Compare reaction turbines
All reaction turbines
|
Trent 970B-84
✕
|
GE90-77B
✕
|
| EASA ID |
18RR082 |
9GE121 |
| Aircraft Engine Manufacturer |
Rolls-Royce |
GE Aircraft Engines |
| Aircraft Engine Type |
Turbofan |
Turbofan |
| Fuel |
|
Jet A-1 |
| Geared Fan |
No |
No |
| Combustion Chamber |
Phase5 Tiled |
PEC |
| Afterburner |
No |
No |
| Streams |
2 |
2 |
| Bypass Ratio |
8.38 |
8.58 |
| Overall Pressure Ratio |
39.35 |
35.68 |
| Maximum Takeoff Thrust (kN) |
352.9 |
357.07 |
| Hydrocarbon Take Off (g/kg fuel) |
0 |
0.04 |
| Hydrocarbon Climb Out (g/kg fuel) |
0.09 |
0.03 |
| Hydrocarbon Approach (g/kg fuel) |
0.07 |
0.06 |
| Hydrocarbon Idle (g/kg fuel) |
0.04 |
3.34 |
| Hydrocarbon Unitary Average (g/kN) |
0.16 |
4.34 |
| Hydrocarbon Unitary Sigma (g/kN) |
0.05 |
0.33 |
| Hydrocarbon Unitary Range (g/kN) |
0.13-0.21 |
4.1-4.72 |
| Hydrocarbon Unitary Characteristic (g/kN) |
0.18 |
6.68 |
| Hydrocarbon Unitary Characteristicto Regulatory (% of limit) |
0.9 |
34.1 |
| Hydrocarbon LTO (g) |
56 |
1548 |
| Carbon Monoxide Take Off (g/kg fuel) |
0.33 |
0.32 |
| Carbon Monoxide Climb Out (g/kg fuel) |
0.31 |
0.33 |
| Carbon Monoxide Approach (g/kg fuel) |
1.05 |
2.23 |
| Carbon Monoxide Idle (g/kg fuel) |
12.65 |
34.77 |
| Carbon Monoxide Unitary Average (g/kN) |
15.5 |
46.01 |
| Carbon Monoxide Unitary SD (g/kN) |
1.63 |
1.1 |
| Carbon Monoxide Unitary Range (g/kN) |
14.13-17.3 |
45.25-47.27 |
| Carbon Monoxide Unitary Characteristic (g/kN) |
16.77 |
56.5 |
| Carbon Monoxide Unitary Characteristicto Regulatory (% of limit) |
14.2 |
47.9 |
| NOx Take Off (g/kg fuel) |
41.34 |
43.15 |
| NOx Climb Out (g/kg fuel) |
31.3 |
34.16 |
| NOx Approach (g/kg fuel) |
12.37 |
14.52 |
| NOx Idle (g/kg fuel) |
5.57 |
5.03 |
| NOx Unitary Average (g/kN) |
52.68 |
60.47 |
| NOx Unitary SD (g/kN) |
1.94 |
0.69 |
| NOx Unitary Range (g/kN) |
50.92-54.77 |
59.78-61.16 |
| NOx Unitary Characteristic (g/kN) |
55.8 |
70.1 |
| NOx Unitaryto Standard (% of limit) |
47 |
0.6 |
| NOx Unitaryto CAEP2 (% of limit) |
58.8 |
78.7 |
| NOx Unitaryto CAEP4 (% of limit) |
65.1 |
89.4 |
| NOx Unitaryto CAEP6 (% of limit) |
71.9 |
99.7 |
| NOx Unitaryto CAEP8 (% of limit) |
81.1 |
114 |
| NOx LTO (g) |
18591 |
21592 |
| Smoke Take Off (SN) |
6.1 |
0.94 |
| Smoke Climb Out (SN) |
6.3 |
0.82 |
| Smoke Approach (SN) |
3.3 |
1.4 |
| Smoke Idle (SN) |
0.6 |
1.55 |
| Smoke Max (SN) |
7.1 |
1.55 |
| Smoke Sigma (SN) |
2.7 |
0.79 |
| Smoke Range (SN) |
5.2-9 |
0.82-2.39 |
| Smoke Characteristic (SN) |
8.3 |
2 |
| Smoke Characteristicto Regulatory (% of limit) |
49.7 |
12 |
| Fuel Flow Take Off (kg/s) |
2.738 |
2.992 |
| Fuel Flow Climbout (kg/s) |
2.262 |
2.443 |
| Fuel Flow Approach (kg/s) |
0.749 |
0.821 |
| Fuel Flow Idle (kg/s) |
0.261 |
0.292 |
| Fuel LTO (kg) |
1001 |
1101 |
| Fuel Venting Compliant |
Yes |
Yes |
| Carbon Monoxide LTO (g) |
5471 |
16429 |
| Emissions Data Status |
C |
C |
| Engine Status |
Out of service |
Out of production |
| NOx Compliance Demonstration |
2.3.2 e) |
|