General Electric CF700

Turbofan aircraft engine

The General Electric CF700 (military designation TF37) is an aft-fan turbofan development of the CJ610 turbojet. The fan blades are an extension of the low-pressure turbine blades.

Variants

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 the Lunar Landing Research Vehicle (LLRV) and Lunar Landing Training Vehicle (LLTV)

TF37-GE-1

Military version of the CF700-2V

Applications

• Dassault Falcon 20
• North American Sabreliner Series 75A and 80
• Lunar Landing Research Vehicle/Lunar Landing Training Vehicle

Specifications (CF700)

Data from ^[1][2]

General characteristics

• Type: Two-spool aft-fan turbofan
• 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

• Maximum thrust: 4,550 lbf (20.24 kN)
• Bypass ratio: 2.0:1
• Air mass flow: 84 lb (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

See also

Related development

• General Electric CJ610
• General Electric J85

Comparable engines

• General Electric CJ805-23

Related lists

• List of aircraft engines

References

1. Model CF700. GE AE Website Archived 2010-01-16 at the Wayback Machine. Accessed 2 Nov 2009.
2. 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

• GE CF700 web page
• Cutaway CF700 Turbofan Engine Model AE-06-700
• Aft-fan CF700 cutaway