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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(naca23021-il) NACA 23021 | NACA 23021 airfoil Max thickness 21% at 30% chord Max camber 1.9% at 10% chord | Remove Airfoil details Airfoil plotter |
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Polars for (naca23021-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| naca23021-il | 50,000 | 9 | 18.6 at α=2.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca23021-il | 50,000 | 5 | 24.8 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca23021-il | 100,000 | 9 | 37 at α=6.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca23021-il | 100,000 | 5 | 35.7 at α=7.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca23021-il | 200,000 | 9 | 49.1 at α=7.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca23021-il | 200,000 | 5 | 42.7 at α=8.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca23021-il | 500,000 | 9 | 56.4 at α=7.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca23021-il | 500,000 | 5 | 50.5 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca23021-il | 1,000,000 | 9 | 64.3 at α=5.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca23021-il | 1,000,000 | 5 | 55.8 at α=7.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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