estimated $ 8 billion with GE; Abu Dhabi Aircraft Technologies will maintain and overhaul GE engines used in commercial aircraft purchased by airlines based in

1176-449: The engine blades and vanes are manufactured. Smiths Group and General Electric announced on January 15, 2007, that the former was divesting Smiths Aerospace to the latter for £ 2.4 billion ( US$  4.8 billion). GE Aviation closed the transaction on May 4, 2007. Smiths Aerospace, which was an important supplier, became an operating subsidiary of GE Aviation known as GE Aviation Systems . This acquisition will reportedly give

1218-528: The first US combat-capable jet fighters, the P-80 Shooting Star . Early jet engine work took place at GE's Syracuse, New York, (steam turbine) and Lynn, Massachusetts , (supercharger) plants, but soon concentrated at the Lynn plants. On 31 July 1945 the Lynn plant became the "Aircraft Gas Turbine Division". GE was repeatedly unable to deliver enough engines for Army and Navy demand, and production of

1260-411: The name of General Electric Aircraft Engines ( GEAE ) until September 2005, and as GE Aviation until July 2022. In July 2022, GE Aviation changed its name to GE Aerospace in a move executives say reflects the engine maker's intention to broaden its focus beyond aircraft engines. In April 2024, GE Aerospace became the only business line of the former General Electric conglomerate, after it had completed

1302-623: The project was due to be canceled. Only two weeks before this was to happen, in March 1979, several companies selected the CFM56 to re-engine their existing Douglas DC-8 fleets. By July 2010, CFM International had delivered their 21,000th engine of the CFM56 family, with an ongoing production rate of 1250 per year, against a four-year production backlog. The success of the CFM led GE to join in several similar partnerships, including Garrett AiResearch for

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1344-404: The same term [REDACTED] This disambiguation page lists articles associated with the title ITEP . If an internal link led you here, you may wish to change the link to point directly to the intended article. Retrieved from " https://en.wikipedia.org/w/index.php?title=ITEP&oldid=874365406 " Category : Disambiguation pages Hidden categories: Short description

1386-457: The successor to the GE company once the spinoffs of its subsidiaries are completed. GE Aerospace will own the GE trademark and logo, and will license the brand to the other companies, GE HealthCare and GE Vernova . Recently, they have started incorporating 3D printing technologies in their engines and have incorporated the manufacturing process in the newly designed GE9X , the largest jet engine in

1428-659: The time the lines closed down in 1956. Further development of the J47 by led to the J73 , and from there into the much more powerful J79 . The J79 was GE's second "hit", leading to a production run of 17,000 in several different countries. The GE and Lockheed team that developed the J79 and the F-104 Mach 2 fighter aircraft received the 1958 Collier Trophy for outstanding technical achievement in aviation. Other successes followed, including

1470-623: The two-spool HPW3000 and completed Gas Generator (both High and Low Pressure systems) testing in January 2012. Durability testing of the first HPW3000 completed in October 2013. A second HPW3000 was tested for performance and sand ingestion during late summer 2014. In February 2017, the Army designated the HPW3000 design as the T900-HPW-900 engine. Since 2010, GE has been developing and testing T901 -specific technologies. The second GE3000

1512-488: The world's leading supplier of aircraft engines and GE's most successful partnership, is a 50/50 joint venture with the French company Safran Aircraft Engines . As of 2020, CFM International holds 39% of the world's commercial aircraft engine market share (while GE Aerospace itself holds a further 14%). GE Aerospace's main competitors in the engine market are Pratt & Whitney and Rolls-Royce . The division operated under

1554-484: The world. GE acquired Arcam EBM for electron beam melting , Concept Laser for laser melting , and material provider AP&C. Metal casting improves through competition with metal additive manufacturing , for which GE Additive believes it will soon compete with metal forging which will then be enhanced in response. Additive manufacturing is focused on new builds but can be used for part replacement: when complexity rise, costs can stays level – for example, replacing

1596-475: The years immediately prior to WWII they became standard equipment on practically all military aircraft. GE was a world leader in this technology; most other firms concentrated on the mechanically simpler supercharger driven by the engine itself, while GE had spent considerable effort developing the exhaust-driven turbo system that offered higher performance. This work made them the natural industrial partner to develop jet engines when Frank Whittle 's W.1 engine

1638-577: Was demonstrated to Hap Arnold in 1941. A production license was arranged in September, and several of the existing W.1 test engines shipped to the US for study, where they were converted to US manufacture as the I-A . GE quickly started production of improved versions; the I-16 ( J31 ) was produced in limited numbers starting in 1942, and the much more powerful I-40 (J33) followed in 1944, which went on to power

1680-725: Was selected as the winner during the final down-select in 1965. This led to a civilian model, the CF6 , which was offered for the Lockheed L-1011 and McDonnell Douglas DC-10 projects. Although Lockheed later changed their engine to the Rolls-Royce RB211 , the DC-10 continued with the CF6, and this success led to widespread sales on many large aircraft including the Boeing 747 . Another military-to-civilian success followed when GE

1722-515: Was selected to supply engines for the S-3 Viking and Fairchild Republic A-10 Thunderbolt II , developing a small high-bypass engine using technologies from the TF39. The resulting TF34 was adapted to become the CF34 , whose wide variety of models powers many of the regional jets flying today. In the early 1970s, GE was also selected to develop a modern turboshaft engine for helicopter use,

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1764-604: Was tested for performance, endurance, and sand ingestion in late spring 2014. In 2016, the Army awarded GE Aviation a 24-month contract for the T901 preliminary design review , and the prototype six month testing was completed in October 2017. The GE3000 engine was officially designated as the T901-GE-900 engine in January 2017. GE Aviation GE Aerospace both manufactures engines under its name and partners with other manufacturers to produce engines. CFM International ,

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