642:
366:
131:
285:" axial stages, with the inlet guide vanes and first two stator stages variable; an annular combustion chamber with central fuel injection to improve combustion and reduce smoke; a two-stage compressor turbine; and a two-stage free power turbine with tip-shrouded blades. The engine is designed for high reliability, featuring an inlet particle separator designed to spin out dirt, sand, and dust. The T700-GE-700 is rated at 1,622 shp (1,210 kW) intermediate power.
25:
352:
The YT706 engine is based on the CT7-8A engine. Compared with the H-60's primary T700 engine, the T706 has a larger compressor, hot section improvements, and full authority digital engine control. The T706 is rated at 2,600 shp (1,939 kW) and increases the hot-and-high mission capability
269:
In 1967, General
Electric began work on a new turboshaft engine demonstrator designated the "GE12" in response to US Army interest in a next-generation utility helicopter. The GE12 was designed and conceived by GE's Art Adamson and Art Adinolfi. In 1967, both GE and Pratt & Whitney were awarded
641:
349:, with a five-stage axial/one-stage centrifugal mixed-flow compressor, an annular combustor with 15 burners; a two-stage compressor turbine, a three-stage power turbine, and max takeoff power of 6,000 shp (4,475 kW).
1235:
1406:
1210:
1079:
330:
The CT7 turboprop variants use the same core as the turboshaft variants, with a propeller gearbox fitted forward of the core. CT7 turboprops are used on variants of the
Swedish
2878:
1964:
1368:
1243:
483:: The CT7-6/-6A turboshaft engines are upgraded commercial variants of the successful T700/CT7 engine family. The turboshaft engine powers the entire development fleet of
2405:
2385:
2370:
2213:
2838:
2644:
2601:
1214:
2103:
1527:
1413:
277:
The T700 was initially bench-tested in 1973, passed military qualification in 1976, and went into production in 1978. The initial "T700-GE-700" is an ungeared
1977:
2490:
1488:
1169:
2485:
2233:
1957:
493:: The CT7-8 is a family of powerful engines in the 2,500 to 3,000 shp class. They are more powerful and more efficient versions of its predecessors.
2537:
270:
contracts to work parallel with each other to design, fabricate, and test the technology. The Army effort led, in the 1970s, to development of the
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2223:
2148:
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2530:
2500:
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2118:
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2143:
2133:
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1950:
509:: A more fuel efficient version of the CT7-8A. It is used to power newer Sikorsky S-92/H-92 helicopters. The CT7-8A1 produces 2,520 shp.
2932:
1143:
1110:
1080:"Stayin' Alive: Trusty GE Chopper Engine That Entered Service When The Bee Gees Ruled The Charts Wins New $ 1 Billion Lease On Life"
89:
1342:
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365:
130:
61:
1933:
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42:
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1973:
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437:: First rear-drive version of the T700 family, a product from the joint development with Samsung Techwin (later became
75:
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57:
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1397:
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46:
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665:
1173:
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G airliner, all twin-turboprop aircraft. The baseline CT7-5A provides 1,735 shp (1,294 kW) on takeoff.
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1264:
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717:
528:
helicopters. It is the most modern version of the CT7/T700 engine family. The CT7-8A7 produces 3,000 shp.
399:: The improved T700-GE-701A, -701B, -701C,-701D versions have also been developed from the original -700.
1003:
0.433 lb/(hp⋅h) (263 g/kWh) (T700/T6E) to 0.465 lb/(hp⋅h) (283 g/kWh) (T700-GE-701A)
520:: Developed by GE as an uprated, more efficient and more reliable version of the CT7-8A1 engine for the
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47 in (1,200 mm) (T700-GE-700/701 series); 48.2 in (1,220 mm) (T700/T6A)
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Black Hawk, powered by twin GE "T700" turboshafts, the production descendant of the GE12.
8:
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1972:
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465:: Higher flow compressor and surface coatings to improve resistance to wear and corrosion
431:. Developed for use in the Sikorsky/Turkish Aerospace Industries T-70 utility helicopter.
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helicopter. These are all twin-engine machines, except for the three-engined EH101.
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A U.S. Navy Sailor performing maintenance on a T700 engine from a MH-60R Sea Hawk.
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The T700-GE-700 was followed by improved and uprated Army engine variants for the
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The commercial version of the T700 is the "CT7", with the engine used on the
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derivative of the Black Hawk, all of which are twin-engine helicopters.
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323:(an enlarged version of the Huey), commercial Black Hawks, and the
207:
1907:
916:
345:
In the late 1980s, GE also proposed a much larger turboprop, the
261:
engines in the 1,500–3,000 shp (1,100–2,200 kW) class.
