Pratt & Whitney Canada PW300
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| PW300 | |
|---|---|
| 300px | |
| PW308 used on the WhiteKnightTwo | |
| Type | Turbofan |
| National origin | Canada |
| Manufacturer | Pratt & Whitney Canada |
| Major applications | Cessna Citation Sovereign Dassault Falcon 2000 Dassault Falcon 7X Gulfstream G200 Scaled Composites WhiteKnightTwo |
The Pratt & Whitney Canada PW300 series is a family of turbofan engines developed by Pratt & Whitney Canada specifically for business jet applications.
Contents
Design and development
The basic configuration of the PW300 is as follows: single-stage fan, driven by a three-stage low pressure turbine, supercharging a four-stage axial/single-stage centrifugal high-pressure compressor, driven by a two-stage high-pressure turbine. An annular combustor is featured. Some versions have an unmixed exhaust, but the PW306 and PW308 include a forced mixer. A Full Authority Digital Engine Control (FADEC) system is incorporated.
The PW307A is a new centre-line engine developed specifically for a tri-jet application on the Dassault Falcon 7X. The PW307 was certified by Transport Canada in March 2005.
The PW308A has been chosen to power the Scaled Composites White Knight Two, the launch aircraft for Virgin Galactic's SpaceShipTwo.[1]
Variants
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- PW305A
- 20.81kN variant used on the Bombardier Learjet 60
- PW305B
- 23.41kN variant used on the Hawker 1000
- PW306A
- 25.36kN variant used on the IAI Galaxy & Gulfstream G200
- PW306B
- variant used on the Dornier 328JET
- PW306C
- 25.67kN variant used on the Cessna Citation Sovereign
- PW306D
- 26.28kN variant used on the Cessna Citation Sovereign +
- PW306D1
- 25.6 kN variant used on the Cessna Citation Latitude
- PW307A
- 28.49kN variant used on the Dassault Falcon 7X[2]
- PW307B
- variant used on the Bombardier Learjet 85
- PW307D
- variant used on the Dassault Falcon 8X
- PW308A
- 30.69kN (6900 lb) variant used on the Hawker 4000 & Scaled Composites White Knight Two[3]
- PW308C
- 31.14kN variant used on the Dassault Falcon 2000EX/DX/LX
Applications
- Cessna Citation Sovereign
- Dassault Falcon 2000EX/DX/LX
- Dassault Falcon 7X
- Fairchild Dornier 328JET
- Fairchild Dornier 428JET
- Gulfstream G200
- Hawker 1000
- Hawker 4000
- Learjet 60
- Learjet 85
- Scaled Composites White Knight Two
- Cessna Citation Sovereign +
- Cessna Citation Latitude
Specifications (PW306B)
General characteristics
- Type: Turbofan
- Length: 1888mm
- Diameter: 1138mm
- Dry weight: 522.1 kg
Components
- Compressor: 4-stage axial and single stage centrifugal HPC
- Turbine: 2 stage high pressure, 3 stage low pressure turbines.
Performance
- Maximum thrust: 26.91kN
- Overall pressure ratio: 20.58:1
- Bypass ratio: 4.24
- Turbine inlet temperature: 920 °C
- Thrust-to-weight ratio: 5.3:1
See also
- Related lists
References
External links
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