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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(goe420-il) GOE 420 AIRFOIL | Gottingen 420 airfoil Max thickness 18.8% at 30% chord Max camber 4.3% at 50% chord | Remove Airfoil details Airfoil plotter |
(goe575-il) GOE 575 AIRFOIL | Gottingen 575 airfoil Max thickness 13.3% at 29.8% chord Max camber 3.6% at 39.8% chord | Remove Airfoil details Airfoil plotter |
(fx74080-il) WORTMANN FX 74-080 | Wortmann FX 74-080 airfoil Max thickness 8.2% at 43.5% chord Max camber 4.3% at 46.7% chord | Remove Airfoil details Airfoil plotter |
(goe389-il) GOE 389 AIRFOIL | Gottingen 389 airfoil Max thickness 10.3% at 29.8% chord Max camber 4% at 39.8% chord | Remove Airfoil details Airfoil plotter |
(s803-nr) NREL's S803 Airfoil | NREL HAWT airfoil S803 tip Not recommended Max thickness 11.5% at 37.5% chord Max camber 3.7% at 46.9% chord | Remove Airfoil details Airfoil plotter |
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Polars for (goe420-il,goe575-il,fx74080-il,goe389-il,s803-nr)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| goe420-il | 50,000 | 9 | 4 at α=10.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe420-il | 50,000 | 5 | 13.4 at α=3.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe420-il | 100,000 | 9 | 32.7 at α=11.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe420-il | 100,000 | 5 | 44.5 at α=7° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe420-il | 200,000 | 9 | 66.7 at α=6.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe420-il | 200,000 | 5 | 62.7 at α=6.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe420-il | 500,000 | 9 | 89.9 at α=6° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe420-il | 500,000 | 5 | 83.5 at α=6.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe420-il | 1,000,000 | 9 | 111.3 at α=6° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe420-il | 1,000,000 | 5 | 102.2 at α=7° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe575-il | 50,000 | 9 | 31.6 at α=5.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe575-il | 50,000 | 5 | 32.5 at α=6.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe575-il | 100,000 | 9 | 47.6 at α=5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe575-il | 100,000 | 5 | 44.6 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe575-il | 200,000 | 9 | 57.6 at α=5.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe575-il | 200,000 | 5 | 55.1 at α=6.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe575-il | 500,000 | 9 | 74.1 at α=6.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe575-il | 500,000 | 5 | 70.4 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe575-il | 1,000,000 | 9 | 88.3 at α=6.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe575-il | 1,000,000 | 5 | 75.4 at α=8° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx74080-il | 50,000 | 9 | 24.7 at α=7.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx74080-il | 50,000 | 5 | 27.1 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx74080-il | 100,000 | 9 | 39.7 at α=5.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx74080-il | 100,000 | 5 | 58 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx74080-il | 200,000 | 9 | 80.3 at α=4° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx74080-il | 200,000 | 5 | 87 at α=4° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx74080-il | 500,000 | 9 | 134.4 at α=3.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx74080-il | 500,000 | 5 | 131.5 at α=3.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx74080-il | 1,000,000 | 9 | 173.9 at α=3° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx74080-il | 1,000,000 | 5 | 164.5 at α=2.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe389-il | 50,000 | 9 | 32.7 at α=10.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe389-il | 50,000 | 5 | 37.6 at α=7.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe389-il | 100,000 | 9 | 55 at α=9° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe389-il | 100,000 | 5 | 56.2 at α=7.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe389-il | 200,000 | 9 | 75.1 at α=7.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe389-il | 200,000 | 5 | 73.4 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe389-il | 500,000 | 9 | 101.4 at α=6° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe389-il | 500,000 | 5 | 94.6 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe389-il | 1,000,000 | 9 | 119.7 at α=5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe389-il | 1,000,000 | 5 | 108.1 at α=3.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s803-nr | 50,000 | 9 | 38.6 at α=8.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s803-nr | 50,000 | 5 | 37.1 at α=8° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s803-nr | 100,000 | 9 | 63.1 at α=7.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s803-nr | 100,000 | 5 | 63 at α=6.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s803-nr | 200,000 | 9 | 89.5 at α=6.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s803-nr | 200,000 | 5 | 83.8 at α=5.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s803-nr | 500,000 | 9 | 118.4 at α=5.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s803-nr | 500,000 | 5 | 108.1 at α=4.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s803-nr | 1,000,000 | 9 | 140.3 at α=4.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s803-nr | 1,000,000 | 5 | 124 at α=3° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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