RB211-524G

Turbofan · Rolls-Royce

Reaction Turbines

Maximum Takeoff Thrust

253 kN

Bypass Ratio

4.25

Overall Pressure Ratio

32.1

Fuel Flow Take Off

2.62 kg/s

NOx Unitaryto CAEP8

178.4 % of limit

Architecture

Fan	Fan Stages —	Fan Blades —	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 —
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 4.25	Overall Pressure Ratio 32.1	Afterburner No

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Name	Aircraft Engine Manufacturer	Maximum Takeoff Thrust (kN)	Bypass Ratio	Overall Pressure Ratio
RB211-524G-T	Rolls-Royce	253	4.25	32.1	Compare
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All data (64 fields)

Name: RB211-524G
EASA ID: 1RR009
Aircraft Engine Manufacturer: Rolls-Royce
Aircraft Engine Type: Turbofan
Fuel: AVTUR
Geared Fan: No
Afterburner: No
Streams: 2
Bypass Ratio: 4.25
Overall Pressure Ratio: 32.1
Maximum Takeoff Thrust (kN): 253
Hydrocarbon Take Off (g/kg fuel): 2.28
Hydrocarbon Climb Out (g/kg fuel): 1.46
Hydrocarbon Approach (g/kg fuel): 1.14
Hydrocarbon Idle (g/kg fuel): 3.28
Hydrocarbon Unitary Average (g/kN): 8.62
Hydrocarbon Unitary Sigma (g/kN): 0.34
Hydrocarbon Unitary Range (g/kN): 8.24-8.92
Hydrocarbon Unitary Characteristic (g/kN): 13.3
Hydrocarbon Unitary Characteristicto Regulatory (% of limit): 67.7
Hydrocarbon LTO (g): 2174
Carbon Monoxide Take Off (g/kg fuel): 0.59
Carbon Monoxide Climb Out (g/kg fuel): 0.43
Carbon Monoxide Approach (g/kg fuel): 1.01
Carbon Monoxide Idle (g/kg fuel): 13.74
Carbon Monoxide Unitary Average (g/kN): 23.49
Carbon Monoxide Unitary SD (g/kN): 0.34
Carbon Monoxide Unitary Range (g/kN): 23.13-23.81
Carbon Monoxide Unitary Characteristic (g/kN): 28.8
Carbon Monoxide Unitary Characteristicto Regulatory (% of limit): 24.4
NOx Take Off (g/kg fuel): 58.71
NOx Climb Out (g/kg fuel): 40.54
NOx Approach (g/kg fuel): 9.56
NOx Idle (g/kg fuel): 4.63
NOx Unitary Average (g/kN): 83.57
NOx Unitary SD (g/kN): 1.39
NOx Unitary Range (g/kN): 82.34-85.08
NOx Unitary Characteristic (g/kN): 96.9
NOx Unitaryto Standard (% of limit): 93
NOx Unitaryto CAEP2 (% of limit): 116.2
NOx Unitaryto CAEP4 (% of limit): 136.1
NOx Unitaryto CAEP6 (% of limit): 153.4
NOx Unitaryto CAEP8 (% of limit): 178.4
NOx LTO (g): 21075
Smoke Take Off (SN): 3.03
Smoke Climb Out (SN): 3.62
Smoke Approach (SN): 1.82
Smoke Idle (SN): 0.21
Smoke Max (SN): 3.9
Smoke Sigma (SN): 0.37
Smoke Range (SN): 3.7-4.3
Smoke Characteristic (SN): 5
Smoke Characteristicto Regulatory (% of limit): 27.3
Fuel Flow Take Off (kg/s): 2.62
Fuel Flow Climbout (kg/s): 2.08
Fuel Flow Approach (kg/s): 0.7
Fuel Flow Idle (kg/s): 0.26
Fuel LTO (kg): 958
Fuel Venting Compliant: No
Carbon Monoxide LTO (g): 5926
Emissions Data Status: C
Emissions Data Superseded: Yes
Emissions Superseded By: 1RR010
Engine Status: Out of production