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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(sd7043-il) SD7043 (9.1%) | Selig/Donovan SD7043 low Reynolds number airfoil Max thickness 9.1% at 26.6% chord Max camber 3.3% at 50.2% chord | Remove Airfoil details Airfoil plotter |
(fx79w151a-il) FX 79-W-151 A | Wortmann FX 79-W-151 airfoil for use on wind turbines (W) A Max thickness 15.2% at 33.9% chord Max camber 3.8% at 37.1% chord | Remove Airfoil details Airfoil plotter |
(goe387-il) GOE 387 AIRFOIL | Gottingen 387 airfoil Max thickness 14.9% at 30% chord Max camber 5.5% at 40% chord | Remove Airfoil details Airfoil plotter |
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Polars for (sd7043-il,fx79w151a-il,goe387-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| sd7043-il | 50,000 | 9 | 38.6 at α=6.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sd7043-il | 50,000 | 5 | 41.1 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sd7043-il | 100,000 | 9 | 60.7 at α=5.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sd7043-il | 100,000 | 5 | 59.2 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sd7043-il | 200,000 | 9 | 82.8 at α=4.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sd7043-il | 200,000 | 5 | 76 at α=3.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sd7043-il | 500,000 | 9 | 110.1 at α=3.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sd7043-il | 500,000 | 5 | 94.2 at α=2.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sd7043-il | 1,000,000 | 9 | 126.7 at α=2.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sd7043-il | 1,000,000 | 5 | 105.6 at α=3.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx79w151a-il | 50,000 | 9 | 4.8 at α=9.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx79w151a-il | 50,000 | 5 | 19.1 at α=3° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx79w151a-il | 100,000 | 9 | 35.6 at α=12° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx79w151a-il | 100,000 | 5 | 47 at α=6.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx79w151a-il | 200,000 | 9 | 69.8 at α=9.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx79w151a-il | 200,000 | 5 | 71.4 at α=7.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx79w151a-il | 500,000 | 9 | 104.1 at α=7.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx79w151a-il | 500,000 | 5 | 102 at α=6.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx79w151a-il | 1,000,000 | 9 | 132.2 at α=6.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx79w151a-il | 1,000,000 | 5 | 126.1 at α=6.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe387-il | 50,000 | 9 | 6.1 at α=3.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe387-il | 50,000 | 5 | 22.6 at α=4.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe387-il | 100,000 | 9 | 43.6 at α=6.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe387-il | 100,000 | 5 | 50.3 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe387-il | 200,000 | 9 | 71.9 at α=5.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe387-il | 200,000 | 5 | 69.8 at α=4.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe387-il | 500,000 | 9 | 101 at α=3.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe387-il | 500,000 | 5 | 93 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe387-il | 1,000,000 | 9 | 122.5 at α=4.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe387-il | 1,000,000 | 5 | 114.2 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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