1452:
General
Electric T700/CT7 Engine Family page on GE Aviation site
1112:
The
History of North American Small Gas Turbine Aircraft Engines
308:. T700s are also used on Italian and commercial variants of the
296:
helicopters, as well as marinized naval engine variants for the
428:
282:
1332:
Govt
Competitive Test UTTAS YUH-60A, USAAEFA Proj # 74-06-1
934:
369:
US Marines perform maintenance on the T700-GE-401C from a
471:: Similar to the CT7-2D but uses a CT7-6 type hot section
1036:, a program to develop a replacement for the T700 engine
487:
helicopters with thousands of flight hours of operation.
499:: A version of the CT7-8 family used to power older
1433:The initial version of this article was based on a
49:. Unsourced material may be challenged and removed.
405:: Navalised version for SH-60 Seahawk helicopters.
1170:"GE YT706 Production Contract Awarded by US Army"
1015:3.84 shp/lb (6.31 kW/kg) (YT700-GE-700)
2924:
1462:General Electric CT7 Cutaway by FlightGlobal.com
1307:
1285:
1283:
1078:Kover, Amy; Kellner, Tomas (December 16, 2019).
1071:
1018:3.71 shp/lb (6.10 kW/kg) (T700-GE-700)
863:25 to 26 in (640 to 660 mm) (T700/T6E)
1109:Leyes, Richard A.; Fleming, William A. (1999).
1958:
1482:
1280:
1104:
1102:
1100:
1021:4.48 shp/lb (7.37 kW/kg) (T700/T6E)
1366:
1108:
1077:
983:YT706-GE-700: 2,638 shp (1,967 kW)
417:: Universal application version of the -701.
411:: Universal application version of the -401.
977:T700-GE-700: 1,622 shp (1,210 kW)
947:Self contained, pressurized, recirculating
1965:
1951:
1489:
1475:
1097:
837:
577:: Compact shortened and lightened version.
16:Family of turboshaft and turboprop engines
1301:
1187:
1172:. GE Aviation. 2007-08-13. Archived from
334:airliner, the Indonesian-Spanish Airtech
264:
109:Learn how and when to remove this message
1335:
1265:"T700-701K turboshaft engines datasheet"
980:T700/T6E: 2,380 shp (1,775 kW)
872:400 lb (180 kg) (YT700-GE-700)
832:
640:
364:
312:helicopter, and Italian variants of the
1310:Jane's All the World's Aircraft 1988-89
875:437 lb (198 kg) (T700-GE-700)
2925:
1457:Jet Engines by Greg Goebel on faqs.org
1370:GE turbines and small engines overview
649:
1946:
1470:
357:for Special Operations applications.
1407:Type Certificate Data Sheet No. E8NE
1312:. London: Jane's Information Group.
1162:
878:537 lb (244 kg) (T700/T6E)
47:adding citations to reliable sources
18:
1367:Peter deBock (September 18, 2019).
1211:"The General Electric T-700/T-701C"
787:
13:
1034:Advanced Affordable Turbine Engine
445:with Hanwha's licensed production.
300:derivative of the Black Hawk, the
14:
2949:
2933:General Electric aircraft engines
1445:
1399:U.S. Department of Transportation
1497:GE Aircraft Engines/GE Aviation/
804:
129:
23:
1403:Federal Aviation Administration
1360:
1343:"GE YT706 Power Specifications"
1326:
1198:Jane's All the World's Aircraft
661:AgustaWestland CH-149 Cormorant
636:
423:: Licensed produced version of
34:needs additional citations for
1308:John W.R. Taylor, ed. (1988).
1291:"The CT7 Engine - GE Aviation"
1257:
1228:
1203:
1196:(online subscription article)
1136:
954:
452:: Commercial version of T700.
380:: Military turboshaft engine.
1:
1934:Joint development aeroengines
1345:. GE Aviation. Archived from
1064:
884:
666:Lockheed Martin VH-71 Kestrel
1976:gas turbine aircraft engine
1084:GE Reports: Future of Flight
570:: Turboprop version of CT7.
477:: Leonardo Helicopters AW189
7:
1236:"TEI TO POWER BLACKHAWKS |"
1027:
718:Kaman SH-2G Super Seasprite
360:
338:cargolifter, and the Czech
10:
2954:
794:Sikorsky MH-60M Black Hawk
728:Leonardo Helicopters AW249
310:AgustaWestland EH101/AW101
2887:
2630:
2286:
1984:
1930:
1906:
1856:
1766:
1603:
1508:
999:Specific fuel consumption
966:YT700-GE-700: 1,536
768:Sikorsky UH-60 Black Hawk
738:Sikorsky S-70/H-60 series
212:Sikorsky UH-60 Black Hawk
128:
123:
2938:1970s turboshaft engines
1439:Greg Goebel's Vectorsite
1412:(Report). Archived from
1378:ARPA-e INTEGRATE meeting
1059:List of aircraft engines
758:Sikorsky HH-60 Pave Hawk
522:Royal Canadian Air Force
1405:(FAA) (July 20, 2020).
