RB211-524D4

Turbofan · Rolls-Royce

Reaction Turbines

Maximum Takeoff Thrust

231.3 kN

Bypass Ratio

4.3

Overall Pressure Ratio

30.22

Fuel Flow Take Off

2.34 kg/s

NOx Unitaryto CAEP8

198.4 % 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 Phase 2
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 4.3	Overall Pressure Ratio 30.22	Afterburner No

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Similar reaction turbines

Name	Aircraft Engine Manufacturer	Maximum Takeoff Thrust (kN)	Bypass Ratio	Overall Pressure Ratio
RB211-524D4	Rolls-Royce	231.3	4.3	29.7	Compare
CF6-50C1	GE Aircraft Engines	230.4	4.3	28.44	Compare
CF6-50C1, -C2	GE Aircraft Engines	230.4	4.3	29.8	Compare
CF6-50C2	GE Aircraft Engines	230.4	4.3	28.44	Compare
CF6-50E	GE Aircraft Engines	230.4	4.3	28.44	Compare
CF6-50E1	GE Aircraft Engines	230.4	4.3	28.44	Compare

All data (62 fields)

Name: RB211-524D4
EASA ID: 1RR008
Aircraft Engine Manufacturer: Rolls-Royce
Aircraft Engine Type: Turbofan
Fuel: AVTUR
Geared Fan: No
Combustion Chamber: Phase 2
Afterburner: No
Streams: 2
Bypass Ratio: 4.3
Overall Pressure Ratio: 30.22
Maximum Takeoff Thrust (kN): 231.3
Hydrocarbon Take Off (g/kg fuel): 0.59
Hydrocarbon Climb Out (g/kg fuel): 0.26
Hydrocarbon Approach (g/kg fuel): 0.7
Hydrocarbon Idle (g/kg fuel): 1.41
Hydrocarbon Unitary Average (g/kN): 3.44
Hydrocarbon Unitary Sigma (g/kN): 0.08
Hydrocarbon Unitary Range (g/kN): 3.3-3.5
Hydrocarbon Unitary Characteristic (g/kN): 5.3
Hydrocarbon Unitary Characteristicto Regulatory (% of limit): 27
Hydrocarbon LTO (g): 805
Carbon Monoxide Take Off (g/kg fuel): 1.24
Carbon Monoxide Climb Out (g/kg fuel): 0.34
Carbon Monoxide Approach (g/kg fuel): 1.56
Carbon Monoxide Idle (g/kg fuel): 9.3
Carbon Monoxide Unitary Average (g/kN): 18.07
Carbon Monoxide Unitary SD (g/kN): 0.64
Carbon Monoxide Unitary Range (g/kN): 17.6-18.8
Carbon Monoxide Unitary Characteristic (g/kN): 22.2
Carbon Monoxide Unitary Characteristicto Regulatory (% of limit): 18.8
NOx Take Off (g/kg fuel): 59.35
NOx Climb Out (g/kg fuel): 43.01
NOx Approach (g/kg fuel): 10.63
NOx Idle (g/kg fuel): 4.41
NOx Unitary Average (g/kN): 86.54
NOx Unitary SD (g/kN): 0.55
NOx Unitary Range (g/kN): 85.9-86.9
NOx Unitary Characteristic (g/kN): 100.3
NOx Unitaryto Standard (% of limit): 99.9
NOx Unitaryto CAEP2 (% of limit): 124.8
NOx Unitaryto CAEP4 (% of limit): 148.7
NOx Unitaryto CAEP6 (% of limit): 168.9
NOx Unitaryto CAEP8 (% of limit): 198.4
NOx LTO (g): 20124
Smoke Take Off (SN): 12.2
Smoke Climb Out (SN): 9.2
Smoke Approach (SN): 1.8
Smoke Idle (SN): 0.6
Smoke Max (SN): 12.3
Smoke Sigma (SN): 0.31
Smoke Range (SN): 12.1-12.7
Smoke Characteristic (SN): 15.8
Smoke Characteristicto Regulatory (% of limit): 84.2
Fuel Flow Take Off (kg/s): 2.34
Fuel Flow Climbout (kg/s): 1.91
Fuel Flow Approach (kg/s): 0.65
Fuel Flow Idle (kg/s): 0.26
Fuel LTO (kg): 912
Carbon Monoxide LTO (g): 4223
Emissions Data Status: C
Engine Status: Out of production