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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(goe679-il) GOE 679 AIRFOIL | Gottingen 679 airfoil Max thickness 18.3% at 29.1% chord Max camber 4.5% at 39.1% chord | Remove Airfoil details Airfoil plotter |
(goe182-il) GOE 182 (MVA H.27) AIRFOIL | Gottingen 182 (MVA H.27) airfoil Max thickness 9.5% at 19.9% chord Max camber 5.3% at 39.9% chord | Remove Airfoil details Airfoil plotter |
(fx77w121-il) FX 77-W-121 | Wortmann FX 77-W-121 airfoil for use on wind turbines (W) Max thickness 12.1% at 30.9% chord Max camber 4.6% at 30.9% chord | Remove Airfoil details Airfoil plotter |
(ah81k144wfklappe-il) AH 81-K-144 W-F KLAPPE | Althaus AH 81-K-144 W-F KLAPPE airfoil for use with flaps (K) Max thickness 22% at 17% chord Max camber 1.1% at 56.5% chord | Remove Airfoil details Airfoil plotter |
(goe359-il) GOE 359 AIRFOIL | Gottingen 359 airfoil Max thickness 7.8% at 30% chord Max camber 5.8% at 40% chord | Remove Airfoil details Airfoil plotter |
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Polars for (goe679-il,goe182-il,fx77w121-il,ah81k144wfklappe-il,goe359-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| goe679-il | 50,000 | 9 | 5.4 at α=2.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe679-il | 50,000 | 5 | 25.1 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe679-il | 100,000 | 9 | 42.7 at α=4.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe679-il | 100,000 | 5 | 41.6 at α=5.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe679-il | 200,000 | 9 | 58.1 at α=5.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe679-il | 200,000 | 5 | 54.2 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe679-il | 500,000 | 9 | 76.3 at α=5.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe679-il | 500,000 | 5 | 72.4 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe679-il | 1,000,000 | 9 | 95.9 at α=5.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe679-il | 1,000,000 | 5 | 88.8 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe182-il | 50,000 | 9 | 29.2 at α=3° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe182-il | 50,000 | 5 | 36.5 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe182-il | 100,000 | 9 | 48.6 at α=11° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe182-il | 100,000 | 5 | 51.5 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe182-il | 200,000 | 9 | 68.6 at α=10.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe182-il | 200,000 | 5 | 69.4 at α=9.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe182-il | 500,000 | 9 | 98 at α=9.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe182-il | 500,000 | 5 | 97.9 at α=8.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe182-il | 1,000,000 | 9 | 122.5 at α=8.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe182-il | 1,000,000 | 5 | 119.8 at α=7° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx77w121-il | 50,000 | 9 | 8.1 at α=-1.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx77w121-il | 50,000 | 5 | 18 at α=3.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx77w121-il | 100,000 | 9 | 19 at α=2° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx77w121-il | 100,000 | 5 | 37.5 at α=8° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx77w121-il | 200,000 | 9 | 71.9 at α=10.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx77w121-il | 200,000 | 5 | 73.6 at α=9.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx77w121-il | 500,000 | 9 | 115.5 at α=9° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx77w121-il | 500,000 | 5 | 114.3 at α=8.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx77w121-il | 1,000,000 | 9 | 149.2 at α=8° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx77w121-il | 1,000,000 | 5 | 145.3 at α=7.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ah81k144wfklappe-il | 50,000 | 9 | 4.2 at α=-2° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ah81k144wfklappe-il | 50,000 | 5 | 2.7 at α=9.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ah81k144wfklappe-il | 100,000 | 9 | 3.8 at α=-1.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ah81k144wfklappe-il | 100,000 | 5 | 10 at α=4° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ah81k144wfklappe-il | 200,000 | 9 | 10.5 at α=5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ah81k144wfklappe-il | 200,000 | 5 | 35.4 at α=10° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ah81k144wfklappe-il | 500,000 | 9 | 68.9 at α=12° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ah81k144wfklappe-il | 500,000 | 5 | 66.7 at α=10.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ah81k144wfklappe-il | 1,000,000 | 9 | 89.7 at α=13° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ah81k144wfklappe-il | 1,000,000 | 5 | 68.5 at α=10.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe359-il | 50,000 | 9 | 35.9 at α=9.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe359-il | 50,000 | 5 | 41.5 at α=7.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe359-il | 100,000 | 9 | 61.5 at α=7.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe359-il | 100,000 | 5 | 63 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe359-il | 200,000 | 9 | 83.4 at α=5.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe359-il | 200,000 | 5 | 82 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe359-il | 500,000 | 9 | 110.8 at α=4.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe359-il | 500,000 | 5 | 103.9 at α=3.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe359-il | 1,000,000 | 9 | 130.6 at α=3.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe359-il | 1,000,000 | 5 | 103.8 at α=4° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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