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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(naca654221-il) NACA 65(4)-221 | NACA 65(4)-221 airfoil Max thickness 21% at 39.9% chord Max camber 1.1% at 50% chord | Remove Airfoil details Airfoil plotter |
(naca644221-il) NACA 64(4)-221 | NACA 64(4)-221 airfoil Max thickness 21% at 34.9% chord Max camber 1.1% at 50% chord | Remove Airfoil details Airfoil plotter |
(naca24112-jf) NACA 24112 | NACA 24112 5 digit reflex airfoil Max thickness 12% at 29.4% chord Max camber 1.7% at 20.6% chord | Remove Airfoil details Airfoil plotter |
(naca634221-il) NACA 63(4)-221 | NACA 63(4)-221 airfoil Max thickness 21% at 34.9% chord Max camber 1.1% at 50% chord | Remove Airfoil details Airfoil plotter |
(naca63209-il) NACA 63-209 | NACA 63-209 airfoil Max thickness 9% at 35% chord Max camber 1.1% at 50% chord | Remove Airfoil details Airfoil plotter |
(naca16021-il) NACA 16-021 | NACA 16-021 airfoil Max thickness 21% at 50% chord Max camber 0% at 0% chord | Remove Airfoil details Airfoil plotter |
(naca4412-il) NACA 4412 | NACA 4412 airfoil Max thickness 12% at 30% chord Max camber 4% at 40% chord | Remove Airfoil details Airfoil plotter |
(naca64209-il) NACA 64-209 | NACA 64-209 airfoil Max thickness 9% at 40% chord Max camber 1.1% at 50% chord | Remove Airfoil details Airfoil plotter |
(naca0012h-sa) NACA0012H for VAWT from Sandia report SAND80-2114 | Modified Naca 0012 airfoil for Sandia VAWT tests Max thickness 12.2% at 22.5% chord Max camber 0% at 0% chord | Remove Airfoil details Airfoil plotter |
(n6h20-il) NACA 6-H-20 AIRFOIL | NACA 6-H-20 rotorcraft airfoil Max thickness 20% at 40% chord Max camber 6.1% at 40% chord | Remove Airfoil details Airfoil plotter |
(naca643218-il) NACA 64(3)-218 | NACA 64(3)-218 airfoil Max thickness 18% at 34.9% chord Max camber 1.1% at 50% chord | Remove Airfoil details Airfoil plotter |
(naca16009-il) NACA 16009 | NACA 16009 airfoil Max thickness 9% at 50% chord Max camber 0% at 0% chord | Remove Airfoil details Airfoil plotter |
(naca23021-il) NACA 23021 | NACA 23021 airfoil Max thickness 21% at 30% chord Max camber 1.9% at 10% chord | Remove Airfoil details Airfoil plotter |
Drawing Options
Polars for (naca654221-il,naca644221-il,naca24112-jf,naca634221-il,naca63209-il,naca16021-il,naca4412-il,naca64209-il,naca0012h-sa,n6h20-il,naca643218-il,naca16009-il,naca23021-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| naca654221-il | 50,000 | 9 | 15.7 at α=13.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca654221-il | 50,000 | 5 | 12.4 at α=12.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca654221-il | 100,000 | 9 | 21.3 at α=11.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca654221-il | 100,000 | 5 | 20.7 at α=10.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca654221-il | 200,000 | 9 | 50.2 at α=8° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca654221-il | 200,000 | 5 | 52.6 at α=7.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca654221-il | 500,000 | 9 | 86.2 at α=7.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca654221-il | 500,000 | 5 | 78.6 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca654221-il | 1,000,000 | 9 | 105.8 at α=6.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca654221-il | 1,000,000 | 5 | 91.9 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca644221-il | 50,000 | 9 | 9.4 at α=13.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca644221-il | 50,000 | 5 | 12.2 at α=13° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca644221-il | 100,000 | 9 | 24.1 at α=11.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca644221-il | 100,000 | 5 | 28.7 at α=8° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca644221-il | 200,000 | 9 | 57.2 at α=9.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca644221-il | 200,000 | 5 | 58.1 at α=8° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca644221-il | 500,000 | 9 | 90.7 at α=8.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca644221-il | 500,000 | 5 | 82.3 at α=6.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca644221-il | 1,000,000 | 9 | 111.4 at α=7.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca644221-il | 1,000,000 | 5 | 95.8 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca24112-jf | 50,000 | 9 | 19.9 at α=3.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca24112-jf | 50,000 | 5 | 27.6 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca24112-jf | 100,000 | 9 | 37.3 at α=10.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca24112-jf | 100,000 | 5 | 43.5 at α=9° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca24112-jf | 200,000 | 9 | 57.7 at α=9.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca24112-jf | 200,000 | 5 | 60.4 at α=8.