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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(e169-il) E169 (14.4%) | Eppler E169 low Reynolds number airfoil Max thickness 14.4% at 26.5% chord Max camber 0% at 0% chord | Remove Airfoil details Airfoil plotter |
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Polars for (e169-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| e169-il | 50,000 | 9 | 16.7 at α=3° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e169-il | 50,000 | 5 | 27 at α=8.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e169-il | 100,000 | 9 | 39.3 at α=9° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e169-il | 100,000 | 5 | 41.7 at α=8° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e169-il | 200,000 | 9 | 56.1 at α=8° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e169-il | 200,000 | 5 | 55.6 at α=7.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e169-il | 500,000 | 9 | 77.7 at α=7.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e169-il | 500,000 | 5 | 71.5 at α=7.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e169-il | 1,000,000 | 9 | 92.6 at α=7.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e169-il | 1,000,000 | 5 | 79.6 at α=8.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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