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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(goe525-il) GOE 525 AIRFOIL | Gottingen 525 airfoil Max thickness 16.5% at 29.7% chord Max camber 9.7% at 49.7% chord | Remove Airfoil details Airfoil plotter |
(e654-il) EPPLER 654 AIRFOIL | Eppler E654 sailplane airfoil Max thickness 17.2% at 36.1% chord Max camber 4.9% at 46.5% chord | Remove Airfoil details Airfoil plotter |
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Polars for (goe525-il,e654-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| goe525-il | 50,000 | 9 | 5.3 at α=8.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe525-il | 50,000 | 5 | 20.5 at α=3.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe525-il | 100,000 | 9 | 48.8 at α=5.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe525-il | 100,000 | 5 | 50.9 at α=3.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe525-il | 200,000 | 9 | 74.3 at α=1.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe525-il | 200,000 | 5 | 71.5 at α=1.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe525-il | 500,000 | 9 | 102.1 at α=0.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe525-il | 500,000 | 5 | 90.6 at α=0.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe525-il | 1,000,000 | 9 | 120.6 at α=0.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe525-il | 1,000,000 | 5 | 104.4 at α=2.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e654-il | 50,000 | 9 | 5.1 at α=10° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e654-il | 50,000 | 5 | 12.8 at α=12.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e654-il | 100,000 | 9 | 32.7 at α=12.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e654-il | 100,000 | 5 | 28.3 at α=10.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e654-il | 200,000 | 9 | 70.6 at α=9° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e654-il | 200,000 | 5 | 71.4 at α=7.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e654-il | 500,000 | 9 | 122.5 at α=7.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e654-il | 500,000 | 5 | 118 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e654-il | 1,000,000 | 9 | 158.6 at α=6.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e654-il | 1,000,000 | 5 | 145.4 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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