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca24112-jf | 500,000 | 9 | 84.9 at α=8.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca24112-jf | 500,000 | 5 | 83 at α=8° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca24112-jf | 1,000,000 | 9 | 105.5 at α=7.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca24112-jf | 1,000,000 | 5 | 98.1 at α=7.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca634221-il | 50,000 | 9 | 4.8 at α=-3° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca634221-il | 50,000 | 5 | 10.8 at α=14.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca634221-il | 100,000 | 9 | 28.9 at α=12° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca634221-il | 100,000 | 5 | 34 at α=8° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca634221-il | 200,000 | 9 | 58.1 at α=9.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca634221-il | 200,000 | 5 | 58.4 at α=8.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca634221-il | 500,000 | 9 | 88 at α=8.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca634221-il | 500,000 | 5 | 82 at α=7° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca634221-il | 1,000,000 | 9 | 108 at α=7.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca634221-il | 1,000,000 | 5 | 95.8 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca63209-il | 50,000 | 9 | 32.1 at α=5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca63209-il | 50,000 | 5 | 32.9 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca63209-il | 100,000 | 9 | 47.3 at α=4.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca63209-il | 100,000 | 5 | 44.5 at α=4° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca63209-il | 200,000 | 9 | 62 at α=4° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca63209-il | 200,000 | 5 | 55.5 at α=3.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca63209-il | 500,000 | 9 | 78 at α=3.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca63209-il | 500,000 | 5 | 63.4 at α=2.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca63209-il | 1,000,000 | 9 | 84.6 at α=2.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca63209-il | 1,000,000 | 5 | 72.7 at α=6.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca16021-il | 50,000 | 9 | 21.9 at α=8.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca16021-il | 50,000 | 5 | 17.9 at α=7.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca16021-il | 100,000 | 9 | 28.3 at α=6.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca16021-il | 100,000 | 5 | 20.7 at α=7° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca16021-il | 200,000 | 9 | 33.7 at α=6° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca16021-il | 200,000 | 5 | 26.3 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca16021-il | 500,000 | 9 | 39.5 at α=5.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca16021-il | 500,000 | 5 | 28.4 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca16021-il | 1,000,000 | 9 | 42 at α=4.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca16021-il | 1,000,000 | 5 | 31.6 at α=12.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca4412-il | 50,000 | 9 | 33.4 at α=9.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca4412-il | 50,000 | 5 | 36.1 at α=8.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca4412-il | 100,000 | 9 | 56.1 at α=8.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca4412-il | 100,000 | 5 | 57.4 at α=6.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca4412-il | 200,000 | 9 | 78.1 at α=7° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca4412-il | 200,000 | 5 | 76.6 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca4412-il | 500,000 | 9 | 107.5 at α=6° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca4412-il | 500,000 | 5 | 101.1 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca4412-il | 1,000,000 | 9 | 129.4 at α=5.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca4412-il | 1,000,000 | 5 | 119.2 at α=4.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca64209-il | 50,000 | 9 | 31.5 at α=4.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca64209-il | 50,000 | 5 | 32 at α=4.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca64209-il | 100,000 | 9 | 45.9 at α=4.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca64209-il | 100,000 | 5 | 43.4 at α=4° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca64209-il | 200,000 | 9 | 60.8 at α=3.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca64209-il | 200,000 | 5 | 53.8 at α=3.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca64209-il | 500,000 | 9 | 75.8 at α=3.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca64209-il | 500,000 | 5 | 60.8 at α=2.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca64209-il | 1,000,000 | 9 | 82.6 at α=2.