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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(s4158-il) S4158 | Selig S4158 low Reynolds number airfoil Max thickness 10.9% at 35.3% chord Max camber 3.7% at 44.7% chord | Remove Airfoil details Airfoil plotter |
(sc20612-il) NASA SC(2)-0612 AIRFOIL | NASA SC(2)-0612 airfoil (NASA TP-2969) Max thickness 12% at 37% chord Max camber 1.9% at 81% chord | Remove Airfoil details Airfoil plotter |
(sc20614-il) NASA SC(2)-0614 AIRFOIL | NASA SC(2)-0614 airfoil (NASA TP-2969) Max thickness 14% at 36% chord Max camber 2.1% at 81% chord | Remove Airfoil details Airfoil plotter |
(sc20406-il) NASA SC(2)-0406 AIRFOIL | NASA SC(2)-0406 airfoil (NASA TP-2969) Max thickness 6% at 35% chord Max camber 0.6% at 79% chord | Remove Airfoil details Airfoil plotter |
(s4053-il) S4053 | Selig S4053 low Reynolds number airfoil Max thickness 8.9% at 30.9% chord Max camber 3% at 45% chord | Remove Airfoil details Airfoil plotter |
(s4095-il) S4095 (designed for the E-flite UMX ASK-21 scale RC sailplane) | Selig airfoil for micro RC soaring. Used on the E-flite UMX ASK-21 scale RC sailplane. Max thickness 9.7% at 29.1% chord Max camber 1.7% at 33.7% chord | Remove Airfoil details Airfoil plotter |
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Polars for (s4158-il,sc20612-il,sc20614-il,sc20406-il,s4053-il,s4095-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| s4158-il | 50,000 | 9 | 35.1 at α=9° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s4158-il | 50,000 | 5 | 32.7 at α=8.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s4158-il | 100,000 | 9 | 57.1 at α=7.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s4158-il | 100,000 | 5 | 55.5 at α=6.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s4158-il | 200,000 | 9 | 84.6 at α=6.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s4158-il | 200,000 | 5 | 80.8 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s4158-il | 500,000 | 9 | 124.2 at α=4.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s4158-il | 500,000 | 5 | 109 at α=3.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s4158-il | 1,000,000 | 9 | 150.6 at α=3.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s4158-il | 1,000,000 | 5 | 124.3 at α=2.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sc20612-il | 50,000 | 9 | 24.5 at α=4° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sc20612-il | 50,000 | 5 | 23.2 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sc20612-il | 100,000 | 9 | 29.8 at α=3.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sc20612-il | 100,000 | 5 | 31.9 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sc20612-il | 200,000 | 9 | 40.5 at α=2.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sc20612-il | 200,000 | 5 | 44.6 at α=5.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sc20612-il | 500,000 | 9 | 63.6 at α=1° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sc20612-il | 500,000 | 5 | 65 at α=6.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sc20612-il | 1,000,000 | 9 | 77.9 at α=6.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sc20612-il | 1,000,000 | 5 | 79.8 at α=7° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sc20614-il | 50,000 | 9 | 26.4 at α=4° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sc20614-il | 50,000 | 5 | 22.7 at α=7° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sc20614-il | 100,000 | 9 | 28.8 at α=3.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sc20614-il | 100,000 | 5 | 31.7 at α=6.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sc20614-il | 200,000 | 9 | 38.9 at α=2.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sc20614-il | 200,000 | 5 | 44.5 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sc20614-il | 500,000 | 9 | 62.7 at α=1° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sc20614-il | 500,000 | 5 | 64.3 at α=6.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sc20614-il | 1,000,000 | 9 | 77.6 at α=6.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sc20614-il | 1,000,000 | 5 | 80.1 at α=7.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sc20406-il | 50,000 | 9 | 20.9 at α=3.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sc20406-il | 50,000 | 5 | 24.5 at α=2.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sc20406-il | 100,000 | 9 | 37.2 at α=2.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sc20406-il | 100,000 | 5 | 32.3 at α=2° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sc20406-il | 200,000 | 9 | 47.5 at α=2° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sc20406-il | 200,000 | 5 | 36.8 at α=3.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sc20406-il | 500,000 | 9 | 52.9 at α=1.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sc20406-il | 500,000 | 5 | 50.3 at α=4° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sc20406-il | 1,000,000 | 9 | 59.8 at α=4° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sc20406-il | 1,000,000 | 5 | 61.5 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s4053-il | 50,000 | 9 | 38.2 at α=7° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s4053-il | 50,000 | 5 | 39.2 at α=6.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s4053-il | 100,000 | 9 | 58.9 at α=6.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s4053-il | 100,000 | 5 | 57.8 at α=5.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s4053-il | 200,000 | 9 | 80.6 at α=5.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s4053-il | 200,000 | 5 | 75.6 at α=4.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s4053-il | 500,000 | 9 | 109.1 at α=4.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s4053-il | 500,000 | 5 | 96.5 at α=3.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s4053-il | 1,000,000 | 9 | 129 at α=3.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s4053-il | 1,000,000 | 5 | 109.6 at α=2.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s4095-il | 50,000 | 9 | 27.7 at α=6.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s4095-il | 50,000 | 5 | 32.8 at α=6.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s4095-il | 100,000 | 9 | 41.1 at α=6.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s4095-il | 100,000 | 5 | 43.5 at α=7.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s4095-il | 200,000 | 9 | 53.4 at α=7° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s4095-il | 200,000 | 5 | 53.5 at α=7.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s4095-il | 500,000 | 9 | 67.2 at α=7.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s4095-il | 500,000 | 5 | 65.2 at α=7.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s4095-il | 1,000,000 | 9 | 75.6 at α=7.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s4095-il | 1,000,000 | 5 | 72.5 at α=7.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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