Compare reaction turbines
All reaction turbines
|
Trent 970B-84
✕
|
Trent 972E-84
✕
|
| EASA ID |
18RR082 |
18RR084 |
| Aircraft Engine Manufacturer |
Rolls-Royce |
Rolls-Royce |
| Aircraft Engine Type |
Turbofan |
Turbofan |
| Geared Fan |
No |
No |
| Combustion Chamber |
Phase5 Tiled |
Phase5 Tiled |
| Afterburner |
No |
No |
| Streams |
2 |
2 |
| Bypass Ratio |
8.38 |
8.41 |
| Overall Pressure Ratio |
39.35 |
38.68 |
| Maximum Takeoff Thrust (kN) |
352.9 |
345.9 |
| Hydrocarbon Take Off (g/kg fuel) |
0 |
0.01 |
| Hydrocarbon Climb Out (g/kg fuel) |
0.09 |
0.11 |
| Hydrocarbon Approach (g/kg fuel) |
0.07 |
0.07 |
| Hydrocarbon Idle (g/kg fuel) |
0.04 |
0.04 |
| Hydrocarbon Unitary Average (g/kN) |
0.16 |
0.17 |
| Hydrocarbon Unitary Sigma (g/kN) |
0.05 |
0.05 |
| Hydrocarbon Unitary Range (g/kN) |
0.13-0.21 |
0.13-0.24 |
| Hydrocarbon Unitary Characteristic (g/kN) |
0.18 |
0.2 |
| Hydrocarbon Unitary Characteristicto Regulatory (% of limit) |
0.9 |
1 |
| Hydrocarbon LTO (g) |
56 |
60 |
| Carbon Monoxide Take Off (g/kg fuel) |
0.33 |
0.32 |
| Carbon Monoxide Climb Out (g/kg fuel) |
0.31 |
0.31 |
| Carbon Monoxide Approach (g/kg fuel) |
1.05 |
1.1 |
| Carbon Monoxide Idle (g/kg fuel) |
12.65 |
13 |
| Carbon Monoxide Unitary Average (g/kN) |
15.5 |
16.06 |
| Carbon Monoxide Unitary SD (g/kN) |
1.63 |
1.69 |
| Carbon Monoxide Unitary Range (g/kN) |
14.13-17.3 |
14.64-17.93 |
| Carbon Monoxide Unitary Characteristic (g/kN) |
16.77 |
17.37 |
| Carbon Monoxide Unitary Characteristicto Regulatory (% of limit) |
14.2 |
14.7 |
| NOx Take Off (g/kg fuel) |
41.34 |
39.78 |
| NOx Climb Out (g/kg fuel) |
31.3 |
30.36 |
| NOx Approach (g/kg fuel) |
12.37 |
12.23 |
| NOx Idle (g/kg fuel) |
5.57 |
5.51 |
| NOx Unitary Average (g/kN) |
52.68 |
51.16 |
| NOx Unitary SD (g/kN) |
1.94 |
1.92 |
| NOx Unitary Range (g/kN) |
50.92-54.77 |
49.39-53.2 |
| NOx Unitary Characteristic (g/kN) |
55.8 |
54.19 |
| NOx Unitaryto Standard (% of limit) |
47 |
46.2 |
| NOx Unitaryto CAEP2 (% of limit) |
58.8 |
57.7 |
| NOx Unitaryto CAEP4 (% of limit) |
65.1 |
64.2 |
| NOx Unitaryto CAEP6 (% of limit) |
71.9 |
71 |
| NOx Unitaryto CAEP8 (% of limit) |
81.1 |
80.3 |
| NOx LTO (g) |
18591 |
17699 |
| Smoke Take Off (SN) |
6.1 |
6.1 |
| Smoke Climb Out (SN) |
6.3 |
6.4 |
| Smoke Approach (SN) |
3.3 |
3.2 |
| Smoke Idle (SN) |
0.6 |
0.6 |
| Smoke Max (SN) |
7.1 |
7.1 |
| Smoke Sigma (SN) |
2.7 |
2.7 |
| Smoke Range (SN) |
5.2-9 |
5.2-9 |
| Smoke Characteristic (SN) |
8.3 |
8.3 |
| Smoke Characteristicto Regulatory (% of limit) |
49.7 |
49.4 |
| Fuel Flow Take Off (kg/s) |
2.738 |
2.672 |
| Fuel Flow Climbout (kg/s) |
2.262 |
2.21 |
| Fuel Flow Approach (kg/s) |
0.749 |
0.735 |
| Fuel Flow Idle (kg/s) |
0.261 |
0.258 |
| Fuel LTO (kg) |
1001 |
983 |
| Fuel Venting Compliant |
Yes |
Yes |
| Carbon Monoxide LTO (g) |
5471 |
5557 |
| Emissions Data Status |
C |
C |
| Emissions Data Superseded |
|
Yes |
| Emissions Superseded By |
|
01P18RR105 |
| Engine Status |
Out of service |
|
| NOx Compliance Demonstration |
2.3.2 e) |
2.3.2 e) |