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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(e656-il) EPPLER 656 AIRFOIL | Eppler E656 sailplane airfoil Max thickness 16.2% at 37% chord Max camber 4.8% at 42.2% chord | Remove Airfoil details Airfoil plotter |
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Polars for (e656-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| e656-il | 50,000 | 9 | 5.7 at α=12° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e656-il | 50,000 | 5 | 14.6 at α=13.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e656-il | 100,000 | 9 | 34.7 at α=12.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e656-il | 100,000 | 5 | 29.8 at α=11.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e656-il | 200,000 | 9 | 69.1 at α=9° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e656-il | 200,000 | 5 | 70.6 at α=7.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e656-il | 500,000 | 9 | 125.4 at α=7.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e656-il | 500,000 | 5 | 118.9 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e656-il | 1,000,000 | 9 | 161.3 at α=6.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e656-il | 1,000,000 | 5 | 147.9 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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