838:General characteristics
780:Sikorsky CH-148 Cyclone
526:Sikorsky CH-148 Cyclone
425:Tusaş Engine Industries
393:: Initial T700 variant.
279:free-turbine turboshaft
58:"General Electric T700"
2889:Adaptive cycle engines
1974:United States military
1148:Verti-flite, Volume 37
990:Overall pressure ratio
763:Sikorsky SH-60 Seahawk
753:Sikorsky HH-60 Jayhawk
646:
374:
265:Design and development
216:Sikorsky SH-60 Seahawk
1047:General Electric T901
1008:Power-to-weight ratio
961:Maximum power output:
833:Specifications (T700)
723:Kamov Ka-64 Sky Horse
693:Bell AH-1W SuperCobra
644:
368:
306:Bell AH-1W Supercobra
247:General Electric T700
238:General Electric T901
184:Bell AH-1W SuperCobra
799:Sikorsky S-97 Raider
678:AgustaWestland AW189
673:AgustaWestland AW149
656:AgustaWestland AW101
485:AgustaWestland AW101
387:: Prototype version.
43:improve this article
1041:Related development
708:Boeing AH-64 Apache
650:T700/CT7 turboshaft
353:of the U.S. Army's
196:Boeing AH-64 Apache
1978:designation system
1858:Aeroderivative gas
1295:www.geaviation.com
647:
501:Sikorsky S-92/H-92
375:
179:Major applications
2920:
2919:
1940:
1939:
1194:"Sikorsky S-70A."
733:NHIndustries NH90
355:MH-60M Black Hawk
314:NHIndustries NH90
243:
242:
119:
118:
111:
93:
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1967:
1960:
1953:
1944:
1943:
1502:aircraft engines
1491:
1484:
1477:
1468:
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1428:
1426:
1424:
1419:on July 16, 2021
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1411:
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1386:General Electric
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1299:
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1242:. Archived from
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1213:. Archived from
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893:6 stage-5 stage
811:CASA/IPTN CN-235
788:YT706 turboshaft
713:KAI KUH-1 Surion
703:Bell UH-1Y Venom
698:Bell AH-1Z Viper
443:KAI KUH-1 Surion
441:). Powering the
439:Hanwha Aerospace
290:UH-60 Black Hawk
253:are a family of
234:
224:
204:KAI KUH-1 Surion
200:CASA/IPTN CN-235
192:Bell UH-1Y Venom
188:Bell AH-1Z Viper
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1860:turbine engines
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1382:Global Research
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1144:"Unknown Title"
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743:Mitsubishi H-60
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302:SH-2G Seasprite
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1349:on 2011-06-14
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1053:Related lists
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459:: Basic model
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421:T700-TEI-701D
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60: –
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54:Find sources:
48:
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38:
37:
32:This article
30:
26:
21:
20:
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2576:
1842:
1785:
1499:GE Aerospace
1432:
1431:
1421:. Retrieved
1414:the original
1381:
1369:
1362:
1351:. Retrieved
1347:the original
1337:
1328:
1309:
1303:
1294:
1273:GE Aerospace
1271:
1259:
1248:. Retrieved
1244:the original
1239:
1230:
1219:. Retrieved
1215:the original
1205:
1197:
1189:
1178:. Retrieved
1174:the original
1164:
1152:. Retrieved
1147:
1138:
1126:. Retrieved
1111:
1087:. Retrieved
1083:
1073:
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1051:
1040:
1039:
1006:
997:
988:
970:(1,145
960:
944:
931:
925:and 2 stage
915:
904:
890:
866:
860:
854:
843:
827:Sukhoi Su-80
637:Applications
630:
625:
620:
615:
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605:
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561:
556:
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503:helicopters.
