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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(goe100-il) GOE 100 (SOPWITH) AIRFOIL | Gottingen 100 (Sopwith) airfoil Max thickness 6.6% at 20% chord Max camber 3.6% at 39.9% chord | Remove Airfoil details Airfoil plotter |
(s806a-nr) NREL's S806A Airfoil (modified line 35) | NREL HAWT airfoil S806A tip Max thickness 11.5% at 45% chord Max camber 2.8% at 45% chord | Remove Airfoil details Airfoil plotter |
(e407-il) EPPLER 407 AIRFOIL | Eppler E407 sailplane airfoil Max thickness 14.4% at 36.6% chord Max camber 3.5% at 71.7% chord | Remove Airfoil details Airfoil plotter |
(goe362-il) GOE 362 AIRFOIL | Gottingen 362 airfoil Max thickness 6.6% at 20% chord Max camber 5.3% at 40% chord | Remove Airfoil details Airfoil plotter |
(dae31-il) DAE-31 AIRFOIL | Drela DAE31 low Reynolds number airfoil Max thickness 11.1% at 29.3% chord Max camber 6.7% at 47% chord | Remove Airfoil details Airfoil plotter |
(goe81-il) GOE 81 AIRFOIL | Gottingen 81 airfoil Max thickness 7.4% at 29.9% chord Max camber 6.3% at 29.9% chord | Remove Airfoil details Airfoil plotter |
(e360-il) EPPLER 360 AIRFOIL | Eppler E360 rotorcraft airfoil Max thickness 12.2% at 36.9% chord Max camber 1.6% at 27.2% chord | Remove Airfoil details Airfoil plotter |
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Polars for (goe100-il,s806a-nr,e407-il,goe362-il,dae31-il,goe81-il,e360-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| goe100-il | 50,000 | 9 | 37.7 at α=4° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe100-il | 50,000 | 5 | 38 at α=4° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe100-il | 100,000 | 9 | 54.4 at α=3.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe100-il | 100,000 | 5 | 50.9 at α=2.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe100-il | 200,000 | 9 | 71.3 at α=2.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe100-il | 200,000 | 5 | 61.7 at α=1.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe100-il | 500,000 | 9 | 88.2 at α=1.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe100-il | 500,000 | 5 | 73.1 at α=2.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe100-il | 1,000,000 | 9 | 88.8 at α=2° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe100-il | 1,000,000 | 5 | 83.1 at α=3° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s806a-nr | 50,000 | 9 | 34.4 at α=7.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s806a-nr | 100,000 | 9 | 53.3 at α=7° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s806a-nr | 200,000 | 9 | 76.1 at α=5.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s806a-nr | 500,000 | 9 | 107.6 at α=4.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s806a-nr | 1,000,000 | 9 | 119.2 at α=3.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e407-il | 50,000 | 9 | 34.2 at α=8.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e407-il | 50,000 | 5 | 30.9 at α=8.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e407-il | 100,000 | 9 | 50.6 at α=7.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e407-il | 100,000 | 5 | 48.2 at α=6.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e407-il | 200,000 | 9 | 72 at α=6° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e407-il | 200,000 | 5 | 72 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e407-il | 500,000 | 9 | 113 at α=4° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e407-il | 500,000 | 5 | 104.1 at α=2.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e407-il | 1,000,000 | 9 | 144.3 at α=2.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e407-il | 1,000,000 | 5 | 121.5 at α=1.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe362-il | 50,000 | 9 | 37.3 at α=8.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe362-il | 50,000 | 5 | 43.4 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe362-il | 100,000 | 9 | 58.4 at α=7.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe362-il | 100,000 | 5 | 63.3 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe362-il | 200,000 | 9 | 79.6 at α=6.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe362-il | 200,000 | 5 | 81.9 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe362-il | 500,000 | 9 | 109.4 at α=5.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe362-il | 500,000 | 5 | 108.1 at α=4.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe362-il | 1,000,000 | 9 | 131.4 at α=5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe362-il | 1,000,000 | 5 | 127.7 at α=3.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| dae31-il | 50,000 | 9 | 10 at α=8.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| dae31-il | 50,000 | 5 | 25.9 at α=10° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| dae31-il | 100,000 | 9 | 56.4 at α=9.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| dae31-il | 100,000 | 5 | 57.2 at α=7.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| dae31-il | 200,000 | 9 | 91.3 at α=6.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| dae31-il | 200,000 | 5 | 90.8 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| dae31-il | 500,000 | 9 | 139.4 at α=4.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| dae31-il | 500,000 | 5 | 128.8 at α=3.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| dae31-il | 1,000,000 | 9 | 173.7 at α=3.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| dae31-il | 1,000,000 | 5 | 151.5 at α=3° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe81-il | 50,000 | 9 | 31.3 at α=9.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe81-il | 50,000 | 5 | 42.1 at α=7.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe81-il | 100,000 | 9 | 61.7 at α=7° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe81-il | 100,000 | 5 | 65.1 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe81-il | 200,000 | 9 | 89.3 at α=-0.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe81-il | 200,000 | 5 | 83.4 at α=4.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe81-il | 500,000 | 9 | 114.1 at α=4.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe81-il | 500,000 | 5 | 102.5 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe81-il | 1,000,000 | 9 | 133.7 at α=4.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe81-il | 1,000,000 | 5 | 104.8 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e360-il | 50,000 | 9 | 30.2 at α=6.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e360-il | 50,000 | 5 | 31.5 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e360-il | 100,000 | 9 | 47.6 at α=5.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e360-il | 100,000 | 5 | 46 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e360-il | 200,000 | 9 | 63.3 at α=5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e360-il | 200,000 | 5 | 52.5 at α=6.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e360-il | 500,000 | 9 | 69.9 at α=7.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e360-il | 500,000 | 5 | 69 at α=8.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e360-il | 1,000,000 | 9 | 86 at α=8.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e360-il | 1,000,000 | 5 | 84 at α=9.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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