Airfoil Comparison
Select airfoils from the airfoil database or add your own airfoils and compare the airfoil shape and lift/drag polars.
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(fx84w175-il) FX 84-W-175 | Wortmann FX 84-W-175 airfoil for use on wind turbines (W) Max thickness 17.6% at 37.1% chord Max camber 4.4% at 43.5% chord | Remove Airfoil details Airfoil plotter |
(fx75vg166-il) FX 75-VG-166/22 | Wortmann FX 75-VG-166/22 variable geometry airfoil Max thickness 16.7% at 43.5% chord Max camber 2.4% at 40.2% chord | Remove Airfoil details Airfoil plotter |
(fx77w121-il) FX 77-W-121 | Wortmann FX 77-W-121 airfoil for use on wind turbines (W) Max thickness 12.1% at 30.9% chord Max camber 4.6% at 30.9% chord | Remove Airfoil details Airfoil plotter |
(fx78k161-il) FX 78-K-161 | Wortmann FX 78-K-161 airfoil for use with flaps (K) Max thickness 16.2% at 40.2% chord Max camber 2.8% at 37.1% chord | Remove Airfoil details Airfoil plotter |
(fx78k140-il) FX 78-K-140/20 | Wortmann FX 78-K-140/20 airfoil for use with flaps (K) Max thickness 14.1% at 43.5% chord Max camber 4.4% at 43.5% chord | Remove Airfoil details Airfoil plotter |
(fx83w227-il) FX 83-W-227 | Wortmann FX 83-W-227 airfoil for use on wind turbines (W) Max thickness 22.6% at 33.9% chord Max camber 3.4% at 40.2% chord | Remove Airfoil details Airfoil plotter |
(fx77w258-il) WORTMANN FX 77-W-258 AIRFOIL | Wortmann FX 77-W-258 wind turbine airfoil Max thickness 26.1% at 30.9% chord Max camber 4.3% at 27.9% chord | Remove Airfoil details Airfoil plotter |
(fx61168-il) FX 61-168 AIRFOIL | Wortmann FX 61-168 airfoil Max thickness 16.8% at 37.1% chord Max camber 3% at 37.1% chord | Remove Airfoil details Airfoil plotter |
Drawing Options
Polars for (fx84w175-il,fx75vg166-il,fx77w121-il,fx78k161-il,fx78k140-il,fx83w227-il,fx77w258-il,fx61168-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| fx84w175-il | 50,000 | 9 | 4.5 at α=12° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx84w175-il | 50,000 | 5 | 10.3 at α=8.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx84w175-il | 100,000 | 9 | 26.6 at α=14° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx84w175-il | 100,000 | 5 | 34.1 at α=8° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx84w175-il | 200,000 | 9 | 68.4 at α=9.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx84w175-il | 200,000 | 5 | 69.8 at α=6.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx84w175-il | 500,000 | 9 | 108.6 at α=7.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx84w175-il | 500,000 | 5 | 100.1 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx84w175-il | 1,000,000 | 9 | 135.1 at α=6.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx84w175-il | 1,000,000 | 5 | 124 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx75vg166-il | 50,000 | 9 | 20.6 at α=11.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx75vg166-il | 50,000 | 5 | 17.2 at α=11.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx75vg166-il | 100,000 | 9 | 28.7 at α=10.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx75vg166-il | 100,000 | 5 | 25.7 at α=10.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx75vg166-il | 200,000 | 9 | 43.1 at α=9.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx75vg166-il | 200,000 | 5 | 45 at α=8.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx75vg166-il | 500,000 | 9 | 82.4 at α=7.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx75vg166-il | 500,000 | 5 | 84 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx75vg166-il | 1,000,000 | 9 | 107.8 at α=5.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx75vg166-il | 1,000,000 | 5 | 103.3 at α=4.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx77w121-il | 50,000 | 9 | 8.1 at α=-1.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx77w121-il | 50,000 | 5 | 18 at α=3.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx77w121-il | 100,000 | 9 | 19 at α=2° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx77w121-il | 100,000 | 5 | 37.5 at α=8° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx77w121-il | 200,000 | 9 | 71.9 at α=10.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx77w121-il | 200,000 | 5 | 73.6 at α=9.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx77w121-il | 500,000 | 9 | 115.5 at α=9° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx77w121-il | 500,000 | 5 | 114.3 at α=8.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx77w121-il | 1,000,000 | 9 | 149.2 at α=8° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx77w121-il | 1,000,000 | 5 | 145.3 at α=7.