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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(e582-il) EPPLER 582 AIRFOIL | Eppler E582 sailplane airfoil Max thickness 14.7% at 37.8% chord Max camber 4.2% at 43.1% chord | Remove Airfoil details Airfoil plotter |
(e558-il) EPPLER 558 AIRFOIL | Eppler E558 general aviation airfoil Max thickness 16% at 26.4% chord Max camber 3.8% at 49.3% chord | Remove Airfoil details Airfoil plotter |
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Polars for (e582-il,e558-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| e582-il | 50,000 | 9 | 7.9 at α=10.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e582-il | 50,000 | 5 | 20.7 at α=11.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e582-il | 100,000 | 9 | 47.9 at α=9.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e582-il | 100,000 | 5 | 45.4 at α=7.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e582-il | 200,000 | 9 | 78 at α=8.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e582-il | 200,000 | 5 | 75 at α=7° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e582-il | 500,000 | 9 | 112 at α=6.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e582-il | 500,000 | 5 | 106.9 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e582-il | 1,000,000 | 9 | 140.4 at α=5.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e582-il | 1,000,000 | 5 | 128.2 at α=4.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e558-il | 50,000 | 9 | 9.5 at α=3.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e558-il | 50,000 | 5 | 29.7 at α=5.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e558-il | 100,000 | 9 | 41.2 at α=5.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e558-il | 100,000 | 5 | 50.9 at α=7.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e558-il | 200,000 | 9 | 67.7 at α=8.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e558-il | 200,000 | 5 | 70.9 at α=7.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e558-il | 500,000 | 9 | 100.1 at α=8.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e558-il | 500,000 | 5 | 99.1 at α=7.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e558-il | 1,000,000 | 9 | 127 at α=7.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e558-il | 1,000,000 | 5 | 120.5 at α=8° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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