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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(goe428-il) GOE 428 AIRFOIL | Gottingen 428 airfoil Max thickness 7.9% at 30% chord Max camber 5.2% at 40% chord | Remove Airfoil details Airfoil plotter |
(sc20614-il) NASA SC(2)-0614 AIRFOIL | NASA SC(2)-0614 airfoil (NASA TP-2969) Max thickness 14% at 36% chord Max camber 2.1% at 81% chord | Remove Airfoil details Airfoil plotter |
(fx60177-il) FX 60-177 AIRFOIL | Wortmann FX 60-177 airfoil Max thickness 17.7% at 37.1% chord Max camber 2.7% at 77.8% chord | Remove Airfoil details Airfoil plotter |
(s827-nr) NREL's S827 Airfoil | NREL HAWT airfoil S827 primary 21.0% Dia=40 to 50 m Re=4.0E+6 Clmax(S)=1.00 Clmax(R)=0.99 Restrained max lift coef Max thickness 21% at 44.9% chord Max camber 2.2% at 68% chord | Remove Airfoil details Airfoil plotter |
(goe775-il) GOE 775 AIRFOIL | Gottingen 775 airfoil Max thickness 21% at 30% chord Max camber 0% at 1.3% chord | Remove Airfoil details Airfoil plotter |
(sd2083-il) SD2083 (9.0%) | Selig/Donovan SD2083 low Reynolds number airfoil Max thickness 9% at 35.2% chord Max camber 2.5% at 49.6% chord | Remove Airfoil details Airfoil plotter |
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Polars for (goe428-il,sc20614-il,fx60177-il,s827-nr,goe775-il,sd2083-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| goe428-il | 50,000 | 9 | 38.6 at α=9° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe428-il | 50,000 | 5 | 40.5 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe428-il | 100,000 | 9 | 58.4 at α=7.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe428-il | 100,000 | 5 | 60.5 at α=5.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe428-il | 200,000 | 9 | 77.3 at α=6.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe428-il | 200,000 | 5 | 78.2 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe428-il | 500,000 | 9 | 104.2 at α=5.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe428-il | 500,000 | 5 | 102.5 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe428-il | 1,000,000 | 9 | 125 at α=5.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe428-il | 1,000,000 | 5 | 121.2 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sc20614-il | 50,000 | 9 | 26.4 at α=4° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sc20614-il | 50,000 | 5 | 22.7 at α=7° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sc20614-il | 100,000 | 9 | 28.8 at α=3.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sc20614-il | 100,000 | 5 | 31.7 at α=6.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sc20614-il | 200,000 | 9 | 38.9 at α=2.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sc20614-il | 200,000 | 5 | 44.5 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sc20614-il | 500,000 | 9 | 62.7 at α=1° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sc20614-il | 500,000 | 5 | 64.3 at α=6.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sc20614-il | 1,000,000 | 9 | 77.6 at α=6.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sc20614-il | 1,000,000 | 5 | 80.1 at α=7.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx60177-il | 50,000 | 9 | 24.2 at α=9° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx60177-il | 50,000 | 5 | 25 at α=10° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx60177-il | 100,000 | 9 | 40.4 at α=9° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx60177-il | 100,000 | 5 | 37.3 at α=7.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx60177-il | 200,000 | 9 | 49.3 at α=5.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx60177-il | 200,000 | 5 | 53.3 at α=4.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx60177-il | 500,000 | 9 | 81.5 at α=3° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx60177-il | 500,000 | 5 | 74.6 at α=1.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx60177-il | 1,000,000 | 9 | 105.5 at α=1.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx60177-il | 1,000,000 | 5 | 85.8 at α=3.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s827-nr | 50,000 | 9 | 16.5 at α=12.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s827-nr | 50,000 | 5 | 14 at α=11.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s827-nr | 100,000 | 9 | 20.4 at α=10.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s827-nr | 100,000 | 5 | 21.3 at α=10° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s827-nr | 200,000 | 9 | 35.6 at α=9.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s827-nr | 200,000 | 5 | 35 at α=8.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s827-nr | 500,000 | 9 | 84.4 at α=6.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s827-nr | 500,000 | 5 | 81.3 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s827-nr | 1,000,000 | 9 | 121.4 at α=6° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s827-nr | 1,000,000 | 5 | 109.6 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe775-il | 50,000 | 9 | 18.9 at α=4.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe775-il | 50,000 | 5 | 25.1 at α=7° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe775-il | 100,000 | 9 | 36.9 at α=7.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe775-il | 100,000 | 5 | 35.8 at α=8.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe775-il | 200,000 | 9 | 48.4 at α=8.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe775-il | 200,000 | 5 | 43.4 at α=9.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe775-il | 500,000 | 9 | 60.3 at α=9.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe775-il | 500,000 | 5 | 56.6 at α=8.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe775-il | 1,000,000 | 9 | 74.6 at α=8.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe775-il | 1,000,000 | 5 | 69.8 at α=8.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sd2083-il | 50,000 | 9 | 37.4 at α=7° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sd2083-il | 50,000 | 5 | 38.3 at α=6.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sd2083-il | 100,000 | 9 | 58.1 at α=6° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sd2083-il | 100,000 | 5 | 56.4 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sd2083-il | 200,000 | 9 | 80.3 at α=5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sd2083-il | 200,000 | 5 | 74 at α=4.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sd2083-il | 500,000 | 9 | 109 at α=3.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sd2083-il | 500,000 | 5 | 93.3 at α=3° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sd2083-il | 1,000,000 | 9 | 127.3 at α=3° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sd2083-il | 1,000,000 | 5 | 102.9 at α=2.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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