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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(s4062-il) S4062-095-87 | Selig S4062 low Reynolds number airfoil Max thickness 9.5% at 31.7% chord Max camber 4% at 50.4% chord | Remove Airfoil details Airfoil plotter |
(goe371-il) GOE 371 AIRFOIL | Gottingen 371 airfoil Max thickness 7% at 29.9% chord Max camber 4.6% at 39.9% chord | Remove Airfoil details Airfoil plotter |
(s812-nr) NREL's S812 Airfoil | NREL HAWT airfoil S812 primary Max thickness 21% at 39.6% chord Max camber 1.6% at 77% chord | Remove Airfoil details Airfoil plotter |
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Polars for (s4062-il,goe371-il,s812-nr)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| s4062-il | 50,000 | 9 | 38.7 at α=8° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s4062-il | 50,000 | 5 | 38.4 at α=7.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s4062-il | 100,000 | 9 | 62.7 at α=7° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s4062-il | 100,000 | 5 | 61.9 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s4062-il | 200,000 | 9 | 90.5 at α=6° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s4062-il | 200,000 | 5 | 86.3 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s4062-il | 500,000 | 9 | 128.5 at α=4.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s4062-il | 500,000 | 5 | 114.5 at α=3.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s4062-il | 1,000,000 | 9 | 155 at α=3.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s4062-il | 1,000,000 | 5 | 131 at α=2.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe371-il | 50,000 | 9 | 37.6 at α=6.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe371-il | 50,000 | 5 | 43.3 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe371-il | 100,000 | 9 | 61.1 at α=5.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe371-il | 100,000 | 5 | 62.1 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe371-il | 200,000 | 9 | 82 at α=4° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe371-il | 200,000 | 5 | 80 at α=5.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe371-il | 500,000 | 9 | 108.6 at α=5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe371-il | 500,000 | 5 | 103.9 at α=4.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe371-il | 1,000,000 | 9 | 129.8 at α=4.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe371-il | 1,000,000 | 5 | 120.9 at α=3.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s812-nr | 50,000 | 9 | 17.4 at α=13.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s812-nr | 50,000 | 5 | 14.2 at α=11.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s812-nr | 100,000 | 9 | 23.9 at α=11° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s812-nr | 100,000 | 5 | 25.8 at α=10° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s812-nr | 200,000 | 9 | 56.2 at α=9° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s812-nr | 200,000 | 5 | 59.6 at α=7.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s812-nr | 500,000 | 9 | 92.4 at α=7.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s812-nr | 500,000 | 5 | 87.4 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s812-nr | 1,000,000 | 9 | 116.5 at α=6.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s812-nr | 1,000,000 | 5 | 105.2 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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