CFM56-7B24E

Turbofan · Family: CFM56-7B · CFM International

Reaction Turbines Compare the ratings

Maximum Takeoff Thrust

107.6 kN

Bypass Ratio

5.3

Overall Pressure Ratio

25.6

Diameter

1549 mm

Length

2507 mm

Dry Weight

2366 kg

Fuel Flow Take Off

1.086 kg/s

NOx Unitaryto CAEP8

89.5 % of limit

Architecture

Fan	Fan Stages —	Fan Blades 24	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 9	High-Pressure Compressor Technology —	HP Compressor Pressure Ratio —
Combustor	Combustion Chamber Tech Insertion
HP turbine	High Pressure Compressor Stages 1	High-Pressure Turbine Technology —
IP turbine	Intermediary-Pressure Turbine Stages —	Intermediary-Pressure Turbine Technology —
LP turbine	Low-Pressure Turbine Stages 4	Low-Pressure Turbine Technology —
Whole engine	Streams 2	Bypass Ratio 5.3	Overall Pressure Ratio 25.6	Afterburner No

Pictures

CFM56-7B

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
CFM56-7B18/3	86.7	5.5	21.4	0.842	2729	85.5	8.04	8CM061
CFM56-7B18	86.74	5.5	21.59	0.854	3472	118.4	10.7	3CM029
CFM56-7B20/3	91.6	5.5	22.4	0.896	2987	87.5	8.66	8CM062
CFM56-7B20E	91.6	5.5	22.4	0.896	2987	87.5	8.66	01P11CM111
CFM56-7B20	91.63	5.4	22.61	0.913	3829	122.1	11.4	3CM030
CFM56-7B20/2	91.63	5.4	22.77	0.903	2802	81.1	1.52	4CM039
CFM56-7B22	100.97	5.3	24.41	1.021	4560	124	12	3CM031
CFM56-7B22/2	100.97	5.3	24.61	1.008	3091	76.2	0.69	4CM040
CFM56-7B22/3	101	5.3	24.2	1.004	3540	88.4	9.84	8CM063
CFM56-7B22E	101	5.3	24.2	1.004	3538	88.4	9.84	01P11CM112
CFM56-7B22E/B1	101	5.3	24.2	1.004	3538	88.4	9.84	01P11CM113
CFM56-7B24/3	107.6	5.3	25.6	1.086	3995	89.5	12.07	8CM064
CFM56-7B24E	107.6	5.3	25.6	1.086	3996	89.5	12.07	01P11CM114
CFM56-7B24E/B1	107.6	5.3	25.6	1.086	3996	89.5	12.07	01P11CM115
CFM56-7B24	107.65	5.2	25.78	1.103	5149	125.4	12.6	3CM032
CFM56-7B24/2	107.65	5.2	25.95	1.089	3534	78.4	0.65	4CM041
CFM56-7B26	116.99	5.1	27.61	1.221	6149	130.5	14.7	8CM051
CFM56-7B26/2	116.99	5.1	27.8	1.203	4233	81.7	0.71	4CM042
CFM56-7B26/3	117	5.1	27.7	1.213	4763	91.9	13.07	8CM065
CFM56-7B26/3 (Research Measurement)	117	5.1	27.7	1.213	4923	104		01P22FC001
CFM56-7B26E	117	5.1	27.7	1.213	4762	91.9	13.07	01P11CM116
CFM56-7B26E/B1	117	5.1	27.7	1.213	4762	91.9	13.07	01P11CM117
CFM56-7B26E/B2	117	5.1	27.7	1.213	4762	91.9	13.07	01P11CM118
CFM56-7B26E/B2F	117	5.1	27.7	1.213	4762	91.9	13.07	01P11CM120
CFM56-7B26E/F	117	5.1	27.7	1.213	4762	91.9	13.07	01P11CM119
CFM56-7B27/3	121.4	5.1	29	1.293	5232	93.6	13.38	8CM066
CFM56-7B27AE	121.4	5.1	29	1.293	5231	93.6	13.38	01P11CM124
CFM56-7B27E	121.4	5.1	29	1.293	5231	93.6	13.38	01P11CM121
CFM56-7B27E/B1	121.4	5.1	29	1.293	5231	93.6	13.38	01P11CM122
CFM56-7B27E/B1F	121.4	5.1	29	1.293	5231	93.6	13.38	01P11CM126
CFM56-7B27E/B3	121.4	5.1	29	1.293	5231	93.6	13.38	01P11CM123
CFM56-7B27E/F	121.4	5.1	29	1.293	5231	93.6	13.38	01P11CM125
CFM56-7B27	121.44	5	28.63	1.284	6719	133	15.7	3CM034
CFM56-7B27/2	121.44	5	28.84	1.265	4648	83.5	0.75	4CM043

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All data (97 fields)

