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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(naca65209-il) NACA 65-209 | NACA 65-209 airfoil Max thickness 9% at 40% chord Max camber 1.1% at 50% chord | Remove Airfoil details Airfoil plotter |
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Polars for (naca65209-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| naca65209-il | 50,000 | 9 | 24.9 at α=4.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca65209-il | 50,000 | 5 | 30.4 at α=4.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca65209-il | 100,000 | 9 | 43.6 at α=3.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca65209-il | 100,000 | 5 | 42.1 at α=3.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca65209-il | 200,000 | 9 | 59.3 at α=3.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca65209-il | 200,000 | 5 | 50.4 at α=3° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca65209-il | 500,000 | 9 | 71.3 at α=3° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca65209-il | 500,000 | 5 | 61.2 at α=2.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca65209-il | 1,000,000 | 9 | 80.6 at α=2.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca65209-il | 1,000,000 | 5 | 68 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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