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General Electric GE38

January 07, 2023

The General Electric GE38 is a gas turbine developed by GE Aviation for turboprop and turboshaft applications. It powers the Sikorsky CH-53K King Stallion as the T408.[1]

GE38 / T408
The T408 on a CH-53K King Stallion
Type Turboshaft
National origin United States
Manufacturer GE Aviation
First run December 26, 1989
Major applications Sikorsky CH-53K King Stallion (T408)
Developed into CFE CFE738

Design and development

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 Bell Boeing V-22 Osprey tiltrotor aircraft. The GE27 also had a compressor air flow of 27–28 pounds per second (12–13 kg/s) and a turbine temperature of 2,400–2,500 °F (1,320–1,370 °C; 2,860–2,960 °R; 1,590–1,640 K).[2] The GE27 first ran in late 1984, but it unexpectedly lost the V-22 engine competition to the Allison 501-M80C, which was not a participant in the MTDE program.[4]

In the late 1980s, GE used the GE27 as the basis for the commercial development of turboshafts, turboprops, turbofans, and propfans under the GE38 name. GE formed a 50/50 venture with Garrett (then a division of AlliedSignal) to develop the turbofan variant[5] called the CFE (Commercial Fan Engines) CFE738, which used the GE27's gas generator core.[2] One of a range of advertised GE38 unducted fan (UDF) sizes,[5] the 9,620 lbf (4,360 kgf; 42.8 kN) takeoff thrust GE38-B5 was for a time the baseline engine for the West German-Chinese MPC-75 regional airliner.[6] The GE38 became the T407 military turboprop in partnership with Lycoming Engines for the Lockheed P-7A, with a maximum takeoff power of 6,000 shp (4,475 kW). First run on December 26, 1989,[7] the T407 engine was scheduled to undergo flight testing on a Lockheed P-3 Orion testbed aircraft in the summer of 1990,[8] but the US Navy canceled Lockheed's P-7 contract on July 20, 1990.[9] The commercial version of the T407 was the GLC38 (General Electric/Lycoming Commercial 38), which was unsuccessfully offered for several turboprop airliners in the late 1980s and early 1990s.[2]

The new T408 (GE38-1B) is slated to power the new Sikorsky CH-53K King Stallion three-engined helicopter for the US Marine Corps. It has a power rating of 7,500 shp.[10] The GE38 completed its first round of ground testing in May 2010.[11] Two test engines have completed over 1,000 hours of ground testing by November 2011. Five test engines will be used in the 5,000-hour test program.[12] In September 2019, GE delivered the first production T408 engine to the U.S. Naval Air Systems Command (NAVAIR) for the CH-53K.[13] GE also offered the engine to power the U.S. Navy's Ship-to-Shore Connector air-cushioned landing craft.

The T408 was also tested by the U.S. Army and Boeing as an alternative powerplant on an NCH-47D Chinook testbed helicopter. The helicopter configuration was ground tested beginning in late 2019, followed by an initial flight on September 22, 2020.[14] Conclusion of the test trials was announced on May 12, 2021.[15]

Variants

T407-GE-400
T408-GE-400 (GE38-1B)
CFE CFE738
Turbofan variant of the T407-GE-400, used on the Dassault Falcon
CPX38
Proposed turboprop engine variant of the GE38-1B[17]
GE38-3
An 8,000 shp (6,000 kW) class derivative engine under consideration by the U.S. military in 2006[18]
GE38-B5
A contra-rotating, ungeared, unducted fan (UDF) derivative with a bare engine weight (including the UDF) of 2,395 lb (1,086 kg), a UDF diameter of 85 inches (2.1 meters), and a blade count of 11 on one propeller and 9 on the other; provides a takeoff thrust of 9,644 lbf (4,374 kgf; 42.90 kN) with a thrust-specific fuel consumption (TSFC) of 0.240 lb/(lbf⋅h) (6.8 g/(kN⋅s)), and a cruise thrust of 2,190 lbf (990 kgf; 9.7 kN) with a TSFC of 0.519 lb/(lbf⋅h) (14.7 g/(kN⋅s)); proposed for the MPC 75 German-Chinese regional airliner in the late 1980s[6]
GLC38
Proposed turboprop variant of the T407-GE-400

Applications

Specifications (T408)

Data from GE Aviation.[19]

