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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(e1211-il) EPPLER 1211 AIRFOIL | Eppler E1211 general aviation airfoil Max thickness 18% at 20.9% chord Max camber 4.4% at 37.7% chord | Remove Airfoil details Airfoil plotter |
(e212-il) E212 (10.55%) | Eppler E212 low Reynolds number airfoil Max thickness 10.6% at 27.5% chord Max camber 2.5% at 61.3% chord | Remove Airfoil details Airfoil plotter |
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Polars for (e1211-il,e212-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| e1211-il | 50,000 | 9 | 6 at α=0° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e1211-il | 50,000 | 5 | 24.2 at α=4.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e1211-il | 100,000 | 9 | 33.9 at α=4.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e1211-il | 100,000 | 5 | 44 at α=7° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e1211-il | 200,000 | 9 | 58.4 at α=7.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e1211-il | 200,000 | 5 | 62.6 at α=6.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e1211-il | 500,000 | 9 | 89 at α=7.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e1211-il | 500,000 | 5 | 89.6 at α=7.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e1211-il | 1,000,000 | 9 | 115.4 at α=8° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e1211-il | 1,000,000 | 5 | 113.1 at α=7.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e212-il | 50,000 | 9 | 38.3 at α=6.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e212-il | 50,000 | 5 | 40.6 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e212-il | 100,000 | 9 | 59.9 at α=5.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e212-il | 100,000 | 5 | 58.8 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e212-il | 200,000 | 9 | 81.7 at α=4.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e212-il | 200,000 | 5 | 75.5 at α=4° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e212-il | 500,000 | 9 | 108.4 at α=3.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e212-il | 500,000 | 5 | 91.7 at α=4.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e212-il | 1,000,000 | 9 | 119.8 at α=3.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e212-il | 1,000,000 | 5 | 101 at α=3.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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