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 | ||
(ys915-il) YS-915 | YS915 hydrofoil (Shen / Eppler) Max thickness 9.1% at 36.1% chord Max camber 1.8% at 65.6% chord | Remove Airfoil details Airfoil plotter |
Drawing Options
Polars for (ys915-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| ys915-il | 50,000 | 9 | 20.4 at α=5.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ys915-il | 50,000 | 5 | 21.9 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ys915-il | 100,000 | 9 | 29.4 at α=4.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ys915-il | 100,000 | 5 | 34 at α=3.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ys915-il | 200,000 | 9 | 54 at α=3.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ys915-il | 200,000 | 5 | 51.6 at α=2.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ys915-il | 500,000 | 9 | 91.9 at α=2.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ys915-il | 500,000 | 5 | 73.7 at α=2° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ys915-il | 1,000,000 | 9 | 109.2 at α=2° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ys915-il | 1,000,000 | 5 | 79.1 at α=1.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| Reynolds number calculator | |||||||