LEAP-1A26/26E1

Turbofan · Family: LEAP-1A · CFM International

Reaction Turbines Compare the ratings

Maximum Takeoff Thrust

120.6 kN

Bypass Ratio

11.1

Overall Pressure Ratio

33.3

Diameter

1981 mm

Length

3328 mm

Full Weight

3153 kg

Fuel Flow Take Off

0.861 kg/s

NOx Unitaryto CAEP8

56.9 % 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 11.1	Overall Pressure Ratio 33.3	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
PW1127G1-JM		Pratt & Whitney	120.44	12.2	32.11	Compare
PW1127G-JM		Pratt & Whitney	120.44	12.2	32.11	Compare
PW1127GA-JM		Pratt & Whitney	120.435	12.2805	31.6575	Compare
LEAP-1C28	LEAP-1C	CFM International	129.9763	10.5594	35.4641	Compare
PW1525G		Pratt & Whitney	108.53	11.05	38.67	Compare
PW1524G		Pratt & Whitney	108.53	11.05	38.67	Compare

All data (81 fields)

Name: LEAP-1A26/26E1
Family: LEAP-1A
EASA ID: 20CM089
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: 11.1
Overall Pressure Ratio: 33.3
Maximum Takeoff Thrust (kN): 120.6
Hydrocarbon Take Off (g/kg fuel): 0.02
Hydrocarbon Climb Out (g/kg fuel): 0.02
Hydrocarbon Approach (g/kg fuel): 0.04
Hydrocarbon Idle (g/kg fuel): 0.29
Hydrocarbon Unitary Average (g/kN): 0.38
Hydrocarbon Unitary Sigma (g/kN): 0.05
Hydrocarbon Unitary Range (g/kN): 0.33-0.43
Hydrocarbon Unitary Characteristic (g/kN): 0.49
Hydrocarbon Unitary Characteristicto Regulatory (% of limit): 2.5
Hydrocarbon LTO (g): 46
Carbon Monoxide Take Off (g/kg fuel): 0.24
Carbon Monoxide Climb Out (g/kg fuel): 0.26
Carbon Monoxide Approach (g/kg fuel): 2.65
Carbon Monoxide Idle (g/kg fuel): 21.63
Carbon Monoxide Unitary Average (g/kN): 27.04
Carbon Monoxide Unitary SD (g/kN): 1.35
Carbon Monoxide Unitary Range (g/kN): 25.41-28.38
Carbon Monoxide Unitary Characteristic (g/kN): 30.81
Carbon Monoxide Unitary Characteristicto Regulatory (% of limit): 26.1
NOx Take Off (g/kg fuel): 30.8
NOx Climb Out (g/kg fuel): 13.38
NOx Approach (g/kg fuel): 8.75
NOx Idle (g/kg fuel): 4.61
NOx Unitary Average (g/kN): 29.3
NOx Unitary SD (g/kN): 1.35
NOx Unitary Range (g/kN): 27.63-30.63
NOx Unitary Characteristic (g/kN): 32.22
NOx Unitaryto Standard (% of limit): 30.2
NOx Unitaryto CAEP2 (% of limit): 37.8
NOx Unitaryto CAEP4 (% of limit): 43.8
NOx Unitaryto CAEP6 (% of limit): 49.2
NOx Unitaryto CAEP8 (% of limit): 56.9
NOx LTO (g): 3535
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): 8.1
Fuel Flow Take Off (kg/s): 0.861
Fuel Flow Climbout (kg/s): 0.71
Fuel Flow Approach (kg/s): 0.244
Fuel Flow Idle (kg/s): 0.091
Fuel LTO (kg): 330
Fuel Venting Compliant: Yes
Carbon Monoxide LTO (g): 3259
Compressor Description: 1 fan, 3-stage LP, 10-stage HP
Emissions Data Status: C
Emissions Data Superseded: Yes
Emissions Superseded By: 01P20CM128
NOx Compliance Demonstration: 2.3.2 e)
Turbine Description: 2-stage HP, 7-stage LP