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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(s805a-nr) NREL's S805A Airfoil | NREL HAWT airfoil S805A primary Max thickness 13.5% at 40% chord Max camber 2.1% at 35% chord | Remove Airfoil details Airfoil plotter |
(s808-nr) NREL's S808 Airfoil | NREL HAWT airfoil S808 root Max thickness 21% at 24.4% chord Max camber 2.4% at 72.9% chord | Remove Airfoil details Airfoil plotter |
(s816-nr) NREL's S816 Airfoil | NREL HAWT airfoil S816 primary 21.0% Dia=30 to 50 m Re=4.0E+6 Clmax(S)=1.20 Clmax(R)=1.17 Restrained max lift coef Max thickness 21% at 39% chord Max camber 1.8% at 67.6% chord | Remove Airfoil details Airfoil plotter |
(s814-nr) NREL's S814 Airfoil | NREL HAWT airfoil S814 root 24.0% Dia=20 to 30 m Re=1.5E+6 Clmax(S)=1.56 Clmax(R)=1.51 High max lift coef Max thickness 24.1% at 28.4% chord Max camber 3% at 74.5% chord | Remove Airfoil details Airfoil plotter |
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Polars for (s805a-nr,s808-nr,s816-nr,s814-nr)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| s805a-nr | 50,000 | 9 | 30.1 at α=9.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s805a-nr | 50,000 | 5 | 27.1 at α=9° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s805a-nr | 100,000 | 9 | 50.9 at α=8.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s805a-nr | 100,000 | 5 | 50.6 at α=7° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s805a-nr | 200,000 | 9 | 75.6 at α=7° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s805a-nr | 200,000 | 5 | 67 at α=6.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s805a-nr | 500,000 | 9 | 96.9 at α=6.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s805a-nr | 500,000 | 5 | 89.9 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s805a-nr | 1,000,000 | 9 | 117.4 at α=5.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s805a-nr | 1,000,000 | 5 | 103.3 at α=4.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s808-nr | 50,000 | 9 | 8.2 at α=0° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s808-nr | 50,000 | 5 | 24.6 at α=7.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s808-nr | 100,000 | 9 | 36.5 at α=9° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s808-nr | 100,000 | 5 | 41.4 at α=8.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s808-nr | 200,000 | 9 | 55.1 at α=9° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s808-nr | 200,000 | 5 | 56 at α=8° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s808-nr | 500,000 | 9 | 78.9 at α=8.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s808-nr | 500,000 | 5 | 76.6 at α=8° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s808-nr | 1,000,000 | 9 | 98.5 at α=8.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s808-nr | 1,000,000 | 5 | 92.8 at α=8.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s816-nr | 50,000 | 9 | 16.9 at α=13° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s816-nr | 50,000 | 5 | 12.9 at α=12.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s816-nr | 100,000 | 9 | 21 at α=11.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s816-nr | 100,000 | 5 | 22.2 at α=10.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s816-nr | 200,000 | 9 | 59 at α=8.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s816-nr | 200,000 | 5 | 60.6 at α=7.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s816-nr | 500,000 | 9 | 96.9 at α=7.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s816-nr | 500,000 | 5 | 91 at α=6.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s816-nr | 1,000,000 | 9 | 121.4 at α=7° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s816-nr | 1,000,000 | 5 | 108.8 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s814-nr | 50,000 | 9 | 4.4 at α=14.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s814-nr | 50,000 | 5 | 10.9 at α=14° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s814-nr | 100,000 | 9 | 35.2 at α=11° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s814-nr | 100,000 | 5 | 40.1 at α=9.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s814-nr | 200,000 | 9 | 58.3 at α=9.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s814-nr | 200,000 | 5 | 58.8 at α=8.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s814-nr | 500,000 | 9 | 84.4 at α=8.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s814-nr | 500,000 | 5 | 80.8 at α=7.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s814-nr | 1,000,000 | 9 | 104.7 at α=8° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s814-nr | 1,000,000 | 5 | 97.1 at α=6.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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