Compare reaction turbines
All reaction turbines
|
RB211-524G-T
✕
|
PW4256
✕
|
| EASA ID |
4RR036 |
1PW051 |
| Aircraft Engine Manufacturer |
Rolls-Royce |
Pratt & Whitney |
| Aircraft Engine Type |
Turbofan |
Turbofan |
| Fuel |
AVTUR |
Jet A |
| Geared Fan |
No |
No |
| Afterburner |
No |
No |
| Streams |
2 |
2 |
| Bypass Ratio |
4.25 |
4.7 |
| Overall Pressure Ratio |
32.1 |
29.3 |
| Maximum Takeoff Thrust (kN) |
253 |
252.4 |
| Hydrocarbon Take Off (g/kg fuel) |
0 |
0.11 |
| Hydrocarbon Climb Out (g/kg fuel) |
0.03 |
0.17 |
| Hydrocarbon Approach (g/kg fuel) |
0 |
0.25 |
| Hydrocarbon Idle (g/kg fuel) |
3.95 |
0.66 |
| Hydrocarbon Unitary Average (g/kN) |
6.24 |
1.2 |
| Hydrocarbon Unitary Range (g/kN) |
5.29-7.11 |
|
| Hydrocarbon Unitary Characteristic (g/kN) |
9.6 |
1.8 |
| Hydrocarbon Unitary Characteristicto Regulatory (% of limit) |
49 |
9.4 |
| Hydrocarbon LTO (g) |
1610 |
288 |
| Carbon Monoxide Take Off (g/kg fuel) |
0.16 |
0.08 |
| Carbon Monoxide Climb Out (g/kg fuel) |
0.14 |
0.14 |
| Carbon Monoxide Approach (g/kg fuel) |
1.17 |
0.9 |
| Carbon Monoxide Idle (g/kg fuel) |
28.82 |
11.6 |
| Carbon Monoxide Unitary Average (g/kN) |
46.37 |
14.2 |
| Carbon Monoxide Unitary Range (g/kN) |
43.6-50.58 |
|
| Carbon Monoxide Unitary Characteristic (g/kN) |
56.9 |
17.4 |
| Carbon Monoxide Unitary Characteristicto Regulatory (% of limit) |
48.2 |
14.8 |
| NOx Take Off (g/kg fuel) |
28.43 |
32.5 |
| NOx Climb Out (g/kg fuel) |
21.8 |
24.6 |
| NOx Approach (g/kg fuel) |
9.68 |
11.6 |
| NOx Idle (g/kg fuel) |
4 |
5 |
| NOx Unitary Average (g/kN) |
49.42 |
51.7 |
| NOx Unitary Range (g/kN) |
48-50.3 |
|
| NOx Unitary Characteristic (g/kN) |
57.3 |
59.9 |
| NOx Unitaryto Standard (% of limit) |
55 |
60.8 |
| NOx Unitaryto CAEP2 (% of limit) |
68.7 |
76 |
| NOx Unitaryto CAEP4 (% of limit) |
80.5 |
91 |
| NOx Unitaryto CAEP6 (% of limit) |
90.7 |
103.4 |
| NOx Unitaryto CAEP8 (% of limit) |
105.5 |
121.9 |
| NOx LTO (g) |
12513 |
13043 |
| Smoke Take Off (SN) |
5.23 |
14.3 |
| Smoke Climb Out (SN) |
5.23 |
|
| Smoke Approach (SN) |
1.83 |
|
| Smoke Idle (SN) |
0.53 |
|
| Smoke Max (SN) |
5.34 |
14.3 |
| Smoke Range (SN) |
4.7-6 |
|
| Smoke Characteristic (SN) |
6.9 |
18.4 |
| Smoke Characteristicto Regulatory (% of limit) |
37.4 |
100.2 |
| Fuel Flow Take Off (kg/s) |
2.62 |
2.449 |
| Fuel Flow Climbout (kg/s) |
2.1 |
1.981 |
| Fuel Flow Approach (kg/s) |
0.74 |
0.647 |
| Fuel Flow Idle (kg/s) |
0.26 |
0.188 |
| Fuel LTO (kg) |
970 |
813 |
| Fuel Venting Compliant |
No |
No |
| Carbon Monoxide LTO (g) |
11954 |
3587 |
| Emissions Data Status |
C |
C |
| Engine Status |
Out of production |
Out of production |