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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(goe491-il) GOE 491 AIRFOIL | Gottingen 491 airfoil Max thickness 4.9% at 20% chord Max camber 2.9% at 30% chord | Remove Airfoil details Airfoil plotter |
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Polars for (goe491-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| goe491-il | 50,000 | 9 | 34.6 at α=5.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe491-il | 50,000 | 5 | 37.1 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe491-il | 100,000 | 9 | 48.9 at α=5.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe491-il | 100,000 | 5 | 50.5 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe491-il | 200,000 | 9 | 62.8 at α=4.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe491-il | 200,000 | 5 | 62 at α=4.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe491-il | 500,000 | 9 | 92.3 at α=8.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe491-il | 500,000 | 5 | 73.2 at α=3° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe491-il | 1,000,000 | 9 | 88 at α=2.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe491-il | 1,000,000 | 5 | 86.8 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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