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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(goe419-il) GOE 419 AIRFOIL | Gottingen 419 airfoil Max thickness 5.3% at 30% chord Max camber 4.1% at 40% chord | Remove Airfoil details Airfoil plotter |
(e544-il) EPPLER 544 AIRFOIL | Eppler E544 general aviation airfoil Max thickness 17.5% at 40% chord Max camber 1.9% at 30.5% chord | Remove Airfoil details Airfoil plotter |
(e297-il) EPPLER 297 AIRFOIL | Eppler E297 tailplane airfoil Max thickness 11.4% at 37.7% chord Max camber 0% at 0% chord | Remove Airfoil details Airfoil plotter |
(naca654421-il) NACA 65(4)-421 | NACA 65(4)-421 airfoil Max thickness 21% at 39.9% chord Max camber 2.2% at 50% chord | Remove Airfoil details Airfoil plotter |
(e604-il) EPPLER 604 AIRFOIL | Eppler E604 sailplane airfoil Max thickness 18.8% at 37.3% chord Max camber 3.4% at 42.3% chord | Remove Airfoil details Airfoil plotter |
(goe324-il) GOE 324 (HANSA-BRANDENBURG) AIRFOIL | Gottingen 324 (Hansa-Brandenburg) airfoil Max thickness 13.1% at 29.8% chord Max camber 5.9% at 29.8% chord | Remove Airfoil details Airfoil plotter |
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Polars for (goe419-il,e544-il,e297-il,naca654421-il,e604-il,goe324-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| goe419-il | 50,000 | 9 | 42.3 at α=4.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe419-il | 50,000 | 5 | 40.9 at α=4° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe419-il | 100,000 | 9 | 60 at α=3.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe419-il | 100,000 | 5 | 59 at α=3° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe419-il | 200,000 | 9 | 79.8 at α=2.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe419-il | 200,000 | 5 | 78.5 at α=2.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe419-il | 500,000 | 9 | 109.2 at α=1.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe419-il | 500,000 | 5 | 102 at α=2° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe419-il | 1,000,000 | 9 | 125 at α=1° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe419-il | 1,000,000 | 5 | 119.3 at α=1.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e544-il | 50,000 | 9 | 21.5 at α=12.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e544-il | 50,000 | 5 | 18.5 at α=11.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e544-il | 100,000 | 9 | 40.1 at α=10.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e544-il | 100,000 | 5 | 37.4 at α=8.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e544-il | 200,000 | 9 | 60.8 at α=8.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e544-il | 200,000 | 5 | 61.7 at α=7.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e544-il | 500,000 | 9 | 91 at α=7.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e544-il | 500,000 | 5 | 86.2 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e544-il | 1,000,000 | 9 | 113.5 at α=6.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e544-il | 1,000,000 | 5 | 101.1 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e297-il | 50,000 | 9 | 29.3 at α=5.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e297-il | 50,000 | 5 | 28.8 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e297-il | 100,000 | 9 | 43.1 at α=4.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e297-il | 100,000 | 5 | 34.9 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e297-il | 200,000 | 9 | 46.9 at α=4.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e297-il | 200,000 | 5 | 39.6 at α=4.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e297-il | 500,000 | 9 | 56 at α=4° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e297-il | 500,000 | 5 | 51.1 at α=6.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e297-il | 1,000,000 | 9 | 61.5 at α=3.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e297-il | 1,000,000 | 5 | 60.4 at α=6.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca654421-il | 50,000 | 9 | 14.3 at α=14.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca654421-il | 50,000 | 5 | 11.8 at α=13.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca654421-il | 100,000 | 9 | 20.6 at α=12.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca654421-il | 100,000 | 5 | 19.7 at α=11.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca654421-il | 200,000 | 9 | 53.9 at α=8.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca654421-il | 200,000 | 5 | 57 at α=7.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca654421-il | 500,000 | 9 | 96.3 at α=7.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca654421-il | 500,000 | 5 | 91.1 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca654421-il | 1,000,000 | 9 | 122 at α=6.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca654421-il | 1,000,000 | 5 | 110.4 at α=5.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e604-il | 50,000 | 9 | 5.2 at α=12° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e604-il | 50,000 | 5 | 13.8 at α=14.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e604-il | 100,000 | 9 | 34.1 at α=12.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e604-il | 100,000 | 5 | 30.1 at α=10.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e604-il | 200,000 | 9 | 65.1 at α=8.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e604-il | 200,000 | 5 | 67.1 at α=7° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e604-il | 500,000 | 9 | 106.7 at α=7.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e604-il | 500,000 | 5 | 101.8 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e604-il | 1,000,000 | 9 | 136.3 at α=6.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e604-il | 1,000,000 | 5 | 123.8 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe324-il | 50,000 | 9 | 8.3 at α=-3° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe324-il | 50,000 | 5 | 20 at α=4° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe324-il | 100,000 | 9 | 33.6 at α=8.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe324-il | 100,000 | 5 | 49.6 at α=7.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe324-il | 200,000 | 9 | 70.6 at α=8.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe324-il | 200,000 | 5 | 74.2 at α=7.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe324-il | 500,000 | 9 | 108.8 at α=8° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe324-il | 500,000 | 5 | 104.3 at α=6.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe324-il | 1,000,000 | 9 | 136.4 at α=7.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe324-il | 1,000,000 | 5 | 124 at α=5.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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