Compare reaction turbines
All reaction turbines
|
GE90-85B
✕
|
GE90-77B
✕
|
| EASA ID |
9GE122 |
9GE125 |
| Aircraft Engine Manufacturer |
GE Aircraft Engines |
General Electric Company |
| Aircraft Engine Type |
Turbofan |
Turbofan |
| Fuel |
Jet A-1 |
Jet A-1 |
| Geared Fan |
No |
No |
| Combustion Chamber |
PEC |
PEC |
| Afterburner |
No |
No |
| Streams |
2 |
2 |
| Bypass Ratio |
8.44 |
8.52 |
| Overall Pressure Ratio |
38.37 |
35.8 |
| Maximum Takeoff Thrust (kN) |
388.4 |
366.75 |
| Hydrocarbon Take Off (g/kg fuel) |
0.04 |
0.03 |
| Hydrocarbon Climb Out (g/kg fuel) |
0.03 |
0.03 |
| Hydrocarbon Approach (g/kg fuel) |
0.06 |
0.07 |
| Hydrocarbon Idle (g/kg fuel) |
2.96 |
3.16 |
| Hydrocarbon Unitary Average (g/kN) |
3.55 |
3.56 |
| Hydrocarbon Unitary Sigma (g/kN) |
0.32 |
0.3 |
| Hydrocarbon Unitary Range (g/kN) |
3.34-3.92 |
3.36-3.91 |
| Hydrocarbon Unitary Characteristic (g/kN) |
5.47 |
5.49 |
| Hydrocarbon Unitary Characteristicto Regulatory (% of limit) |
27.9 |
28 |
| Hydrocarbon LTO (g) |
1379 |
1307 |
| Carbon Monoxide Take Off (g/kg fuel) |
0.32 |
0.31 |
| Carbon Monoxide Climb Out (g/kg fuel) |
0.32 |
0.32 |
| Carbon Monoxide Approach (g/kg fuel) |
1.79 |
2.71 |
| Carbon Monoxide Idle (g/kg fuel) |
32.26 |
33.81 |
| Carbon Monoxide Unitary Average (g/kN) |
39.17 |
39.03 |
| Carbon Monoxide Unitary SD (g/kN) |
1.21 |
1.06 |
| Carbon Monoxide Unitary Range (g/kN) |
38.33-40.55 |
38.29-40.24 |
| Carbon Monoxide Unitary Characteristic (g/kN) |
48.1 |
47.9 |
| Carbon Monoxide Unitary Characteristicto Regulatory (% of limit) |
40.7 |
40.6 |
| NOx Take Off (g/kg fuel) |
46.77 |
40.83 |
| NOx Climb Out (g/kg fuel) |
38.49 |
32.78 |
| NOx Approach (g/kg fuel) |
15.56 |
13.87 |
| NOx Idle (g/kg fuel) |
5.25 |
5.12 |
| NOx Unitary Average (g/kN) |
64.33 |
52.88 |
| NOx Unitary SD (g/kN) |
0.54 |
0.71 |
| NOx Unitary Range (g/kN) |
63.8-64.88 |
52.14-53.57 |
| NOx Unitary Characteristic (g/kN) |
74.6 |
61.3 |
| NOx Unitaryto Standard (% of limit) |
63.9 |
54.9 |
| NOx Unitaryto CAEP2 (% of limit) |
79.8 |
68.7 |
| NOx Unitaryto CAEP4 (% of limit) |
89.1 |
78 |
| NOx Unitaryto CAEP6 (% of limit) |
98.5 |
86.9 |
| NOx Unitaryto CAEP8 (% of limit) |
111.5 |
99.3 |
| NOx LTO (g) |
24985 |
19394 |
| Smoke Take Off (SN) |
1.68 |
1.02 |
| Smoke Climb Out (SN) |
0.75 |
0.82 |
| Smoke Approach (SN) |
1.35 |
1.41 |
| Smoke Idle (SN) |
1.2 |
1.51 |
| Smoke Max (SN) |
1.68 |
1.51 |
| Smoke Sigma (SN) |
0.47 |
0.76 |
| Smoke Range (SN) |
1.23-2.16 |
0.86-2.36 |
| Smoke Characteristic (SN) |
2.17 |
1.95 |
| Smoke Characteristicto Regulatory (% of limit) |
13.3 |
11.8 |
| Fuel Flow Take Off (kg/s) |
3.182 |
2.83 |
| Fuel Flow Climbout (kg/s) |
2.591 |
2.309 |
| Fuel Flow Approach (kg/s) |
0.851 |
0.745 |
| Fuel Flow Idle (kg/s) |
0.292 |
0.26 |
| Fuel LTO (kg) |
1135 |
1007 |
| Fuel Venting Compliant |
Yes |
Yes |
| Carbon Monoxide LTO (g) |
15214 |
14314 |
| Emissions Data Status |
C |
C |
| Engine Status |
Out of production |
Out of production |
| NOx Compliance Demonstration |
|
2.3.2 d) |