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 | ||
(naca643618-il) NACA 64(3)-618 | NACA 64(3)-618 airfoil Max thickness 17.9% at 34.7% chord Max camber 3.3% at 50% chord | Remove Airfoil details Airfoil plotter |
(usa26-il) USA 26 AIRFOIL | USA-26 airfoil Max thickness 9.8% at 19.9% chord Max camber 4.3% at 39.9% chord | Remove Airfoil details Airfoil plotter |
(usa35-il) USA 35 AIRFOIL | USA-35 airfoil Max thickness 18.2% at 29.4% chord Max camber 6.4% at 39.4% chord | Remove Airfoil details Airfoil plotter |
(usa40-il) USA 40 AIRFOIL | USA-40 airfoil Max thickness 13.3% at 30% chord Max camber 4.2% at 40% chord | Remove Airfoil details Airfoil plotter |
Drawing Options
Polars for (naca643618-il,usa26-il,usa35-il,usa40-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| naca643618-il | 50,000 | 9 | 18.6 at α=13° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca643618-il | 50,000 | 5 | 14.9 at α=12.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca643618-il | 100,000 | 9 | 31.8 at α=10.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca643618-il | 100,000 | 5 | 41.8 at α=8.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca643618-il | 200,000 | 9 | 74.3 at α=9° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca643618-il | 200,000 | 5 | 73.5 at α=7.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca643618-il | 500,000 | 9 | 109.9 at α=7.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca643618-il | 500,000 | 5 | 103.7 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca643618-il | 1,000,000 | 9 | 136.3 at α=6.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca643618-il | 1,000,000 | 5 | 124.9 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| usa26-il | 50,000 | 9 | 27.6 at α=3.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| usa26-il | 50,000 | 5 | 35.3 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| usa26-il | 100,000 | 9 | 49.8 at α=9.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| usa26-il | 100,000 | 5 | 52.3 at α=8° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| usa26-il | 200,000 | 9 | 69.5 at α=8.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| usa26-il | 200,000 | 5 | 69.1 at α=7.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| usa26-il | 500,000 | 9 | 95.9 at α=7° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| usa26-il | 500,000 | 5 | 92.9 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| usa26-il | 1,000,000 | 9 | 117.6 at α=6.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| usa26-il | 1,000,000 | 5 | 108.7 at α=5.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| usa35-il | 50,000 | 9 | 4.3 at α=9° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| usa35-il | 50,000 | 5 | 20.6 at α=2.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| usa35-il | 100,000 | 9 | 35.4 at α=5.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| usa35-il | 100,000 | 5 | 46.4 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| usa35-il | 200,000 | 9 | 66.5 at α=7.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| usa35-il | 200,000 | 5 | 67 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| usa35-il | 500,000 | 9 | 97.7 at α=5.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| usa35-il | 500,000 | 5 | 92.2 at α=4.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| usa35-il | 1,000,000 | 9 | 122.3 at α=4.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| usa35-il | 1,000,000 | 5 | 109.5 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| usa40-il | 50,000 | 9 | 23.3 at α=4° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| usa40-il | 50,000 | 5 | 35.3 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| usa40-il | 100,000 | 9 | 50.1 at α=8.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| usa40-il | 100,000 | 5 | 53.2 at α=6.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| usa40-il | 200,000 | 9 | 71.1 at α=7.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| usa40-il | 200,000 | 5 | 69.2 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| usa40-il | 500,000 | 9 | 95.4 at α=5.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| usa40-il | 500,000 | 5 | 82.2 at α=4.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| usa40-il | 1,000,000 | 9 | 105.1 at α=4.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| usa40-il | 1,000,000 | 5 | 87 at α=2.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| Reynolds number calculator | |||||||