General characteristics

  • Type: Turboprop/turboshaft
  • Length: 57.5 inches (1.46 m)
  • Diameter: 27 inches (0.69 m)
  • Dry weight: 1,104.7 pounds (501.1 kg)

Components

  • Compressor: 5+1 Axi-Centrifugal compressor (5 axial stages and 1 centrifugal stage)
  • Turbine: a 3-Stage Power Turbine, a 2-stage-single crystal cooled HP turbine
  • Oil system: synthetic

Performance

See also

Related development

Comparable engines

Related lists

References

  1. ^ Sikorsky Unveils CH-53K Helicopter; U.S. Marine Corps Reveals Aircraft Name
  2. ^ a b c d Leyes II, Richard A.; Fleming, William A. (1999). The History of North American Small Gas Turbine Aircraft Engines. Washington, DC: Smithsonian Institution. pp. 365–372. ISBN 1-56347-332-1.
  3. ^ Zoccoli, Michael J.; Rusterholz, Kenneth P. (June 1–4, 1992). "An update on the development of the T407/GLC38 modern technology gas turbine engine" (PDF). Volume 2: Aircraft Engine; Marine; Microturbines and Small Turbomachinery. International Gas Turbine and Aeroengine Congress and Exposition. Cologne, Germany: American Society of Mechanical Engineers (ASME). doi:10.1115/92-GT-147. ISBN 978-0-7918-7894-1. OCLC 8518815331.
  4. ^ (PDF). Propulsion. Flight International. Vol. 129, no. 3995. Detroit, Michigan, USA. January 25, 1986. p. 16. ISSN 0015-3710. Archived from the original (PDF) on April 19, 2014.
  5. ^ a b "Manufacturers positioning for coming competitive battles". Air Transport World. Vol. 23. September 1986. pp. 20+. ISSN 0002-2543. Gale A4426985.
  6. ^ a b MBB CATIC Association (July 1987). MPC 75 feasibility study - Summary report: B1 - Project definition (PDF) (Report). pp. B1–2, B1–13, B1–23, B1–25, B1–30 to B1–32, B1–37, B1–45 to B1–46, Appendix B1-4.1 pages 20 to 31.
  7. ^ Zoccoli, Michael J.; Klassen, David D. (June 11–14, 1990). "T407/GLC38: A Modern Technology Powerplant". T407/GLC38: 'A modern technology powerplant' (PDF). Gas Turbine and Aeroengine Congress and Exposition. Brussels, Belgium: American Society of Mechanical Engineers (ASME). doi:10.1115/90-GT-242. ISBN 978-0-7918-7905-4. OCLC 7344745132.
  8. ^ Munson, Kenneth; Jackson, Paul; Gunston, Bill (July 1990). "Gallery of US Navy, Marine Corps, and Army aircraft". Air Force Magazine. Vol. 73, no. 7. p. 90. hdl:2027/osu.32435027300748. ISSN 0730-6784.
  9. ^ Vartabedian, Ralph (July 21, 1990). "Navy cancels $600-million Lockheed plane contract". Los Angeles Times. ISSN 0458-3035. from the original on October 29, 2020.
  10. ^ . GE Aviation, January 24, 2007.
  11. ^ . GE Aviation, May 6, 2010.
  12. ^ . GE Aviation, January 18, 2011.
  13. ^ Grillo, Thomas (October 25, 2019). "GE sends first T408 to Navy". Lynn Daily Item. ISSN 1532-5709.
  14. ^ Trevithick, Joseph (September 23, 2020). "CH-47 Chinook with far more powerful T408 engines has flown for the first time". The Drive.
  15. ^ Jennings, Gareth (May 13, 2021). "US Army concludes trial of Chinook fitted with King Stallion engines". Jane's.
  16. ^ Reim, Garrett (14 July 2020). "CH-47 Chinook flight tests with more powerful GE T408 engine could begin within weeks". FlightGlobal. Retrieved 5 August 2020.
  17. ^ O'Connor, Bill (October 5, 2010). "Turboprop version of GE38 turboshaft due mid-decade". AINonline.
  18. ^ National Research Council (NRC) (2006). "Derivative engine programs". A review of United States Air Force and Department of Defense aerospace propulsion needs (Report). p. 95. doi:10.17226/11780. ISBN 978-0-309-10247-6. OCLC 1050643189.
  19. ^ Model GE38 2009-02-08 at the Wayback Machine. GE Aviation. Retrieved: 19 October 2010.
  20. ^ deBock, Peter (September 18, 2019). GE turbines and small engines overview (PDF). 2019 INTEGRATE Annual Meeting. General Electric Global Research. ARPA-E. Retrieved September 23, 2021.

