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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(apex16-il) Apex 16 (normalized using XFOIL date021206) | Drela Apex 16 low Reynolds number transonic research airfoil Max thickness 12.9% at 38.6% chord Max camber 2.4% at 59.6% chord | Remove Airfoil details Airfoil plotter |
(e1212mod-il) EPPLER E1212MOD AIRFOIL | Eppler E1212 general aviation airfoil (as modified for use as Quickie wing airfoil) Max thickness 17.7% at 20.1% chord Max camber 2.6% at 35.1% chord | Remove Airfoil details Airfoil plotter |
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Polars for (apex16-il,e1212mod-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| apex16-il | 50,000 | 9 | 34 at α=8.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| apex16-il | 50,000 | 5 | 32.6 at α=8.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| apex16-il | 100,000 | 9 | 56.1 at α=7.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| apex16-il | 100,000 | 5 | 54.4 at α=6.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| apex16-il | 200,000 | 9 | 81.4 at α=6° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| apex16-il | 200,000 | 5 | 76.8 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| apex16-il | 500,000 | 9 | 112.6 at α=4.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| apex16-il | 500,000 | 5 | 92.3 at α=4.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| apex16-il | 1,000,000 | 9 | 123.6 at α=3.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| apex16-il | 1,000,000 | 5 | 99.4 at α=3.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e1212mod-il | 50,000 | 9 | 5.8 at α=3.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e1212mod-il | 50,000 | 5 | 20.8 at α=4.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e1212mod-il | 100,000 | 9 | 28 at α=5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e1212mod-il | 100,000 | 5 | 39.7 at α=8° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e1212mod-il | 200,000 | 9 | 51.6 at α=8.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e1212mod-il | 200,000 | 5 | 57.6 at α=9° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e1212mod-il | 500,000 | 9 | 81.8 at α=8.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e1212mod-il | 500,000 | 5 | 84.2 at α=9.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e1212mod-il | 1,000,000 | 9 | 108.4 at α=9.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e1212mod-il | 1,000,000 | 5 | 107.6 at α=10° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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