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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(naca664221-il) NACA 66(4)-221 | NACA 66(4)-221 airfoil Max thickness 21% at 45% chord Max camber 1.1% at 50% chord | Remove Airfoil details Airfoil plotter |
(naca663418-il) NACA 66(3)-418 | NACA 66(3)-418 airfoil Max thickness 18% at 44.9% chord Max camber 2.2% at 50% chord | Remove Airfoil details Airfoil plotter |
(ys915-il) YS-915 | YS915 hydrofoil (Shen / Eppler) Max thickness 9.1% at 36.1% chord Max camber 1.8% at 65.6% chord | Remove Airfoil details Airfoil plotter |
(naca661212-il) NACA 66(1)-212 | NACA 66(1)-212 airfoil Max thickness 12% at 45% chord Max camber 1.1% at 50% chord | Remove Airfoil details Airfoil plotter |
(usa49-il) USA 49 AIRFOIL | USA-49 airfoil Max thickness 7.3% at 30% chord Max camber 1.7% at 30% chord | Remove Airfoil details Airfoil plotter |
(n66021-il) NACA 66-021 AIRFOIL | NACA 66(4)-021 airfoil Max thickness 21% at 45% chord Max camber 0% at 0% chord | Remove Airfoil details Airfoil plotter |
(naca001065-il) NACA 0010-65 | NACA 0010-65 airfoil Max thickness 10% at 50% chord Max camber 0% at 0% chord | Remove Airfoil details Airfoil plotter |
(goe441-il) GOE 441 AIRFOIL | Gottingen 441 airfoil Max thickness 16% at 29.5% chord Max camber 7.7% at 39.5% chord | Remove Airfoil details Airfoil plotter |
(goe167-il) GOE 167 (V.KARMAN PROP.2) AIRFOIL | Gottingen 167 (V.Karman PROP.2) airfoil Max thickness 10.1% at 29.9% chord Max camber 4.5% at 29.9% chord | Remove Airfoil details Airfoil plotter |
(fx71l150-il) FX 71-L-150/30 AIRFOIL | Wortmann FX 71-L-150/30 airfoil Max thickness 15% at 33.9% chord Max camber 0% at 0% chord | Remove Airfoil details Airfoil plotter |
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Polars for (naca664221-il,naca663418-il,ys915-il,naca661212-il,usa49-il,n66021-il,naca001065-il,goe441-il,goe167-il,fx71l150-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| naca664221-il | 50,000 | 9 | 16.5 at α=12.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca664221-il | 50,000 | 5 | 12.2 at α=11.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca664221-il | 100,000 | 9 | 19.1 at α=10.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca664221-il | 100,000 | 5 | 18.1 at α=10° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca664221-il | 200,000 | 9 | 29.6 at α=9.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca664221-il | 200,000 | 5 | 30.5 at α=8° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca664221-il | 500,000 | 9 | 68.6 at α=6.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca664221-il | 500,000 | 5 | 69.1 at α=5.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca664221-il | 1,000,000 | 9 | 100.8 at α=5.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca664221-il | 1,000,000 | 5 | 91.7 at α=4.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca663418-il | 50,000 | 9 | 18.8 at α=12° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca663418-il | 50,000 | 5 | 16.8 at α=10.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca663418-il | 100,000 | 9 | 27 at α=9.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca663418-il | 100,000 | 5 | 25.1 at α=9.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca663418-il | 200,000 | 9 | 42.7 at α=8.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca663418-il | 200,000 | 5 | 44.9 at α=7.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca663418-il | 500,000 | 9 | 91.5 at α=6° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca663418-il | 500,000 | 5 | 89.9 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca663418-il | 1,000,000 | 9 | 124 at α=5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca663418-il | 1,000,000 | 5 | 114.6 at α=4° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ys915-il | 50,000 | 9 | 20.4 at α=5.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ys915-il | 50,000 | 5 | 21.9 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ys915-il | 100,000 | 9 | 29.4 at α=4.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ys915-il | 100,000 | 5 | 34 at α=3.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ys915-il | 200,000 | 9 | 54 at α=3.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ys915-il | 200,000 | 5 | 51.6 at α=2.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ys915-il | 500,000 | 9 | 91.9 at α=2.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ys915-il | 500,000 | 5 | 73.7 at α=2° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ys915-il | 1,000,000 | 9 | 109.2 at α=2° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ys915-il | 1,000,000 | 5 | 79.1 at α=1.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca661212-il | 50,000 | 9 | 22 at α=6.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca661212-il | 50,000 | 5 | 22.3 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca661212-il | 100,000 | 9 | 37.6 at α=4.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca661212-il | 100,000 | 5 | 32.7 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca661212-il | 200,000 | 9 | 47.6 at α=4.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca661212-il | 200,000 | 5 | 46.8 at α=3.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca661212-il | 500,000 | 9 | 71.1 at α=3.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca661212-il | 500,000 | 5 | 62.8 at α=2.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca661212-il | 1,000,000 | 9 | 86 at α=2.