Trent 970-84

Turbofan · Rolls-Royce

Reaction Turbines

Maximum Takeoff Thrust

338.7 kN

Bypass Ratio

8.45

Overall Pressure Ratio

Fuel Flow Take Off

2.605 kg/s

NOx Unitaryto CAEP8

79.6 % 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 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 8.45	Overall Pressure Ratio 38	Afterburner No

Pictures

No pictures yet for this family.

Similar reaction turbines

Name	Aircraft Engine Manufacturer	Maximum Takeoff Thrust (kN)	Bypass Ratio	Overall Pressure Ratio
Trent 970-84	Rolls-Royce	338.7	8.45	38	Compare
GEnx-1B74/75/P2	GE Aircraft Engines	341.2	8.65	46.4	Compare
Trent 972-84	Rolls-Royce	345.9	8.41	38.68	Compare
Trent 972E-84	Rolls-Royce	345.9	8.41	38.68	Compare
GEnx-1B74/75/P1	GE Aircraft Engines	341.2	8.8	46	Compare
GEnx-1B75/P2	GE Aircraft Engines	345.2	8.62	47	Compare

All data (64 fields)

Name: Trent 970-84
EASA ID: 18RR081
Aircraft Engine Manufacturer: Rolls-Royce
Aircraft Engine Type: Turbofan
Geared Fan: No
Combustion Chamber: Phase5 Tiled
Afterburner: No
Streams: 2
Bypass Ratio: 8.45
Overall Pressure Ratio: 38
Maximum Takeoff Thrust (kN): 338.7
Hydrocarbon Take Off (g/kg fuel): 0.02
Hydrocarbon Climb Out (g/kg fuel): 0.12
Hydrocarbon Approach (g/kg fuel): 0.08
Hydrocarbon Idle (g/kg fuel): 0.04
Hydrocarbon Unitary Average (g/kN): 0.19
Hydrocarbon Unitary Sigma (g/kN): 0.06
Hydrocarbon Unitary Range (g/kN): 0.13-0.26
Hydrocarbon Unitary Characteristic (g/kN): 0.22
Hydrocarbon Unitary Characteristicto Regulatory (% of limit): 1.1
Hydrocarbon LTO (g): 65
Carbon Monoxide Take Off (g/kg fuel): 0.32
Carbon Monoxide Climb Out (g/kg fuel): 0.31
Carbon Monoxide Approach (g/kg fuel): 1.16
Carbon Monoxide Idle (g/kg fuel): 13.38
Carbon Monoxide Unitary Average (g/kN): 16.68
Carbon Monoxide Unitary SD (g/kN): 1.76
Carbon Monoxide Unitary Range (g/kN): 15.2-18.62
Carbon Monoxide Unitary Characteristic (g/kN): 18.04
Carbon Monoxide Unitary Characteristicto Regulatory (% of limit): 15.3
NOx Take Off (g/kg fuel): 38.29
NOx Climb Out (g/kg fuel): 29.42
NOx Approach (g/kg fuel): 12.09
NOx Idle (g/kg fuel): 5.44
NOx Unitary Average (g/kN): 49.67
NOx Unitary SD (g/kN): 1.89
NOx Unitary Range (g/kN): 47.9-51.66
NOx Unitary Characteristic (g/kN): 52.61
NOx Unitaryto Standard (% of limit): 45.4
NOx Unitaryto CAEP2 (% of limit): 56.7
NOx Unitaryto CAEP4 (% of limit): 63.4
NOx Unitaryto CAEP6 (% of limit): 70.2
NOx Unitaryto CAEP8 (% of limit): 79.6
NOx LTO (g): 16826
Smoke Take Off (SN): 6.1
Smoke Climb Out (SN): 6.4
Smoke Approach (SN): 3
Smoke Idle (SN): 0.6
Smoke Max (SN): 7.1
Smoke Sigma (SN): 2.7
Smoke Range (SN): 5.2-9
Smoke Characteristic (SN): 8.3
Smoke Characteristicto Regulatory (% of limit): 49.1
Fuel Flow Take Off (kg/s): 2.605
Fuel Flow Climbout (kg/s): 2.157
Fuel Flow Approach (kg/s): 0.72
Fuel Flow Idle (kg/s): 0.255
Fuel LTO (kg): 965
Fuel Venting Compliant: Yes
Carbon Monoxide LTO (g): 5650
Emissions Data Status: C
Emissions Data Superseded: Yes
Emissions Superseded By: 01P18RR103
NOx Compliance Demonstration: 2.3.2 e)