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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(s4096-il) S4096 (designed for the E-flite UMX ASK-21 scale RC sailplane) | Selig airfoil for micro RC soaring. Used on the E-flite UMX ASK-21 scale RC sailplane. Max thickness 12.5% at 34% chord Max camber 1.2% at 34% chord | Remove Airfoil details Airfoil plotter |
(fx74cl5140-il) FX74_CL5_140 | Wortmann FX 74-CL5-140 high lift airfoil Max thickness 14% at 30.9% chord Max camber 9.9% at 37.1% chord | Remove Airfoil details Airfoil plotter |
(goe481a-il) GOE 481A AIRFOIL | Gottingen 481A airfoil Max thickness 15.3% at 29.4% chord Max camber 5.5% at 39.4% chord | Remove Airfoil details Airfoil plotter |
(e396-il) EPPLER 396 AIRFOIL | Eppler E396 human powered aircraft airfoil Max thickness 13.1% at 29.5% chord Max camber 5.4% at 52.1% chord | Remove Airfoil details Airfoil plotter |
(e168-il) E168 (12.45%) | Eppler E168 low Reynolds number airfoil Max thickness 12.4% at 26.7% chord Max camber 0% at 0% chord | Remove Airfoil details Airfoil plotter |
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Polars for (s4096-il,fx74cl5140-il,goe481a-il,e396-il,e168-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| s4096-il | 50,000 | 9 | 27.7 at α=7.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s4096-il | 50,000 | 5 | 31.3 at α=7.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s4096-il | 100,000 | 9 | 39.6 at α=7.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s4096-il | 100,000 | 5 | 40.5 at α=7.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s4096-il | 200,000 | 9 | 49 at α=7.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s4096-il | 200,000 | 5 | 48.3 at α=7.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s4096-il | 500,000 | 9 | 59.1 at α=8° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s4096-il | 500,000 | 5 | 57.2 at α=8.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s4096-il | 1,000,000 | 9 | 65.6 at α=9° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s4096-il | 1,000,000 | 5 | 63.1 at α=9.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx74cl5140-il | 50,000 | 9 | 6.4 at α=5.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx74cl5140-il | 50,000 | 5 | 18.3 at α=1° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx74cl5140-il | 100,000 | 9 | 33.1 at α=0.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx74cl5140-il | 100,000 | 5 | 46.8 at α=2.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx74cl5140-il | 200,000 | 9 | 72.7 at α=10° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx74cl5140-il | 200,000 | 5 | 73.8 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx74cl5140-il | 500,000 | 9 | 118.8 at α=9° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx74cl5140-il | 500,000 | 5 | 115.5 at α=6.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx74cl5140-il | 1,000,000 | 9 | 156.9 at α=8.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx74cl5140-il | 1,000,000 | 5 | 149.7 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe481a-il | 50,000 | 9 | 6.5 at α=5.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe481a-il | 50,000 | 5 | 27.9 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe481a-il | 100,000 | 9 | 47.3 at α=4.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe481a-il | 100,000 | 5 | 46.3 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe481a-il | 200,000 | 9 | 63.8 at α=6.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe481a-il | 200,000 | 5 | 59 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe481a-il | 500,000 | 9 | 80.2 at α=5.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe481a-il | 500,000 | 5 | 74.1 at α=6.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe481a-il | 1,000,000 | 9 | 95.8 at α=6° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe481a-il | 1,000,000 | 5 | 81.3 at α=8° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e396-il | 50,000 | 9 | 25.6 at α=12° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e396-il | 50,000 | 5 | 22.7 at α=11.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e396-il | 100,000 | 9 | 54.7 at α=9° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e396-il | 100,000 | 5 | 57.7 at α=7.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e396-il | 200,000 | 9 | 89.3 at α=7.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e396-il | 200,000 | 5 | 90.3 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e396-il | 500,000 | 9 | 135.1 at α=5.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e396-il | 500,000 | 5 | 128.1 at α=4.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e396-il | 1,000,000 | 9 | 169.3 at α=4.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e396-il | 1,000,000 | 5 | 148 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e168-il | 50,000 | 9 | 22.6 at α=8° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e168-il | 50,000 | 5 | 28 at α=7.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e168-il | 100,000 | 9 | 38.4 at α=7.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e168-il | 100,000 | 5 | 40.5 at α=7.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e168-il | 200,000 | 9 | 53.6 at α=7.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e168-il | 200,000 | 5 | 52.8 at α=6.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e168-il | 500,000 | 9 | 73 at α=6.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e168-il | 500,000 | 5 | 67.9 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e168-il | 1,000,000 | 9 | 87 at α=6.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e168-il | 1,000,000 | 5 | 77.6 at α=7.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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