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca661212-il | 1,000,000 | 5 | 70.5 at α=2° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| usa49-il | 50,000 | 9 | 33.1 at α=5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| usa49-il | 50,000 | 5 | 33.6 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| usa49-il | 100,000 | 9 | 43.9 at α=4.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| usa49-il | 100,000 | 5 | 42.1 at α=4° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| usa49-il | 200,000 | 9 | 52.1 at α=3.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| usa49-il | 200,000 | 5 | 48.5 at α=7° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| usa49-il | 500,000 | 9 | 59.7 at α=7° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| usa49-il | 500,000 | 5 | 65.6 at α=6.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| usa49-il | 1,000,000 | 9 | 78 at α=6.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| usa49-il | 1,000,000 | 5 | 75.1 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| n66021-il | 50,000 | 9 | 18.6 at α=10.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| n66021-il | 50,000 | 5 | 11 at α=13.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| n66021-il | 100,000 | 9 | 23.8 at α=7.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| n66021-il | 100,000 | 5 | 15.4 at α=9.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| n66021-il | 200,000 | 9 | 25.5 at α=8.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| n66021-il | 200,000 | 5 | 26.5 at α=7.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| n66021-il | 500,000 | 9 | 57.7 at α=6.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| n66021-il | 500,000 | 5 | 54.1 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| n66021-il | 1,000,000 | 9 | 78.2 at α=5.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| n66021-il | 1,000,000 | 5 | 64.9 at α=4° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca001065-il | 50,000 | 9 | 20.4 at α=4.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca001065-il | 50,000 | 5 | 21.8 at α=3.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca001065-il | 100,000 | 9 | 27.1 at α=3° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca001065-il | 100,000 | 5 | 28.3 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca001065-il | 200,000 | 9 | 40.6 at α=2.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca001065-il | 200,000 | 5 | 35.7 at α=6.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca001065-il | 500,000 | 9 | 43.1 at α=6° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca001065-il | 500,000 | 5 | 50.7 at α=10° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca001065-il | 1,000,000 | 9 | 57.4 at α=11° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca001065-il | 1,000,000 | 5 | 65.3 at α=10° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe441-il | 50,000 | 9 | 6 at α=1.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe441-il | 50,000 | 5 | 31 at α=3.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe441-il | 100,000 | 9 | 45.6 at α=2.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe441-il | 100,000 | 5 | 52 at α=4° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe441-il | 200,000 | 9 | 67 at α=5.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe441-il | 200,000 | 5 | 72.5 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe441-il | 500,000 | 9 | 102 at α=6° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe441-il | 500,000 | 5 | 101.7 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe441-il | 1,000,000 | 9 | 132.4 at α=5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe441-il | 1,000,000 | 5 | 126.9 at α=7° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe167-il | 50,000 | 9 | 26.6 at α=10.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe167-il | 50,000 | 5 | 34 at α=8° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe167-il | 100,000 | 9 | 58 at α=8.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe167-il | 100,000 | 5 | 58.8 at α=7.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe167-il | 200,000 | 9 | 80.8 at α=7.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe167-il | 200,000 | 5 | 78.2 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe167-il | 500,000 | 9 | 106.9 at α=5.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe167-il | 500,000 | 5 | 97.9 at α=4.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe167-il | 1,000,000 | 9 | 124.3 at α=4.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe167-il | 1,000,000 | 5 | 108.6 at α=3.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx71l150-il | 50,000 | 9 | 27.3 at α=7° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx71l150-il | 50,000 | 5 | 26.9 at α=6.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx71l150-il | 100,000 | 9 | 39.5 at α=6.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx71l150-il | 100,000 | 5 | 35.2 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx71l150-il | 200,000 | 9 | 47.2 at α=6° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx71l150-il | 200,000 | 5 | 40.1 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx71l150-il | 500,000 | 9 | 51.8 at α=4.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx71l150-il | 500,000 | 5 | 49.1 at α=8° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx71l150-il | 1,000,000 | 9 | 59.2 at α=8° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx71l150-il | 1,000,000 | 5 | 58.3 at α=8° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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