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General Electric CF700

From Wikipedia, the free encyclopedia

Turbofan aircraft engine

CF700
ADassault Falcon 20 nacelle with its distinctive bypass intake
Type	Turbofan
National origin	United States
Manufacturer	General Electric
First run	1960s
Major applications	Dassault Falcon 20 North American Sabreliner
Developed from	General Electric CJ610

TheGeneral Electric CF700 (military designationTF37) is an aft-fanturbofan development of theCJ610 turbojet. The fan blades are an extension of the low-pressure turbine blades.

Variants

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CF700-2B: Baseline aft-fan CJ610 variant rated at 4,200 lbf (19,000 N) for take-off
CF700-2V: The 2B modified for continuous vertical operation on theLunar Landing Research Vehicle (LLRV) andLunar Landing Training Vehicle (LLTV)
TF37-GE-1: Military version of the CF700-2V on theBoeing Model 853-21 Quiet Bird

Applications

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Specifications (CF700)

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Data from^[1]^[2]

General characteristics

Type: Two-spool aft-fanturbofan
Length: 75.5 in (1,918 mm)
Diameter: 33 in (838 mm)
Dry weight: 735 lb (333.4 kg) with optional thrust reverser

Components

Compressor: 8 stage high pressure compressor + 1 stage fan directly driven by the free LP turbine
Turbine: 2 stage high pressure turbine, 1 stage low pressure turbine
Fuel type: Aviation kerosene

Performance

Maximumthrust: 4,550 lbf (20.24 kN)
Bypass ratio: 2.0:1
Air mass flow: 84 lb/s (38 kg/s) through the fan
Specific fuel consumption: 0.67 lb/lbf·hr (68.3·kg/kN·h) at maximum cruising speed
Thrust-to-weight ratio: 6.6

References

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^Model CF700.GE AE Website Archived 2010-01-16 at theWayback Machine. Accessed 2 Nov 2009.
^Taylor, John W.R. FRHistS. ARAeS (1962).Jane's All the World's Aircraft 1962-63. London: Sampson, Low, Marston & Co Ltd.

Taylor, John W.R. FRHistS. ARAeS (1962).Jane's All the World's Aircraft 1962-63. London: Sampson, Low, Marston & Co Ltd.
Gunston, Bill (2006).World Encyclopedia of Aero Engines, 5th Edition. Phoenix Mill, Gloucestershire, England, UK: Sutton Publishing Limited.ISBN 0-7509-4479-X.

External links

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GE CF700 web page
Cutaway CF700 Turbofan Engine Model AE-06-700 Archived 2019-01-27 at theWayback Machine
Aft-fan CF700 cutaway

v t e GE Aircraft Engines/GE Aviation/GE Aerospace aircraft engines
Turbojets	CJ610 CJ805 GE1 GE4/J5 I-A J31 J33 J35 J47 J73 J79 J85 J87 YJ93 J97 YJ101
Turbofans	Affinity CF6 CF34 CF700 CFE738† CFM56† CJ805-23 GE90 GE9X GEnx GP7000† HF120† LEAP† Passport F101 F108† F110 F118 YF120 F136† F404/F412 F414 RM12† RM16 TF34 TF39 XA100 XA102
Turboprops andturboshafts	Catalyst CT7 CT58 CT64 GE27 GE38 H-Series T31 T58 T64 T407 T408 T700 T901
Aeroderivative gas turbine engines	LM500 LM1500 LM1600 LM2500 LM6000 LM9000 LMS100
Propfans	GE36 RISE†
†Joint development aeroengines

v t e United States military gas turbine aircraft enginedesignation system
Turbojets	J30 J31 J32 J33 J34 J35 J36 J37 XJ38 J39 J40 XJ41 J42 J43 J44 J45 J46 J47 J48 XJ49 J51 J52 J53 J54 J55 J56 J57 J58 J59 J60 J61 J63 J65 J67 J69 J71 J73 J75 J79 J81 J83 J85 J87 J89 J91 YJ93 J95 J97 J99 J100 YJ101 J102 J400 J401 J402 J403 J700
Turboprops/ Turboshafts	T30 T31 T33 T34 T35 T36 T37 T38 T39 T40 T41 T42 T43 T44 T45 T46 T47 T48 T49 T50 T51 T52 T53 T54 T55 T56 (variants) T57 T58 T60 T61 T62 T63 T64 T65 T66 T67 T68 T69 T70 T71 T72 T73 T74 T76 T78 T80 T100 T101 T400 T405 T406 T407 T408 T700 T701 T702 T703 T706 T708 LHTEC T800 APW T800 T900 T901
Turbofans	TF30 TF31 TF32 TF33 TF34 TF35 TF37 TF39 TF41 F100 F101 F102 F103 F104 F105 F106 F107 F108 F109 F110 F112 F113 F117 F118 F119 YF120 F121 F122 F124 F125 F126 F127 F128 F129 F130 F135 F136 F137 F138 F400 F401 F402 F404 F405 F408 F412 F414 F415
Adaptive cycle engines	XA100 XA101 XA102 XA103