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420:
415:T700-GE-701C
414:
409:T700-GE-401C
408:
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377:
376:
351:
344:
329:
318:
294:AH-64 Apache
287:
276:
268:
250:
246:
244:
227:Over 20,000
223:Number built
105:
99:January 2010
96:
86:
79:
72:
65:
53:
41:Please help
36:verification
33:
2293:Turboshafts
1773:turboshafts
955:Performance
945:Oil system:
899:centrifugal
891:Compressor:
867:Dry weight:
403:T700-GE-401
397:T700-GE-701
391:T700-GE-700
164:GE Aviation
124:T700 / CT7
2927:Categories
2607:LHTEC T800
2288:Turboprops
1768:Turboprops
1353:2011-06-02
1250:2016-09-17
1221:2022-07-09
1180:2007-08-16
1065:References
932:Fuel type:
906:Combustors
897:, 1 stage
885:Components
847:Turboshaft
683:Bell 214ST
373:helicopter
371:Bell UH-1Y
347:T407/GLC38
321:Bell 214ST
304:, and the
255:turboshaft
170:First run
142:Turboshaft
69:newspapers
2632:Turbofans
1986:Turbojets
1722:F404/F412
1605:Turbofans
1510:Turbojets
1401:(USDOT),
1154:5 October
1128:5 October
861:Diameter:
816:Let L-610
481:CT7-6/-6A
435:T700-701K
340:Let L-610
259:turboprop
2612:APW T800
2430:variants
1908:Propfans
1811:H-Series
1781:Catalyst
1683:Passport
1645:CJ805-23
1613:Affinity
1423:July 20,
1115:. AIAA.
1028:See also
949:dry sump
921:2 stage
822:Saab 340
688:Bell 525
361:Variants
332:Saab 340
292:and the
208:Saab 340
2428: (
1089:May 15,
917:Turbine
911:Annular
855:Length:
631:CT7-9D2
621:CT7-9C3
611:CT7-9B2
606:CT7-9B1
596:CT7-7A1
586:CT7-5A3
581:CT7-5A2
562:CT7-8F5
552:CT7-8E6
547:CT7-8E5
537:CT7-8B5
518:CT7-8A7
513:CT7-8A5
507:CT7-8A1
475:CT7-2E1
469:CT7-2D1
83:scholar
1898:LMS100
1893:LM9000
1888:LM6000
1883:LM2500
1878:LM1600
1873:LM1500
1665:GP7000
1633:CFE738
1533:GE4/J5
1316:
1150:. 1991
1119:
850:engine
626:CT7-9D
616:CT7-9C
601:CT7-9B
591:CT7-7A
557:CT7-8F
542:CT7-8E
532:CT7-8B
497:CT7-8A
463:CT7-2D
457:CT7-2A
429:Turkey
336:CN-235
85:
78:
71:
64:
56:
2912:XA103
2907:XA102
2902:XA101
2897:XA100
2767:YF120
2244:YJ101
1868:LM500
1758:XA102
1753:XA100
1711:YF120
1671:HF120
1639:CFM56
1628:CF700
1595:YJ101
1523:CJ805
1518:CJ610
1417:(PDF)
1410:(PDF)
1374:(PDF)
1268:(PDF)
895:axial
844:Type:
575:CT7-3
491:CT7-8
385:YT700
283:blisk
173:1973
138:Type
90:JSTOR
76:books
2879:F415
2874:F414
2869:F412
2864:F408
2859:F405
2854:F404
2849:F402
2844:F401
2839:F400
2832:F138
2827:F137
2822:F136
2817:F135
2812:F130
2807:F129
2802:F128
2797:F127
2792:F126
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2782:F124
2777:F122
2772:F121
2762:F119
2757:F118
2752:F117
2747:F113
2742:F112
2737:F110
2732:F109
2727:F108
2722:F107
2717:F106
2712:F105
2707:F104
2702:F103
2697:F102
2692:F101
2687:F100
2680:TF41
2675:TF39
2670:TF37
2665:TF35
2660:TF34
2655:TF33
2650:TF32
2645:TF31
2640:TF30
2622:T901
2617:T900
2602:T708
2597:T706
2592:T703
2587:T702
2582:T701
2577:T700
2570:T408
2565:T407
2560:T406
2555:T405
2550:T400
2543:T101
2538:T100
2278:J700
2271:J403
2266:J402
2261:J401
2256:J400
2249:J102
2239:J100
2219:YJ93
2089:XJ49
2049:XJ41
2034:XJ38
1921:RISE
1916:GE36
1848:T901
1843:T700
1838:T408
1833:T407
1806:GE38
1801:GE27
1796:CT64
1791:CT58
1771:and
1748:TF39
1743:TF34
1738:RM16
1732:RM12
1727:F414
1716:F136
1706:F118
1701:F110
1695:F108
1690:F101
1677:LEAP
1660:GEnx
1655:GE9X
1650:GE90
1623:CF34
1585:YJ93
1425:2021
1314:ISBN
1156:2017
1130:2017
1117:ISBN
1091:2021
994:17:1
939:JP-5
935:JP-4
378:T700
257:and
249:and
245:The
62:news
2531:T80
2526:T78
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