Airfoil Comparison
Select airfoils from the airfoil database or add your own airfoils and compare the airfoil shape and lift/drag polars.
| Open full size plan in new window | Open paginated plan in new window | |
| Download PDF file | SVG image as text file | |
| Clear all | ||
(e431-il) EPPLER 431 AIRFOIL | Eppler E431 sailplane airfoil Max thickness 15.1% at 37.4% chord Max camber 4.2% at 42.6% chord | Remove Airfoil details Airfoil plotter |
(e853-il) EPPLER E853 AIRFOIL | Eppler E853 propeller airfoil Max thickness 11.6% at 37.1% chord Max camber 3.1% at 56.1% chord | Remove Airfoil details Airfoil plotter |
(e682-il) EPPLER 682 AIRFOIL | Eppler E682 sailplane airfoil Max thickness 15.3% at 40.4% chord Max camber 2.9% at 40.4% chord | Remove Airfoil details Airfoil plotter |
(goe498-il) GOE 498 AIRFOIL | Gottingen 498 airfoil Max thickness 15.9% at 29.4% chord Max camber 5.5% at 49.4% chord | Remove Airfoil details Airfoil plotter |
(raf38-il) RAF 38 AIRFOIL | RAF-38 airfoil Max thickness 12.7% at 30% chord Max camber 2.5% at 40% chord | Remove Airfoil details Airfoil plotter |
(raf34-il) RAF 34 AIRFOIL | RAF-34 airfoil Max thickness 12.6% at 30% chord Max camber 2% at 30% chord | Remove Airfoil details Airfoil plotter |
(goe504-il) GOE 504 AIRFOIL | Gottingen 504 airfoil Max thickness 18% at 29.2% chord Max camber 5.4% at 39.2% chord | Remove Airfoil details Airfoil plotter |
(goe290-il) GOE 290 (MVA 290) AIRFOIL | Gottingen 290 (MVA 290) airfoil Max thickness 17.6% at 29.1% chord Max camber 3.9% at 39.2% chord | Remove Airfoil details Airfoil plotter |
(goe735-il) GOE 735 AIRFOIL | Gottingen 735 airfoil Max thickness 20.1% at 30% chord Max camber 4.4% at 30% chord | Remove Airfoil details Airfoil plotter |
Drawing Options
Polars for (e431-il,e853-il,e682-il,goe498-il,raf38-il,raf34-il,goe504-il,goe290-il,goe735-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| e431-il | 50,000 | 9 | 22.1 at α=13.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e431-il | 50,000 | 5 | 19.8 at α=12° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e431-il | 100,000 | 9 | 48.3 at α=9.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e431-il | 100,000 | 5 | 46.2 at α=8° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e431-il | 200,000 | 9 | 79.8 at α=8° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e431-il | 200,000 | 5 | 76.8 at α=6.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e431-il | 500,000 | 9 | 116 at α=6.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e431-il | 500,000 | 5 | 109.2 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e431-il | 1,000,000 | 9 | 144.4 at α=5.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e431-il | 1,000,000 | 5 | 130.2 at α=4° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e853-il | 50,000 | 9 | 35.6 at α=7.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e853-il | 50,000 | 5 | 35.9 at α=7.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e853-il | 100,000 | 9 | 60.6 at α=6.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e853-il | 100,000 | 5 | 59.7 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e853-il | 200,000 | 9 | 85.9 at α=6° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e853-il | 200,000 | 5 | 82.5 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e853-il | 500,000 | 9 | 120.8 at α=4.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e853-il | 500,000 | 5 | 103 at α=4° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e853-il | 1,000,000 | 9 | 135.6 at α=4° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e853-il | 1,000,000 | 5 | 114.4 at α=3.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e682-il | 50,000 | 9 | 25.1 at α=12° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e682-il | 50,000 | 5 | 21.5 at α=11.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e682-il | 100,000 | 9 | 43.2 at α=9.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e682-il | 100,000 | 5 | 37.8 at α=9° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e682-il | 200,000 | 9 | 75.4 at α=7.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e682-il | 200,000 | 5 | 58.1 at α=7.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e682-il | 500,000 | 9 | 91.2 at α=6.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e682-il | 500,000 | 5 | 87.7 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e682-il | 1,000,000 | 9 | 115.7 at α=5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e682-il | 1,000,000 | 5 | 105.7 at α=3.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe498-il | 50,000 | 9 | 7.3 at α=7.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe498-il | 50,000 | 5 | 24.7 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe498-il | 100,000 | 9 | 49.7 at α=8.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe498-il | 100,000 | 5 | 53.5 at α=5.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe498-il | 200,000 | 9 | 75.9 at α=5.