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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(goe421-il) GOE 421 AIRFOIL | Gottingen 421 airfoil Max thickness 19% at 29.3% chord Max camber 8.1% at 49.3% chord | Remove Airfoil details Airfoil plotter |
(goe408-il) GOE 408 AIRFOIL | Gottingen 408 airfoil Max thickness 7.8% at 30% chord Max camber 4.1% at 30% chord | Remove Airfoil details Airfoil plotter |
(goe335-il) GOE 335 (D.F.W.) AIRFOIL | Gottingen 335 (D.F.W.) airfoil Max thickness 6.9% at 20% chord Max camber 4.8% at 40% chord | Remove Airfoil details Airfoil plotter |
(goe176-il) GOE 176 (ALBATROS 7020) AIRFOIL | Gottingen 176 (Albatros 7020) airfoil Max thickness 10.3% at 19.8% chord Max camber 5.6% at 39.8% chord | Remove Airfoil details Airfoil plotter |
(goe564-il) GOE 564 AIRFOIL | Gottingen 564 airfoil Max thickness 8.2% at 30% chord Max camber 2.7% at 40% chord | Remove Airfoil details Airfoil plotter |
(goe431-il) GOE 431 AIRFOIL | Gottingen 431 airfoil Max thickness 11.8% at 20% chord Max camber 7.2% at 60% chord | Remove Airfoil details Airfoil plotter |
(goe405-il) GOE 405 AIRFOIL | Gottingen 405 airfoil Max thickness 11.1% at 30% chord Max camber 6.5% at 40% chord | Remove Airfoil details Airfoil plotter |
(goe286-il) GOE 286 AIRFOIL | Gottingen 286 airfoil Max thickness 9.4% at 29.9% chord Max camber 4.1% at 29.9% chord | Remove Airfoil details Airfoil plotter |
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Polars for (goe421-il,goe408-il,goe335-il,goe176-il,goe564-il,goe431-il,goe405-il,goe286-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| goe421-il | 50,000 | 9 | 4.4 at α=13° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe421-il | 50,000 | 5 | 11.8 at α=5.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe421-il | 100,000 | 9 | 31.4 at α=7.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe421-il | 100,000 | 5 | 34.3 at α=3.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe421-il | 200,000 | 9 | 68.2 at α=4.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe421-il | 200,000 | 5 | 60.4 at α=4.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe421-il | 500,000 | 9 | 96.5 at α=4° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe421-il | 500,000 | 5 | 76.6 at α=2° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe421-il | 1,000,000 | 9 | 103.9 at α=3° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe421-il | 1,000,000 | 5 | 86.2 at α=1.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe408-il | 50,000 | 9 | 35.8 at α=8.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe408-il | 50,000 | 5 | 40.8 at α=6.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe408-il | 100,000 | 9 | 58.3 at α=6° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe408-il | 100,000 | 5 | 59.2 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe408-il | 200,000 | 9 | 78.4 at α=5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe408-il | 200,000 | 5 | 75.3 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe408-il | 500,000 | 9 | 101.8 at α=4.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe408-il | 500,000 | 5 | 94.7 at α=3.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe408-il | 1,000,000 | 9 | 119.8 at α=4.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe408-il | 1,000,000 | 5 | 102.2 at α=4.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe335-il | 50,000 | 9 | 38.6 at α=8.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe335-il | 50,000 | 5 | 41.1 at α=5.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe335-il | 100,000 | 9 | 56.6 at α=7.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe335-il | 100,000 | 5 | 57.9 at α=7° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe335-il | 200,000 | 9 | 75.4 at α=7.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe335-il | 200,000 | 5 | 75.4 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe335-il | 500,000 | 9 | 102.1 at α=6° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe335-il | 500,000 | 5 | 100.1 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe335-il | 1,000,000 | 9 | 123.5 at α=5.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe335-il | 1,000,000 | 5 | 119.1 at α=4.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe176-il | 50,000 | 9 | 30.3 at α=3.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe176-il | 50,000 | 5 | 40.2 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe176-il | 100,000 | 9 | 56 at α=6.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe176-il | 100,000 | 5 | 57.5 at α=4° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe176-il | 200,000 | 9 | 73.7 at α=8.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe176-il | 200,000 | 5 | 73.6 at α=7° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe176-il | 500,000 | 9 | 99.2 at α=5.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe176-il | 500,000 | 5 | 87 at α=3.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe176-il | 1,000,000 | 9 | 113.1 at α=4° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe176-il | 1,000,000 | 5 | 93.5 at α=5.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe564-il | 50,000 | 9 | 37.1 at α=5.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe564-il | 50,000 | 5 | 37.5 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe564-il | 100,000 | 9 | 56 at α=4.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe564-il | 100,000 | 5 | 52.6 at α=4° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe564-il | 200,000 | 9 | 75.4 at α=3.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe564-il | 200,000 | 5 | 65.6 at α=3° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe564-il | 500,000 | 9 | 95.7 at α=1.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe564-il | 500,000 | 5 | 77.6 at α=5.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe564-il | 1,000,000 | 9 | 103.8 at α=2° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe564-il | 1,000,000 | 5 | 89.2 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe431-il | 50,000 | 9 | 20.2 at α=4.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe431-il | 50,000 | 5 | 39.5 at α=7.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe431-il | 100,000 | 9 | 62.7 at α=4.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe431-il | 100,000 | 5 | 55.7 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe431-il | 200,000 | 9 | 81 at α=2.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe431-il | 200,000 | 5 | 72.4 at α=1.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe431-il | 500,000 | 9 | 104.7 at α=1° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe431-il | 500,000 | 5 | 85.4 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe431-il | 1,000,000 | 9 | 115.1 at α=0° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe431-il | 1,000,000 | 5 | 106.7 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe405-il | 50,000 | 9 | 9.9 at α=5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe405-il | 50,000 | 5 | 29.2 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe405-il | 100,000 | 9 | 54.3 at α=8.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe405-il | 100,000 | 5 | 58.1 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe405-il | 200,000 | 9 | 82.3 at α=5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe405-il | 200,000 | 5 | 80.3 at α=4.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe405-il | 500,000 | 9 | 115.4 at α=3.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe405-il | 500,000 | 5 | 104.6 at α=4.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe405-il | 1,000,000 | 9 | 137.5 at α=3° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe405-il | 1,000,000 | 5 | 126.2 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe286-il | 50,000 | 9 | 27.9 at α=8° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe286-il | 50,000 | 5 | 37.6 at α=7.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe286-il | 100,000 | 9 | 52.2 at α=8.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe286-il | 100,000 | 5 | 54.5 at α=7.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe286-il | 200,000 | 9 | 72.3 at α=7.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe286-il | 200,000 | 5 | 65.5 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe286-il | 500,000 | 9 | 83.6 at α=4.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe286-il | 500,000 | 5 | 78.8 at α=6.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe286-il | 1,000,000 | 9 | 95.3 at α=6.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe286-il | 1,000,000 | 5 | 89.9 at α=7° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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