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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(goe391-il) GOE 391 AIRFOIL | Gottingen 391 airfoil Max thickness 5.1% at 40% chord Max camber 3.2% at 40% chord | Remove Airfoil details Airfoil plotter |
(goe429-il) GOE 429 AIRFOIL | Gottingen 429 airfoil Max thickness 11.4% at 30% chord Max camber 0.2% at 10% chord | Remove Airfoil details Airfoil plotter |
(e327-il) EPPLER 327 AIRFOIL | Eppler E327 flying wing airfoil Max thickness 13.1% at 32.4% chord Max camber 2.6% at 23% chord | Remove Airfoil details Airfoil plotter |
(goe701-il) GOE 701 AIRFOIL | Gottingen 701 airfoil Max thickness 12.5% at 29.6% chord Max camber 4.9% at 39.6% chord | Remove Airfoil details Airfoil plotter |
(rg149-il) RG 14 9% AIRFOIL | Rolf Girsberger RG 14 (9%) airfoil Max thickness 9% at 31% chord Max camber 1.6% at 36% chord | Remove Airfoil details Airfoil plotter |
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Polars for (goe391-il,goe429-il,e327-il,goe701-il,rg149-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| goe391-il | 50,000 | 9 | 39.6 at α=5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe391-il | 50,000 | 5 | 41.5 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe391-il | 100,000 | 9 | 58.8 at α=4.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe391-il | 100,000 | 5 | 58.4 at α=4° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe391-il | 200,000 | 5 | 75.8 at α=2.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe391-il | 200,000 | 0 | 84.3 at α=3.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe391-il | 500,000 | 9 | 106 at α=1.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe391-il | 500,000 | 5 | 84.5 at α=1.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe391-il | 1,000,000 | 9 | 104.7 at α=1.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe391-il | 1,000,000 | 5 | 86.9 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe429-il | 50,000 | 9 | 23.1 at α=6.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe429-il | 50,000 | 5 | 26.9 at α=7° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe429-il | 100,000 | 9 | 35.5 at α=6.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe429-il | 100,000 | 5 | 37.6 at α=7° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe429-il | 200,000 | 9 | 47.4 at α=6.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe429-il | 200,000 | 5 | 45.3 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe429-il | 500,000 | 9 | 57.2 at α=5.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe429-il | 500,000 | 5 | 58.6 at α=7.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe429-il | 1,000,000 | 9 | 67.9 at α=7° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe429-il | 1,000,000 | 5 | 72.7 at α=8.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e327-il | 50,000 | 9 | 17.8 at α=1.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e327-il | 50,000 | 5 | 27.3 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e327-il | 100,000 | 9 | 38.8 at α=10.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e327-il | 100,000 | 5 | 46 at α=8.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e327-il | 200,000 | 9 | 62.6 at α=9° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e327-il | 200,000 | 5 | 59.6 at α=9.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e327-il | 500,000 | 9 | 83.1 at α=10° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e327-il | 500,000 | 5 | 81.3 at α=9° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e327-il | 1,000,000 | 9 | 104.3 at α=9° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e327-il | 1,000,000 | 5 | 98.3 at α=8° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe701-il | 50,000 | 9 | 19.5 at α=7.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe701-il | 50,000 | 5 | 31.6 at α=7.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe701-il | 100,000 | 9 | 54.7 at α=6.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe701-il | 100,000 | 5 | 53.7 at α=5.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe701-il | 200,000 | 9 | 78.9 at α=5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe701-il | 200,000 | 5 | 73.7 at α=4.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe701-il | 500,000 | 9 | 108.7 at α=3.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe701-il | 500,000 | 5 | 94.5 at α=3.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe701-il | 1,000,000 | 9 | 127.7 at α=3.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe701-il | 1,000,000 | 5 | 101.3 at α=4.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| rg149-il | 50,000 | 9 | 33.1 at α=5.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| rg149-il | 50,000 | 5 | 34.1 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| rg149-il | 100,000 | 9 | 48.8 at α=5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| rg149-il | 100,000 | 5 | 46.6 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| rg149-il | 200,000 | 9 | 63.5 at α=4.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| rg149-il | 200,000 | 5 | 57.7 at α=4.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| rg149-il | 500,000 | 9 | 81.8 at α=3.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| rg149-il | 500,000 | 5 | 70.8 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| rg149-il | 1,000,000 | 9 | 90 at α=4° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| rg149-il | 1,000,000 | 5 | 84.2 at α=6.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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