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe498-il | 200,000 | 5 | 73.5 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe498-il | 500,000 | 9 | 105.8 at α=4.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe498-il | 500,000 | 5 | 91.5 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe498-il | 1,000,000 | 9 | 123.8 at α=5.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe498-il | 1,000,000 | 5 | 102.3 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| raf38-il | 50,000 | 9 | 31.6 at α=8.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| raf38-il | 50,000 | 5 | 32.5 at α=8° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| raf38-il | 100,000 | 9 | 51.6 at α=7.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| raf38-il | 100,000 | 5 | 51.9 at α=6.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| raf38-il | 200,000 | 9 | 71.5 at α=6.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| raf38-il | 200,000 | 5 | 69 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| raf38-il | 500,000 | 9 | 96.6 at α=5.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| raf38-il | 500,000 | 5 | 90.5 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| raf38-il | 1,000,000 | 9 | 114.7 at α=5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| raf38-il | 1,000,000 | 5 | 98.9 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| raf34-il | 50,000 | 9 | 25.7 at α=10.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| raf34-il | 50,000 | 5 | 30.7 at α=7.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| raf34-il | 100,000 | 9 | 48.2 at α=8.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| raf34-il | 100,000 | 5 | 49.1 at α=7.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| raf34-il | 200,000 | 9 | 67.5 at α=7° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| raf34-il | 200,000 | 5 | 65.2 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| raf34-il | 500,000 | 9 | 90.8 at α=6° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| raf34-il | 500,000 | 5 | 79.4 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| raf34-il | 1,000,000 | 9 | 99.8 at α=6.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| raf34-il | 1,000,000 | 5 | 84.8 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe504-il | 50,000 | 9 | 3.7 at α=9.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe504-il | 50,000 | 5 | 13.7 at α=2.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe504-il | 100,000 | 9 | 34.2 at α=5.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe504-il | 100,000 | 5 | 43.6 at α=5.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe504-il | 200,000 | 9 | 66.2 at α=6° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe504-il | 200,000 | 5 | 62.8 at α=4.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe504-il | 500,000 | 9 | 91.7 at α=4° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe504-il | 500,000 | 5 | 85.1 at α=4.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe504-il | 1,000,000 | 9 | 114.9 at α=4.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe504-il | 1,000,000 | 5 | 104.1 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe290-il | 50,000 | 9 | 6.6 at α=4.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe290-il | 50,000 | 5 | 22.4 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe290-il | 100,000 | 9 | 41.7 at α=10.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe290-il | 100,000 | 5 | 46.8 at α=8° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe290-il | 200,000 | 9 | 69 at α=8° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe290-il | 200,000 | 5 | 67 at α=6.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe290-il | 500,000 | 9 | 96.5 at α=6.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe290-il | 500,000 | 5 | 84 at α=4.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe290-il | 1,000,000 | 9 | 112.3 at α=4.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe290-il | 1,000,000 | 5 | 92.4 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe735-il | 50,000 | 9 | 2.9 at α=13° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe735-il | 50,000 | 5 | 16.4 at α=0.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe735-il | 100,000 | 9 | 23.4 at α=1.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe735-il | 100,000 | 5 | 35.9 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe735-il | 200,000 | 9 | 49.6 at α=7° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe735-il | 200,000 | 5 | 55.4 at α=6.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe735-il | 500,000 | 9 | 82.2 at α=7.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe735-il | 500,000 | 5 | 78.9 at α=8.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe735-il | 1,000,000 | 9 | 105 at α=9° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe735-il | 1,000,000 | 5 | 97.3 at α=8.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| Reynolds number calculator | |||||||