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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(k3311-il) K3311 (original) | Leon Kincaid K3311 airfoil (original) Max thickness 11% at 30% chord Max camber 3.3% at 40% chord | Remove Airfoil details Airfoil plotter |
(s806a-nr) NREL's S806A Airfoil (modified line 35) | NREL HAWT airfoil S806A tip Max thickness 11.5% at 45% chord Max camber 2.8% at 45% chord | Remove Airfoil details Airfoil plotter |
(goe411-il) GOE 411 AIRFOIL | Gottingen 411 airfoil Max thickness 13.2% at 30% chord Max camber 0% at 0% chord | Remove Airfoil details Airfoil plotter |
(s804-nr) NREL's S804 Airfoil | NREL HAWT airfoil S804 root Not recommended Max thickness 17.9% at 26.7% chord Max camber 4.2% at 39.6% chord | Remove Airfoil details Airfoil plotter |
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Polars for (k3311-il,s806a-nr,goe411-il,s804-nr)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| k3311-il | 50,000 | 9 | 34.7 at α=9.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| k3311-il | 50,000 | 5 | 36.5 at α=7.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| k3311-il | 100,000 | 9 | 55.9 at α=8° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| k3311-il | 100,000 | 5 | 56.9 at α=7° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| k3311-il | 200,000 | 9 | 77.4 at α=7° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| k3311-il | 200,000 | 5 | 76.2 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| k3311-il | 500,000 | 9 | 107.3 at α=5.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| k3311-il | 500,000 | 5 | 100.2 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| k3311-il | 1,000,000 | 9 | 129.5 at α=5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| k3311-il | 1,000,000 | 5 | 116.4 at α=4° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s806a-nr | 50,000 | 9 | 34.4 at α=7.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s806a-nr | 100,000 | 9 | 53.3 at α=7° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s806a-nr | 200,000 | 9 | 76.1 at α=5.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s806a-nr | 500,000 | 9 | 107.6 at α=4.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s806a-nr | 1,000,000 | 9 | 119.2 at α=3.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe411-il | 50,000 | 9 | 30.1 at α=5.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe411-il | 50,000 | 5 | 28 at α=4.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe411-il | 100,000 | 9 | 40.7 at α=4.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe411-il | 100,000 | 5 | 34.1 at α=4° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe411-il | 200,000 | 9 | 43.7 at α=3.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe411-il | 200,000 | 5 | 35.6 at α=3.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe411-il | 500,000 | 9 | 45.8 at α=3.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe411-il | 500,000 | 5 | 42.9 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe411-il | 1,000,000 | 9 | 48.7 at α=6.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe411-il | 1,000,000 | 5 | 53.4 at α=7° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s804-nr | 50,000 | 9 | 4.8 at α=8° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s804-nr | 50,000 | 5 | 22.2 at α=4.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s804-nr | 100,000 | 9 | 28.6 at α=4° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s804-nr | 100,000 | 5 | 45.2 at α=7° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s804-nr | 200,000 | 9 | 58.2 at α=11.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s804-nr | 200,000 | 5 | 67.9 at α=9.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s804-nr | 500,000 | 9 | 98.1 at α=9.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s804-nr | 500,000 | 5 | 98.6 at α=9.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s804-nr | 1,000,000 | 9 | 128 at α=10.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s804-nr | 1,000,000 | 5 | 125.5 at α=9° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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