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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(e748-il) EPPLER 748 AIRFOIL | Eppler E748 sailplane airfoil Max thickness 19.7% at 27.4% chord Max camber 4.6% at 54.9% 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 |
(e328-il) EPPLER 328 AIRFOIL | Eppler E328 flying wing airfoil Max thickness 13.3% at 31.5% chord Max camber 3% at 22.1% 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 |
(e338-il) EPPLER 338 AIRFOIL | Eppler E338 flying wing airfoil Max thickness 13.3% at 31.1% chord Max camber 3.7% at 26.2% chord | Remove Airfoil details Airfoil plotter |
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Polars for (e748-il,e636-il,e328-il,e664-il,e338-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| e748-il | 50,000 | 9 | 12.4 at α=-2.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e748-il | 50,000 | 5 | 21.5 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e748-il | 100,000 | 9 | 31.4 at α=5.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e748-il | 100,000 | 5 | 46.2 at α=7.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e748-il | 200,000 | 9 | 63.8 at α=10.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e748-il | 200,000 | 5 | 66.9 at α=7.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e748-il | 500,000 | 9 | 94.2 at α=8° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e748-il | 500,000 | 5 | 93.4 at α=7.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e748-il | 1,000,000 | 9 | 120.1 at α=8.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e748-il | 1,000,000 | 5 | 116.8 at α=7.25° | 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 | |
| e328-il | 50,000 | 9 | 17.6 at α=1° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e328-il | 50,000 | 5 | 27.5 at α=5.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e328-il | 100,000 | 9 | 37.7 at α=12.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e328-il | 100,000 | 5 | 46.6 at α=7.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e328-il | 200,000 | 9 | 63.5 at α=9.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e328-il | 200,000 | 5 | 63.6 at α=9.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e328-il | 500,000 | 9 | 88.9 at α=9.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e328-il | 500,000 | 5 | 86.7 at α=8.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e328-il | 1,000,000 | 9 | 111.1 at α=9° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e328-il | 1,000,000 | 5 | 105.1 at α=8.25° | 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 | |
| e338-il | 50,000 | 9 | 15.8 at α=0.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e338-il | 50,000 | 5 | 26.2 at α=4.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e338-il | 100,000 | 9 | 33.8 at α=4° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e338-il | 100,000 | 5 | 45.9 at α=6.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e338-il | 200,000 | 9 | 63.3 at α=9.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e338-il | 200,000 | 5 | 67.8 at α=8.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e338-il | 500,000 | 9 | 97.4 at α=9.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e338-il | 500,000 | 5 | 88.6 at α=9.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e338-il | 1,000,000 | 9 | 114 at α=9.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e338-il | 1,000,000 | 5 | 108.2 at α=8° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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