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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(naca23021-il) NACA 23021 | NACA 23021 airfoil Max thickness 21% at 30% chord Max camber 1.9% at 10% chord | Remove Airfoil details Airfoil plotter |
(goe308-il) GOE 308 (MVA H.40) AIRFOIL | Gottingen 308 (MVA H.40) airfoil Max thickness 8.1% at 29.9% chord Max camber 5% at 29.9% chord | Remove Airfoil details Airfoil plotter |
(goe364-il) GOE 364 AIRFOIL | Gottingen 364 airfoil Max thickness 10.8% at 30% chord Max camber 6.5% 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 |
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Polars for (naca23021-il,goe308-il,goe364-il,n66021-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| naca23021-il | 50,000 | 9 | 18.6 at α=2.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca23021-il | 50,000 | 5 | 24.8 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca23021-il | 100,000 | 9 | 37 at α=6.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca23021-il | 100,000 | 5 | 35.7 at α=7.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca23021-il | 200,000 | 9 | 49.1 at α=7.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca23021-il | 200,000 | 5 | 42.7 at α=8.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca23021-il | 500,000 | 9 | 56.4 at α=7.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca23021-il | 500,000 | 5 | 50.5 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca23021-il | 1,000,000 | 9 | 64.3 at α=5.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca23021-il | 1,000,000 | 5 | 55.8 at α=7.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe308-il | 50,000 | 9 | 32.2 at α=10.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe308-il | 50,000 | 5 | 37.9 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe308-il | 100,000 | 9 | 54.3 at α=8.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe308-il | 100,000 | 5 | 55.7 at α=6.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe308-il | 200,000 | 9 | 74.2 at α=7.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe308-il | 200,000 | 5 | 74.3 at α=6.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe308-il | 500,000 | 9 | 103 at α=6.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe308-il | 500,000 | 5 | 100.1 at α=5.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe308-il | 1,000,000 | 9 | 126.3 at α=5.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe308-il | 1,000,000 | 5 | 115.1 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe364-il | 50,000 | 9 | 13.5 at α=4.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe364-il | 50,000 | 5 | 34.8 at α=7.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe364-il | 100,000 | 9 | 52.5 at α=5.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe364-il | 100,000 | 5 | 57 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe364-il | 200,000 | 9 | 76.4 at α=5.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe364-il | 200,000 | 5 | 76.6 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe364-il | 500,000 | 9 | 107.8 at α=6.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe364-il | 500,000 | 5 | 104 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe364-il | 1,000,000 | 9 | 133.4 at α=5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe364-il | 1,000,000 | 5 | 124.5 at α=4.25° | 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 | |
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