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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(e520-il) EPPLER 520 AIRFOIL | Eppler E520 tailplane airfoil Max thickness 15% at 36.7% chord Max camber 0% at 0% chord | Remove Airfoil details Airfoil plotter |
(e551-il) EPPLER 551 AIRFOIL | Eppler E551 general aviation airfoil Max thickness 18.2% at 32.4% chord Max camber 2.8% at 57.1% 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 |
(e908-il) EPPLER 908 AIRFOIL | Eppler E908 hydrofoil Max thickness 9% at 44.8% chord Max camber 2.8% at 66.3% chord | Remove Airfoil details Airfoil plotter |
(e377-il) EPPLER 377 AIRFOIL | Eppler E377 ultralight airfoil Max thickness 3.9% at 8.4% chord Max camber 8.8% at 36.9% chord | Remove Airfoil details Airfoil plotter |
(e397-il) EPPLER 397 AIRFOIL | Eppler E397 human powered aircraft airfoil Max thickness 13.5% at 29.4% chord Max camber 5.3% at 52.1% chord | Remove Airfoil details Airfoil plotter |
(e904-il) EPPLER 904 AIRFOIL | Eppler E904 hydrofoil Max thickness 9% at 44.9% chord Max camber 1.3% at 50.4% chord | Remove Airfoil details Airfoil plotter |
(e421-il) EPPLER 421 AIRFOIL | Eppler E421 high lift airfoil Max thickness 14.5% at 26% chord Max camber 8.6% at 37.4% chord | Remove Airfoil details Airfoil plotter |
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Polars for (e520-il,e551-il,e547-il,e908-il,e377-il,e397-il,e904-il,e421-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| e520-il | 50,000 | 9 | 28.4 at α=7.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e520-il | 50,000 | 5 | 27.8 at α=7° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e520-il | 100,000 | 9 | 41.2 at α=6.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e520-il | 100,000 | 5 | 35.2 at α=7° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e520-il | 200,000 | 9 | 47.7 at α=6.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e520-il | 200,000 | 5 | 45.2 at α=6.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e520-il | 500,000 | 9 | 62.3 at α=5.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e520-il | 500,000 | 5 | 57.1 at α=6.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e520-il | 1,000,000 | 9 | 71.8 at α=6.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e520-il | 1,000,000 | 5 | 67.5 at α=7.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e551-il | 50,000 | 9 | 4.9 at α=10.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e551-il | 50,000 | 5 | 14.3 at α=13.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e551-il | 100,000 | 9 | 43.1 at α=10.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e551-il | 100,000 | 5 | 47.1 at α=8.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e551-il | 200,000 | 9 | 72.4 at α=9° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e551-il | 200,000 | 5 | 70 at α=8° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e551-il | 500,000 | 9 | 102.4 at α=8° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e551-il | 500,000 | 5 | 95.5 at α=7° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e551-il | 1,000,000 | 9 | 125.3 at α=7.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e551-il | 1,000,000 | 5 | 113.1 at α=6° | 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 | |
| e908-il | 50,000 | 9 | 22.2 at α=6° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e908-il | 50,000 | 5 | 24.4 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e908-il | 100,000 | 9 | 32.2 at α=4.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e908-il | 100,000 | 5 | 41.2 at α=3.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e908-il | 200,000 | 9 | 47.8 at α=3.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e908-il | 200,000 | 5 | 62.8 at α=3° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e908-il | 500,000 | 9 | 107.2 at α=2.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e908-il | 500,000 | 5 | 91.8 at α=2° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e908-il | 1,000,000 | 9 | 137 at α=1.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e908-il | 1,000,000 | 5 | 117.9 at α=1° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e377-il | 50,000 | 9 | 32.7 at α=11.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e377-il | 50,000 | 5 | 38.3 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e377-il | 100,000 | 9 | 104.7 at α=5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e377-il | 100,000 | 5 | 66.8 at α=8° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e377-il | 200,000 | 9 | 91.3 at α=8.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e377-il | 200,000 | 5 | 94.3 at α=7° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e377-il | 500,000 | 9 | 133.9 at α=7° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e377-il | 500,000 | 5 | 130.1 at α=6.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e377-il | 1,000,000 | 9 | 167.3 at α=6.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e377-il | 1,000,000 | 5 | 141 at α=5.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e397-il | 50,000 | 9 | 26.3 at α=12° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e397-il | 50,000 | 5 | 22.5 at α=11.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e397-il | 100,000 | 9 | 51 at α=9° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e397-il | 100,000 | 5 | 53.4 at α=7° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e397-il | 200,000 | 9 | 89 at α=7.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e397-il | 200,000 | 5 | 89.3 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e397-il | 500,000 | 9 | 135.7 at α=6° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e397-il | 500,000 | 5 | 126 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e397-il | 1,000,000 | 9 | 169.2 at α=4.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e397-il | 1,000,000 | 5 | 139.9 at α=3.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e904-il | 50,000 | 9 | 21.6 at α=5.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e904-il | 50,000 | 5 | 24 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e904-il | 100,000 | 9 | 29.7 at α=4.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e904-il | 100,000 | 5 | 41.9 at α=3.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e904-il | 200,000 | 9 | 61.5 at α=2.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e904-il | 200,000 | 5 | 53.9 at α=3° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e904-il | 500,000 | 9 | 67.1 at α=2.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e904-il | 500,000 | 5 | 72.4 at α=3° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e904-il | 1,000,000 | 9 | 86.9 at α=2.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e904-il | 1,000,000 | 5 | 87.7 at α=2.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e421-il | 50,000 | 9 | 5.3 at α=8.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e421-il | 50,000 | 5 | 20 at α=0.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e421-il | 100,000 | 9 | 27.7 at α=1° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e421-il | 100,000 | 5 | 48 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e421-il | 200,000 | 9 | 63 at α=4.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e421-il | 200,000 | 5 | 74.8 at α=5.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e421-il | 500,000 | 9 | 107.4 at α=6.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e421-il | 500,000 | 5 | 109.9 at α=6.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e421-il | 1,000,000 | 9 | 141.1 at α=7.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e421-il | 1,000,000 | 5 | 141.3 at α=6.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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