General Electric CF700
Turbofan aircraft engine
From Wikipedia, the free encyclopedia
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.
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| CF700 | |
|---|---|
| A CF700 engine on display at the Museu do Ar. | |
| 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 |
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 on the Boeing Model 853-21 Quiet Bird
Applications
Specifications (CF700)
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/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
See also
Related development
Comparable engines
Related lists
