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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(goe424-il) GOE 424 AIRFOIL | Gottingen 424 airfoil Max thickness 19.9% at 38.5% chord Max camber 4.8% at 38.5% chord | Remove Airfoil details Airfoil plotter |
(goe439-il) GOE 439 AIRFOIL | Gottingen 439 airfoil Max thickness 7.9% at 30% chord Max camber 5.2% at 40% chord | Remove Airfoil details Airfoil plotter |
(goe459-il) GOE 459 AIRFOIL | Gottingen 459 airfoil Max thickness 12.7% at 30% chord Max camber 0% at 0% chord | Remove Airfoil details Airfoil plotter |
(goe426-il) GOE 426 AIRFOIL | Gottingen 426 airfoil Max thickness 13.6% at 30% chord Max camber 4.6% at 40% chord | Remove Airfoil details Airfoil plotter |
(goe435-il) GOE 435 AIRFOIL | Gottingen 435 airfoil Max thickness 26.1% at 27.8% chord Max camber 4.7% at 48% chord | Remove Airfoil details Airfoil plotter |
(goe376-il) GOE 376 AIRFOIL | Gottingen 376 airfoil Max thickness 6.6% at 30% chord Max camber 5% at 30% chord | Remove Airfoil details Airfoil plotter |
(goe409-il) GOE 409 AIRFOIL | Gottingen 409 airfoil Max thickness 12.7% at 30% chord Max camber 0% at 0% chord | Remove Airfoil details Airfoil plotter |
(goe404-il) GOE 404 AIRFOIL | Gottingen 404 airfoil Max thickness 13.2% at 29.6% chord Max camber 5% at 29.6% chord | Remove Airfoil details Airfoil plotter |
(goe384-il) GOE 384 AIRFOIL | Gottingen 384 airfoil Max thickness 19.6% at 29.3% chord Max camber 6.9% at 39.3% chord | Remove Airfoil details Airfoil plotter |
(goe446-il) GOE 446 AIRFOIL | Gottingen 446 airfoil Max thickness 12.9% at 29.7% chord Max camber 6.3% at 39.7% chord | Remove Airfoil details Airfoil plotter |
(e642-il) EPPLER 642 AIRFOIL | Eppler E642 sailplane airfoil Max thickness 15.1% at 39.4% chord Max camber 3% at 39.4% chord | Remove Airfoil details Airfoil plotter |
(goe367-il) GOE 367 AIRFOIL | Gottingen 367 airfoil Max thickness 16.3% at 29.7% chord Max camber 4.6% at 39.7% chord | Remove Airfoil details Airfoil plotter |
(goe366-il) GOE 366 AIRFOIL | Gottingen 366 airfoil Max thickness 13.1% at 29.8% chord Max camber 7.2% at 39.8% chord | Remove Airfoil details Airfoil plotter |
Drawing Options
Polars for (goe424-il,goe439-il,goe459-il,goe426-il,goe435-il,goe376-il,goe409-il,goe404-il,goe384-il,goe446-il,e642-il,goe367-il,goe366-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| goe424-il | 50,000 | 9 | 3.6 at α=9.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe424-il | 50,000 | 5 | 16.2 at α=1.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe424-il | 100,000 | 9 | 22.4 at α=2° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe424-il | 100,000 | 5 | 37.4 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe424-il | 200,000 | 9 | 59 at α=10° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe424-il | 200,000 | 5 | 63.3 at α=7.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe424-il | 500,000 | 9 | 96.4 at α=8.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe424-il | 500,000 | 5 | 93.8 at α=7.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe424-il | 1,000,000 | 9 | 124.2 at α=7.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe424-il | 1,000,000 | 5 | 117.5 at α=6.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe439-il | 50,000 | 9 | 28.7 at α=9.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe439-il | 50,000 | 5 | 40.8 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe439-il | 100,000 | 9 | 59.1 at α=7.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe439-il | 100,000 | 5 | 61.1 at α=5.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe439-il | 200,000 | 9 | 79.3 at α=6.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe439-il | 200,000 | 5 | 80.6 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe439-il | 500,000 | 9 | 108.4 at α=4.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe439-il | 500,000 | 5 | 106.1 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe439-il | 1,000,000 | 9 | 129.3 at α=4.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe439-il | 1,000,000 | 5 | 123.7 at α=4° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe459-il | 50,000 | 9 | 28.6 at α=5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe459-il | 50,000 | 5 | 27.8 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe459-il | 100,000 | 9 | 40.5 at α=4.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe459-il | 100,000 | 5 | 37.3 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe459-il | 200,000 | 9 | 49.3 at α=4.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe459-il | 200,000 | 5 | 45.3 at α=6.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe459-il | 500,000 | 9 | 59 at α=7.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe459-il | 500,000 | 5 | 60.2 at α=8.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe459-il | 1,000,000 | 9 | 75.6 at α=10.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe459-il | 1,000,000 | 5 | 75.4 at α=9.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe426-il | 50,000 | 9 | 7.9 at α=3° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe426-il | 50,000 | 5 | 26.6 at α=5.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe426-il | 100,000 | 9 | 46.9 at α=11.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe426-il | 100,000 | 5 | 52.1 at α=7.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe426-il | 200,000 | 9 | 75.9 at α=9.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe426-il | 200,000 | 5 | 77.9 at α=8° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe426-il | 500,000 | 9 | 112.7 at α=8° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe426-il | 500,000 | 5 | 110.4 at α=6.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe426-il | 1,000,000 | 9 | 141.9 at α=6.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe426-il | 1,000,000 | 5 | 134.3 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe435-il | 50,000 | 9 | 2.8 at α=11.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe435-il | 50,000 | 5 | 7.9 at α=4.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe435-il | 100,000 | 9 | 25.1 at α=7.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe435-il | 100,000 | 5 | 33.1 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe435-il | 200,000 | 9 | 52.4 at α=6.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe435-il | 200,000 | 5 | 50.2 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe435-il | 500,000 | 9 | 75.8 at α=5.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe435-il | 500,000 | 5 | 69.9 at α=3.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe435-il | 1,000,000 | 9 | 95.2 at α=4.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe435-il | 1,000,000 | 5 | 79.6 at α=4.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe376-il | 50,000 | 9 | 33.8 at α=5.