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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(e399-il) EPPLER 399 AIRFOIL | Eppler E399 human powered aircraft airfoil Max thickness 14.8% at 29% chord Max camber 5.1% at 51.4% chord | Remove Airfoil details Airfoil plotter |
(mh113-il) MH 113 14.62% | Martin Hepperle MH 113 for a propeller for ultralight Max thickness 14.7% at 29.7% chord Max camber 6.4% at 47.7% chord | Remove Airfoil details Airfoil plotter |
(e385-il) E385 (8.41%) | Eppler E385 airfoil Max thickness 8.4% at 29.6% chord Max camber 5.3% at 47.5% chord | Remove Airfoil details Airfoil plotter |
(e434-il) EPPLER 434 AIRFOIL | Eppler E434 sailplane airfoil Max thickness 13.3% at 38.6% chord Max camber 4.3% at 38.6% chord | Remove Airfoil details Airfoil plotter |
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Polars for (e399-il,mh113-il,e385-il,e434-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| e399-il | 50,000 | 9 | 6.3 at α=8.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e399-il | 50,000 | 5 | 16.9 at α=5.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e399-il | 100,000 | 9 | 46.6 at α=10.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e399-il | 100,000 | 5 | 54 at α=7.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e399-il | 200,000 | 9 | 83.6 at α=8.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e399-il | 200,000 | 5 | 85.6 at α=7° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e399-il | 500,000 | 9 | 127.7 at α=6.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e399-il | 500,000 | 5 | 123.3 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e399-il | 1,000,000 | 9 | 161.5 at α=5.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e399-il | 1,000,000 | 5 | 142.4 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| mh113-il | 50,000 | 9 | 6 at α=6.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| mh113-il | 50,000 | 5 | 20.3 at α=5.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| mh113-il | 100,000 | 9 | 50.1 at α=9.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| mh113-il | 100,000 | 5 | 56 at α=5.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| mh113-il | 200,000 | 9 | 84.7 at α=5.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| mh113-il | 200,000 | 5 | 83.6 at α=4.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| mh113-il | 500,000 | 9 | 124.3 at α=3.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| mh113-il | 500,000 | 5 | 114.2 at α=3.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| mh113-il | 1,000,000 | 9 | 153 at α=3.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| mh113-il | 1,000,000 | 5 | 132.2 at α=4.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e385-il | 50,000 | 9 | 38.7 at α=9.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e385-il | 50,000 | 5 | 39.2 at α=8.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e385-il | 100,000 | 9 | 67.2 at α=8° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e385-il | 100,000 | 5 | 68.8 at α=7° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e385-il | 200,000 | 9 | 96.8 at α=6.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e385-il | 200,000 | 5 | 96.8 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e385-il | 500,000 | 9 | 139 at α=5.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e385-il | 500,000 | 5 | 133.1 at α=4.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e385-il | 1,000,000 | 9 | 172.3 at α=4.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e385-il | 1,000,000 | 5 | 159.9 at α=3.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e434-il | 50,000 | 9 | 8.6 at α=13.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e434-il | 50,000 | 5 | 23.5 at α=11.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e434-il | 100,000 | 9 | 52.1 at α=9.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e434-il | 100,000 | 5 | 50.7 at α=8° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e434-il | 200,000 | 9 | 82 at α=7.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e434-il | 200,000 | 5 | 80.8 at α=6.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e434-il | 500,000 | 9 | 122 at α=6.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e434-il | 500,000 | 5 | 109.2 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e434-il | 1,000,000 | 9 | 145.1 at α=5.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e434-il | 1,000,000 | 5 | 128.9 at α=4.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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