Bibliography

  • Trimble, Steve (October 14, 2020). "GE tests new FATE engine to offer Army upgraded T408". Aviation Week & Space Technology. ISSN 0005-2175.
  • (PDF). World Power Systems Briefing (Aero). Teal Group Corporation (Report). July 2020. Archived from the original on June 14, 2021.{{cite report}}: CS1 maint: unfit URL (link)
  • Trimble, Stephen (October 29 – November 4, 2013). "The power to go further: GE Aviation's GE38 may have its roots in the 1980s, but the manufacturer sees a wealth of opportunities for the new powerplant above and beyond Sikorsky's CH-53K" (PDF). Military engines. Flight International. No. 5413. pp. 38–39. ISSN 0015-3710. OCLC 5168234935. (PDF) from the original on October 29, 2020.
  • "GE developing marine version of engine". Defense News. Lynn, Massachusetts, USA. United Press International (UPI). January 18, 2011.
  • Gunston, Bill (2006). World Encyclopedia of Aero Engines, 5th Edition. Phoenix Mill, Gloucestershire, England, UK: Sutton Publishing Limited. p. 79. ISBN 0-7509-4479-X.
  • Johnson, Edward T.; Lindsay, Howard (June 11–14, 1990). "Advanced technology programs for small turboshaft engines: Past, present, future" (PDF). Volume 2: Aircraft Engine; Marine; Microturbines and Small Turbomachinery. Gas Turbine and Aeroengine Congress and Exposition. Brussels, Belgium: American Society of Mechanical Engineers (ASME). doi:10.1115/90-GT-267. ISBN 978-0-7918-7905-4. OCLC 8518938641.

External links

  • . Jane's Aero-Engines. Archived from the original on September 8, 2012.
  • GE38 page on deagel.com

