Compare reaction turbines
All reaction turbines
|
Trent 772
✕
|
PW4170
✕
|
| EASA ID |
3RR030 |
9PW095 |
| Aircraft Engine Manufacturer |
Rolls-Royce |
Pratt & Whitney |
| Aircraft Engine Type |
Turbofan |
Turbofan |
| Fuel |
AVTUR |
Jet A |
| Geared Fan |
No |
No |
| Combustion Chamber |
Improved traverse |
Talon IIB |
| Afterburner |
No |
No |
| Streams |
2 |
2 |
| Bypass Ratio |
5.03 |
4.86 |
| Overall Pressure Ratio |
35.8 |
33.8 |
| Maximum Takeoff Thrust (kN) |
316.3 |
311.4 |
| Hydrocarbon Take Off (g/kg fuel) |
0 |
0 |
| Hydrocarbon Climb Out (g/kg fuel) |
0 |
0 |
| Hydrocarbon Approach (g/kg fuel) |
0.01 |
0.05 |
| Hydrocarbon Idle (g/kg fuel) |
1.46 |
0.83 |
| Hydrocarbon Unitary Average (g/kN) |
2.06 |
1.1 |
| Hydrocarbon Unitary Range (g/kN) |
1.74-2.37 |
|
| Hydrocarbon Unitary Characteristic (g/kN) |
3.2 |
1.7 |
| Hydrocarbon Unitary Characteristicto Regulatory (% of limit) |
16.3 |
8.6 |
| Hydrocarbon LTO (g) |
640 |
341 |
| Carbon Monoxide Take Off (g/kg fuel) |
0.2 |
0.18 |
| Carbon Monoxide Climb Out (g/kg fuel) |
0.16 |
0.18 |
| Carbon Monoxide Approach (g/kg fuel) |
0.89 |
1.17 |
| Carbon Monoxide Idle (g/kg fuel) |
17.94 |
14.04 |
| Carbon Monoxide Unitary Average (g/kN) |
26 |
18.9 |
| Carbon Monoxide Unitary Range (g/kN) |
24.2-27.4 |
|
| Carbon Monoxide Unitary Characteristic (g/kN) |
31.9 |
23.2 |
| Carbon Monoxide Unitary Characteristicto Regulatory (% of limit) |
27 |
19.7 |
| NOx Take Off (g/kg fuel) |
34.38 |
31.4 |
| NOx Climb Out (g/kg fuel) |
26.44 |
22.84 |
| NOx Approach (g/kg fuel) |
10.3 |
12.49 |
| NOx Idle (g/kg fuel) |
4.71 |
4.18 |
| NOx Unitary Average (g/kN) |
56.3 |
49.9 |
| NOx Unitary Range (g/kN) |
55-57.4 |
|
| NOx Unitary Characteristic (g/kN) |
65.3 |
57.8 |
| NOx Unitaryto Standard (% of limit) |
58.5 |
53.7 |
| NOx Unitaryto CAEP2 (% of limit) |
73.1 |
67.1 |
| NOx Unitaryto CAEP4 (% of limit) |
83.1 |
77.5 |
| NOx Unitaryto CAEP6 (% of limit) |
92.5 |
86.8 |
| NOx Unitaryto CAEP8 (% of limit) |
105.8 |
100.1 |
| NOx LTO (g) |
17784 |
15526 |
| Smoke Take Off (SN) |
1.9 |
5.6 |
| Smoke Climb Out (SN) |
2 |
5.6 |
| Smoke Approach (SN) |
0.7 |
0.2 |
| Smoke Idle (SN) |
0.2 |
0 |
| Smoke Max (SN) |
2 |
5.8 |
| Smoke Range (SN) |
1.6-2.5 |
|
| Smoke Characteristic (SN) |
2.6 |
7.5 |
| Smoke Characteristicto Regulatory (% of limit) |
15.1 |
43.1 |
| Fuel Flow Take Off (kg/s) |
3.2 |
3.019 |
| Fuel Flow Climbout (kg/s) |
2.58 |
2.45 |
| Fuel Flow Approach (kg/s) |
0.85 |
0.833 |
| Fuel Flow Idle (kg/s) |
0.28 |
0.255 |
| Fuel LTO (kg) |
1116 |
1048 |
| Fuel Venting Compliant |
|
Yes |
| Carbon Monoxide LTO (g) |
8099 |
5896 |
| Emissions Data Status |
C |
C |
| Emissions Data Superseded |
Yes |
|
| Emissions Superseded By |
14RR071 |
|
| Engine Status |
|
Out of production |
| NOx Compliance Demonstration |
2.3.2 d) |
2.3.2 d) |