LEAP-1A35A/35AX/33/33X/33B2/33B2X/32/32X/30

Turbofan · Family: LEAP-1A · CFM International
Reaction Turbines Compare the ratings
Maximum Takeoff Thrust
143.0548 kN
Bypass Ratio
10.3769
Overall Pressure Ratio
38.3582
Diameter
1981 mm
Length
3328 mm
Full Weight
3153 kg
Fuel Flow Take Off
1.0674 kg/s
NOx Unitaryto CAEP8
89.4872 % 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 3 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 10 High-Pressure Compressor Technology — HP Compressor Pressure Ratio —
Combustor Combustion Chamber TAPS II
HP turbine High Pressure Compressor Stages 2 High-Pressure Turbine Technology —
IP turbine Intermediary-Pressure Turbine Stages — Intermediary-Pressure Turbine Technology —
LP turbine Low-Pressure Turbine Stages 7 Low-Pressure Turbine Technology —
Whole engine Streams 2 Bypass Ratio 10.3769 Overall Pressure Ratio 38.3582 Afterburner No

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LEAP-1A

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-1A24/24E1/23 106.8 11.3 30 0.745 2341 48 1.56 20CM088
LEAP-1A26/26E1 120.6 11.1 33.3 0.861 3535 56.9 1.56 20CM089
LEAP-1A26CJ 120.6 11.1 33.3 0.861 3535 56.9 1.56 20CM091
LEAP-1A29 130.3 10.7 35.5 0.946 5396 74.5 1.56 20CM092
LEAP-1A29CJ 130.3 10.7 35.5 0.946 5396 74.5 1.56 20CM093
LEAP-1A35A/35AX/33/33X/33B2/33B2X/32/32X/30 143.0548 10.3769 38.3582 1.0674 8141.999 89.4872 1.203 08P28CM151
LEAP-1A35A/33/33B2/32/30 143.1 10.5 38.5 1.062 7795 89.3 1.56 20CM090

Airplanes

Name Model Aircraft Engine Number of Engines Length (m) Flat Wing Span (m) Two Class Typical Seating Max Seating
A320-251N A320neo LEAP-1A26/26E1 2 37.57 35.8 165 195
A320-252N A320neo LEAP-1A24/24E1/23 2 37.57 35.8 165 195
A321-251N A321neo LEAP-1A35A/33/33B2/32/30 2 44.51 35.8 206 244
A321-251NX A321neo LEAP-1A35A/33/33B2/32/30 2 44.51 35.8 206 244
A321-252N A321neo LEAP-1A35A/33/33B2/32/30 2 44.51 35.8 206 244
A321-252NX A321neo LEAP-1A35A/33/33B2/32/30 2 44.51 35.8 206 244
A321-253N A321neo LEAP-1A35A/33/33B2/32/30 2 44.51 35.8 206 244
A321-253NX A321neo LEAP-1A35A/33/33B2/32/30 2 44.51 35.8 206 244

