Airfoil Comparison
Select airfoils from the airfoil database or add your own airfoils and compare the airfoil shape and lift/drag polars.
| Open full size plan in new window | Open paginated plan in new window | |
| Download PDF file | SVG image as text file | |
| Clear all | ||
(e398-il) EPPLER 398 AIRFOIL | Eppler E398 human powered aircraft airfoil Max thickness 14.2% at 29.6% chord Max camber 5.3% at 50.9% chord | Remove Airfoil details Airfoil plotter |
Drawing Options
Polars for (e398-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| e398-il | 50,000 | 9 | 6.6 at α=8° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e398-il | 50,000 | 5 | 17.7 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e398-il | 100,000 | 9 | 47.5 at α=10.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e398-il | 100,000 | 5 | 54.9 at α=8.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e398-il | 200,000 | 9 | 84.8 at α=8.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e398-il | 200,000 | 5 | 86.7 at α=7° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e398-il | 500,000 | 9 | 129 at α=7° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e398-il | 500,000 | 5 | 124.8 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e398-il | 1,000,000 | 9 | 163.3 at α=5.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e398-il | 1,000,000 | 5 | 147 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| Reynolds number calculator | |||||||