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 | ||
(e654-il) EPPLER 654 AIRFOIL | Eppler E654 sailplane airfoil Max thickness 17.2% at 36.1% chord Max camber 4.9% at 46.5% chord | Remove Airfoil details Airfoil plotter |
Drawing Options
Polars for (e654-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| e654-il | 50,000 | 9 | 5.1 at α=10° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e654-il | 50,000 | 5 | 12.8 at α=12.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e654-il | 100,000 | 9 | 32.7 at α=12.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e654-il | 100,000 | 5 | 28.3 at α=10.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e654-il | 200,000 | 9 | 70.6 at α=9° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e654-il | 200,000 | 5 | 71.4 at α=7.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e654-il | 500,000 | 9 | 122.5 at α=7.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e654-il | 500,000 | 5 | 118 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e654-il | 1,000,000 | 9 | 158.6 at α=6.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e654-il | 1,000,000 | 5 | 145.4 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| Reynolds number calculator | |||||||