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 | ||
(e68-il) EPPLER 68 AIRFOIL | Eppler E68 low Reynolds number airfoil Max thickness 13.1% at 32% chord Max camber 3.3% at 50.9% chord | Remove Airfoil details Airfoil plotter |
(n14-il) N-14 | N-14 airfoil Max thickness 11.5% at 30% chord Max camber 0.1% at 20% chord | Remove Airfoil details Airfoil plotter |
Drawing Options
Polars for (e68-il,n14-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| e68-il | 50,000 | 9 | 33.7 at α=9.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e68-il | 50,000 | 5 | 32.7 at α=8.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e68-il | 100,000 | 9 | 56.8 at α=7.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e68-il | 100,000 | 5 | 56.5 at α=6.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e68-il | 200,000 | 9 | 82.2 at α=6.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e68-il | 200,000 | 5 | 78.4 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e68-il | 500,000 | 9 | 114.9 at α=4.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e68-il | 500,000 | 5 | 102.6 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e68-il | 1,000,000 | 9 | 136.6 at α=4.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e68-il | 1,000,000 | 5 | 114.1 at α=4° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| n14-il | 50,000 | 9 | 29.1 at α=4.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| n14-il | 50,000 | 5 | 27.5 at α=4.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| n14-il | 100,000 | 9 | 40.5 at α=3.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| n14-il | 100,000 | 5 | 36.8 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| n14-il | 200,000 | 9 | 48.3 at α=4.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| n14-il | 200,000 | 5 | 44.5 at α=6.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| n14-il | 500,000 | 9 | 56.1 at α=7.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| n14-il | 500,000 | 5 | 58.9 at α=9.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| n14-il | 1,000,000 | 9 | 71.8 at α=9.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| n14-il | 1,000,000 | 5 | 73.2 at α=10° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| Reynolds number calculator | |||||||