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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(e325-il) EPPLER 325 AIRFOIL | Eppler E325 flying wing airfoil Max thickness 12.6% at 34.3% chord Max camber 1.8% at 16.3% chord | Remove Airfoil details Airfoil plotter |
(e642-il) EPPLER 642 AIRFOIL | Eppler E642 sailplane airfoil Max thickness 15.1% at 39.4% chord Max camber 3% at 39.4% 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 |
(e585-il) EPPLER 585 AIRFOIL | Eppler E585 sailplane airfoil Max thickness 14.6% at 37.6% chord Max camber 4.2% at 42.8% chord | Remove Airfoil details Airfoil plotter |
(e197-il) E197 (13.49%) | Eppler E197 low Reynolds number airfoil Max thickness 13.5% at 34.6% chord Max camber 2.8% at 43.7% chord | Remove Airfoil details Airfoil plotter |
(e664-il) EPPLER 664 AIRFOIL | Eppler E664 variable geometry sailplane airfoil Max thickness 16.6% at 45.6% chord Max camber 2.6% at 40.7% chord | Remove Airfoil details Airfoil plotter |
(e201-il) E201 (11.88%) | Eppler E201 low Reynolds number airfoil Max thickness 11.9% at 30.8% chord Max camber 2.6% at 49.4% chord | Remove Airfoil details Airfoil plotter |
(e662-il) EPPLER E662 AIRFOIL | Eppler E662 sailplane airfoil Max thickness 15% at 42.8% chord Max camber 4.1% at 47.5% chord | Remove Airfoil details Airfoil plotter |
(e224-il) E224 (10.17%) | Eppler E224 low Reynolds number airfoil Max thickness 10.2% at 29.8% chord Max camber 1.5% at 54.2% chord | Remove Airfoil details Airfoil plotter |
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Polars for (e325-il,e642-il,e636-il,e585-il,e197-il,e664-il,e201-il,e662-il,e224-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| e325-il | 50,000 | 9 | 17.2 at α=2.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e325-il | 50,000 | 5 | 26.5 at α=7° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e325-il | 100,000 | 9 | 39.2 at α=9.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e325-il | 100,000 | 5 | 42.6 at α=9.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e325-il | 200,000 | 9 | 58.3 at α=9° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e325-il | 200,000 | 5 | 51.1 at α=9.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e325-il | 500,000 | 9 | 69.6 at α=9.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e325-il | 500,000 | 5 | 69.2 at α=8.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e325-il | 1,000,000 | 9 | 88.2 at α=9° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e325-il | 1,000,000 | 5 | 82.6 at α=8.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e642-il | 50,000 | 9 | 21.9 at α=12.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e642-il | 50,000 | 5 | 19.2 at α=12.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e642-il | 100,000 | 9 | 43.7 at α=10.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e642-il | 100,000 | 5 | 43 at α=6.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e642-il | 200,000 | 9 | 77.1 at α=8° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e642-il | 200,000 | 5 | 65.4 at α=7.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e642-il | 500,000 | 9 | 98.2 at α=7.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e642-il | 500,000 | 5 | 92.6 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e642-il | 1,000,000 | 9 | 121.4 at α=6° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e642-il | 1,000,000 | 5 | 109.7 at α=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 | |
| e585-il | 50,000 | 9 | 8 at α=9.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e585-il | 50,000 | 5 | 21.2 at α=12° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e585-il | 100,000 | 9 | 50.3 at α=9.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e585-il | 100,000 | 5 | 47.7 at α=8.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e585-il | 200,000 | 9 | 81.4 at α=8° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e585-il | 200,000 | 5 | 78.6 at α=6.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e585-il | 500,000 | 9 | 118 at α=6.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e585-il | 500,000 | 5 | 110.5 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e585-il | 1,000,000 | 9 | 146.1 at α=5.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e585-il | 1,000,000 | 5 | 131.3 at α=4.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e197-il | 50,000 | 9 | 29 at α=10.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e197-il | 50,000 | 5 | 25.9 at α=9.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e197-il | 100,000 | 9 | 52.5 at α=9° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e197-il | 100,000 | 5 | 53.2 at α=7.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e197-il | 200,000 | 9 | 77.6 at α=8° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e197-il | 200,000 | 5 | 75.9 at α=7° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e197-il | 500,000 | 9 | 110.7 at α=6.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e197-il | 500,000 | 5 | 103.1 at α=5.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e197-il | 1,000,000 | 9 | 135.9 at α=5.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e197-il | 1,000,000 | 5 | 119.9 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e664-il | 50,000 | 9 | 19.3 at α=12° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e664-il | 50,000 | 5 | 19.7 at α=12° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e664-il | 100,000 | 9 | 39.9 at α=10° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e664-il | 100,000 | 5 | 33.2 at α=9.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e664-il | 200,000 | 9 | 57.6 at α=8.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e664-il | 200,000 | 5 | 58.3 at α=7.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e664-il | 500,000 | 9 | 90.8 at α=6.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e664-il | 500,000 | 5 | 90.9 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e664-il | 1,000,000 | 9 | 120.9 at α=5.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e664-il | 1,000,000 | 5 | 111.2 at α=3.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e201-il | 50,000 | 9 | 34 at α=9.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e201-il | 50,000 | 5 | 33.9 at α=8.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e201-il | 100,000 | 9 | 56.7 at α=8.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e201-il | 100,000 | 5 | 57 at α=7.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e201-il | 200,000 | 9 | 80.4 at α=7.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e201-il | 200,000 | 5 | 78.2 at α=6.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e201-il | 500,000 | 9 | 112 at α=6° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e201-il | 500,000 | 5 | 104.6 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e201-il | 1,000,000 | 9 | 135.9 at α=5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e201-il | 1,000,000 | 5 | 122.5 at α=4.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e662-il | 50,000 | 9 | 27.6 at α=12° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e662-il | 50,000 | 5 | 23.4 at α=11° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e662-il | 100,000 | 9 | 46.6 at α=9.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e662-il | 100,000 | 5 | 40.9 at α=9° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e662-il | 200,000 | 9 | 71.4 at α=8° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e662-il | 200,000 | 5 | 66.9 at α=6.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e662-il | 500,000 | 9 | 114.3 at α=5.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e662-il | 500,000 | 5 | 111.1 at α=4° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e662-il | 1,000,000 | 9 | 152 at α=4.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e662-il | 1,000,000 | 5 | 138.7 at α=2.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e224-il | 50,000 | 9 | 33.7 at α=6.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e224-il | 50,000 | 5 | 35.8 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e224-il | 100,000 | 9 | 51.2 at α=5.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e224-il | 100,000 | 5 | 50.2 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e224-il | 200,000 | 9 | 68.2 at α=5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e224-il | 200,000 | 5 | 63.4 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e224-il | 500,000 | 9 | 89.2 at α=4.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e224-il | 500,000 | 5 | 79.1 at α=4° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e224-il | 1,000,000 | 9 | 102.9 at α=3.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e224-il | 1,000,000 | 5 | 88.9 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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