PW1921G

Turbofan · Pratt & Whitney
Reaction Turbines
Maximum Takeoff Thrust
100.3 kN
Bypass Ratio
11.36
Overall Pressure Ratio
35.76
Fuel Flow Take Off
0.71 kg/s
NOx Unitaryto CAEP8
60 % of limit

Architecture

Fan Fan Stages — Fan Blades — Fan Technology — Fan Pressure Ratio —
Gearbox Geared Fan Yes 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 TALON X, Block-C
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 11.36 Overall Pressure Ratio 35.76 Afterburner No

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Similar reaction turbines

Name Aircraft Engine Manufacturer Maximum Takeoff Thrust (kN) Bypass Ratio Overall Pressure Ratio
PW1921G Pratt & Whitney 100.3 11.36 35.76 Compare
PW1521G Pratt & Whitney 97.72 11.37 35.11 Compare
PW1521GA Pratt & Whitney 97.72 11.37 35.11 Compare
PW1922G Pratt & Whitney 105.93 11.16 37.74 Compare
PW1923G-A Pratt & Whitney 105.93 11.16 37.74 Compare
PW1923G Pratt & Whitney 105.93 11.16 37.74 Compare
All data (80 fields)
Name
PW1921G
EASA ID
01P20PW188
Aircraft Engine Manufacturer
Pratt & Whitney
Aircraft Engine Type
Turbofan
Fuel
Jet A
Geared Fan
Yes
Combustion Chamber
TALON X, Block-C
Afterburner
No
Streams
2
Bypass Ratio
11.36
Overall Pressure Ratio
35.76
Maximum Takeoff Thrust (kN)
100.3
Hydrocarbon Take Off (g/kg fuel)
0
Hydrocarbon Climb Out (g/kg fuel)
0
Hydrocarbon Approach (g/kg fuel)
0.1
Hydrocarbon Idle (g/kg fuel)
0.1
Hydrocarbon Unitary Average (g/kN)
0.2
Hydrocarbon Unitary Range (g/kN)
0.2-0.3
Hydrocarbon Unitary Characteristic (g/kN)
0.3
Hydrocarbon Unitary Characteristicto Regulatory (% of limit)
2
Hydrocarbon LTO (g)
21
Carbon Monoxide Take Off (g/kg fuel)
0
Carbon Monoxide Climb Out (g/kg fuel)
0
Carbon Monoxide Approach (g/kg fuel)
2.7
Carbon Monoxide Idle (g/kg fuel)
19.8
Carbon Monoxide Unitary Average (g/kN)
23.5
Carbon Monoxide Unitary Range (g/kN)
23.3-23.8
Carbon Monoxide Unitary Characteristic (g/kN)
28.8
Carbon Monoxide Unitary Characteristicto Regulatory (% of limit)
24
NOx Take Off (g/kg fuel)
22.2
NOx Climb Out (g/kg fuel)
18.1
NOx Approach (g/kg fuel)
10
NOx Idle (g/kg fuel)
5.5
NOx Unitary Average (g/kN)
31.9
NOx Unitary Range (g/kN)
31.6-32.1
NOx Unitary Characteristic (g/kN)
37
NOx Unitaryto Standard (% of limit)
33
NOx Unitaryto CAEP2 (% of limit)
41
NOx Unitaryto CAEP4 (% of limit)
47
NOx Unitaryto CAEP6 (% of limit)
52
NOx Unitaryto CAEP8 (% of limit)
60
NOx LTO (g)
3199
Smoke Take Off (SN)
2.6
Smoke Climb Out (SN)
1.6
Smoke Approach (SN)
0.8
Smoke Idle (SN)
0.5
Smoke Max (SN)
2.6
Smoke Range (SN)
2.3-3.1
Smoke Characteristic (SN)
3.3
Smoke Characteristicto Regulatory (% of limit)
14
Fuel Flow Take Off (kg/s)
0.71
Fuel Flow Climbout (kg/s)
0.59
Fuel Flow Approach (kg/s)
0.21
Fuel Flow Idle (kg/s)
0.07
Fuel LTO (kg)
270.4
Fuel Venting Compliant
Yes
Carbon Monoxide LTO (g)
2356
Emissions Data Status
C
Emissions Data Superseded
Yes
Emissions Superseded By
04P20PW201
NOx Compliance Demonstration
2.3.2 e)
nvPME Imass Approach (mg/kg)
0.2086
nvPME Imass Climb Out (mg/kg)
5.5744
nvPME Imass Idle (mg/kg)
0.6604
nvPME Imass Max (mg/kg)
10.7272
nvPME Imass Take Off (mg/kg)
10.7272
nvPME Inum Approach (#/kg)
15011040000000
nvPME Inum Climb Out (#/kg)
174705600000000
nvPME Inum Idle (#/kg)
78131850000000
nvPME Inum Max (#/kg)
199133000000000
nvPME Inum Take Off (#/kg)
198874500000000
nvPMLTO Mass (mg)
840.3787
nvPMLTO Mass Per Thrust (mg/kN)
11.6459
nvPMLTO Mass To CAEP11 (% of limit)
2.1
nvPMLTO Number (#)
29069700000000000
nvPMLTO Number Per Thrust (#/kN)
402844300000000
nvPMLTO Number To CAEP11 (% of limit)
5.9
nvPM Mass Concentration Characteristic (mg/m³)
340.86
nvPM Mass Concentration Max (mg/m³)
264.81
nvPM Mass Concentration To CAEP10 (% of limit)
5.2