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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(hq2090sm-il) HQ-2.0/9 9.0% smoothed | Quabeck HQ 2.0/9 R/C sailplane airfoil (smoothed) Max thickness 9% at 35% chord Max camber 2% at 50% chord | Remove Airfoil details Airfoil plotter |
(naca4424-il) NACA 4424 | NACA 4424 airfoil Max thickness 24% at 29.4% chord Max camber 4% at 40% chord | Remove Airfoil details Airfoil plotter |
(goe610bm-il) GOE 610-B MOD. AIRFOIL | Gottingen 610-B MOD airfoil Max thickness 7.7% at 30% chord Max camber 5.5% at 40% chord | Remove Airfoil details Airfoil plotter |
(naca4415-il) NACA 4415 | NACA 4415 airfoil Max thickness 15% at 30.9% chord Max camber 4% at 40.2% chord | Remove Airfoil details Airfoil plotter |
(ah93w215-il) AH 93-W-215 | Althaus AH 93-W-215 airfoil for use on wind turbines (W) Max thickness 21.2% at 33.9% chord Max camber 3.1% at 40.2% chord | Remove Airfoil details Airfoil plotter |
(fx78k161-il) FX 78-K-161 | Wortmann FX 78-K-161 airfoil for use with flaps (K) Max thickness 16.2% at 40.2% chord Max camber 2.8% at 37.1% chord | Remove Airfoil details Airfoil plotter |
(fx77w270-il) FX 77-W-270 | Wortmann FX 77-W-270 airfoil for use on wind turbines (W) Max thickness 27.1% at 33.9% chord Max camber 4.3% at 27.9% chord | Remove Airfoil details Airfoil plotter |
Drawing Options
Polars for (hq2090sm-il,naca4424-il,goe610bm-il,naca4415-il,ah93w215-il,fx78k161-il,fx77w270-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| hq2090sm-il | 50,000 | 9 | 36.9 at α=6° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hq2090sm-il | 50,000 | 5 | 37.9 at α=5.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| hq2090sm-il | 100,000 | 9 | 55.1 at α=5.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hq2090sm-il | 100,000 | 5 | 53.5 at α=4.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| hq2090sm-il | 200,000 | 9 | 73.9 at α=4.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hq2090sm-il | 200,000 | 5 | 68.3 at α=3.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| hq2090sm-il | 500,000 | 9 | 97.2 at α=3.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hq2090sm-il | 500,000 | 5 | 79.3 at α=3.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| hq2090sm-il | 1,000,000 | 9 | 104.7 at α=3.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hq2090sm-il | 1,000,000 | 5 | 87.2 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca4424-il | 50,000 | 9 | 2 at α=9.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca4424-il | 50,000 | 5 | 8.8 at α=3.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca4424-il | 100,000 | 9 | 30.8 at α=4.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca4424-il | 100,000 | 5 | 33.5 at α=5.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca4424-il | 200,000 | 9 | 53.6 at α=6° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca4424-il | 200,000 | 5 | 45.9 at α=6.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca4424-il | 500,000 | 9 | 64.3 at α=6.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca4424-il | 500,000 | 5 | 55.6 at α=6.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca4424-il | 1,000,000 | 9 | 73.6 at α=7.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca4424-il | 1,000,000 | 5 | 64.5 at α=7.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe610bm-il | 50,000 | 9 | 40.4 at α=8.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe610bm-il | 50,000 | 5 | 43.4 at α=7.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe610bm-il | 100,000 | 9 | 62.8 at α=7.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe610bm-il | 100,000 | 5 | 63.5 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe610bm-il | 200,000 | 9 | 83.1 at α=6.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe610bm-il | 200,000 | 5 | 82.3 at α=5.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe610bm-il | 500,000 | 9 | 110.5 at α=5.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe610bm-il | 500,000 | 5 | 107.3 at α=4.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe610bm-il | 1,000,000 | 9 | 130.3 at α=4.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe610bm-il | 1,000,000 | 5 | 125 at α=4° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca4415-il | 50,000 | 9 | 7.4 at α=9° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca4415-il | 50,000 | 5 | 27.4 at α=8.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca4415-il | 100,000 | 9 | 48.4 at α=9° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca4415-il | 100,000 | 5 | 50.7 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca4415-il | 200,000 | 9 | 71.1 at α=6.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca4415-il | 200,000 | 5 | 68.2 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca4415-il | 500,000 | 9 | 97 at α=5.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca4415-il | 500,000 | 5 | 90.4 at α=5.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| naca4415-il | 1,000,000 | 9 | 119.4 at α=5.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| naca4415-il | 1,000,000 | 5 | 109.1 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ah93w215-il | 50,000 | 9 | 2.7 at α=10.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ah93w215-il | 50,000 | 5 | 6.4 at α=8.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ah93w215-il | 100,000 | 9 | 6.2 at α=8.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ah93w215-il | 100,000 | 5 | 27.1 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ah93w215-il | 200,000 | 9 | 57.6 at α=8.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ah93w215-il | 200,000 | 5 | 58.8 at α=8.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ah93w215-il | 500,000 | 9 | 93.8 at α=8.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ah93w215-il | 500,000 | 5 | 79.2 at α=7.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ah93w215-il | 1,000,000 | 9 | 111.4 at α=9.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ah93w215-il | 1,000,000 | 5 | 97.3 at α=7° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx78k161-il | 50,000 | 9 | 15.1 at α=13.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx78k161-il | 50,000 | 5 | 13.4 at α=12.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx78k161-il | 100,000 | 9 | 23.2 at α=10.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx78k161-il | 100,000 | 5 | 24.5 at α=10° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx78k161-il | 200,000 | 9 | 65.3 at α=7.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx78k161-il | 200,000 | 5 | 43.8 at α=8.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx78k161-il | 500,000 | 9 | 81.6 at α=7° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx78k161-il | 500,000 | 5 | 81 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx78k161-il | 1,000,000 | 9 | 102.3 at α=5.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx78k161-il | 1,000,000 | 5 | 98.9 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx77w270-il | 50,000 | 9 | 1.4 at α=4.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx77w270-il | 50,000 | 5 | 2.7 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx77w270-il | 100,000 | 9 | 1.3 at α=4° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx77w270-il | 100,000 | 5 | 12.8 at α=3.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx77w270-il | 200,000 | 9 | 15.2 at α=3° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx77w270-il | 200,000 | 5 | 39.4 at α=8.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx77w270-il | 500,000 | 9 | 76.6 at α=12° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx77w270-il | 500,000 | 5 | 80.5 at α=10° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| fx77w270-il | 1,000,000 | 9 | 103.4 at α=9.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| fx77w270-il | 1,000,000 | 5 | 94 at α=8.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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