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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(goe650-il) GOE 650 AIRFOIL | Gottingen 650 airfoil Max thickness 13.4% at 19.5% chord Max camber 4.4% at 49.5% chord | Remove Airfoil details Airfoil plotter |
(goe502-il) GOE 502 AIRFOIL | Gottingen 502 airfoil Max thickness 15.9% at 29.3% chord Max camber 6.1% at 49.4% chord | Remove Airfoil details Airfoil plotter |
(s8055-il) S8055 (12%) | Selig S8055 (12%) low Reynolds number airfoil Max thickness 12% at 33.9% chord Max camber 1.6% at 44.7% chord | Remove Airfoil details Airfoil plotter |
(goe423-il) GOE 423 AIRFOIL | Gottingen 423 airfoil Max thickness 16.9% at 39.7% chord Max camber 5.1% at 39.7% chord | Remove Airfoil details Airfoil plotter |
(sd7032-il) SD7032-099-88 | Selig/Donovan SD7032 low Reynolds number airfoil Max thickness 10% at 26.6% chord Max camber 3.4% at 45.1% chord | Remove Airfoil details Airfoil plotter |
(s825-nr) NREL's S825 Airfoil | NREL HAWT airfoil S825 primary 17.0% Dia=20 to 40 m Re=2.0E+6 Clmax(S)=1.44 Clmax(R)=1.37 High max lift coef Max thickness 17.1% at 29.9% chord Max camber 3.9% at 65.3% chord | Remove Airfoil details Airfoil plotter |
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Polars for (goe650-il,goe502-il,s8055-il,goe423-il,sd7032-il,s825-nr)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| goe650-il | 50,000 | 9 | 31.8 at α=7.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe650-il | 50,000 | 5 | 34.8 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe650-il | 100,000 | 9 | 56 at α=5.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe650-il | 100,000 | 5 | 53.9 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe650-il | 200,000 | 9 | 79 at α=4.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe650-il | 200,000 | 5 | 70.5 at α=4.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe650-il | 500,000 | 9 | 101.6 at α=4.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe650-il | 500,000 | 5 | 83.5 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe650-il | 1,000,000 | 9 | 109.6 at α=5.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe650-il | 1,000,000 | 5 | 96.4 at α=7.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe502-il | 50,000 | 9 | 5.4 at α=8.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe502-il | 50,000 | 5 | 18.7 at α=4.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe502-il | 100,000 | 9 | 42.1 at α=11° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe502-il | 100,000 | 5 | 53 at α=7° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe502-il | 200,000 | 9 | 76 at α=6.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe502-il | 200,000 | 5 | 75.1 at α=5.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe502-il | 500,000 | 9 | 106.7 at α=6° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe502-il | 500,000 | 5 | 100.4 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe502-il | 1,000,000 | 9 | 132.2 at α=5.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe502-il | 1,000,000 | 5 | 112.7 at α=7.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s8055-il | 50,000 | 9 | 32.2 at α=7° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s8055-il | 50,000 | 5 | 32.7 at α=6.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s8055-il | 100,000 | 9 | 50.8 at α=5.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s8055-il | 100,000 | 5 | 48.3 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s8055-il | 200,000 | 9 | 71 at α=4.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s8055-il | 200,000 | 5 | 62.3 at α=4.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s8055-il | 500,000 | 9 | 86.2 at α=4.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s8055-il | 500,000 | 5 | 74.9 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s8055-il | 1,000,000 | 9 | 95 at α=6° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s8055-il | 1,000,000 | 5 | 88.7 at α=6.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe423-il | 50,000 | 9 | 4.7 at α=10° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe423-il | 50,000 | 5 | 14.4 at α=0.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe423-il | 100,000 | 9 | 22.8 at α=0.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe423-il | 100,000 | 5 | 40.2 at α=8° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe423-il | 200,000 | 9 | 69.3 at α=9.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe423-il | 200,000 | 5 | 70.5 at α=7.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe423-il | 500,000 | 9 | 105.9 at α=7.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe423-il | 500,000 | 5 | 101.1 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe423-il | 1,000,000 | 9 | 133.4 at α=6.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe423-il | 1,000,000 | 5 | 124.5 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sd7032-il | 50,000 | 9 | 31.9 at α=7.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sd7032-il | 50,000 | 5 | 39.8 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sd7032-il | 100,000 | 9 | 56.3 at α=5.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sd7032-il | 100,000 | 5 | 58 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sd7032-il | 200,000 | 9 | 77.9 at α=4.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sd7032-il | 200,000 | 5 | 75.1 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sd7032-il | 500,000 | 9 | 105.4 at α=4.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sd7032-il | 500,000 | 5 | 97.8 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sd7032-il | 1,000,000 | 9 | 125.3 at α=4.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sd7032-il | 1,000,000 | 5 | 114.5 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s825-nr | 50,000 | 9 | 29.3 at α=10.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s825-nr | 50,000 | 5 | 32.2 at α=8.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s825-nr | 100,000 | 9 | 50.3 at α=8.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s825-nr | 100,000 | 5 | 52.8 at α=7.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s825-nr | 200,000 | 9 | 70.1 at α=8° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s825-nr | 200,000 | 5 | 70.5 at α=7° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s825-nr | 500,000 | 9 | 97.4 at α=7° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s825-nr | 500,000 | 5 | 94 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s825-nr | 1,000,000 | 9 | 118.9 at α=6° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s825-nr | 1,000,000 | 5 | 111 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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