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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(n5h20-il) NACA 5-H-20 AIRFOIL | NACA 5-H-20 rotorcraft airfoil Max thickness 19.9% at 40% chord Max camber 4.5% at 40% chord | Remove Airfoil details Airfoil plotter |
(e625-il) EPPLER 625 AIRFOIL | Eppler E625 airfoil Max thickness 13% at 30% chord Max camber 2.9% at 22.5% chord | Remove Airfoil details Airfoil plotter |
(goe13k-il) GOE 13K AIRFOIL | Gottingen 13K airfoil Max thickness 14.8% at 50% chord Max camber 5.5% at 60% chord | Remove Airfoil details Airfoil plotter |
(goe741-il) GOE 741 AIRFOIL | Gottingen 741 airfoil Max thickness 15.3% at 30% chord Max camber 4.8% at 30% chord | Remove Airfoil details Airfoil plotter |
(clarkz-il) CLARK Z AIRFOIL | CLARK Z airfoil Max thickness 11.8% at 30% chord Max camber 4% at 40% chord | Remove Airfoil details Airfoil plotter |
(e540-il) EPPLER 540 AIRFOIL | Eppler E540 general aviation airfoil Max thickness 16.9% at 45.5% chord Max camber 1.6% at 35.7% chord | Remove Airfoil details Airfoil plotter |
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Polars for (n5h20-il,e625-il,goe13k-il,goe741-il,clarkz-il,e540-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| n5h20-il | 50,000 | 9 | 3.5 at α=9.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| n5h20-il | 50,000 | 5 | 7.1 at α=9.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| n5h20-il | 100,000 | 9 | 17 at α=15.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| n5h20-il | 100,000 | 5 | 14.8 at α=14.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| n5h20-il | 200,000 | 9 | 25.4 at α=13° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| n5h20-il | 200,000 | 5 | 34.1 at α=4.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| n5h20-il | 500,000 | 9 | 78.6 at α=7.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| n5h20-il | 500,000 | 5 | 56.8 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| n5h20-il | 1,000,000 | 9 | 85.4 at α=7.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| n5h20-il | 1,000,000 | 5 | 75.4 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e625-il | 50,000 | 9 | 18.8 at α=2.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e625-il | 50,000 | 5 | 28.8 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e625-il | 100,000 | 9 | 39.2 at α=6.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e625-il | 100,000 | 5 | 44.5 at α=7° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e625-il | 200,000 | 9 | 58 at α=7.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e625-il | 200,000 | 5 | 60.1 at α=8.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e625-il | 500,000 | 9 | 82.9 at α=9.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e625-il | 500,000 | 5 | 76.5 at α=9.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e625-il | 1,000,000 | 9 | 96.7 at α=10.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e625-il | 1,000,000 | 5 | 93.2 at α=9.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe13k-il | 50,000 | 9 | 25.6 at α=11° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe13k-il | 50,000 | 5 | 20.9 at α=10.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe13k-il | 100,000 | 9 | 34.8 at α=10° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe13k-il | 100,000 | 5 | 30.3 at α=9.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe13k-il | 200,000 | 9 | 45.8 at α=8.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe13k-il | 200,000 | 5 | 42.9 at α=6.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe13k-il | 500,000 | 9 | 92.9 at α=4.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe13k-il | 500,000 | 5 | 85.8 at α=3.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe13k-il | 1,000,000 | 9 | 129 at α=2.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe13k-il | 1,000,000 | 5 | 93.9 at α=3.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe741-il | 50,000 | 9 | 3.9 at α=9.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe741-il | 50,000 | 5 | 14.1 at α=2.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe741-il | 100,000 | 9 | 17.5 at α=2.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe741-il | 100,000 | 5 | 39 at α=6.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe741-il | 200,000 | 9 | 61.6 at α=8.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe741-il | 200,000 | 5 | 66.9 at α=7.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe741-il | 500,000 | 9 | 101.4 at α=8° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe741-il | 500,000 | 5 | 93 at α=8° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe741-il | 1,000,000 | 9 | 122.4 at α=8.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe741-il | 1,000,000 | 5 | 106.3 at α=7.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| clarkz-il | 50,000 | 9 | 30.4 at α=10° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| clarkz-il | 50,000 | 5 | 36.2 at α=7.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| clarkz-il | 100,000 | 9 | 54 at α=7.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| clarkz-il | 100,000 | 5 | 55.4 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| clarkz-il | 200,000 | 9 | 74.8 at α=5.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| clarkz-il | 200,000 | 5 | 72.2 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| clarkz-il | 500,000 | 9 | 100.9 at α=5.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| clarkz-il | 500,000 | 5 | 93.5 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| clarkz-il | 1,000,000 | 9 | 120.6 at α=5.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| clarkz-il | 1,000,000 | 5 | 109.5 at α=5.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e540-il | 50,000 | 9 | 24.3 at α=10.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e540-il | 50,000 | 5 | 20.1 at α=10.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e540-il | 100,000 | 9 | 38.3 at α=9° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e540-il | 100,000 | 5 | 33.4 at α=8.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e540-il | 200,000 | 9 | 54 at α=8° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e540-il | 200,000 | 5 | 57 at α=6.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e540-il | 500,000 | 9 | 85.3 at α=6.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e540-il | 500,000 | 5 | 82.5 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e540-il | 1,000,000 | 9 | 110 at α=5.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e540-il | 1,000,000 | 5 | 97.5 at α=4° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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