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JT9D-7R4G2 ✕
EASA ID 1PW029
Aircraft Engine Manufacturer Pratt & Whitney
Aircraft Engine Type Turbofan
Fuel Jet A
Geared Fan No
Afterburner No
Streams 2
Bypass Ratio 4.8
Overall Pressure Ratio 26.3
Maximum Takeoff Thrust (kN) 243.5
Hydrocarbon Take Off (g/kg fuel) 0.15
Hydrocarbon Climb Out (g/kg fuel) 0.14
Hydrocarbon Approach (g/kg fuel) 0.18
Hydrocarbon Idle (g/kg fuel) 1.55
Hydrocarbon Unitary Average (g/kN) 2.6
Hydrocarbon Unitary Characteristic (g/kN) 2.9
Hydrocarbon Unitary Characteristicto Regulatory (% of limit) 14.9
Hydrocarbon LTO (g) 620
Carbon Monoxide Take Off (g/kg fuel) 0.74
Carbon Monoxide Climb Out (g/kg fuel) 0.63
Carbon Monoxide Approach (g/kg fuel) 1.4
Carbon Monoxide Idle (g/kg fuel) 11.82
Carbon Monoxide Unitary Average (g/kN) 19.5
Carbon Monoxide Unitary Characteristic (g/kN) 20.7
Carbon Monoxide Unitary Characteristicto Regulatory (% of limit) 17.6
NOx Take Off (g/kg fuel) 41.3
NOx Climb Out (g/kg fuel) 29.5
NOx Approach (g/kg fuel) 8.8
NOx Idle (g/kg fuel) 3.8
NOx Unitary Average (g/kN) 60.5
NOx Unitary Characteristic (g/kN) 63.2
NOx Unitaryto Standard (% of limit) 68.3
NOx Unitaryto CAEP2 (% of limit) 85.4
NOx Unitaryto CAEP4 (% of limit) 103.5
NOx Unitaryto CAEP6 (% of limit) 117.7
NOx Unitaryto CAEP8 (% of limit) 140.7
NOx LTO (g) 14253
Smoke Take Off (SN) 6.8
Smoke Max (SN) 6.8
Smoke Characteristic (SN) 7.5
Smoke Characteristicto Regulatory (% of limit) 40.3
Fuel Flow Take Off (kg/s) 2.429
Fuel Flow Climbout (kg/s) 1.88
Fuel Flow Approach (kg/s) 0.659
Fuel Flow Idle (kg/s) 0.2239
Fuel LTO (kg) 858
Fuel Venting Compliant No
Carbon Monoxide LTO (g) 4582
Emissions Data Status C
Engine Status Out of production