Similar reaction turbines

Name Family Aircraft Engine Manufacturer Maximum Takeoff Thrust (kN) Bypass Ratio Overall Pressure Ratio
LEAP-1C30/30B1 LEAP-1C CFM International 137.1379 10.4525 37.1195 Compare
PW1133G1-JM Pratt & Whitney 147.28 11.4 38.85 Compare
PW1133G-JM Pratt & Whitney 147.28 11.4 38.85 Compare
PW1130G-JM Pratt & Whitney 147.28 11.58 38.07 Compare
PW1133GA-JM Pratt & Whitney 147.28 11.58 38.07 Compare
PW1431GH-JM Pratt & Whitney 140.4386 11.8646 35.59 Compare
All data (98 fields)
Name
LEAP-1A35A/35AX/33/33X/33B2/33B2X/32/32X/30
Family
LEAP-1A
EASA ID
08P28CM151
Aircraft Engine Manufacturer
CFM International
Aircraft Engine Type
Turbofan
Comment
Airbus A320neo family
Full Weight (kg)
3153
Diameter (mm)
1981
Max Rotating Diameter (mm)
1981
Length (mm)
3328
Height (mm)
2362
Width (mm)
2543
Wikipedia Article (URL)
en.wikipedia.org/wiki/CFM_International_LEAP
Fuel
Jet A
Fan Blades
18
Geared Fan
No
Low-Pressure Compressor Stages
3
High-Pressure Compressor Stages
10
Combustion Chamber
TAPS II
High Pressure Compressor Stages
2
Low-Pressure Turbine Stages
7
Afterburner
No
Streams
2
Bypass Ratio
10.3769
Overall Pressure Ratio
38.3582
Maximum Takeoff Thrust (kN)
143.0548
Hydrocarbon Take Off (g/kg fuel)
0.0378
Hydrocarbon Climb Out (g/kg fuel)
0.0278
Hydrocarbon Approach (g/kg fuel)
0.0538
Hydrocarbon Idle (g/kg fuel)
0.6093
Hydrocarbon Unitary Average (g/kN)
0.6864
Hydrocarbon Unitary Sigma (g/kN)
0.1425
Hydrocarbon Unitary Range (g/kN)
0.48-0.88
Hydrocarbon Unitary Characteristic (g/kN)
0.7832
Hydrocarbon Unitary Characteristicto Regulatory (% of limit)
3.996
Hydrocarbon LTO (g)
98.1936
Carbon Monoxide Take Off (g/kg fuel)
0.021
Carbon Monoxide Climb Out (g/kg fuel)
0.0146
Carbon Monoxide Approach (g/kg fuel)
1.8961
Carbon Monoxide Idle (g/kg fuel)
21.2583
Carbon Monoxide Unitary Average (g/kN)
22.7796
Carbon Monoxide Unitary SD (g/kN)
0.897
Carbon Monoxide Unitary Range (g/kN)
21.68-24.03
Carbon Monoxide Unitary Characteristic (g/kN)
24.3711
Carbon Monoxide Unitary Characteristicto Regulatory (% of limit)
20.6535
NOx Take Off (g/kg fuel)
60.9187
NOx Climb Out (g/kg fuel)
35.3315
NOx Approach (g/kg fuel)
9.7242
NOx Idle (g/kg fuel)
4.5656
NOx Unitary Average (g/kN)
56.9152
NOx Unitary SD (g/kN)
0.7372
NOx Unitary Range (g/kN)
55.88-57.88
NOx Unitary Characteristic (g/kN)
59.81
NOx Unitaryto Standard (% of limit)
51.2439
NOx Unitaryto CAEP2 (% of limit)
64.0549
NOx Unitaryto CAEP4 (% of limit)
71.4436
NOx Unitaryto CAEP6 (% of limit)
79.034
NOx Unitaryto CAEP8 (% of limit)
89.4872
NOx LTO (g)
8141.999
Smoke Take Off (SN)
0.5756
Smoke Climb Out (SN)
0.7048
Smoke Approach (SN)
0.6433
Smoke Idle (SN)
0.6259
Smoke Max (SN)
1.203
Smoke Sigma (SN)
0.3443
Smoke Range (SN)
0.81-1.41
Smoke Characteristic (SN)
1.5485
Smoke Characteristicto Regulatory (% of limit)
7.2164
Fuel Flow Take Off (kg/s)
1.0674
Fuel Flow Climbout (kg/s)
0.8732
Fuel Flow Approach (kg/s)
0.2858
Fuel Flow Idle (kg/s)
0.0943
Fuel LTO (kg)
375.7442
Fuel Venting Compliant
Yes
Carbon Monoxide LTO (g)
3258.738
Compressor Description
1 fan, 3-stage LP, 10-stage HP
Emissions Data Status
C
NOx Compliance Demonstration
2.3.2 e)
nvPME Imass Approach (mg/kg)
3.3157
nvPME Imass Climb Out (mg/kg)
0.6743
nvPME Imass Idle (mg/kg)
1.437
nvPME Imass Max (mg/kg)
12.784
nvPME Imass Take Off (mg/kg)
0.6614
nvPME Inum Approach (#/kg)
130438900000000
nvPME Inum Climb Out (#/kg)
14571780000
nvPME Inum Idle (#/kg)
18871160000000
nvPME Inum Max (#/kg)
458823700000000
nvPME Inum Take Off (#/kg)
14002570000
nvPMLTO Mass (mg)
546.1272
nvPMLTO Mass Per Thrust (mg/kN)
4.2366
nvPMLTO Mass To CAEP11 (% of limit)
1.6169
nvPMLTO Number (#)
11724800000000000
nvPMLTO Number Per Thrust (#/kN)
90955720000000
nvPMLTO Number To CAEP11 (% of limit)
2.7223
nvPM Mass Concentration Characteristic (mg/m³)
165.986
nvPM Mass Concentration Max (mg/m³)
152.9229
nvPM Mass Concentration To CAEP10 (% of limit)
2.9902
Turbine Description
2-stage HP, 7-stage LP