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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(e857-il) EPPLER 857 AIRFOIL | Eppler E857 propeller airfoil Max thickness 20.3% at 31.5% chord Max camber 4.9% at 45.1% chord | Remove Airfoil details Airfoil plotter |
(e863-il) EPPLER 863 STRUT AIRFOIL | Eppler E863 strut airfoil Max thickness 35.7% at 28.5% chord Max camber 0% at 0% 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 |
(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 |
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Polars for (e857-il,e863-il,e908-il,e904-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| e857-il | 50,000 | 9 | 3.8 at α=10.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e857-il | 50,000 | 5 | 16 at α=2.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e857-il | 100,000 | 9 | 25.9 at α=3.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e857-il | 100,000 | 5 | 41.2 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e857-il | 200,000 | 9 | 56.9 at α=6.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e857-il | 200,000 | 5 | 62.3 at α=8° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e857-il | 500,000 | 9 | 88.3 at α=8.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e857-il | 500,000 | 5 | 85.2 at α=9° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e857-il | 1,000,000 | 9 | 110.2 at α=8.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e857-il | 1,000,000 | 5 | 105.1 at α=10.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e863-il | 50,000 | 9 | 2.5 at α=-7.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e863-il | 50,000 | 5 | 3.6 at α=-2° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e863-il | 100,000 | 9 | 4.5 at α=-2.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e863-il | 100,000 | 5 | 4 at α=2.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e863-il | 200,000 | 9 | 8.6 at α=4° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e863-il | 200,000 | 5 | 24 at α=7.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e863-il | 500,000 | 9 | 48.3 at α=9.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e863-il | 500,000 | 5 | 44 at α=8.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e863-il | 1,000,000 | 9 | 64.1 at α=10° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e863-il | 1,000,000 | 5 | 62 at α=9° | 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 | |
| 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 | |
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