Compare reaction turbines
All reaction turbines
|
Trent 970-84
✕
|
PW4077
✕
|
| EASA ID |
8RR046 |
2PW061 |
| 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 |
33.2 |
| Maximum Takeoff Thrust (kN) |
334.7 |
343 |
| Hydrocarbon Take Off (g/kg fuel) |
0 |
0.1 |
| Hydrocarbon Climb Out (g/kg fuel) |
0 |
0.1 |
| Hydrocarbon Approach (g/kg fuel) |
0 |
0.2 |
| Hydrocarbon Idle (g/kg fuel) |
0.2 |
3 |
| Hydrocarbon Unitary Average (g/kN) |
0.2 |
3.4 |
| Hydrocarbon Unitary Sigma (g/kN) |
0.091 |
|
| Hydrocarbon Unitary Range (g/kN) |
0.2-0.3 |
|
| Hydrocarbon Unitary Characteristic (g/kN) |
0.4 |
5.2 |
| Hydrocarbon Unitary Characteristicto Regulatory (% of limit) |
1.9 |
26.5 |
| Hydrocarbon LTO (g) |
81 |
1170 |
| Carbon Monoxide Take Off (g/kg fuel) |
0.4 |
0.1 |
| Carbon Monoxide Climb Out (g/kg fuel) |
0.2 |
0.1 |
| Carbon Monoxide Approach (g/kg fuel) |
1.4 |
0.4 |
| Carbon Monoxide Idle (g/kg fuel) |
15.1 |
20.2 |
| Carbon Monoxide Unitary Average (g/kN) |
19.3 |
21.7 |
| 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 |
26.6 |
| Carbon Monoxide Unitary Characteristicto Regulatory (% of limit) |
20 |
22.5 |
| NOx Take Off (g/kg fuel) |
37.2 |
39.8 |
| NOx Climb Out (g/kg fuel) |
29.1 |
32.5 |
| NOx Approach (g/kg fuel) |
11.4 |
11.3 |
| NOx Idle (g/kg fuel) |
5.1 |
4.2 |
| NOx Unitary Average (g/kN) |
49.5 |
56.3 |
| NOx Unitary SD (g/kN) |
0.772 |
|
| NOx Unitary Range (g/kN) |
49-50.5 |
|
| NOx Unitary Characteristic (g/kN) |
57.4 |
65.3 |
| NOx Unitaryto Standard (% of limit) |
48.7 |
61.4 |
| NOx Unitaryto CAEP2 (% of limit) |
60.8 |
76.7 |
| NOx Unitaryto CAEP4 (% of limit) |
67.6 |
89 |
| NOx Unitaryto CAEP6 (% of limit) |
74.6 |
99.9 |
| NOx Unitaryto CAEP8 (% of limit) |
84.3 |
115.5 |
| NOx LTO (g) |
16555 |
19299 |
| Smoke Take Off (SN) |
4.1 |
7.4 |
| Smoke Climb Out (SN) |
4.7 |
3 |
| Smoke Approach (SN) |
2.6 |
0.6 |
| Smoke Idle (SN) |
0.7 |
0 |
| Smoke Max (SN) |
5.23 |
7.4 |
| Smoke Sigma (SN) |
1.201 |
|
| Smoke Range (SN) |
4.1-6.5 |
|
| Smoke Characteristic (SN) |
6.8 |
9.5 |
| Smoke Characteristicto Regulatory (% of limit) |
39.6 |
56.3 |
| Fuel Flow Take Off (kg/s) |
2.6 |
3.019 |
| Fuel Flow Climbout (kg/s) |
2.2 |
2.452 |
| Fuel Flow Approach (kg/s) |
0.7 |
0.816 |
| Fuel Flow Idle (kg/s) |
0.3 |
0.232 |
| Fuel LTO (kg) |
980 |
1008 |
| Fuel Venting Compliant |
No |
No |
| Carbon Monoxide LTO (g) |
6461 |
7434 |
| 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) |
2.3.2 c) |