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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(e209-il) E209 (13.72%) | Eppler E209 low Reynolds number airfoil Max thickness 13.7% at 33.8% chord Max camber 1.6% at 48.1% chord | Remove Airfoil details Airfoil plotter |
(n5h15-il) NACA 5-H-15 AIRFOIL | NACA 5-H-15 rotorcraft airfoil Max thickness 15.4% at 40% chord Max camber 2.9% at 30% chord | Remove Airfoil details Airfoil plotter |
(goe113-il) GOE 113 AIRFOIL | Gottingen 113 airfoil Max thickness 6.7% at 30% chord Max camber 3% at 40% chord | Remove Airfoil details Airfoil plotter |
(e561-il) EPPLER 561 AIRFOIL | Eppler E561 general aviation airfoil Max thickness 16.9% at 27.9% chord Max camber 5.1% at 45.8% chord | Remove Airfoil details Airfoil plotter |
(fx66s171-il) FX 66-S-171 AIRFOIL | Wortmann FX 66-S-171 airfoil Max thickness 17.1% at 33.9% chord Max camber 3.9% at 43.5% chord | Remove Airfoil details Airfoil plotter |
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Polars for (e209-il,n5h15-il,goe113-il,e561-il,fx66s171-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| e209-il | 50,000 | 9 | 29.4 at α=10° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e209-il | 50,000 | 5 | 31.2 at α=8.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e209-il | 100,000 | 9 | 50.8 at α=8.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e209-il | 100,000 | 5 | 51.5 at α=7.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e209-il | 200,000 | 9 | 71.8 at α=8° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e209-il | 200,000 | 5 | 69.9 at α=7° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e209-il | 500,000 | 9 | 100.1 at α=6.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e209-il | 500,000 | 5 | 93 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e209-il | 1,000,000 | 9 | 121.6 at α=6° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e209-il | 1,000,000 | 5 | 103.7 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| n5h15-il | 50,000 | 9 | 14.2 at α=14.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| n5h15-il | 50,000 | 5 | 14.8 at α=2.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| n5h15-il | 100,000 | 9 | 30 at α=10.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| n5h15-il | 100,000 | 5 | 43.1 at α=8° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| n5h15-il | 200,000 | 9 | 70 at α=7.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| n5h15-il | 200,000 | 5 | 58.6 at α=7.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| n5h15-il | 500,000 | 9 | 78.2 at α=7.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| n5h15-il | 500,000 | 5 | 71.4 at α=7° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| n5h15-il | 1,000,000 | 9 | 92.8 at α=7.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| n5h15-il | 1,000,000 | 5 | 85.5 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe113-il | 50,000 | 9 | 37.7 at α=6.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe113-il | 50,000 | 5 | 40 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe113-il | 100,000 | 9 | 54.7 at α=5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe113-il | 100,000 | 5 | 54.3 at α=4.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe113-il | 200,000 | 9 | 70 at α=4.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe113-il | 200,000 | 5 | 66.8 at α=3.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe113-il | 500,000 | 9 | 86.8 at α=3.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe113-il | 500,000 | 5 | 78 at α=2.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe113-il | 1,000,000 | 9 | 97.1 at α=2.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe113-il | 1,000,000 | 5 | 83.3 at α=3.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e561-il | 50,000 | 9 | 5.6 at α=2.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e561-il | 50,000 | 5 | 26.9 at α=4.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e561-il | 100,000 | 9 | 39.8 at α=4.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e561-il | 100,000 | 5 | 52.2 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e561-il | 200,000 | 9 | 70 at α=7.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e561-il | 200,000 | 5 | 74.1 at α=6.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e561-il | 500,000 | 9 | 105 at α=7.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e561-il | 500,000 | 5 | 104.2 at α=7° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e561-il | 1,000,000 | 9 | 134.4 at α=7.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e561-il | 1,000,000 | 5 | 128.3 at α=8° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx66s171-il | 50,000 | 9 | 5 at α=9.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx66s171-il | 50,000 | 5 | 12.7 at α=3.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx66s171-il | 100,000 | 9 | 13.3 at α=1° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx66s171-il | 100,000 | 5 | 39.2 at α=5.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx66s171-il | 200,000 | 9 | 70.3 at α=10.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx66s171-il | 200,000 | 5 | 72.4 at α=9.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx66s171-il | 500,000 | 9 | 113.9 at α=9° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx66s171-il | 500,000 | 5 | 113.4 at α=8.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx66s171-il | 1,000,000 | 9 | 147.6 at α=8° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx66s171-il | 1,000,000 | 5 | 133.8 at α=7.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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