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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(e339-il) EPPLER 339 AIRFOIL | Eppler E339 flying wing airfoil Max thickness 13.5% at 30.1% chord Max camber 4.1% at 25.2% chord | Remove Airfoil details Airfoil plotter |
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Polars for (e339-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| e339-il | 50,000 | 9 | 15.7 at α=-0.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e339-il | 50,000 | 5 | 26.1 at α=3.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e339-il | 100,000 | 9 | 34.2 at α=3.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e339-il | 100,000 | 5 | 46.4 at α=7° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e339-il | 200,000 | 9 | 62.1 at α=9° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e339-il | 200,000 | 5 | 68.3 at α=8° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e339-il | 500,000 | 9 | 98.9 at α=9° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e339-il | 500,000 | 5 | 93.9 at α=9.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e339-il | 1,000,000 | 9 | 120.7 at α=10° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e339-il | 1,000,000 | 5 | 116.6 at α=8.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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