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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(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 |
(sd2030-il) SD2030-086-88 | Selig/Donovan SD2030 low Reynolds number airfoil Max thickness 8.6% at 35.5% chord Max camber 2.2% at 45.3% chord | Remove Airfoil details Airfoil plotter |
(e339-il) EPPLER 339 AIRFOIL | Eppler E339 flying wing airfoil Max thickness 13.5% at 30.1% chord Max camber 4.1% at 25.2% chord | Remove Airfoil details Airfoil plotter |
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Polars for (e662-il,e224-il,sd2030-il,e339-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| 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 | |
| sd2030-il | 50,000 | 9 | 37.6 at α=5.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sd2030-il | 50,000 | 5 | 37.1 at α=5.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sd2030-il | 100,000 | 9 | 56.3 at α=5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sd2030-il | 100,000 | 5 | 52.8 at α=4.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sd2030-il | 200,000 | 9 | 77.3 at α=4.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sd2030-il | 200,000 | 5 | 68.9 at α=3.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sd2030-il | 500,000 | 9 | 104.8 at α=2.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sd2030-il | 500,000 | 5 | 81 at α=2.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sd2030-il | 1,000,000 | 9 | 112.4 at α=2.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sd2030-il | 1,000,000 | 5 | 87.3 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e339-il | 50,000 | 9 | 15.7 at α=-0.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e339-il | 50,000 | 5 | 26.1 at α=3.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e339-il | 100,000 | 9 | 34.2 at α=3.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e339-il | 100,000 | 5 | 46.4 at α=7° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e339-il | 200,000 | 9 | 62.1 at α=9° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e339-il | 200,000 | 5 | 68.3 at α=8° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e339-il | 500,000 | 9 | 98.9 at α=9° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e339-il | 500,000 | 5 | 93.9 at α=9.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e339-il | 1,000,000 | 9 | 120.7 at α=10° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e339-il | 1,000,000 | 5 | 116.6 at α=8.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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