January 07, 2023
general, electric, ge38, turbine, developed, aviation, turboprop, turboshaft, applications, powers, sikorsky, king, stallion, t408, ge38, t408the, t408, king, stalliontype, turboshaftnational, origin, united, statesmanufacturer, aviationfirst, december, 1989ma. The General Electric GE38 is a gas turbine developed by GE Aviation for turboprop and turboshaft applications It powers the Sikorsky CH 53K King Stallion as the T408 1 GE38 T408The T408 on a CH 53K King StallionType TurboshaftNational origin United StatesManufacturer GE AviationFirst run December 26 1989Major applications Sikorsky CH 53K King Stallion T408 Developed into CFE CFE738 Contents 1 Design and development 2 Variants 3 Applications 4 Specifications T408 4 1 General characteristics 4 2 Components 4 3 Performance 5 See also 6 References 7 Bibliography 8 External linksDesign and development EditThe 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 Bell Boeing V 22 Osprey tiltrotor aircraft The GE27 also had a compressor air flow of 27 28 pounds per second 12 13 kg s and a turbine temperature of 2 400 2 500 F 1 320 1 370 C 2 860 2 960 R 1 590 1 640 K 2 The GE27 first ran in late 1984 but it unexpectedly lost the V 22 engine competition to the Allison 501 M80C which was not a participant in the MTDE program 4 In the late 1980s GE used the GE27 as the basis for the commercial development of turboshafts turboprops turbofans and propfans under the GE38 name GE formed a 50 50 venture with Garrett then a division of AlliedSignal to develop the turbofan variant 5 called the CFE Commercial Fan Engines CFE738 which used the GE27 s gas generator core 2 One of a range of advertised GE38 unducted fan UDF sizes 5 the 9 620 lbf 4 360 kgf 42 8 kN takeoff thrust GE38 B5 was for a time the baseline engine for the West German Chinese MPC 75 regional airliner 6 The GE38 became the T407 military turboprop in partnership with Lycoming Engines for the Lockheed P 7A with a maximum takeoff power of 6 000 shp 4 475 kW First run on December 26 1989 7 the T407 engine was scheduled to undergo flight testing on a Lockheed P 3 Orion testbed aircraft in the summer of 1990 8 but the US Navy canceled Lockheed s P 7 contract on July 20 1990 9 The commercial version of the T407 was the GLC38 General Electric Lycoming Commercial 38 which was unsuccessfully offered for several turboprop airliners in the late 1980s and early 1990s 2 The new T408 GE38 1B is slated to power the new Sikorsky CH 53K King Stallion three engined helicopter for the US Marine Corps It has a power rating of 7 500 shp 10 The GE38 completed its first round of ground testing in May 2010 11 Two test engines have completed over 1 000 hours of ground testing by November 2011 Five test engines will be used in the 5 000 hour test program 12 In September 2019 GE delivered the first production T408 engine to the U S Naval Air Systems Command NAVAIR for the CH 53K 13 GE also offered the engine to power the U S Navy s Ship to Shore Connector air cushioned landing craft The T408 was also tested by the U S Army and Boeing as an alternative powerplant on an NCH 47D Chinook testbed helicopter The helicopter configuration was ground tested beginning in late 2019 followed by an initial flight on September 22 2020 14 Conclusion of the test trials was announced on May 12 2021 15 Variants EditT407 GE 400Lockheed P 7T408 GE 400 GE38 1B Boeing NCH 47D Chinook flying testbed 16 Sikorsky CH 53K King StallionCFE CFE738 Turbofan variant of the T407 GE 400 used on the Dassault Falcon CPX38 Proposed turboprop engine variant of the GE38 1B 17 GE38 3 An 8 000 shp 6 000 kW class derivative engine under consideration by the U S military in 2006 18 GE38 B5 A contra rotating ungeared unducted fan UDF derivative with a bare engine weight including the UDF of 2 395 lb 1 086 kg a UDF diameter of 85 inches 2 1 meters and a blade count of 11 on one propeller and 9 on the other provides a takeoff thrust of 9 644 lbf 4 374 kgf 42 90 kN with a thrust specific fuel consumption TSFC of 0 240 lb lbf h 6 8 g kN s and a cruise thrust of 2 190 lbf 990 kgf 9 7 kN with a TSFC of 0 519 lb lbf h 14 7 g kN s proposed for the MPC 75 German Chinese regional airliner in the late 1980s 6 GLC38 Proposed turboprop variant of the T407 GE 400Applications EditBoeing NCH 47D Chinook flying testbed Sikorsky CH 53K King StallionSpecifications T408 EditData from GE Aviation 19 General characteristics Type Turboprop turboshaft Length 57 5 inches 1 46 m Diameter 27 inches 0 69 m Dry weight 1 104 7 pounds 501 1 kg Components Compressor 5 1 Axi Centrifugal compressor 5 axial stages and 1 centrifugal stage Turbine a 3 Stage Power Turbine a 2 stage single crystal cooled HP turbine Oil system syntheticPerformance Maximum power output 7 500 shaft horsepower 5 600 kW Overall pressure ratio 18 6 1 OPR Specific fuel consumption About 0 4 lb hp h 0 24 kg kWh estimated 20 Power to weight ratio 6 8 shp lb 11 2 kW kg See also Edit Aviation portalRelated development CFE CFE738 General Electric