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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(e422-il) EPPLER 422 AIRFOIL | Eppler E422 high lift airfoil Max thickness 14% at 24.1% chord Max camber 7.1% at 34.8% chord | Remove Airfoil details Airfoil plotter |
(e678-il) EPPLER 678 AIRFOIL | Eppler E678 sailplane airfoil Max thickness 15.1% at 39.8% chord Max camber 5.1% at 53.7% chord | Remove Airfoil details Airfoil plotter |
(e636-il) EPPLER 636 AIRFOIL | Eppler E636 airfoil Max thickness 11.9% at 26.9% chord Max camber 3.2% at 22.9% chord | Remove Airfoil details Airfoil plotter |
(e540-il) EPPLER 540 AIRFOIL | Eppler E540 general aviation airfoil Max thickness 16.9% at 45.5% chord Max camber 1.6% at 35.7% chord | Remove Airfoil details Airfoil plotter |
(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 |
(e543-il) EPPLER 543 AIRFOIL | Eppler E543 general aviation airfoil Max thickness 17.2% at 40.7% chord Max camber 1.9% at 31% chord | Remove Airfoil details Airfoil plotter |
(e502-il) EPPLER 502 AIRFOIL | Eppler E502 general purpose airfoil Max thickness 15.6% at 42.1% chord Max camber 1.5% at 32.3% chord | Remove Airfoil details Airfoil plotter |
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Polars for (e422-il,e678-il,e636-il,e540-il,e434-il,e543-il,e502-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| e422-il | 50,000 | 9 | 5.3 at α=7.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e422-il | 50,000 | 5 | 23.2 at α=2.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e422-il | 100,000 | 9 | 29.5 at α=2.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e422-il | 100,000 | 5 | 46.7 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e422-il | 200,000 | 9 | 60 at α=9.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e422-il | 200,000 | 5 | 72.8 at α=7.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e422-il | 500,000 | 9 | 105.8 at α=8.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e422-il | 500,000 | 5 | 109 at α=8.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e422-il | 1,000,000 | 9 | 140.9 at α=8.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e422-il | 1,000,000 | 5 | 139.8 at α=7.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e678-il | 50,000 | 9 | 22.4 at α=13.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e678-il | 50,000 | 5 | 20 at α=12.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e678-il | 100,000 | 9 | 41.5 at α=11° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e678-il | 100,000 | 5 | 45.7 at α=7.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e678-il | 200,000 | 9 | 79.3 at α=8° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e678-il | 200,000 | 5 | 78.1 at α=6.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e678-il | 500,000 | 9 | 116.8 at α=6.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e678-il | 500,000 | 5 | 109.6 at α=5.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e678-il | 1,000,000 | 9 | 141.1 at α=5.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e678-il | 1,000,000 | 5 | 130.7 at α=4.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e636-il | 50,000 | 9 | 14.7 at α=1.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e636-il | 50,000 | 5 | 24.6 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e636-il | 100,000 | 9 | 33 at α=13° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e636-il | 100,000 | 5 | 44 at α=8.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e636-il | 200,000 | 9 | 61.7 at α=10.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e636-il | 200,000 | 5 | 65.8 at α=9° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e636-il | 500,000 | 9 | 95.6 at α=9.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e636-il | 500,000 | 5 | 94.8 at α=8.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e636-il | 1,000,000 | 9 | 120.7 at α=8.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e636-il | 1,000,000 | 5 | 108.3 at α=8.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e540-il | 50,000 | 9 | 24.3 at α=10.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e540-il | 50,000 | 5 | 20.1 at α=10.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e540-il | 100,000 | 9 | 38.3 at α=9° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e540-il | 100,000 | 5 | 33.4 at α=8.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e540-il | 200,000 | 9 | 54 at α=8° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e540-il | 200,000 | 5 | 57 at α=6.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e540-il | 500,000 | 9 | 85.3 at α=6.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e540-il | 500,000 | 5 | 82.5 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e540-il | 1,000,000 | 9 | 110 at α=5.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e540-il | 1,000,000 | 5 | 97.5 at α=4° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| 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 | |
| e543-il | 50,000 | 9 | 21.3 at α=12.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e543-il | 50,000 | 5 | 17.9 at α=11.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e543-il | 100,000 | 9 | 42.3 at α=9° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e543-il | 100,000 | 5 | 35.3 at α=8.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e543-il | 200,000 | 9 | 56.6 at α=8.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e543-il | 200,000 | 5 | 58.6 at α=7.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e543-il | 500,000 | 9 | 86.2 at α=7.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e543-il | 500,000 | 5 | 82.7 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e543-il | 1,000,000 | 9 | 108.4 at α=6.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e543-il | 1,000,000 | 5 | 98.1 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e502-il | 50,000 | 9 | 24.6 at α=10° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e502-il | 50,000 | 5 | 21 at α=9.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e502-il | 100,000 | 9 | 45.6 at α=8° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e502-il | 100,000 | 5 | 36.2 at α=8.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e502-il | 200,000 | 9 | 58.8 at α=8° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e502-il | 200,000 | 5 | 58 at α=7° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e502-il | 500,000 | 9 | 88 at α=6.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e502-il | 500,000 | 5 | 80 at α=5.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e502-il | 1,000,000 | 9 | 106.7 at α=5.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e502-il | 1,000,000 | 5 | 90.6 at α=4.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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