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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(goe373-il) GOE 373 AIRFOIL | Gottingen 373 airfoil Max thickness 6.5% at 29.9% chord Max camber 5.1% at 39.9% chord | Remove Airfoil details Airfoil plotter |
(goe411-il) GOE 411 AIRFOIL | Gottingen 411 airfoil Max thickness 13.2% at 30% chord Max camber 0% at 0% 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 |
(goe633-il) GOE 633 AIRFOIL | Gottingen 633 airfoil Max thickness 13.8% at 19.7% chord Max camber 4% at 39.7% chord | Remove Airfoil details Airfoil plotter |
(naca4421-il) NACA 4421 | NACA 4421 airfoil Max thickness 21% at 30% chord Max camber 4% at 40% chord | Remove Airfoil details Airfoil plotter |
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Polars for (goe373-il,goe411-il,goe384-il,goe633-il,naca4421-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| goe373-il | 50,000 | 9 | 35.5 at α=9.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe373-il | 50,000 | 5 | 41.9 at α=6.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe373-il | 100,000 | 9 | 59 at α=7.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe373-il | 100,000 | 5 | 61.1 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe373-il | 200,000 | 9 | 80.1 at α=6.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe373-il | 200,000 | 5 | 79 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe373-il | 500,000 | 9 | 105.9 at α=5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe373-il | 500,000 | 5 | 94.8 at α=6.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe373-il | 1,000,000 | 9 | 105 at α=5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe373-il | 1,000,000 | 5 | 93.7 at α=4° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe411-il | 50,000 | 9 | 30.1 at α=5.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe411-il | 50,000 | 5 | 28 at α=4.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe411-il | 100,000 | 9 | 40.7 at α=4.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe411-il | 100,000 | 5 | 34.1 at α=4° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe411-il | 200,000 | 9 | 43.7 at α=3.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe411-il | 200,000 | 5 | 35.6 at α=3.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe411-il | 500,000 | 9 | 45.8 at α=3.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe411-il | 500,000 | 5 | 42.9 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe411-il | 1,000,000 | 9 | 48.7 at α=6.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe411-il | 1,000,000 | 5 | 53.4 at α=7° | 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 | |
| goe633-il | 50,000 | 9 | 9.7 at α=2.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe633-il | 50,000 | 5 | 26.5 at α=5.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe633-il | 100,000 | 9 | 43.9 at α=8.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe633-il | 100,000 | 5 | 48.9 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe633-il | 200,000 | 9 | 67.4 at α=6.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe633-il | 200,000 | 5 | 66.2 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe633-il | 500,000 | 9 | 94.1 at α=7.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe633-il | 500,000 | 5 | 90.8 at α=7.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe633-il | 1,000,000 | 9 | 118.3 at α=7.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe633-il | 1,000,000 | 5 | 102.6 at α=7.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca4421-il | 50,000 | 9 | 3.6 at α=10.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca4421-il | 50,000 | 5 | 15.3 at α=2.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca4421-il | 100,000 | 9 | 36.1 at α=9.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca4421-il | 100,000 | 5 | 41.9 at α=5.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca4421-il | 200,000 | 9 | 61.2 at α=7.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca4421-il | 200,000 | 5 | 58.4 at α=6.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca4421-il | 500,000 | 9 | 83.3 at α=5.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca4421-il | 500,000 | 5 | 78.1 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca4421-il | 1,000,000 | 9 | 103.1 at α=5.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca4421-il | 1,000,000 | 5 | 93.2 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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