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 | ||
(goe646-il) GOE 646 AIRFOIL | Gottingen 646 airfoil Max thickness 18.3% at 29% chord Max camber 4.5% at 49% chord | Remove Airfoil details Airfoil plotter |
(goe744-il) GOE 744 AIRFOIL | Gottingen 744 airfoil Max thickness 14.5% at 20% chord Max camber 7% at 30% chord | Remove Airfoil details Airfoil plotter |
(s4061-il) S4061-096-84 | Selig S4061 low Reynolds number airfoil Max thickness 9.6% at 30.9% chord Max camber 3.3% at 44.7% chord | Remove Airfoil details Airfoil plotter |
(e226-il) E226 (10.19%) | Eppler E226 low Reynolds number airfoil Max thickness 10.2% at 31.3% chord Max camber 0.5% at 56.9% chord | Remove Airfoil details Airfoil plotter |
(goe319-il) GOE 319 (HANSA-BRANDENBURG II) AIRFOIL | Gottingen 319 (Hansa-Brandenburg II) airfoil Max thickness 10.3% at 29.8% chord Max camber 5.8% at 29.8% chord | Remove Airfoil details Airfoil plotter |
(fx79w470a-il) FX 79-W-470A | Wortmann FX 79-W-470A airfoil for use on wind turbines (W) Max thickness 46.4% at 37.1% chord Max camber 3.8% at 22.2% chord | Remove Airfoil details Airfoil plotter |
(s8038-il) S8038 (13%) | Selig S8038 (13%) low Reynolds number airfoil Max thickness 13% at 32.9% chord Max camber 0.6% at 40.1% chord | Remove Airfoil details Airfoil plotter |
(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 |
Drawing Options
Polars for (goe646-il,goe744-il,s4061-il,e226-il,goe319-il,fx79w470a-il,s8038-il,e399-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| goe646-il | 50,000 | 9 | 5.2 at α=7.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe646-il | 50,000 | 5 | 18.5 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe646-il | 100,000 | 9 | 43.6 at α=8° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe646-il | 100,000 | 5 | 46.4 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe646-il | 200,000 | 9 | 68.8 at α=6.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe646-il | 200,000 | 5 | 65.2 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe646-il | 500,000 | 9 | 95.9 at α=5.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe646-il | 500,000 | 5 | 77.2 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe646-il | 1,000,000 | 9 | 105.2 at α=5.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe646-il | 1,000,000 | 5 | 85.4 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe744-il | 50,000 | 9 | 3.9 at α=10.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe744-il | 50,000 | 5 | 7.9 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe744-il | 100,000 | 9 | 5 at α=6.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe744-il | 100,000 | 5 | 35.5 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe744-il | 200,000 | 9 | 56.8 at α=8.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe744-il | 200,000 | 5 | 64.8 at α=6.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe744-il | 500,000 | 9 | 98.9 at α=6.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe744-il | 500,000 | 5 | 97.3 at α=6.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe744-il | 1,000,000 | 9 | 128.4 at α=7° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe744-il | 1,000,000 | 5 | 114.9 at α=8.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s4061-il | 50,000 | 9 | 35.7 at α=8.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s4061-il | 50,000 | 5 | 39.1 at α=7.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s4061-il | 100,000 | 9 | 59.7 at α=7.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s4061-il | 100,000 | 5 | 60.7 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s4061-il | 200,000 | 9 | 84.3 at α=6.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s4061-il | 200,000 | 5 | 81.2 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s4061-il | 500,000 | 9 | 116.6 at α=5.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s4061-il | 500,000 | 5 | 105.7 at α=4.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s4061-il | 1,000,000 | 9 | 139.3 at α=4.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s4061-il | 1,000,000 | 5 | 121.2 at α=3.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e226-il | 50,000 | 9 | 30.4 at α=6.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e226-il | 50,000 | 5 | 32.2 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e226-il | 100,000 | 9 | 45.3 at α=5.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e226-il | 100,000 | 5 | 44.2 at α=5.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e226-il | 200,000 | 9 | 59.6 at α=5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e226-il | 200,000 | 5 | 55.3 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e226-il | 500,000 | 9 | 77.1 at α=4.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e226-il | 500,000 | 5 | 67.3 at α=4.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e226-il | 1,000,000 | 9 | 86.8 at α=4.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e226-il | 1,000,000 | 5 | 73.4 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe319-il | 50,000 | 9 | 26.1 at α=5.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe319-il | 50,000 | 5 | 36.7 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe319-il | 100,000 | 9 | 53.3 at α=5.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe319-il | 100,000 | 5 | 55.2 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe319-il | 200,000 | 9 | 75.2 at α=4.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe319-il | 200,000 | 5 | 71.6 at α=3.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe319-il | 500,000 | 9 | 101.6 at α=3.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe319-il | 500,000 | 5 | 91.1 at α=7° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe319-il | 1,000,000 | 9 | 114 at α=8° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe319-il | 1,000,000 | 5 | 112.8 at α=8.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s8038-il | 50,000 | 9 | 29.2 at α=6.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s8038-il | 50,000 | 5 | 30.3 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s8038-il | 100,000 | 9 | 45.2 at α=5.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s8038-il | 100,000 | 5 | 43.2 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s8038-il | 200,000 | 9 | 59.8 at α=5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s8038-il | 200,000 | 5 | 52.9 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s8038-il | 500,000 | 9 | 71.6 at α=6.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s8038-il | 500,000 | 5 | 69 at α=7.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s8038-il | 1,000,000 | 9 | 85.8 at α=7.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s8038-il | 1,000,000 | 5 | 83.6 at α=8.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| 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 | |
| Reynolds number calculator | |||||||