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 | ||
(e423-il) E423 | Eppler E423 high lift airfoil Max thickness 12.5% at 23.7% chord Max camber 9.5% at 41.4% chord | Remove Airfoil details Airfoil plotter |
Drawing Options
Polars for (e423-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| e423-il | 50,000 | 9 | 6 at α=7° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e423-il | 50,000 | 5 | 13.9 at α=2.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e423-il | 100,000 | 9 | 12.5 at α=0.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e423-il | 100,000 | 5 | 51.9 at α=4.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e423-il | 200,000 | 9 | 73.7 at α=9.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e423-il | 200,000 | 5 | 84.3 at α=4.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e423-il | 500,000 | 9 | 123.4 at α=5.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e423-il | 500,000 | 5 | 120.6 at α=5.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e423-il | 1,000,000 | 9 | 156.5 at α=5.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e423-il | 1,000,000 | 5 | 145.2 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| Reynolds number calculator | |||||||