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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(s829-nr) NREL's S829 Airfoil | NREL HAWT airfoil S829 tip 16.0% Dia=20 to 40 m Re=2.0E+6 Clmax(S)=0.70 Clmax(R)=0.68 Restrained max lift coef Max thickness 16% at 48.3% chord Max camber 0.7% at 48.3% chord | Remove Airfoil details Airfoil plotter |
(s822-nr) NREL's S822 Airfoil | NREL HAWT airfoil S822 tip 16.0% Dia=2 to 10 m Re=6.0E+5 Clmax(S)=1.00 Clmax(R)=0.98 Restrained max lift coef Max thickness 16% at 39.2% chord Max camber 1.8% at 59.5% chord | Remove Airfoil details Airfoil plotter |
(s4110-il) S4110 | Selig S4110 low Reynolds number airfoil Max thickness 8.4% at 26.6% chord Max camber 3.1% at 45.4% chord | Remove Airfoil details Airfoil plotter |
(s826-nr) NREL's S826 Airfoil | NREL HAWT airfoil S826 tip 14.0% Dia=20 to 40 m Re=1.5E+6 Clmax(S)=1.42 Clmax(R)=1.31 High max lift coef Max thickness 14% at 33.7% chord Max camber 4.3% at 62% chord | Remove Airfoil details Airfoil plotter |
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Polars for (s829-nr,s822-nr,s4110-il,s826-nr)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| s829-nr | 50,000 | 9 | 22.4 at α=8.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s829-nr | 50,000 | 5 | 21 at α=7.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s829-nr | 100,000 | 9 | 33.1 at α=6.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s829-nr | 100,000 | 5 | 25.3 at α=7.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s829-nr | 200,000 | 9 | 47.5 at α=5.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s829-nr | 200,000 | 5 | 35.6 at α=6.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s829-nr | 500,000 | 9 | 63 at α=5.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s829-nr | 500,000 | 5 | 62.3 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s829-nr | 1,000,000 | 9 | 88.2 at α=5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s829-nr | 1,000,000 | 5 | 72.4 at α=3.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s822-nr | 50,000 | 9 | 27.7 at α=9.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s822-nr | 50,000 | 5 | 23.7 at α=9.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s822-nr | 100,000 | 9 | 42.7 at α=8.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s822-nr | 100,000 | 5 | 39.8 at α=7.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s822-nr | 200,000 | 9 | 68.6 at α=7° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s822-nr | 200,000 | 5 | 60.2 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s822-nr | 500,000 | 9 | 94.7 at α=5.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s822-nr | 500,000 | 5 | 85.1 at α=4.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s822-nr | 1,000,000 | 9 | 117.1 at α=4.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s822-nr | 1,000,000 | 5 | 96.9 at α=3.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s4110-il | 50,000 | 9 | 39.2 at α=6° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s4110-il | 50,000 | 5 | 40.8 at α=5.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s4110-il | 100,000 | 9 | 60.1 at α=5.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s4110-il | 100,000 | 5 | 57.9 at α=4.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s4110-il | 200,000 | 9 | 81.4 at α=4.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s4110-il | 200,000 | 5 | 73.5 at α=3.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s4110-il | 500,000 | 9 | 107.2 at α=3° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s4110-il | 500,000 | 5 | 89.9 at α=2.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s4110-il | 1,000,000 | 9 | 122.7 at α=2.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s4110-il | 1,000,000 | 5 | 99.9 at α=4.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s826-nr | 50,000 | 9 | 34.6 at α=9.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s826-nr | 50,000 | 5 | 34.4 at α=8° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s826-nr | 100,000 | 9 | 60.9 at α=8.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s826-nr | 100,000 | 5 | 60 at α=7° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s826-nr | 200,000 | 9 | 83 at α=7.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s826-nr | 200,000 | 5 | 81.4 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s826-nr | 500,000 | 9 | 114 at α=6.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s826-nr | 500,000 | 5 | 107.7 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s826-nr | 1,000,000 | 9 | 137.7 at α=5.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s826-nr | 1,000,000 | 5 | 126.7 at α=4.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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