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx78k161-il | 50,000 | 9 | 15.1 at α=13.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx78k161-il | 50,000 | 5 | 13.4 at α=12.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx78k161-il | 100,000 | 9 | 23.2 at α=10.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx78k161-il | 100,000 | 5 | 24.5 at α=10° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx78k161-il | 200,000 | 9 | 65.3 at α=7.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx78k161-il | 200,000 | 5 | 43.8 at α=8.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx78k161-il | 500,000 | 9 | 81.6 at α=7° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx78k161-il | 500,000 | 5 | 81 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx78k161-il | 1,000,000 | 9 | 102.3 at α=5.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx78k161-il | 1,000,000 | 5 | 98.9 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx78k140-il | 50,000 | 9 | 16.3 at α=12.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx78k140-il | 50,000 | 5 | 15 at α=11.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx78k140-il | 100,000 | 9 | 26.2 at α=10° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx78k140-il | 100,000 | 5 | 27.2 at α=9.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx78k140-il | 200,000 | 9 | 54.2 at α=8.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx78k140-il | 200,000 | 5 | 53.8 at α=8° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx78k140-il | 500,000 | 9 | 125.1 at α=6.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx78k140-il | 500,000 | 5 | 122.5 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx78k140-il | 1,000,000 | 9 | 162.5 at α=5.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx78k140-il | 1,000,000 | 5 | 153.1 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx83w227-il | 50,000 | 9 | 2.3 at α=10.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx83w227-il | 50,000 | 5 | 7 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx83w227-il | 100,000 | 9 | 8.9 at α=4.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx83w227-il | 100,000 | 5 | 31.3 at α=6.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx83w227-il | 200,000 | 9 | 56.2 at α=8.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx83w227-il | 200,000 | 5 | 50 at α=8° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx83w227-il | 500,000 | 9 | 73.2 at α=8.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx83w227-il | 500,000 | 5 | 62.9 at α=8.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx83w227-il | 1,000,000 | 9 | 84.4 at α=8.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx83w227-il | 1,000,000 | 5 | 73.5 at α=9.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx77w258-il | 50,000 | 9 | 1.5 at α=7.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx77w258-il | 50,000 | 5 | 2.5 at α=7.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx77w258-il | 100,000 | 9 | 1.2 at α=5.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx77w258-il | 100,000 | 5 | 10.5 at α=2° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx77w258-il | 200,000 | 9 | 9.5 at α=0.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx77w258-il | 200,000 | 5 | 36.5 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx77w258-il | 500,000 | 9 | 76 at α=11° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx77w258-il | 500,000 | 5 | 83.2 at α=9.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx77w258-il | 1,000,000 | 9 | 112.5 at α=9.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx77w258-il | 1,000,000 | 5 | 103.6 at α=8.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx61168-il | 50,000 | 9 | 5.1 at α=10.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx61168-il | 50,000 | 5 | 15.4 at α=12° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx61168-il | 100,000 | 9 | 44.7 at α=11.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx61168-il | 100,000 | 5 | 48.4 at α=8.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx61168-il | 200,000 | 9 | 71 at α=9° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx61168-il | 200,000 | 5 | 73 at α=7.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx61168-il | 500,000 | 9 | 104.5 at α=7° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx61168-il | 500,000 | 5 | 101.2 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx61168-il | 1,000,000 | 9 | 129.7 at α=5.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx61168-il | 1,000,000 | 5 | 120.4 at α=5.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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