LEAP-1A24/24E1/23

Turbofan · Family: LEAP-1A · CFM International
Reaction Turbines Compare the ratings
Maximum Takeoff Thrust
106.8 kN
Bypass Ratio
11.3
Overall Pressure Ratio
30
Diameter
1981 mm
Length
3328 mm
Full Weight
3153 kg
Fuel Flow Take Off
0.745 kg/s
NOx Unitaryto CAEP8
48 % 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 11.3 Overall Pressure Ratio 30 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 Aircraft Engine Manufacturer Maximum Takeoff Thrust (kN) Bypass Ratio Overall Pressure Ratio
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
PW1525G Pratt & Whitney 108.53 11.05 38.67 Compare
PW1524G Pratt & Whitney 108.53 11.05 38.67 Compare
PW1921G Pratt & Whitney 100.3 11.36 35.76 Compare
All data (81 fields)
Name
LEAP-1A24/24E1/23
Family
LEAP-1A
EASA ID
20CM088
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
11.3
Overall Pressure Ratio
30
Maximum Takeoff Thrust (kN)
106.8
Hydrocarbon Take Off (g/kg fuel)
0.02
Hydrocarbon Climb Out (g/kg fuel)
0.02
Hydrocarbon Approach (g/kg fuel)
0.05
Hydrocarbon Idle (g/kg fuel)
0.37
Hydrocarbon Unitary Average (g/kN)
0.52
Hydrocarbon Unitary Sigma (g/kN)
0.06
Hydrocarbon Unitary Range (g/kN)
0.45-0.57
Hydrocarbon Unitary Characteristic (g/kN)
0.67
Hydrocarbon Unitary Characteristicto Regulatory (% of limit)
3
Hydrocarbon LTO (g)
55
Carbon Monoxide Take Off (g/kg fuel)
0.24
Carbon Monoxide Climb Out (g/kg fuel)
0.41
Carbon Monoxide Approach (g/kg fuel)
3.53
Carbon Monoxide Idle (g/kg fuel)
23.79
Carbon Monoxide Unitary Average (g/kN)
32.34
Carbon Monoxide Unitary SD (g/kN)
1.7
Carbon Monoxide Unitary Range (g/kN)
30.21-34
Carbon Monoxide Unitary Characteristic (g/kN)
36.84
Carbon Monoxide Unitary Characteristicto Regulatory (% of limit)
31
NOx Take Off (g/kg fuel)
17.59
NOx Climb Out (g/kg fuel)
9.41
NOx Approach (g/kg fuel)
8.02
NOx Idle (g/kg fuel)
4.45
NOx Unitary Average (g/kN)
21.91
NOx Unitary SD (g/kN)
0.75
NOx Unitary Range (g/kN)
20.93-22.63
NOx Unitary Characteristic (g/kN)
24.09
NOx Unitaryto Standard (% of limit)
24
NOx Unitaryto CAEP2 (% of limit)
30
NOx Unitaryto CAEP4 (% of limit)
36
NOx Unitaryto CAEP6 (% of limit)
41
NOx Unitaryto CAEP8 (% of limit)
48
NOx LTO (g)
2341
Smoke Take Off (SN)
1.3
Smoke Climb Out (SN)
1.17
Smoke Approach (SN)
1.31
Smoke Idle (SN)
1.25
Smoke Max (SN)
1.56
Smoke Sigma (SN)
0.15
Smoke Range (SN)
1.47-1.82
Smoke Characteristic (SN)
1.83
Smoke Characteristicto Regulatory (% of limit)
8
Fuel Flow Take Off (kg/s)
0.745
Fuel Flow Climbout (kg/s)
0.616
Fuel Flow Approach (kg/s)
0.219
Fuel Flow Idle (kg/s)
0.087
Fuel LTO (kg)
301
Fuel Venting Compliant
Yes
Carbon Monoxide LTO (g)
3455
Compressor Description
1 fan, 3-stage LP, 10-stage HP
Emissions Data Status
C
Emissions Data Superseded
Yes
Emissions Superseded By
01P20CM127
NOx Compliance Demonstration
2.3.2 e)
Turbine Description
2-stage HP, 7-stage LP