Maximum Takeoff Thrust
302.48 kN
Bypass Ratio
5.1
Overall Pressure Ratio
33.1
Fuel Flow Take Off
2.836 kg/s
NOx Unitaryto CAEP8
134.2 % of limit
Architecture
| Fan | Fan Stages — | Fan Blades — | Fan Technology — | Fan Pressure Ratio — |
|---|---|---|---|---|
| Gearbox | Geared Fan No | Gear — | Reduction Ratio — | |
| LP compressor | Low-Pressure Compressor Stages — | Low-Pressure Compressor Technology — | BP Compressor Pressure Ratio — | |
| IP compressor | Intermediary-Pressure Compressor Stages — | Intermediary-Pressure Compressor Technology — | IP Compressor Pressure Ratio — | |
| HP compressor | High-Pressure Compressor Stages — | High-Pressure Compressor Technology — | HP Compressor Pressure Ratio — | |
| Combustor | Combustion Chamber Floatwall | |||
| HP turbine | High Pressure Compressor Stages — | High-Pressure Turbine Technology — | ||
| IP turbine | Intermediary-Pressure Turbine Stages — | Intermediary-Pressure Turbine Technology — | ||
| LP turbine | Low-Pressure Turbine Stages — | Low-Pressure Turbine Technology — | ||
| Whole engine | Streams 2 | Bypass Ratio 5.1 | Overall Pressure Ratio 33.1 | Afterburner No |
Pictures
Similar reaction turbines
| Name | Aircraft Engine Manufacturer | Maximum Takeoff Thrust (kN) | Bypass Ratio | Overall Pressure Ratio | |
|---|---|---|---|---|---|
| PW4168 | Pratt & Whitney | 302.48 | 5.1 | 33.1 | Compare |
| PW4168A | Pratt & Whitney | 302.5 | 5.1 | 31.84 | Compare |
| CF6-80E1A3 | GE Aircraft Engines | 304.8 | 5.1 | 35.7 | Compare |
| Trent 768 | Rolls-Royce | 304.2 | 5.15 | 34.48 | Compare |
| CF6-80E1A4 | GE Aircraft Engines | 297.44 | 5.1 | 34.5 | Compare |
| PW4168-1D | Pratt & Whitney | 305.1 | 4.92 | 33.1 | Compare |
All data (56 fields)
- Name
- PW4168A
- EASA ID
- 4PW067
- Aircraft Engine Manufacturer
- Pratt & Whitney
- Aircraft Engine Type
- Turbofan
- Fuel
- Jet A
- Geared Fan
- No
- Combustion Chamber
- Floatwall
- Afterburner
- No
- Streams
- 2
- Bypass Ratio
- 5.1
- Overall Pressure Ratio
- 33.1
- Maximum Takeoff Thrust (kN)
- 302.48
- Hydrocarbon Take Off (g/kg fuel)
- 0.03
- Hydrocarbon Climb Out (g/kg fuel)
- 0.04
- Hydrocarbon Approach (g/kg fuel)
- 0.15
- Hydrocarbon Idle (g/kg fuel)
- 3.29
- Hydrocarbon Unitary Average (g/kN)
- 3.9
- Hydrocarbon Unitary Characteristic (g/kN)
- 6
- Hydrocarbon Unitary Characteristicto Regulatory (% of limit)
- 30.6
- Hydrocarbon LTO (g)
- 1179
- Carbon Monoxide Take Off (g/kg fuel)
- 0.72
- Carbon Monoxide Climb Out (g/kg fuel)
- 0.74
- Carbon Monoxide Approach (g/kg fuel)
- 1.75
- Carbon Monoxide Idle (g/kg fuel)
- 23.51
- Carbon Monoxide Unitary Average (g/kN)
- 28.9
- Carbon Monoxide Unitary Characteristic (g/kN)
- 35.5
- Carbon Monoxide Unitary Characteristicto Regulatory (% of limit)
- 30.1
- NOx Take Off (g/kg fuel)
- 42.39
- NOx Climb Out (g/kg fuel)
- 33.91
- NOx Approach (g/kg fuel)
- 14.66
- NOx Idle (g/kg fuel)
- 4.15
- NOx Unitary Average (g/kN)
- 65.2
- NOx Unitary Characteristic (g/kN)
- 75.6
- NOx Unitaryto Standard (% of limit)
- 71.2
- NOx Unitaryto CAEP2 (% of limit)
- 89
- NOx Unitaryto CAEP4 (% of limit)
- 103.3
- NOx Unitaryto CAEP6 (% of limit)
- 116
- NOx Unitaryto CAEP8 (% of limit)
- 134.2
- NOx LTO (g)
- 19704
- Smoke Take Off (SN)
- 4
- Smoke Climb Out (SN)
- 2.6
- Smoke Approach (SN)
- 0.7
- Smoke Idle (SN)
- 0
- Smoke Max (SN)
- 4
- Smoke Characteristic (SN)
- 5.1
- Smoke Characteristicto Regulatory (% of limit)
- 29.2
- Fuel Flow Take Off (kg/s)
- 2.836
- Fuel Flow Climbout (kg/s)
- 2.327
- Fuel Flow Approach (kg/s)
- 0.798
- Fuel Flow Idle (kg/s)
- 0.221
- Fuel LTO (kg)
- 963
- Fuel Venting Compliant
- No
- Carbon Monoxide LTO (g)
- 8754
- Emissions Data Status
- C
- Engine Status
- Out of production
- NOx Compliance Demonstration
- 2.3.2 c)