Airfoil Comparison
Select airfoils from the airfoil database or add your own airfoils and compare the airfoil shape and lift/drag polars.
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(s1012-il) S1012 | Selig S1012 HPV airfoil Max thickness 12% at 37.3% chord Max camber 0% at 0% chord | Remove Airfoil details Airfoil plotter |
(n2h15-il) NACA 2-H-15 AIRFOIL | NACA 2-H-15 rotorcraft airfoil Max thickness 14.7% at 40% chord Max camber 4.5% at 40% chord | Remove Airfoil details Airfoil plotter |
(vr12-il) BOEING-VERTOL VR-12 AIRFOIL | Boeing-Vertol/Dadone VR-12 rotorcraft airfoil Max thickness 10.6% at 35% chord Max camber 2.3% at 20% chord | Remove Airfoil details Airfoil plotter |
(m21-il) NACA M21 AIRFOIL | NACA/Munk M-21 airfoil Max thickness 12% at 30% chord Max camber 6% at 30% chord | Remove Airfoil details Airfoil plotter |
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Polars for (s1012-il,n2h15-il,vr12-il,m21-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| s1012-il | 50,000 | 9 | 26.2 at α=4.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s1012-il | 50,000 | 5 | 25.5 at α=3.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s1012-il | 100,000 | 9 | 37.2 at α=3.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s1012-il | 100,000 | 5 | 31.1 at α=7.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s1012-il | 200,000 | 9 | 37.7 at α=8.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s1012-il | 200,000 | 5 | 40 at α=9.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s1012-il | 500,000 | 9 | 53.5 at α=8.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s1012-il | 500,000 | 5 | 56.8 at α=9.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s1012-il | 1,000,000 | 9 | 69.9 at α=9.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s1012-il | 1,000,000 | 5 | 70.3 at α=9.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| n2h15-il | 50,000 | 9 | 18.1 at α=13° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| n2h15-il | 50,000 | 5 | 13.4 at α=11.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| n2h15-il | 100,000 | 9 | 20 at α=13.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| n2h15-il | 100,000 | 5 | 20.3 at α=10° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| n2h15-il | 200,000 | 9 | 34.9 at α=9° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| n2h15-il | 200,000 | 5 | 38.1 at α=8.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| n2h15-il | 500,000 | 9 | 110.5 at α=6.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| n2h15-il | 500,000 | 5 | 107.5 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| n2h15-il | 1,000,000 | 9 | 145.1 at α=5.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| n2h15-il | 1,000,000 | 5 | 122.1 at α=4.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| vr12-il | 50,000 | 9 | 28.9 at α=4° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| vr12-il | 50,000 | 5 | 28.9 at α=6.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| vr12-il | 100,000 | 9 | 39.4 at α=3° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| vr12-il | 100,000 | 5 | 39.9 at α=7° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| vr12-il | 200,000 | 9 | 49.2 at α=6.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| vr12-il | 200,000 | 5 | 53.6 at α=8° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| vr12-il | 500,000 | 9 | 73 at α=7.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| vr12-il | 500,000 | 5 | 75.5 at α=9° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| vr12-il | 1,000,000 | 9 | 94.4 at α=9.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| vr12-il | 1,000,000 | 5 | 93.9 at α=8.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| m21-il | 50,000 | 9 | 5.4 at α=8.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| m21-il | 50,000 | 5 | 22.2 at α=3.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| m21-il | 100,000 | 9 | 29.8 at α=4° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| m21-il | 100,000 | 5 | 48.5 at α=7.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| m21-il | 200,000 | 9 | 70.1 at α=10.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| m21-il | 200,000 | 5 | 73.7 at α=7.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| m21-il | 500,000 | 9 | 107.3 at α=8.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| m21-il | 500,000 | 5 | 105.8 at α=7.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| m21-il | 1,000,000 | 9 | 135.9 at α=7.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| m21-il | 1,000,000 | 5 | 128.4 at α=7.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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