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe376-il | 50,000 | 5 | 41.5 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe376-il | 100,000 | 9 | 56.4 at α=5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe376-il | 100,000 | 5 | 58.7 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe376-il | 200,000 | 9 | 76.2 at α=4.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe376-il | 200,000 | 5 | 76.5 at α=5.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe376-il | 500,000 | 9 | 105.2 at α=5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe376-il | 500,000 | 5 | 96 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe376-il | 1,000,000 | 9 | 121.7 at α=5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe376-il | 1,000,000 | 5 | 97.2 at α=6.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe409-il | 50,000 | 9 | 28.7 at α=4.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe409-il | 50,000 | 5 | 26.6 at α=4.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe409-il | 100,000 | 9 | 38.6 at α=3.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe409-il | 100,000 | 5 | 32.5 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe409-il | 200,000 | 9 | 40.9 at α=4.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe409-il | 200,000 | 5 | 37.7 at α=6.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe409-il | 500,000 | 9 | 46.5 at α=7.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe409-il | 500,000 | 5 | 50.7 at α=9.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe409-il | 1,000,000 | 9 | 64.2 at α=13° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe409-il | 1,000,000 | 5 | 70.5 at α=11.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe404-il | 50,000 | 9 | 15.2 at α=2° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe404-il | 50,000 | 5 | 31.6 at α=7° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe404-il | 100,000 | 9 | 45.2 at α=9.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe404-il | 100,000 | 5 | 50.8 at α=7.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe404-il | 200,000 | 9 | 68.8 at α=8.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe404-il | 200,000 | 5 | 69.7 at α=7.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe404-il | 500,000 | 9 | 98.8 at α=7.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe404-il | 500,000 | 5 | 94.2 at α=6.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe404-il | 1,000,000 | 9 | 121.6 at α=6.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe404-il | 1,000,000 | 5 | 110.7 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe384-il | 50,000 | 9 | 3.9 at α=12.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe384-il | 50,000 | 5 | 11.7 at α=1.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe384-il | 100,000 | 9 | 27.3 at α=2.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe384-il | 100,000 | 5 | 39.5 at α=5.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe384-il | 200,000 | 9 | 63.4 at α=6.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe384-il | 200,000 | 5 | 59.1 at α=3.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe384-il | 500,000 | 9 | 87.1 at α=2° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe384-il | 500,000 | 5 | 78.4 at α=3.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe384-il | 1,000,000 | 9 | 105.1 at α=4° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe384-il | 1,000,000 | 5 | 100.5 at α=4.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe446-il | 50,000 | 9 | 7.6 at α=12.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe446-il | 50,000 | 5 | 21.2 at α=3.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe446-il | 100,000 | 9 | 50.9 at α=10.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe446-il | 100,000 | 5 | 56.7 at α=6.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe446-il | 200,000 | 9 | 83.8 at α=6.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe446-il | 200,000 | 5 | 83.1 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe446-il | 500,000 | 9 | 122 at α=4° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe446-il | 500,000 | 5 | 111.7 at α=3.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe446-il | 1,000,000 | 9 | 148.7 at α=2.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe446-il | 1,000,000 | 5 | 130.4 at α=4.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e642-il | 50,000 | 9 | 21.9 at α=12.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e642-il | 50,000 | 5 | 19.2 at α=12.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e642-il | 100,000 | 9 | 43.7 at α=10.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e642-il | 100,000 | 5 | 43 at α=6.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e642-il | 200,000 | 9 | 77.1 at α=8° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e642-il | 200,000 | 5 | 65.4 at α=7.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e642-il | 500,000 | 9 | 98.2 at α=7.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e642-il | 500,000 | 5 | 92.6 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e642-il | 1,000,000 | 9 | 121.4 at α=6° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e642-il | 1,000,000 | 5 | 109.7 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe367-il | 50,000 | 9 | 5.3 at α=3.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe367-il | 50,000 | 5 | 20.8 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe367-il | 100,000 | 9 | 41.2 at α=7.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe367-il | 100,000 | 5 | 47.7 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe367-il | 200,000 | 9 | 68 at α=6° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe367-il | 200,000 | 5 | 64.8 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe367-il | 500,000 | 9 | 93.2 at α=5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe367-il | 500,000 | 5 | 83.7 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe367-il | 1,000,000 | 9 | 111.3 at α=6.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe367-il | 1,000,000 | 5 | 98.4 at α=7° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe366-il | 50,000 | 9 | 8.1 at α=3° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe366-il | 50,000 | 5 | 30.9 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe366-il | 100,000 | 9 | 51.7 at α=4.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe366-il | 100,000 | 5 | 55 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe366-il | 200,000 | 9 | 82.6 at α=-0.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe366-il | 200,000 | 5 | 73.3 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe366-il | 500,000 | 9 | 102.6 at α=5.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe366-il | 500,000 | 5 | 97.5 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe366-il | 1,000,000 | 9 | 128.5 at α=5.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe366-il | 1,000,000 | 5 | 121.1 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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