LEAP-1C30/30B1

Turbofan · Family: LEAP-1C · CFM International
Maximum Takeoff Thrust
137.1379 kN
Bypass Ratio
10.4525
Overall Pressure Ratio
37.1195
Diameter
1956 mm
Length
4505 mm
Full Weight
3935 kg
Fuel Flow Take Off
1.0105 kg/s
NOx Unitaryto CAEP8
88.1 % of limit

Architecture

Fan Fan Stages — Fan Blades 18 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 TAPS II
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 10.4525 Overall Pressure Ratio 37.1195 Afterburner No

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LEAP-1C

Name Maximum Takeoff Thrust (kN) Bypass Ratio Overall Pressure Ratio Fuel Flow Take Off (kg/s) NOx LTO (g) NOx Unitaryto CAEP8 (% of limit) Smoke Max (SN) EASA ID
LEAP-1C28 129.9763 10.5594 35.4641 0.9469 6021.709 79.7 1.203 08P28CM150
LEAP-1C30/30B1 137.1379 10.4525 37.1195 1.0105 7395.37 88.1 1.203 08P28CM149

Similar reaction turbines

Name Family Aircraft Engine Manufacturer Maximum Takeoff Thrust (kN) Bypass Ratio Overall Pressure Ratio
LEAP-1A35A/33/33B2/32/30 LEAP-1A CFM International 143.1 10.5 38.6 Compare
PW1130G-JM Pratt & Whitney 134 11.7 35.52 Compare
PW1431GH-JM Pratt & Whitney 140.4386 11.8646 35.59 Compare
PW1431GA-JM Pratt & Whitney 140.4386 11.8646 35.59 Compare
PW1431G-JM Pratt & Whitney 140.4386 11.8646 35.59 Compare
PW1428GH-JM Pratt & Whitney 132.3829 12.102 33.32 Compare
All data (92 fields)
Name
LEAP-1C30/30B1
Family
LEAP-1C
EASA ID
08P28CM149
Aircraft Engine Manufacturer
CFM International
Aircraft Engine Type
Turbofan
Comment
COMAC C919
Full Weight (kg)
3935
Diameter (mm)
1956
Max Rotating Diameter (mm)
1956
Length (mm)
4505
Height (mm)
2714
Width (mm)
2659
Wikipedia Article (URL)
en.wikipedia.org/wiki/CFM_International_LEAP
Fuel
JET-A1
Fan Blades
18
Geared Fan
No
Combustion Chamber
TAPS II
Afterburner
No
Streams
2
Bypass Ratio
10.4525
Overall Pressure Ratio
37.1195
Maximum Takeoff Thrust (kN)
137.1379
Hydrocarbon Take Off (g/kg fuel)
0.0332
Hydrocarbon Climb Out (g/kg fuel)
0.0246
Hydrocarbon Approach (g/kg fuel)
0.0536
Hydrocarbon Idle (g/kg fuel)
0.6557
Hydrocarbon Unitary Average (g/kN)
0.7665
Hydrocarbon Unitary Sigma (g/kN)
0.2
Hydrocarbon Unitary Range (g/kN)
0.5-1
Hydrocarbon Unitary Characteristic (g/kN)
0.8746
Hydrocarbon Unitary Characteristicto Regulatory (% of limit)
4.4623
Hydrocarbon LTO (g)
105.1166
Carbon Monoxide Take Off (g/kg fuel)
0.0104
Carbon Monoxide Climb Out (g/kg fuel)
0.016
Carbon Monoxide Approach (g/kg fuel)
2.114
Carbon Monoxide Idle (g/kg fuel)
22.0567
Carbon Monoxide Unitary Average (g/kN)
24.9431
Carbon Monoxide Unitary SD (g/kN)
1.1
Carbon Monoxide Unitary Range (g/kN)
23.7-26.6
Carbon Monoxide Unitary Characteristic (g/kN)
26.6857
Carbon Monoxide Unitary Characteristicto Regulatory (% of limit)
22.615
NOx Take Off (g/kg fuel)
57.9275
NOx Climb Out (g/kg fuel)
33.3728
NOx Approach (g/kg fuel)
9.3776
NOx Idle (g/kg fuel)
4.4842
NOx Unitary Average (g/kN)
53.9265
NOx Unitary SD (g/kN)
1.1
NOx Unitary Range (g/kN)
52.5-55.2
NOx Unitary Characteristic (g/kN)
56.6693
NOx Unitaryto Standard (% of limit)
49.6
NOx Unitaryto CAEP2 (% of limit)
62
NOx Unitaryto CAEP4 (% of limit)
69.8
NOx Unitaryto CAEP6 (% of limit)
77.4
NOx Unitaryto CAEP8 (% of limit)
88.1
NOx LTO (g)
7395.37
Smoke Take Off (SN)
0.7065
Smoke Climb Out (SN)
0.6868
Smoke Approach (SN)
0.6074
Smoke Idle (SN)
0.6236
Smoke Max (SN)
1.203
Smoke Sigma (SN)
0.3
Smoke Range (SN)
0.8-1.4
Smoke Characteristic (SN)
0.9094
Smoke Characteristicto Regulatory (% of limit)
4.1891
Fuel Flow Take Off (kg/s)
1.0105
Fuel Flow Climbout (kg/s)
0.8288
Fuel Flow Approach (kg/s)
0.2752
Fuel Flow Idle (kg/s)
0.0953
Fuel LTO (kg)
366.5356
Fuel Venting Compliant
Yes
Carbon Monoxide LTO (g)
3420.645
Emissions Data Status
R
NOx Compliance Demonstration
2.3.2 e)
nvPME Imass Approach (mg/kg)
2.5264
nvPME Imass Climb Out (mg/kg)
0.6701
nvPME Imass Idle (mg/kg)
1.4487
nvPME Imass Max (mg/kg)
12.685
nvPME Imass Take Off (mg/kg)
0.6453
nvPME Inum Approach (#/kg)
98120940000000
nvPME Inum Climb Out (#/kg)
13228930000
nvPME Inum Idle (#/kg)
20465390000000
nvPME Inum Max (#/kg)
455564100000000
nvPME Inum Take Off (#/kg)
14930710000
nvPMLTO Mass (mg)
482.9013
nvPMLTO Mass Per Thrust (mg/kN)
3.9078
nvPMLTO Mass To CAEP11 (% of limit)
1.29
nvPMLTO Number (#)
9524264000000000
nvPMLTO Number Per Thrust (#/kN)
77072790000000
nvPMLTO Number To CAEP11 (% of limit)
2.018
nvPM Mass Concentration Characteristic (mg/m³)
165.986
nvPM Mass Concentration Max (mg/m³)
152.9229
nvPM Mass Concentration To CAEP10 (% of limit)
2.9311