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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(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 |
(e547-il) EPPLER 547 AIRFOIL | Eppler E547 general aviation airfoil Max thickness 17.4% at 40.3% chord Max camber 2% at 30.7% chord | Remove Airfoil details Airfoil plotter |
(e502-il) EPPLER 502 AIRFOIL | Eppler E502 general purpose airfoil Max thickness 15.6% at 42.1% chord Max camber 1.5% at 32.3% chord | Remove Airfoil details Airfoil plotter |
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Polars for (e544-il,e547-il,e502-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| 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 | |
| e547-il | 50,000 | 9 | 6.3 at α=-0.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e547-il | 50,000 | 5 | 15 at α=13.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e547-il | 100,000 | 9 | 41.5 at α=10.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e547-il | 100,000 | 5 | 41 at α=9.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e547-il | 200,000 | 9 | 61.6 at α=9.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e547-il | 200,000 | 5 | 62 at α=8.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e547-il | 500,000 | 9 | 90.2 at α=8.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e547-il | 500,000 | 5 | 85.6 at α=7.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e547-il | 1,000,000 | 9 | 111.7 at α=7.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e547-il | 1,000,000 | 5 | 101.9 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e502-il | 50,000 | 9 | 24.6 at α=10° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e502-il | 50,000 | 5 | 21 at α=9.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e502-il | 100,000 | 9 | 45.6 at α=8° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e502-il | 100,000 | 5 | 36.2 at α=8.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e502-il | 200,000 | 9 | 58.8 at α=8° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e502-il | 200,000 | 5 | 58 at α=7° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e502-il | 500,000 | 9 | 88 at α=6.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e502-il | 500,000 | 5 | 80 at α=5.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e502-il | 1,000,000 | 9 | 106.7 at α=5.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e502-il | 1,000,000 | 5 | 90.6 at α=4.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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