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca64209-il | 1,000,000 | 5 | 70.9 at α=6.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca0012h-sa | 50,000 | 9 | 20.3 at α=4.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca0012h-sa | 50,000 | 5 | 22.8 at α=6.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca0012h-sa | 100,000 | 9 | 28.2 at α=6° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca0012h-sa | 100,000 | 5 | 33.5 at α=7.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca0012h-sa | 200,000 | 9 | 41.5 at α=7.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca0012h-sa | 200,000 | 5 | 46.6 at α=8.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca0012h-sa | 500,000 | 9 | 63.7 at α=8° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca0012h-sa | 500,000 | 5 | 66.2 at α=9.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca0012h-sa | 1,000,000 | 9 | 82 at α=9.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca0012h-sa | 1,000,000 | 5 | 81.9 at α=9° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| n6h20-il | 50,000 | 9 | 3.5 at α=10.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| n6h20-il | 50,000 | 5 | 6.1 at α=10.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| n6h20-il | 100,000 | 9 | 6 at α=10.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| n6h20-il | 100,000 | 5 | 8.5 at α=15° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| n6h20-il | 200,000 | 9 | 16.8 at α=16.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| n6h20-il | 200,000 | 5 | 14.2 at α=15° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| n6h20-il | 500,000 | 9 | 67.6 at α=8.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| n6h20-il | 500,000 | 5 | 50.5 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| n6h20-il | 1,000,000 | 9 | 83 at α=7.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| n6h20-il | 1,000,000 | 5 | 81.9 at α=5.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca643218-il | 50,000 | 9 | 21.9 at α=10.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca643218-il | 50,000 | 5 | 18 at α=10.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca643218-il | 100,000 | 9 | 41.5 at α=8.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca643218-il | 100,000 | 5 | 39.7 at α=7.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca643218-il | 200,000 | 9 | 62.3 at α=8° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca643218-il | 200,000 | 5 | 60.5 at α=7° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca643218-il | 500,000 | 9 | 89.6 at α=6.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca643218-il | 500,000 | 5 | 78.8 at α=5.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca643218-il | 1,000,000 | 9 | 106.4 at α=6° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca643218-il | 1,000,000 | 5 | 88.2 at α=4.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca16009-il | 50,000 | 9 | 18 at α=4.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca16009-il | 50,000 | 5 | 19.8 at α=3.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca16009-il | 100,000 | 9 | 25.1 at α=3.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca16009-il | 100,000 | 5 | 28.8 at α=2.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca16009-il | 200,000 | 9 | 39.4 at α=2.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca16009-il | 200,000 | 5 | 34.6 at α=2.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca16009-il | 500,000 | 9 | 44.6 at α=2.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca16009-il | 500,000 | 5 | 38 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca16009-il | 1,000,000 | 9 | 47 at α=2.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca16009-il | 1,000,000 | 5 | 47.1 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca23021-il | 50,000 | 9 | 18.6 at α=2.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca23021-il | 50,000 | 5 | 24.8 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca23021-il | 100,000 | 9 | 37 at α=6.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca23021-il | 100,000 | 5 | 35.7 at α=7.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca23021-il | 200,000 | 9 | 49.1 at α=7.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca23021-il | 200,000 | 5 | 42.7 at α=8.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca23021-il | 500,000 | 9 | 56.4 at α=7.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca23021-il | 500,000 | 5 | 50.5 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca23021-il | 1,000,000 | 9 | 64.3 at α=5.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca23021-il | 1,000,000 | 5 | 55.8 at α=7.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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