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 | ||
(n11h9-il) NACA 11-H-09 AIRFOIL | NACA 11-H-9 rotorcraft airfoil Max thickness 9% at 40.2% chord Max camber 4.5% at 30% chord | Remove Airfoil details Airfoil plotter |
Drawing Options
Polars for (n11h9-il)
Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
---|---|---|---|---|---|---|---|
n11h9-il | 50,000 | 9 | 24.5 at α=10.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
n11h9-il | 50,000 | 5 | 24.6 at α=10° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
n11h9-il | 100,000 | 9 | 52.6 at α=8.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
n11h9-il | 100,000 | 5 | 53.1 at α=8° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
n11h9-il | 200,000 | 9 | 79.6 at α=7.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
n11h9-il | 200,000 | 5 | 79.1 at α=7° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
n11h9-il | 500,000 | 9 | 114.5 at α=6.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
n11h9-il | 500,000 | 5 | 109.5 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
n11h9-il | 1,000,000 | 9 | 138.9 at α=5.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
n11h9-il | 1,000,000 | 5 | 125 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
Reynolds number calculator |