Compare reaction turbines
All reaction turbines
|
Trent 972-84
✕
|
PW4074D
✕
|
| EASA ID |
9RR047 |
10PW096 |
| Aircraft Engine Manufacturer |
Rolls-Royce |
Pratt & Whitney |
| Aircraft Engine Type |
Turbofan |
Turbofan |
| Fuel |
|
Jet A |
| Geared Fan |
No |
No |
| Combustion Chamber |
Phase5 Tiled |
Floatwall |
| Afterburner |
No |
No |
| Streams |
2 |
2 |
| Bypass Ratio |
7.5 |
6.7 |
| Overall Pressure Ratio |
38.64 |
32.3 |
| Maximum Takeoff Thrust (kN) |
345.9 |
344.5 |
| Hydrocarbon Take Off (g/kg fuel) |
0 |
0.02 |
| Hydrocarbon Climb Out (g/kg fuel) |
0 |
0.02 |
| Hydrocarbon Approach (g/kg fuel) |
0 |
0.04 |
| Hydrocarbon Idle (g/kg fuel) |
0.24 |
3.12 |
| Hydrocarbon Unitary Average (g/kN) |
0.3 |
4.36 |
| Hydrocarbon Unitary Sigma (g/kN) |
0.084 |
|
| Hydrocarbon Unitary Range (g/kN) |
0.2-0.4 |
|
| Hydrocarbon Unitary Characteristic (g/kN) |
0.5 |
5.67 |
| Hydrocarbon Unitary Characteristicto Regulatory (% of limit) |
2.3 |
28.9 |
| Hydrocarbon LTO (g) |
101 |
1501.9 |
| Carbon Monoxide Take Off (g/kg fuel) |
0.4 |
0.3 |
| Carbon Monoxide Climb Out (g/kg fuel) |
0.3 |
0.35 |
| Carbon Monoxide Approach (g/kg fuel) |
1.4 |
0.96 |
| Carbon Monoxide Idle (g/kg fuel) |
15.94 |
26.34 |
| Carbon Monoxide Unitary Average (g/kN) |
20.5 |
37.4 |
| Carbon Monoxide Unitary SD (g/kN) |
0.116 |
|
| Carbon Monoxide Unitary Range (g/kN) |
20.4-20.6 |
|
| Carbon Monoxide Unitary Characteristic (g/kN) |
25.2 |
42.61 |
| Carbon Monoxide Unitary Characteristicto Regulatory (% of limit) |
21.3 |
36.1 |
| NOx Take Off (g/kg fuel) |
38.8 |
42.46 |
| NOx Climb Out (g/kg fuel) |
29.6 |
32.71 |
| NOx Approach (g/kg fuel) |
11.8 |
11.35 |
| NOx Idle (g/kg fuel) |
5 |
3.8 |
| NOx Unitary Average (g/kN) |
50.1 |
58.84 |
| NOx Unitary SD (g/kN) |
0.802 |
|
| NOx Unitary Range (g/kN) |
49.5-51 |
|
| NOx Unitary Characteristic (g/kN) |
58.1 |
64.7 |
| NOx Unitaryto Standard (% of limit) |
49.5 |
61.9 |
| NOx Unitaryto CAEP2 (% of limit) |
61.9 |
77.3 |
| NOx Unitaryto CAEP4 (% of limit) |
68.9 |
90.4 |
| NOx Unitaryto CAEP6 (% of limit) |
76.2 |
101.8 |
| NOx Unitaryto CAEP8 (% of limit) |
86.2 |
118.2 |
| NOx LTO (g) |
17327 |
20269.1 |
| Smoke Take Off (SN) |
4.1 |
4.22 |
| Smoke Climb Out (SN) |
4.8 |
2.36 |
| Smoke Approach (SN) |
2.6 |
0.65 |
| Smoke Idle (SN) |
0.8 |
0.33 |
| Smoke Max (SN) |
5.3 |
4.2 |
| Smoke Sigma (SN) |
1.095 |
|
| Smoke Range (SN) |
4.2-6.4 |
|
| Smoke Characteristic (SN) |
6.8 |
4.9 |
| Smoke Characteristicto Regulatory (% of limit) |
40.5 |
29.2 |
| Fuel Flow Take Off (kg/s) |
2.69 |
3.042 |
| Fuel Flow Climbout (kg/s) |
2.23 |
2.471 |
| Fuel Flow Approach (kg/s) |
0.75 |
0.869 |
| Fuel Flow Idle (kg/s) |
0.27 |
0.305 |
| Fuel LTO (kg) |
1009 |
1138.3 |
| Fuel Venting Compliant |
No |
Yes |
| Carbon Monoxide LTO (g) |
7099 |
12885.3 |
| Emissions Data Status |
C |
C |
| Emissions Data Superseded |
Yes |
|
| Emissions Superseded By |
18RR083 |
|
| Engine Status |
|
Out of production |
| NOx Compliance Demonstration |
2.3.2 d) |
2.3.2 c) |