Trent 768

Turbofan · Rolls-Royce

Reaction Turbines

Maximum Takeoff Thrust

298.7 kN

Bypass Ratio

5.15

Overall Pressure Ratio

34.04

Fuel Flow Take Off

2.94 kg/s

NOx Unitaryto CAEP8

124.6 % 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 5.15	Overall Pressure Ratio 34.04	Afterburner No

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Similar reaction turbines

Name	Aircraft Engine Manufacturer	Maximum Takeoff Thrust (kN)	Bypass Ratio	Overall Pressure Ratio
Trent 768	Rolls-Royce	300.3	5.15	34	Compare
CF6-80E1A4	GE Aircraft Engines	297.44	5.1	34.5	Compare
PW4168	Pratt & Whitney	302.48	5.1	33.1	Compare
PW4168A	Pratt & Whitney	302.48	5.1	33.1	Compare
CF6-80E1A3	GE Aircraft Engines	304.8	5.1	35.7	Compare
PW4168-1D	Pratt & Whitney	305.1	4.92	33.1	Compare

All data (54 fields)

Name: Trent 768
EASA ID: 2RR022
Aircraft Engine Manufacturer: Rolls-Royce
Aircraft Engine Type: Turbofan
Fuel: AVTUR
Geared Fan: No
Afterburner: No
Streams: 2
Bypass Ratio: 5.15
Overall Pressure Ratio: 34.04
Maximum Takeoff Thrust (kN): 298.7
Hydrocarbon Take Off (g/kg fuel): 0.25
Hydrocarbon Climb Out (g/kg fuel): 0.38
Hydrocarbon Approach (g/kg fuel): 0.84
Hydrocarbon Idle (g/kg fuel): 1.08
Hydrocarbon Unitary Average (g/kN): 2.52
Hydrocarbon Unitary Range (g/kN): 1.53-3.52
Hydrocarbon Unitary Characteristic (g/kN): 3.9
Hydrocarbon Unitary Characteristicto Regulatory (% of limit): 19.8
Hydrocarbon LTO (g): 752
Carbon Monoxide Take Off (g/kg fuel): 0.18
Carbon Monoxide Climb Out (g/kg fuel): 0.13
Carbon Monoxide Approach (g/kg fuel): 0.86
Carbon Monoxide Idle (g/kg fuel): 10.52
Carbon Monoxide Unitary Average (g/kN): 15.1
Carbon Monoxide Unitary Range (g/kN): 13.83-15.92
Carbon Monoxide Unitary Characteristic (g/kN): 18.5
Carbon Monoxide Unitary Characteristicto Regulatory (% of limit): 15.7
NOx Take Off (g/kg fuel): 39.11
NOx Climb Out (g/kg fuel): 30.01
NOx Approach (g/kg fuel): 10.34
NOx Idle (g/kg fuel): 5.6
NOx Unitary Average (g/kN): 62.52
NOx Unitary Range (g/kN): 62.1-62.8
NOx Unitary Characteristic (g/kN): 72.5
NOx Unitaryto Standard (% of limit): 67.1
NOx Unitaryto CAEP2 (% of limit): 83.8
NOx Unitaryto CAEP4 (% of limit): 96.5
NOx Unitaryto CAEP6 (% of limit): 108.1
NOx Unitaryto CAEP8 (% of limit): 124.6
NOx LTO (g): 18672
Smoke Max (SN): 1.26
Smoke Range (SN): 1.1-1.5
Smoke Characteristic (SN): 1.6
Smoke Characteristicto Regulatory (% of limit): 9.2
Fuel Flow Take Off (kg/s): 2.94
Fuel Flow Climbout (kg/s): 2.42
Fuel Flow Approach (kg/s): 0.8
Fuel Flow Idle (kg/s): 0.26
Fuel LTO (kg): 1041
Fuel Venting Compliant: No
Carbon Monoxide LTO (g): 4496
Emissions Data Status: C
Engine Status: Out of service