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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(fx74cl5140-il) FX74_CL5_140 | Wortmann FX 74-CL5-140 high lift airfoil Max thickness 14% at 30.9% chord Max camber 9.9% at 37.1% chord | Remove Airfoil details Airfoil plotter |
(fx83w108-il) FX 83-W-108 | Wortmann FX 83-W-108 airfoil for use on wind turbines (W) Max thickness 10.9% at 30.9% chord Max camber 4.2% at 53.3% chord | Remove Airfoil details Airfoil plotter |
(fx79w660a-il) FX 79-W-660A | Wortman FX 79-W-660A airfoil for use on wind turbines (W) Max thickness 66.4% at 46.7% chord Max camber 2.3% at 17% chord | Remove Airfoil details Airfoil plotter |
(fx78k140-il) FX 78-K-140/20 | Wortmann FX 78-K-140/20 airfoil for use with flaps (K) Max thickness 14.1% at 43.5% chord Max camber 4.4% at 43.5% chord | Remove Airfoil details Airfoil plotter |
(fx66s161-il) FX 66-S-161 AIRFOIL | Wortmann FX 66-S-161 airfoil Max thickness 16.1% at 33.9% chord Max camber 3.9% at 43.5% chord | Remove Airfoil details Airfoil plotter |
(fx67k170-il) FX 67-K-170/17 AIRFOIL | Wortmann FX 67-K-170/17 airfoil Max thickness 17% at 40.2% chord Max camber 5.1% at 43.5% chord | Remove Airfoil details Airfoil plotter |
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Polars for (fx74cl5140-il,fx83w108-il,fx79w660a-il,fx78k140-il,fx66s161-il,fx67k170-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| fx74cl5140-il | 50,000 | 9 | 6.4 at α=5.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx74cl5140-il | 50,000 | 5 | 18.3 at α=1° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx74cl5140-il | 100,000 | 9 | 33.1 at α=0.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx74cl5140-il | 100,000 | 5 | 46.8 at α=2.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx74cl5140-il | 200,000 | 9 | 72.7 at α=10° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx74cl5140-il | 200,000 | 5 | 73.8 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx74cl5140-il | 500,000 | 9 | 118.8 at α=9° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx74cl5140-il | 500,000 | 5 | 115.5 at α=6.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx74cl5140-il | 1,000,000 | 9 | 156.9 at α=8.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx74cl5140-il | 1,000,000 | 5 | 149.7 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx83w108-il | 50,000 | 9 | 36.8 at α=8° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx83w108-il | 50,000 | 5 | 34.5 at α=7.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx83w108-il | 100,000 | 9 | 61 at α=7° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx83w108-il | 100,000 | 5 | 60.4 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx83w108-il | 200,000 | 9 | 90.5 at α=6° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx83w108-il | 200,000 | 5 | 86.8 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx83w108-il | 500,000 | 9 | 129.6 at α=4.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx83w108-il | 500,000 | 5 | 117.7 at α=3.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx83w108-il | 1,000,000 | 9 | 157.2 at α=3.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx83w108-il | 1,000,000 | 5 | 115.4 at α=2.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx79w660a-il | 50,000 | 9 | 0.8 at α=9.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx79w660a-il | 50,000 | 5 | 3 at α=-10.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx79w660a-il | 100,000 | 9 | 5.2 at α=-10.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx79w660a-il | 100,000 | 5 | 5.5 at α=-5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx79w660a-il | 200,000 | 9 | 8.7 at α=0.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx79w660a-il | 200,000 | 5 | 6 at α=-2.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx79w660a-il | 500,000 | 9 | 5 at α=13.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx79w660a-il | 500,000 | 5 | 4.7 at α=15.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx79w660a-il | 1,000,000 | 9 | 6.5 at α=16.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx79w660a-il | 1,000,000 | 5 | 5.4 at α=15.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx78k140-il | 50,000 | 9 | 16.3 at α=12.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx78k140-il | 50,000 | 5 | 15 at α=11.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx78k140-il | 100,000 | 9 | 26.2 at α=10° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx78k140-il | 100,000 | 5 | 27.2 at α=9.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx78k140-il | 200,000 | 9 | 54.2 at α=8.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx78k140-il | 200,000 | 5 | 53.8 at α=8° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx78k140-il | 500,000 | 9 | 125.1 at α=6.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx78k140-il | 500,000 | 5 | 122.5 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx78k140-il | 1,000,000 | 9 | 162.5 at α=5.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx78k140-il | 1,000,000 | 5 | 153.1 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx66s161-il | 50,000 | 9 | 5.3 at α=9° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx66s161-il | 50,000 | 5 | 16.2 at α=3.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx66s161-il | 100,000 | 9 | 16.6 at α=2° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx66s161-il | 100,000 | 5 | 42.4 at α=7.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx66s161-il | 200,000 | 9 | 73.8 at α=10° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx66s161-il | 200,000 | 5 | 75.7 at α=9.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx66s161-il | 500,000 | 9 | 116 at α=8.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx66s161-il | 500,000 | 5 | 114.9 at α=7.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx66s161-il | 1,000,000 | 9 | 148.7 at α=7.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx66s161-il | 1,000,000 | 5 | 134.5 at α=7.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx67k170-il | 50,000 | 9 | 5 at α=11.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx67k170-il | 50,000 | 5 | 11.8 at α=14.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx67k170-il | 100,000 | 9 | 20.1 at α=13.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx67k170-il | 100,000 | 5 | 19.9 at α=12.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx67k170-il | 200,000 | 9 | 36.6 at α=11.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx67k170-il | 200,000 | 5 | 48.2 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx67k170-il | 500,000 | 9 | 116.9 at α=8° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx67k170-il | 500,000 | 5 | 111.4 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx67k170-il | 1,000,000 | 9 | 152.7 at α=6.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx67k170-il | 1,000,000 | 5 | 141.3 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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