Trent 970-84

Turbofan · Rolls-Royce
Reaction Turbines
Maximum Takeoff Thrust
334.7 kN
Bypass Ratio
7.5
Overall Pressure Ratio
38.97
Fuel Flow Take Off
2.6 kg/s
NOx Unitaryto CAEP8
84.3 % 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 Tiled
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 7.5 Overall Pressure Ratio 38.97 Afterburner No

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Airplanes

Name Model Aircraft Engine Number of Engines Length (m) Flat Wing Span (m) Max Seating
A380-841 A380-800 Trent 970-84 4 72.72 79.75 853

Similar reaction turbines

Name Aircraft Engine Manufacturer Maximum Takeoff Thrust (kN) Bypass Ratio Overall Pressure Ratio
Trent 972-84 Rolls-Royce 345.9 7.5 38.64 Compare
PW4074 Pratt & Whitney 333.2 6.8 32.2 Compare
PW4074D Pratt & Whitney 333.2 6.7 31.76 Compare
Trent 970-84 Rolls-Royce 338.7 8.45 38 Compare
PW4077 Pratt & Whitney 343 6.7 33.2 Compare
PW4077D Pratt & Whitney 343 6.6 32.83 Compare
All data (64 fields)
Name
Trent 970-84
EASA ID
8RR046
Aircraft Engine Manufacturer
Rolls-Royce
Aircraft Engine Type
Turbofan
Geared Fan
No
Combustion Chamber
Phase5 Tiled
Afterburner
No
Streams
2
Bypass Ratio
7.5
Overall Pressure Ratio
38.97
Maximum Takeoff Thrust (kN)
334.7
Hydrocarbon Take Off (g/kg fuel)
0
Hydrocarbon Climb Out (g/kg fuel)
0
Hydrocarbon Approach (g/kg fuel)
0
Hydrocarbon Idle (g/kg fuel)
0.2
Hydrocarbon Unitary Average (g/kN)
0.2
Hydrocarbon Unitary Sigma (g/kN)
0.091
Hydrocarbon Unitary Range (g/kN)
0.2-0.3
Hydrocarbon Unitary Characteristic (g/kN)
0.4
Hydrocarbon Unitary Characteristicto Regulatory (% of limit)
1.9
Hydrocarbon LTO (g)
81
Carbon Monoxide Take Off (g/kg fuel)
0.4
Carbon Monoxide Climb Out (g/kg fuel)
0.2
Carbon Monoxide Approach (g/kg fuel)
1.4
Carbon Monoxide Idle (g/kg fuel)
15.1
Carbon Monoxide Unitary Average (g/kN)
19.3
Carbon Monoxide Unitary SD (g/kN)
0.083
Carbon Monoxide Unitary Range (g/kN)
19-19.2
Carbon Monoxide Unitary Characteristic (g/kN)
23.6
Carbon Monoxide Unitary Characteristicto Regulatory (% of limit)
20
NOx Take Off (g/kg fuel)
37.2
NOx Climb Out (g/kg fuel)
29.1
NOx Approach (g/kg fuel)
11.4
NOx Idle (g/kg fuel)
5.1
NOx Unitary Average (g/kN)
49.5
NOx Unitary SD (g/kN)
0.772
NOx Unitary Range (g/kN)
49-50.5
NOx Unitary Characteristic (g/kN)
57.4
NOx Unitaryto Standard (% of limit)
48.7
NOx Unitaryto CAEP2 (% of limit)
60.8
NOx Unitaryto CAEP4 (% of limit)
67.6
NOx Unitaryto CAEP6 (% of limit)
74.6
NOx Unitaryto CAEP8 (% of limit)
84.3
NOx LTO (g)
16555
Smoke Take Off (SN)
4.1
Smoke Climb Out (SN)
4.7
Smoke Approach (SN)
2.6
Smoke Idle (SN)
0.7
Smoke Max (SN)
5.23
Smoke Sigma (SN)
1.201
Smoke Range (SN)
4.1-6.5
Smoke Characteristic (SN)
6.8
Smoke Characteristicto Regulatory (% of limit)
39.6
Fuel Flow Take Off (kg/s)
2.6
Fuel Flow Climbout (kg/s)
2.2
Fuel Flow Approach (kg/s)
0.7
Fuel Flow Idle (kg/s)
0.3
Fuel LTO (kg)
980
Fuel Venting Compliant
No
Carbon Monoxide LTO (g)
6461
Emissions Data Status
C
Emissions Data Superseded
Yes
Emissions Superseded By
18RR081
NOx Compliance Demonstration
2.3.2 d)