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 |
(sd7003-il) SD7003-085-88 | Selig/Donovan SD7003 low Reynolds number airfoil Max thickness 8.5% at 24.4% chord Max camber 1.2% at 38.3% chord | Remove Airfoil details Airfoil plotter |
(s801-nr) NREL's S801 Airfoil | NREL HAWT airfoil S801 primary 13.5% Not recommended Max thickness 13.5% at 37.8% chord Max camber 3.7% at 47.1% chord | Remove Airfoil details Airfoil plotter |
(s9032-il) S9032 (9%) | Selig S9032 (9%) symmetrical horizontal stab airfoil used on the Blackhawk R/C sailplane Max thickness 9% at 25% chord Max camber 0% at 0% chord | Remove Airfoil details Airfoil plotter |
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Polars for (s829-nr,sd7003-il,s801-nr,s9032-il)
| 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 | |
| sd7003-il | 50,000 | 9 | 29.3 at α=5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sd7003-il | 50,000 | 5 | 32.7 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sd7003-il | 100,000 | 9 | 43.3 at α=5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sd7003-il | 100,000 | 5 | 45.1 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sd7003-il | 200,000 | 9 | 58.1 at α=5.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sd7003-il | 200,000 | 5 | 58 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sd7003-il | 500,000 | 9 | 78.5 at α=5.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sd7003-il | 500,000 | 5 | 76 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sd7003-il | 1,000,000 | 9 | 93.7 at α=5.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sd7003-il | 1,000,000 | 5 | 89.1 at α=6.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s801-nr | 50,000 | 9 | 31.7 at α=9.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s801-nr | 50,000 | 5 | 27.1 at α=9.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s801-nr | 100,000 | 9 | 52.1 at α=8.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s801-nr | 100,000 | 5 | 52.2 at α=7.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s801-nr | 200,000 | 9 | 85.2 at α=7.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s801-nr | 200,000 | 5 | 80.2 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s801-nr | 500,000 | 9 | 118.8 at α=5.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s801-nr | 500,000 | 5 | 112 at α=4.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s801-nr | 1,000,000 | 9 | 147.3 at α=4.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s801-nr | 1,000,000 | 5 | 133.2 at α=3.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s9032-il | 50,000 | 9 | 23.5 at α=4.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s9032-il | 50,000 | 5 | 25 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s9032-il | 100,000 | 9 | 32.7 at α=4.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s9032-il | 100,000 | 5 | 34.2 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s9032-il | 200,000 | 9 | 43.2 at α=4.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s9032-il | 200,000 | 5 | 44.9 at α=6.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s9032-il | 500,000 | 9 | 60.2 at α=6.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s9032-il | 500,000 | 5 | 61 at α=7.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s9032-il | 1,000,000 | 9 | 74.2 at α=6.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s9032-il | 1,000,000 | 5 | 74.1 at α=7.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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