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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(ls421mod-il) NASA/LANGLEY LS(1)-0421MOD AIRFOIL | NASA/Langley LS(1)-0421MOD general aviation airfoil Max thickness 21% at 32.5% chord Max camber 2.3% at 30% chord | Remove Airfoil details Airfoil plotter |
(e559-il) EPPLER 559 AIRFOIL | Eppler E559 general aviation airfoil Max thickness 16% at 27.2% chord Max camber 4.3% at 50.2% chord | Remove Airfoil details Airfoil plotter |
(df101-il) DF 101 AIRFOIL | David Fraser DF 101 low Reynolds number airfoil Max thickness 11% at 29.1% chord Max camber 2.3% at 43.5% chord | Remove Airfoil details Airfoil plotter |
(s2048-il) S2048 | Selig S2048 low Reynolds number airfoil Max thickness 8.6% at 35.4% chord Max camber 1.7% at 60.1% chord | Remove Airfoil details Airfoil plotter |
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Polars for (ls421mod-il,e559-il,df101-il,s2048-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| ls421mod-il | 50,000 | 9 | 7.2 at α=0.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ls421mod-il | 50,000 | 5 | 18.6 at α=7.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ls421mod-il | 100,000 | 9 | 37.2 at α=8.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ls421mod-il | 100,000 | 5 | 38.4 at α=6.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ls421mod-il | 200,000 | 9 | 51.9 at α=7° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ls421mod-il | 200,000 | 5 | 56 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ls421mod-il | 500,000 | 9 | 80.8 at α=6° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ls421mod-il | 500,000 | 5 | 77.1 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ls421mod-il | 1,000,000 | 9 | 100 at α=5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ls421mod-il | 1,000,000 | 5 | 90.3 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e559-il | 50,000 | 9 | 8.8 at α=4.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e559-il | 50,000 | 5 | 30.5 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e559-il | 100,000 | 9 | 43.7 at α=5.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e559-il | 100,000 | 5 | 52.9 at α=7° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e559-il | 200,000 | 9 | 70.4 at α=7.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e559-il | 200,000 | 5 | 73.2 at α=7° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e559-il | 500,000 | 9 | 103.1 at α=7.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e559-il | 500,000 | 5 | 101.9 at α=7° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e559-il | 1,000,000 | 9 | 130.6 at α=7.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e559-il | 1,000,000 | 5 | 123.6 at α=8° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| df101-il | 50,000 | 9 | 31.5 at α=6.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| df101-il | 50,000 | 5 | 34.8 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| df101-il | 100,000 | 9 | 50.5 at α=5.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| df101-il | 100,000 | 5 | 49.6 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| df101-il | 200,000 | 9 | 68.7 at α=4.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| df101-il | 200,000 | 5 | 63 at α=4.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| df101-il | 500,000 | 9 | 90.9 at α=4° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| df101-il | 500,000 | 5 | 80.5 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| df101-il | 1,000,000 | 9 | 104.4 at α=3.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| df101-il | 1,000,000 | 5 | 96.2 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s2048-il | 50,000 | 9 | 37.2 at α=5.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s2048-il | 50,000 | 5 | 37.4 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s2048-il | 100,000 | 9 | 55.8 at α=4.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s2048-il | 100,000 | 5 | 52.7 at α=4.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s2048-il | 200,000 | 9 | 75.8 at α=4° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s2048-il | 200,000 | 5 | 67.5 at α=3.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s2048-il | 500,000 | 9 | 100.7 at α=3° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s2048-il | 500,000 | 5 | 78.1 at α=3° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s2048-il | 1,000,000 | 9 | 110.3 at α=2.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s2048-il | 1,000,000 | 5 | 88.5 at α=4.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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