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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(fx74cl6140-il) FX 74-CL6-140 | Wortmann FX 74-CL6-140 airfoil Max thickness 14.1% at 30.9% chord Max camber 7.1% at 33.9% chord | Remove Airfoil details Airfoil plotter |
(goe155-il) GOE 155 (SSW D.1) AIRFOIL | Gottingen 155 (SSW D.1) airfoil Max thickness 7% at 29.9% chord Max camber 5.3% at 39.9% chord | Remove Airfoil details Airfoil plotter |
(ah94w301-il) AH 94-W-301 | Althaus AH 94-W-301 airfoil for use on wind turbines (W) Max thickness 30.1% at 30.9% chord Max camber 1.3% at 80.4% chord | Remove Airfoil details Airfoil plotter |
(ah79k132-il) AH 79-K-132/20 | Althaus AH 79-K-132/20 airfoil for use with flaps (K) Max thickness 13.2% at 40.2% chord Max camber 3.7% at 40.2% chord | Remove Airfoil details Airfoil plotter |
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Polars for (fx74cl6140-il,goe155-il,ah94w301-il,ah79k132-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| fx74cl6140-il | 50,000 | 9 | 5.8 at α=6.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx74cl6140-il | 50,000 | 5 | 18.9 at α=0.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx74cl6140-il | 100,000 | 9 | 19.9 at α=-0.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx74cl6140-il | 100,000 | 5 | 40.7 at α=4° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx74cl6140-il | 200,000 | 9 | 48.3 at α=5.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx74cl6140-il | 200,000 | 5 | 72 at α=7° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx74cl6140-il | 500,000 | 9 | 114.8 at α=11.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx74cl6140-il | 500,000 | 5 | 120.5 at α=8.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx74cl6140-il | 1,000,000 | 9 | 157.9 at α=9.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx74cl6140-il | 1,000,000 | 5 | 158.6 at α=9° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe155-il | 50,000 | 9 | 40.1 at α=8.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe155-il | 50,000 | 5 | 42.4 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe155-il | 100,000 | 9 | 59.8 at α=5.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe155-il | 100,000 | 5 | 61.6 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe155-il | 200,000 | 9 | 82.6 at α=4.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe155-il | 200,000 | 5 | 78.6 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe155-il | 500,000 | 9 | 107.7 at α=3° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe155-il | 500,000 | 5 | 98.6 at α=4.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe155-il | 1,000,000 | 9 | 123.2 at α=4.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe155-il | 1,000,000 | 5 | 111 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ah94w301-il | 50,000 | 9 | 3.3 at α=-3.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ah94w301-il | 50,000 | 5 | 4.2 at α=13.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ah94w301-il | 100,000 | 9 | 6.6 at α=0° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ah94w301-il | 100,000 | 5 | 23.4 at α=7.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ah94w301-il | 200,000 | 9 | 41.7 at α=12.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ah94w301-il | 200,000 | 5 | 49.2 at α=10° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ah94w301-il | 500,000 | 9 | 77.5 at α=10.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ah94w301-il | 500,000 | 5 | 76.9 at α=9.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ah94w301-il | 1,000,000 | 9 | 103 at α=9.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ah94w301-il | 1,000,000 | 5 | 99 at α=8.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ah79k132-il | 50,000 | 9 | 21.8 at α=11.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ah79k132-il | 50,000 | 5 | 22.4 at α=10.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ah79k132-il | 100,000 | 9 | 47.8 at α=9.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ah79k132-il | 100,000 | 5 | 45.2 at α=8.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ah79k132-il | 200,000 | 9 | 79.2 at α=7.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ah79k132-il | 200,000 | 5 | 78.4 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ah79k132-il | 500,000 | 9 | 115 at α=6.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ah79k132-il | 500,000 | 5 | 100 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ah79k132-il | 1,000,000 | 9 | 130.6 at α=5.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ah79k132-il | 1,000,000 | 5 | 116.7 at α=3.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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