Trent 768

Maximum Takeoff Thrust
304.2 kN
Bypass Ratio
5.15
Overall Pressure Ratio
34.48
Fuel Flow Take Off
2.907 kg/s
NOx Unitaryto CAEP8
90.8 % 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 Phase5
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 34.48 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 304.2 5.15 34.48 Compare
CF6-80E1A3 GE Aircraft Engines 304.8 5.1 35.7 Compare
PW4168 Pratt & Whitney 302.5 5.1 31.84 Compare
PW4168A Pratt & Whitney 302.5 5.1 31.84 Compare
PW4168-1D Pratt & Whitney 305.1 4.92 33.1 Compare
PW4168A-1D Pratt & Whitney 305.1 4.92 33.1 Compare
All data (81 fields)
Name
Trent 768
EASA ID
01P14RR101
Aircraft Engine Manufacturer
Rolls-Royce
Aircraft Engine Type
Turbofan
Geared Fan
No
Combustion Chamber
Phase5
Afterburner
No
Streams
2
Bypass Ratio
5.15
Overall Pressure Ratio
34.48
Maximum Takeoff Thrust (kN)
304.2
Hydrocarbon Take Off (g/kg fuel)
0
Hydrocarbon Climb Out (g/kg fuel)
0.01
Hydrocarbon Approach (g/kg fuel)
0.04
Hydrocarbon Idle (g/kg fuel)
3.19
Hydrocarbon Unitary Average (g/kN)
4.28
Hydrocarbon Unitary Sigma (g/kN)
1.01
Hydrocarbon Unitary Range (g/kN)
3.12-4.93
Hydrocarbon Unitary Characteristic (g/kN)
5
Hydrocarbon Unitary Characteristicto Regulatory (% of limit)
25.5
Hydrocarbon LTO (g)
1303
Carbon Monoxide Take Off (g/kg fuel)
0.35
Carbon Monoxide Climb Out (g/kg fuel)
0.49
Carbon Monoxide Approach (g/kg fuel)
1.71
Carbon Monoxide Idle (g/kg fuel)
26.94
Carbon Monoxide Unitary Average (g/kN)
37.51
Carbon Monoxide Unitary SD (g/kN)
6.51
Carbon Monoxide Unitary Range (g/kN)
30.3-42.94
Carbon Monoxide Unitary Characteristic (g/kN)
40.6
Carbon Monoxide Unitary Characteristicto Regulatory (% of limit)
34.4
NOx Take Off (g/kg fuel)
32.01
NOx Climb Out (g/kg fuel)
24.9
NOx Approach (g/kg fuel)
10.12
NOx Idle (g/kg fuel)
4.46
NOx Unitary Average (g/kN)
50.66
NOx Unitary SD (g/kN)
2.19
NOx Unitary Range (g/kN)
49.18-53.18
NOx Unitary Characteristic (g/kN)
53.7
NOx Unitaryto Standard (% of limit)
49.3
NOx Unitaryto CAEP2 (% of limit)
61.6
NOx Unitaryto CAEP4 (% of limit)
70.7
NOx Unitaryto CAEP6 (% of limit)
79
NOx Unitaryto CAEP8 (% of limit)
90.8
NOx LTO (g)
15414
Smoke Take Off (SN)
1.5
Smoke Climb Out (SN)
1.8
Smoke Approach (SN)
0.5
Smoke Idle (SN)
0.2
Smoke Max (SN)
1.91
Smoke Sigma (SN)
0.65
Smoke Range (SN)
1.2-2.5
Smoke Characteristic (SN)
2.1
Smoke Characteristicto Regulatory (% of limit)
12
Fuel Flow Take Off (kg/s)
2.907
Fuel Flow Climbout (kg/s)
2.375
Fuel Flow Approach (kg/s)
0.781
Fuel Flow Idle (kg/s)
0.259
Fuel LTO (kg)
1027
Fuel Venting Compliant
Yes
Carbon Monoxide LTO (g)
11411
Emissions Data Status
C
NOx Compliance Demonstration
2.3.2 e)
nvPME Imass Approach (mg/kg)
15.2285
nvPME Imass Climb Out (mg/kg)
97.1492
nvPME Imass Idle (mg/kg)
4.3182
nvPME Imass Max (mg/kg)
96.7845
nvPME Imass Take Off (mg/kg)
84.684
nvPME Inum Approach (#/kg)
389851700000000
nvPME Inum Climb Out (#/kg)
438072700000000
nvPME Inum Idle (#/kg)
547588400000000
nvPME Inum Max (#/kg)
548000000000000
nvPME Inum Take Off (#/kg)
296546700000000
nvPMLTO Mass (mg)
45394.9
nvPMLTO Mass Per Thrust (mg/kN)
207.393
nvPMLTO Mass To CAEP11 (% of limit)
96.9126
nvPMLTO Number (#)
468049600000000000
nvPMLTO Number Per Thrust (#/kN)
2138350000000000
nvPMLTO Number To CAEP11 (% of limit)
76.9191
nvPM Mass Concentration Characteristic (mg/m³)
481.9904
nvPM Mass Concentration Max (mg/m³)
374.4583
nvPM Mass Concentration To CAEP10 (% of limit)
11.9595