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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(e550-il) EPPLER 550 AIRFOIL | Eppler E550 general aviation airfoil Max thickness 18.2% at 34% chord Max camber 2.2% at 29.4% chord | Remove Airfoil details Airfoil plotter |
(goe155-il) GOE 155 (SSW D.1) AIRFOIL | Gottingen 155 (SSW D.1) airfoil Max thickness 7% at 29.9% chord Max camber 5.3% at 39.9% chord | Remove Airfoil details Airfoil plotter |
(e544-il) EPPLER 544 AIRFOIL | Eppler E544 general aviation airfoil Max thickness 17.5% at 40% chord Max camber 1.9% at 30.5% chord | Remove Airfoil details Airfoil plotter |
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Polars for (e550-il,goe155-il,e544-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| e550-il | 50,000 | 9 | 12.6 at α=-2° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e550-il | 50,000 | 5 | 11.1 at α=4° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e550-il | 100,000 | 9 | 33.6 at α=12° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e550-il | 100,000 | 5 | 40.8 at α=9.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e550-il | 200,000 | 9 | 66 at α=10.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e550-il | 200,000 | 5 | 67 at α=9.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e550-il | 500,000 | 9 | 99.6 at α=9.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e550-il | 500,000 | 5 | 95.4 at α=8° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e550-il | 1,000,000 | 9 | 124.4 at α=8.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e550-il | 1,000,000 | 5 | 114.5 at α=7° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe155-il | 50,000 | 9 | 40.1 at α=8.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe155-il | 50,000 | 5 | 42.4 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe155-il | 100,000 | 9 | 59.8 at α=5.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe155-il | 100,000 | 5 | 61.6 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe155-il | 200,000 | 9 | 82.6 at α=4.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe155-il | 200,000 | 5 | 78.6 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe155-il | 500,000 | 9 | 107.7 at α=3° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe155-il | 500,000 | 5 | 98.6 at α=4.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe155-il | 1,000,000 | 9 | 123.2 at α=4.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe155-il | 1,000,000 | 5 | 111 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e544-il | 50,000 | 9 | 21.5 at α=12.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e544-il | 50,000 | 5 | 18.5 at α=11.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e544-il | 100,000 | 9 | 40.1 at α=10.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e544-il | 100,000 | 5 | 37.4 at α=8.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e544-il | 200,000 | 9 | 60.8 at α=8.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e544-il | 200,000 | 5 | 61.7 at α=7.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e544-il | 500,000 | 9 | 91 at α=7.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e544-il | 500,000 | 5 | 86.2 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e544-il | 1,000,000 | 9 | 113.5 at α=6.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e544-il | 1,000,000 | 5 | 101.1 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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