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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(fx66a175-il) WORTMANN FX 66-17A-175 AIRFOIL | Wortmann FX 66-17A-175 airfoil Max thickness 17.5% at 33.9% chord Max camber 4.2% at 40.2% chord | Remove Airfoil details Airfoil plotter |
(e435-il) EPPLER 435 AIRFOIL | Eppler E435 sailplane airfoil Max thickness 16.2% at 40.9% chord Max camber 4.4% at 56.2% chord | Remove Airfoil details Airfoil plotter |
(fx74130wp1-il) FX 74-130 WP1 | Wortmann FX 74-130 WP1 airfoil Max thickness 13% at 46.7% chord Max camber 3.8% at 50% chord | Remove Airfoil details Airfoil plotter |
(fx74130wp2-il) 74-130 WP2 | Wortmann 74-130 WP2 airfoil Max thickness 13% at 43.5% chord Max camber 3.9% at 46.7% chord | Remove Airfoil details Airfoil plotter |
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Polars for (fx66a175-il,e435-il,fx74130wp1-il,fx74130wp2-il)
Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
---|---|---|---|---|---|---|---|
fx66a175-il | 50,000 | 9 | 4.9 at α=10.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
fx66a175-il | 50,000 | 5 | 12.3 at α=1.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
fx66a175-il | 100,000 | 9 | 12.6 at α=1.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
fx66a175-il | 100,000 | 5 | 34.2 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
fx66a175-il | 200,000 | 9 | 70.1 at α=9.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
fx66a175-il | 200,000 | 5 | 71.5 at α=9° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
fx66a175-il | 500,000 | 9 | 103.3 at α=8.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
fx66a175-il | 500,000 | 5 | 100.6 at α=7.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
fx66a175-il | 1,000,000 | 9 | 128.4 at α=7.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
fx66a175-il | 1,000,000 | 5 | 124.1 at α=7.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
e435-il | 50,000 | 9 | 7.6 at α=10.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
e435-il | 50,000 | 5 | 19.4 at α=11.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
e435-il | 100,000 | 9 | 48 at α=10.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
e435-il | 100,000 | 5 | 44.8 at α=8° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
e435-il | 200,000 | 9 | 79.3 at α=8° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
e435-il | 200,000 | 5 | 78.3 at α=6.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
e435-il | 500,000 | 9 | 119.5 at α=6.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
e435-il | 500,000 | 5 | 111.8 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
e435-il | 1,000,000 | 9 | 148.7 at α=5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
e435-il | 1,000,000 | 5 | 133 at α=3.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
fx74130wp1-il | 50,000 | 9 | 24.1 at α=10° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
fx74130wp1-il | 50,000 | 5 | 23.8 at α=9.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
fx74130wp1-il | 100,000 | 9 | 39.7 at α=9° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
fx74130wp1-il | 100,000 | 5 | 39.8 at α=8.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
fx74130wp1-il | 200,000 | 9 | 72 at α=7.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
fx74130wp1-il | 200,000 | 5 | 71.2 at α=6.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
fx74130wp1-il | 500,000 | 9 | 119.3 at α=5.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
fx74130wp1-il | 500,000 | 5 | 115.8 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
fx74130wp1-il | 1,000,000 | 9 | 152.6 at α=4.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
fx74130wp1-il | 1,000,000 | 5 | 145.6 at α=3.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
fx74130wp2-il | 50,000 | 9 | 23.1 at α=10.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
fx74130wp2-il | 50,000 | 5 | 22.1 at α=10° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
fx74130wp2-il | 100,000 | 9 | 37 at α=9.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
fx74130wp2-il | 100,000 | 5 | 36.5 at α=8.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
fx74130wp2-il | 200,000 | 9 | 72.6 at α=8° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
fx74130wp2-il | 200,000 | 5 | 75.3 at α=7° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
fx74130wp2-il | 500,000 | 9 | 125.8 at α=6.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
fx74130wp2-il | 500,000 | 5 | 119.5 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
fx74130wp2-il | 1,000,000 | 9 | 161.4 at α=5.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
fx74130wp2-il | 1,000,000 | 5 | 150.8 at α=4.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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