Name: CFM56-7B24E
Family: CFM56-7B
EASA ID: 01P11CM114
Aircraft Engine Manufacturer: CFM International
Aircraft Engine Type: Turbofan
Comment: Boeing 737 Next Generation
Dry Weight (kg): 2366
Diameter (mm): 1549
Max Rotating Diameter (mm): 1549
Length (mm): 2507
Wikipedia Article (URL): en.wikipedia.org/wiki/CFM_International_CFM56
Fuel: Jet A
Fan Blades: 24
Geared Fan: No
Low-Pressure Compressor Stages: 3
High-Pressure Compressor Stages: 9
Combustion Chamber: Tech Insertion
High Pressure Compressor Stages: 1
Low-Pressure Turbine Stages: 4
Afterburner: No
Streams: 2
Bypass Ratio: 5.3
Overall Pressure Ratio: 25.6
Maximum Takeoff Thrust (kN): 107.6
Hydrocarbon Take Off (g/kg fuel): 0.02
Hydrocarbon Climb Out (g/kg fuel): 0.03
Hydrocarbon Approach (g/kg fuel): 0.06
Hydrocarbon Idle (g/kg fuel): 2.3
Hydrocarbon Unitary Average (g/kN): 3.51
Hydrocarbon Unitary Sigma (g/kN): 0.45
Hydrocarbon Unitary Range (g/kN): 3.01-3.88
Hydrocarbon Unitary Characteristic (g/kN): 4.09
Hydrocarbon Unitary Characteristicto Regulatory (% of limit): 20.9
Hydrocarbon LTO (g): 377
Carbon Monoxide Take Off (g/kg fuel): 0.18
Carbon Monoxide Climb Out (g/kg fuel): 0.15
Carbon Monoxide Approach (g/kg fuel): 3.68
Carbon Monoxide Idle (g/kg fuel): 34.71
Carbon Monoxide Unitary Average (g/kN): 54.38
Carbon Monoxide Unitary SD (g/kN): 2.8
Carbon Monoxide Unitary Range (g/kN): 51.2-56.4
Carbon Monoxide Unitary Characteristic (g/kN): 58.8
Carbon Monoxide Unitary Characteristicto Regulatory (% of limit): 49.8
NOx Take Off (g/kg fuel): 18.93
NOx Climb Out (g/kg fuel): 15.6
NOx Approach (g/kg fuel): 8.6
NOx Idle (g/kg fuel): 4.09
NOx Unitary Average (g/kN): 37.11
NOx Unitary SD (g/kN): 1.2
NOx Unitary Range (g/kN): 36.1-38.5
NOx Unitary Characteristic (g/kN): 39.3
NOx Unitaryto Standard (% of limit): 43.1
NOx Unitaryto CAEP2 (% of limit): 53.9
NOx Unitaryto CAEP4 (% of limit): 65.5
NOx Unitaryto CAEP6 (% of limit): 74.5
NOx Unitaryto CAEP8 (% of limit): 89.5
NOx LTO (g): 3996
Smoke Take Off (SN): 12.1
Smoke Climb Out (SN): 8.7
Smoke Approach (SN): 2.1
Smoke Idle (SN): 2.1
Smoke Max (SN): 12.07
Smoke Sigma (SN): 3.4
Smoke Range (SN): 8.3-14.7
Smoke Characteristic (SN): 13.28
Smoke Characteristicto Regulatory (% of limit): 57.2
Fuel Flow Take Off (kg/s): 1.086
Fuel Flow Climbout (kg/s): 0.895
Fuel Flow Approach (kg/s): 0.308
Fuel Flow Idle (kg/s): 0.103
Fuel LTO (kg): 398
Fuel Venting Compliant: Yes
Carbon Monoxide LTO (g): 5854
Compressor Description: 1 fan, 3-stage LP, 9-stage HP
Emissions Data Status: C
Engine Status: Out of production
NOx Compliance Demonstration: 2.3.2 e)
nvPME Imass Approach (mg/kg): 1.29
nvPME Imass Climb Out (mg/kg): 33.6
nvPME Imass Idle (mg/kg): 0.8
nvPME Imass Max (mg/kg): 48.6
nvPME Imass Take Off (mg/kg): 48.6
nvPME Inum Approach (#/kg): 54600000000000
nvPME Inum Climb Out (#/kg): 424000000000000
nvPME Inum Idle (#/kg): 36900000000000
nvPME Inum Max (#/kg): 431000000000000
nvPME Inum Take Off (#/kg): 428000000000000
nvPMLTO Mass (mg): 6408
nvPMLTO Mass Per Thrust (mg/kN): 82.8
nvPMLTO Mass To CAEP11 (% of limit): 16.3
nvPMLTO Number (#): 79500000000000000
nvPMLTO Number Per Thrust (#/kN): 1030000000000000
nvPMLTO Number To CAEP11 (% of limit): 16.6
nvPM Mass Concentration Characteristic (mg/m³): 1434
nvPM Mass Concentration Max (mg/m³): 1114
nvPM Mass Concentration To CAEP10 (% of limit): 22.5
Turbine Description: 1-stage HP, 4-stage LP