Compare reaction turbines
All reaction turbines
|
Trent 970-84
✕
|
PW4074D
✕
|
| EASA ID |
8RR046 |
3PW063 |
| Aircraft Engine Manufacturer |
Rolls-Royce |
Pratt & Whitney |
| Aircraft Engine Type |
Turbofan |
Turbofan |
| Fuel |
|
Jet A |
| Geared Fan |
No |
No |
| Combustion Chamber |
Phase5 Tiled |
|
| Afterburner |
No |
No |
| Streams |
2 |
2 |
| Bypass Ratio |
7.5 |
6.7 |
| Overall Pressure Ratio |
38.97 |
31.76 |
| Maximum Takeoff Thrust (kN) |
334.7 |
333.2 |
| Hydrocarbon Take Off (g/kg fuel) |
0 |
0.03 |
| Hydrocarbon Climb Out (g/kg fuel) |
0 |
0.05 |
| Hydrocarbon Approach (g/kg fuel) |
0 |
0.08 |
| Hydrocarbon Idle (g/kg fuel) |
0.2 |
5.07 |
| Hydrocarbon Unitary Average (g/kN) |
0.2 |
5.76 |
| Hydrocarbon Unitary Sigma (g/kN) |
0.091 |
|
| Hydrocarbon Unitary Range (g/kN) |
0.2-0.3 |
|
| Hydrocarbon Unitary Characteristic (g/kN) |
0.4 |
8.9 |
| Hydrocarbon Unitary Characteristicto Regulatory (% of limit) |
1.9 |
45.4 |
| Hydrocarbon LTO (g) |
81 |
1926 |
| Carbon Monoxide Take Off (g/kg fuel) |
0.4 |
0.23 |
| Carbon Monoxide Climb Out (g/kg fuel) |
0.2 |
0.25 |
| Carbon Monoxide Approach (g/kg fuel) |
1.4 |
0.64 |
| Carbon Monoxide Idle (g/kg fuel) |
15.1 |
34.34 |
| Carbon Monoxide Unitary Average (g/kN) |
19.3 |
39.05 |
| Carbon Monoxide Unitary SD (g/kN) |
0.083 |
|
| Carbon Monoxide Unitary Range (g/kN) |
19-19.2 |
|
| Carbon Monoxide Unitary Characteristic (g/kN) |
23.6 |
47.9 |
| Carbon Monoxide Unitary Characteristicto Regulatory (% of limit) |
20 |
40.6 |
| NOx Take Off (g/kg fuel) |
37.2 |
42.35 |
| NOx Climb Out (g/kg fuel) |
29.1 |
34.48 |
| NOx Approach (g/kg fuel) |
11.4 |
11.88 |
| NOx Idle (g/kg fuel) |
5.1 |
3.81 |
| NOx Unitary Average (g/kN) |
49.5 |
59.93 |
| NOx Unitary SD (g/kN) |
0.772 |
|
| NOx Unitary Range (g/kN) |
49-50.5 |
|
| NOx Unitary Characteristic (g/kN) |
57.4 |
69.5 |
| NOx Unitaryto Standard (% of limit) |
48.7 |
67.1 |
| NOx Unitaryto CAEP2 (% of limit) |
60.8 |
83.9 |
| NOx Unitaryto CAEP4 (% of limit) |
67.6 |
98.6 |
| NOx Unitaryto CAEP6 (% of limit) |
74.6 |
111.2 |
| NOx Unitaryto CAEP8 (% of limit) |
84.3 |
129.6 |
| NOx LTO (g) |
16555 |
19971 |
| Smoke Take Off (SN) |
4.1 |
|
| Smoke Climb Out (SN) |
4.7 |
|
| Smoke Approach (SN) |
2.6 |
|
| Smoke Idle (SN) |
0.7 |
|
| Smoke Max (SN) |
5.23 |
3.38 |
| Smoke Sigma (SN) |
1.201 |
|
| Smoke Range (SN) |
4.1-6.5 |
|
| Smoke Characteristic (SN) |
6.8 |
4.4 |
| Smoke Characteristicto Regulatory (% of limit) |
39.6 |
25.9 |
| Fuel Flow Take Off (kg/s) |
2.6 |
2.949 |
| Fuel Flow Climbout (kg/s) |
2.2 |
2.416 |
| Fuel Flow Approach (kg/s) |
0.7 |
0.81 |
| Fuel Flow Idle (kg/s) |
0.3 |
0.239 |
| Fuel LTO (kg) |
980 |
1010 |
| Fuel Venting Compliant |
No |
|
| Carbon Monoxide LTO (g) |
6461 |
13036 |
| Emissions Data Status |
C |
C |
| Emissions Data Superseded |
Yes |
|
| Emissions Superseded By |
18RR081 |
|
| Engine Status |
|
Out of production |
| NOx Compliance Demonstration |
2.3.2 d) |
|