RB211-22B

Turbofan · Rolls-Royce

Reaction Turbines

Maximum Takeoff Thrust

182.5 kN

Bypass Ratio

4.7

Overall Pressure Ratio

Fuel Flow Take Off

1.866 kg/s

NOx Unitaryto CAEP8

133.5 % 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 Package 1
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 4.7	Overall Pressure Ratio 25	Afterburner No

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Similar reaction turbines

Name	Aircraft Engine Manufacturer	Maximum Takeoff Thrust (kN)	Bypass Ratio	Overall Pressure Ratio
RB211-22B	Rolls-Royce	182.5	4.7	25	Compare
RB211-535E4	Rolls-Royce	178.4	4.1	25.8	Compare
PW2040	Pratt & Whitney	182.02	5.54	29.4	Compare
PS-90A1	Aviadvigatel	169.7	4.36	33.79	Compare
RB211-535E4B	Rolls-Royce	191.7	4.1	27.9	Compare
RB211-535C	Rolls-Royce	163.3	4.5	21.5	Compare

All data (61 fields)

Name: RB211-22B
EASA ID: 1RR002
Aircraft Engine Manufacturer: Rolls-Royce
Aircraft Engine Type: Turbofan
Fuel: DERD 2494
Geared Fan: No
Combustion Chamber: Package 1
Afterburner: No
Streams: 2
Bypass Ratio: 4.7
Overall Pressure Ratio: 25
Maximum Takeoff Thrust (kN): 182.5
Hydrocarbon Take Off (g/kg fuel): 0.36
Hydrocarbon Climb Out (g/kg fuel): 0.39
Hydrocarbon Approach (g/kg fuel): 7.73
Hydrocarbon Idle (g/kg fuel): 65.37
Hydrocarbon Unitary Average (g/kN): 132.8
Hydrocarbon Unitary Sigma (g/kN): 8.23
Hydrocarbon Unitary Range (g/kN): 122-140
Hydrocarbon Unitary Characteristic (g/kN): 154.9
Hydrocarbon Unitary Characteristicto Regulatory (% of limit): 790.4
Hydrocarbon LTO (g): 29381
Carbon Monoxide Take Off (g/kg fuel): 2.48
Carbon Monoxide Climb Out (g/kg fuel): 4.14
Carbon Monoxide Approach (g/kg fuel): 26.38
Carbon Monoxide Idle (g/kg fuel): 93.17
Carbon Monoxide Unitary Average (g/kN): 205.3
Carbon Monoxide Unitary SD (g/kN): 8.01
Carbon Monoxide Unitary Range (g/kN): 197-212
Carbon Monoxide Unitary Characteristic (g/kN): 222
Carbon Monoxide Unitary Characteristicto Regulatory (% of limit): 188.2
NOx Take Off (g/kg fuel): 34.32
NOx Climb Out (g/kg fuel): 25.63
NOx Approach (g/kg fuel): 8.05
NOx Idle (g/kg fuel): 2.7
NOx Unitary Average (g/kN): 54.3
NOx Unitary SD (g/kN): 4.4
NOx Unitary Range (g/kN): 48-57
NOx Unitary Characteristic (g/kN): 57.5
NOx Unitaryto Standard (% of limit): 63.9
NOx Unitaryto CAEP2 (% of limit): 79.9
NOx Unitaryto CAEP4 (% of limit): 97.5
NOx Unitaryto CAEP6 (% of limit): 110.8
NOx Unitaryto CAEP8 (% of limit): 133.5
NOx LTO (g): 10142
Smoke Take Off (SN): 14.7
Smoke Climb Out (SN): 12.9
Smoke Approach (SN): 8
Smoke Idle (SN): 3.1
Smoke Max (SN): 14.7
Smoke Characteristic (SN): 18.9
Smoke Characteristicto Regulatory (% of limit): 94.3
Fuel Flow Take Off (kg/s): 1.866
Fuel Flow Climbout (kg/s): 1.542
Fuel Flow Approach (kg/s): 0.553
Fuel Flow Idle (kg/s): 0.277
Fuel LTO (kg): 847
Fuel Venting Compliant: No
Carbon Monoxide LTO (g): 44799
Emissions Data Status: PR
Engine Status: Out of production