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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(goe424-il) GOE 424 AIRFOIL | Gottingen 424 airfoil Max thickness 19.9% at 38.5% chord Max camber 4.8% at 38.5% chord | Remove Airfoil details Airfoil plotter |
(e329-il) EPPLER 329 AIRFOIL | Eppler E329 flying wing airfoil Max thickness 13.5% at 30.6% chord Max camber 3.5% at 25.7% chord | Remove Airfoil details Airfoil plotter |
(e420-il) EPPLER 420 AIRFOIL | Eppler E420 high lift airfoil Max thickness 14.3% at 22.8% chord Max camber 10.6% at 40.5% chord | Remove Airfoil details Airfoil plotter |
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Polars for (goe424-il,e329-il,e420-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| goe424-il | 50,000 | 9 | 3.6 at α=9.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe424-il | 50,000 | 5 | 16.2 at α=1.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe424-il | 100,000 | 9 | 22.4 at α=2° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe424-il | 100,000 | 5 | 37.4 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe424-il | 200,000 | 9 | 59 at α=10° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe424-il | 200,000 | 5 | 63.3 at α=7.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe424-il | 500,000 | 9 | 96.4 at α=8.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe424-il | 500,000 | 5 | 93.8 at α=7.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe424-il | 1,000,000 | 9 | 124.2 at α=7.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe424-il | 1,000,000 | 5 | 117.5 at α=6.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e329-il | 50,000 | 9 | 17.3 at α=0.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e329-il | 50,000 | 5 | 27.6 at α=4.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e329-il | 100,000 | 9 | 37 at α=4.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e329-il | 100,000 | 5 | 47.1 at α=7° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e329-il | 200,000 | 9 | 63.8 at α=8.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e329-il | 200,000 | 5 | 66.6 at α=9.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e329-il | 500,000 | 9 | 94.7 at α=10° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e329-il | 500,000 | 5 | 91.1 at α=8.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e329-il | 1,000,000 | 9 | 116.9 at α=9° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e329-il | 1,000,000 | 5 | 110.8 at α=7.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e420-il | 50,000 | 9 | 5.3 at α=8.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e420-il | 50,000 | 5 | 13.3 at α=0.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e420-il | 100,000 | 9 | 20 at α=0.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e420-il | 100,000 | 5 | 47.8 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e420-il | 200,000 | 9 | 63.3 at α=4.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e420-il | 200,000 | 5 | 75.6 at α=5.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e420-il | 500,000 | 9 | 107.4 at α=5.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e420-il | 500,000 | 5 | 106.1 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e420-il | 1,000,000 | 9 | 137.4 at α=5.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e420-il | 1,000,000 | 5 | 134.1 at α=6.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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