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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(e434-il) EPPLER 434 AIRFOIL | Eppler E434 sailplane airfoil Max thickness 13.3% at 38.6% chord Max camber 4.3% at 38.6% chord | Remove Airfoil details Airfoil plotter |
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Polars for (e434-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| e434-il | 50,000 | 9 | 8.6 at α=13.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e434-il | 50,000 | 5 | 23.5 at α=11.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e434-il | 100,000 | 9 | 52.1 at α=9.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e434-il | 100,000 | 5 | 50.7 at α=8° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e434-il | 200,000 | 9 | 82 at α=7.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e434-il | 200,000 | 5 | 80.8 at α=6.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e434-il | 500,000 | 9 | 122 at α=6.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e434-il | 500,000 | 5 | 109.2 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e434-il | 1,000,000 | 9 | 145.1 at α=5.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e434-il | 1,000,000 | 5 | 128.9 at α=4.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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