Compare reaction turbines
All reaction turbines
|
JT9D-7R4G2
✕
|
PW4056
✕
|
| EASA ID |
1PW029 |
1PW042 |
| Aircraft Engine Manufacturer |
Pratt & Whitney |
Pratt & Whitney |
| Aircraft Engine Type |
Turbofan |
Turbofan |
| Fuel |
Jet A |
Jet A |
| Geared Fan |
No |
No |
| Combustion Chamber |
|
Reduced smoke |
| Afterburner |
No |
No |
| Streams |
2 |
2 |
| Bypass Ratio |
4.8 |
4.7 |
| Overall Pressure Ratio |
26.3 |
29.3 |
| Maximum Takeoff Thrust (kN) |
243.5 |
249.1 |
| Hydrocarbon Take Off (g/kg fuel) |
0.15 |
0.06 |
| Hydrocarbon Climb Out (g/kg fuel) |
0.14 |
0.01 |
| Hydrocarbon Approach (g/kg fuel) |
0.18 |
0.13 |
| Hydrocarbon Idle (g/kg fuel) |
1.55 |
1.92 |
| Hydrocarbon Unitary Average (g/kN) |
2.6 |
2.6 |
| Hydrocarbon Unitary Characteristic (g/kN) |
2.9 |
4 |
| Hydrocarbon Unitary Characteristicto Regulatory (% of limit) |
14.9 |
20.4 |
| Hydrocarbon LTO (g) |
620 |
652 |
| Carbon Monoxide Take Off (g/kg fuel) |
0.74 |
0.44 |
| Carbon Monoxide Climb Out (g/kg fuel) |
0.63 |
0.57 |
| Carbon Monoxide Approach (g/kg fuel) |
1.4 |
2 |
| Carbon Monoxide Idle (g/kg fuel) |
11.82 |
21.86 |
| Carbon Monoxide Unitary Average (g/kN) |
19.5 |
30.5 |
| Carbon Monoxide Unitary Characteristic (g/kN) |
20.7 |
37.4 |
| Carbon Monoxide Unitary Characteristicto Regulatory (% of limit) |
17.6 |
31.7 |
| NOx Take Off (g/kg fuel) |
41.3 |
28.1 |
| NOx Climb Out (g/kg fuel) |
29.5 |
22.9 |
| NOx Approach (g/kg fuel) |
8.8 |
11.6 |
| NOx Idle (g/kg fuel) |
3.8 |
4.8 |
| NOx Unitary Average (g/kN) |
60.5 |
48.1 |
| NOx Unitary Characteristic (g/kN) |
63.2 |
55.8 |
| NOx Unitaryto Standard (% of limit) |
68.3 |
56.5 |
| NOx Unitaryto CAEP2 (% of limit) |
85.4 |
70.7 |
| NOx Unitaryto CAEP4 (% of limit) |
103.5 |
84.6 |
| NOx Unitaryto CAEP6 (% of limit) |
117.7 |
96.2 |
| NOx Unitaryto CAEP8 (% of limit) |
140.7 |
113.6 |
| NOx LTO (g) |
14253 |
11987 |
| Smoke Take Off (SN) |
6.8 |
7.8 |
| Smoke Max (SN) |
6.8 |
7.8 |
| Smoke Characteristic (SN) |
7.5 |
10 |
| Smoke Characteristicto Regulatory (% of limit) |
40.3 |
54.5 |
| Fuel Flow Take Off (kg/s) |
2.429 |
2.342 |
| Fuel Flow Climbout (kg/s) |
1.88 |
1.93 |
| Fuel Flow Approach (kg/s) |
0.659 |
0.658 |
| Fuel Flow Idle (kg/s) |
0.2239 |
0.208 |
| Fuel LTO (kg) |
858 |
836 |
| Fuel Venting Compliant |
No |
|
| Carbon Monoxide LTO (g) |
4582 |
7597 |
| Emissions Data Status |
C |
C |
| Engine Status |
Out of production |
Out of production |