Compare reaction turbines
All reaction turbines
|
Trent 768
✕
|
PW4168
✕
|
| EASA ID |
3RR029 |
1PW050 |
| Aircraft Engine Manufacturer |
Rolls-Royce |
Pratt & Whitney |
| Aircraft Engine Type |
Turbofan |
Turbofan |
| Fuel |
AVTUR |
Jet A |
| Geared Fan |
No |
No |
| Combustion Chamber |
Improved traverse |
Floatwall |
| Afterburner |
No |
No |
| Streams |
2 |
2 |
| Bypass Ratio |
5.15 |
5.1 |
| Overall Pressure Ratio |
34 |
33.1 |
| Maximum Takeoff Thrust (kN) |
300.3 |
302.48 |
| Hydrocarbon Take Off (g/kg fuel) |
0 |
0.03 |
| Hydrocarbon Climb Out (g/kg fuel) |
0.01 |
0.04 |
| Hydrocarbon Approach (g/kg fuel) |
0.01 |
0.15 |
| Hydrocarbon Idle (g/kg fuel) |
1.89 |
3.29 |
| Hydrocarbon Unitary Average (g/kN) |
2.7 |
3.9 |
| Hydrocarbon Unitary Range (g/kN) |
2.29-3.13 |
|
| Hydrocarbon Unitary Characteristic (g/kN) |
4.2 |
6 |
| Hydrocarbon Unitary Characteristicto Regulatory (% of limit) |
21.4 |
30.6 |
| Hydrocarbon LTO (g) |
801 |
1179 |
| Carbon Monoxide Take Off (g/kg fuel) |
0.18 |
0.72 |
| Carbon Monoxide Climb Out (g/kg fuel) |
0.15 |
0.74 |
| Carbon Monoxide Approach (g/kg fuel) |
1.02 |
1.75 |
| Carbon Monoxide Idle (g/kg fuel) |
20.22 |
23.51 |
| Carbon Monoxide Unitary Average (g/kN) |
29.7 |
28.9 |
| Carbon Monoxide Unitary Range (g/kN) |
27.6-31.4 |
|
| Carbon Monoxide Unitary Characteristic (g/kN) |
36.5 |
35.5 |
| Carbon Monoxide Unitary Characteristicto Regulatory (% of limit) |
30.9 |
30.1 |
| NOx Take Off (g/kg fuel) |
31.25 |
42.39 |
| NOx Climb Out (g/kg fuel) |
24.66 |
33.91 |
| NOx Approach (g/kg fuel) |
10.01 |
14.66 |
| NOx Idle (g/kg fuel) |
4.52 |
4.15 |
| NOx Unitary Average (g/kN) |
52.2 |
65.2 |
| NOx Unitary Range (g/kN) |
51-53.1 |
|
| NOx Unitary Characteristic (g/kN) |
60.5 |
75.6 |
| NOx Unitaryto Standard (% of limit) |
56 |
71.2 |
| NOx Unitaryto CAEP2 (% of limit) |
70 |
89 |
| NOx Unitaryto CAEP4 (% of limit) |
80.7 |
103.2 |
| NOx Unitaryto CAEP6 (% of limit) |
90.4 |
116 |
| NOx Unitaryto CAEP8 (% of limit) |
104.1 |
134.2 |
| NOx LTO (g) |
15658 |
19704 |
| Smoke Take Off (SN) |
1.9 |
4 |
| Smoke Climb Out (SN) |
2 |
2.6 |
| Smoke Approach (SN) |
0.7 |
0.7 |
| Smoke Idle (SN) |
0.2 |
0 |
| Smoke Max (SN) |
2 |
4 |
| Smoke Range (SN) |
1.6-2.5 |
|
| Smoke Characteristic (SN) |
2.6 |
5.1 |
| Smoke Characteristicto Regulatory (% of limit) |
14.8 |
29.5 |
| Fuel Flow Take Off (kg/s) |
2.97 |
2.836 |
| Fuel Flow Climbout (kg/s) |
2.43 |
2.327 |
| Fuel Flow Approach (kg/s) |
0.81 |
0.798 |
| Fuel Flow Idle (kg/s) |
0.27 |
0.221 |
| Fuel LTO (kg) |
1061 |
963 |
| Fuel Venting Compliant |
|
No |
| Carbon Monoxide LTO (g) |
8786 |
8754 |
| Emissions Data Status |
C |
C |
| Engine Status |
Out of production |
Out of production |
| NOx Compliance Demonstration |
2.3.2 d) |
2.3.2 c) |