GE36Comparable engines Allison T406 Honeywell T55 Pratt amp Whitney PW150Related lists List of aircraft enginesReferences Edit Sikorsky Unveils CH 53K Helicopter U S Marine Corps Reveals Aircraft Name a b c d Leyes II Richard A Fleming William A 1999 The History of North American Small Gas Turbine Aircraft Engines Washington DC Smithsonian Institution pp 365 372 ISBN 1 56347 332 1 Zoccoli Michael J Rusterholz Kenneth P June 1 4 1992 An update on the development of the T407 GLC38 modern technology gas turbine engine PDF Volume 2 Aircraft Engine Marine Microturbines and Small Turbomachinery International Gas Turbine and Aeroengine Congress and Exposition Cologne Germany American Society of Mechanical Engineers ASME doi 10 1115 92 GT 147 ISBN 978 0 7918 7894 1 OCLC 8518815331 Navy surprise on V 22 power PDF Propulsion Flight International Vol 129 no 3995 Detroit Michigan USA January 25 1986 p 16 ISSN 0015 3710 Archived from the original PDF on April 19 2014 a b Manufacturers positioning for coming competitive battles Air Transport World Vol 23 September 1986 pp 20 ISSN 0002 2543 Gale A4426985 a b MBB CATIC Association July 1987 MPC 75 feasibility study Summary report B1 Project definition PDF Report pp B1 2 B1 13 B1 23 B1 25 B1 30 to B1 32 B1 37 B1 45 to B1 46 Appendix B1 4 1 pages 20 to 31 Zoccoli Michael J Klassen David D June 11 14 1990 T407 GLC38 A Modern Technology Powerplant T407 GLC38 A modern technology powerplant PDF Gas Turbine and Aeroengine Congress and Exposition Brussels Belgium American Society of Mechanical Engineers ASME doi 10 1115 90 GT 242 ISBN 978 0 7918 7905 4 OCLC 7344745132 Munson Kenneth Jackson Paul Gunston Bill July 1990 Gallery of US Navy Marine Corps and Army aircraft Air Force Magazine Vol 73 no 7 p 90 hdl 2027 osu 32435027300748 ISSN 0730 6784 Vartabedian Ralph July 21 1990 Navy cancels 600 million Lockheed plane contract Los Angeles Times ISSN 0458 3035 Archived from the original on October 29 2020 GE Launches New Engine Program for U S Marine Corps Heavy lift Helicopter GE Aviation January 24 2007 GE38 Completes First Engine to Test Program GE Aviation May 6 2010 GE38 Looking to Take to the Sea GE Aviation January 18 2011 Grillo Thomas October 25 2019 GE sends first T408 to Navy Lynn Daily Item ISSN 1532 5709 Trevithick Joseph September 23 2020 CH 47 Chinook with far more powerful T408 engines has flown for the first time The Drive Jennings Gareth May 13 2021 US Army concludes trial of Chinook fitted with King Stallion engines Jane s Reim Garrett 14 July 2020 CH 47 Chinook flight tests with more powerful GE T408 engine could begin within weeks FlightGlobal Retrieved 5 August 2020 O Connor Bill October 5 2010 Turboprop version of GE38 turboshaft due mid decade AINonline National Research Council NRC 2006 Derivative engine programs A review of United States Air Force and Department of Defense aerospace propulsion needs Report p 95 doi 10 17226 11780 ISBN 978 0 309 10247 6 OCLC 1050643189 Model GE38 Archived 2009 02 08 at the Wayback Machine GE Aviation Retrieved 19 October 2010 deBock Peter September 18 2019 GE turbines and small engines overview PDF 2019 INTEGRATE Annual Meeting General Electric Global Research ARPA E Retrieved September 23 2021 Bibliography EditTrimble Steve October 14 2020 GE tests new FATE engine to offer Army upgraded T408 Aviation Week amp Space Technology ISSN 0005 2175 General Electric T408 PDF World Power Systems Briefing Aero Teal Group Corporation Report July 2020 Archived from the original on June 14 2021 a href Template Cite report html title Template Cite report cite report a CS1 maint unfit URL link Trimble Stephen October 29 November 4 2013 The power to go further GE Aviation s GE38 may have its roots in the 1980s but the manufacturer sees a wealth of opportunities for the new powerplant above and beyond Sikorsky s CH 53K PDF Military engines Flight International No 5413 pp 38 39 ISSN 0015 3710 OCLC 5168234935 Archived PDF from the original on October 29 2020 GE developing marine version of engine Defense News Lynn Massachusetts USA United Press International UPI January 18 2011 Gunston Bill 2006 World Encyclopedia of Aero Engines 5th Edition Phoenix Mill Gloucestershire England UK Sutton Publishing Limited p 79 ISBN 0 7509 4479 X Johnson Edward T Lindsay Howard June 11 14 1990 Advanced technology programs for small turboshaft engines Past present future PDF Volume 2 Aircraft Engine Marine Microturbines and Small Turbomachinery Gas Turbine and Aeroengine Congress and Exposition Brussels Belgium American Society of Mechanical Engineers ASME doi 10 1115 90 GT 267 ISBN 978 0 7918 7905 4 OCLC 8518938641 External links EditGeneral Electric GE38 page General Electric GE38 United States aero engines turboshaft Jane s Aero Engines Archived from the original on September 8 2012 GE38 page on deagel com Retrieved from https en wikipedia org w index php title General Electric GE38 amp oldid 1094908416, wikipedia, wiki, book, 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