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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(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 |
(n66021-il) NACA 66-021 AIRFOIL | NACA 66(4)-021 airfoil Max thickness 21% at 45% chord Max camber 0% at 0% chord | Remove Airfoil details Airfoil plotter |
(hq3513-il) HQ 3.5/13 AIRFOIL | Quabeck HQ 3.5/13 R/C sailplane airfoil Max thickness 13% at 35% chord Max camber 3.5% at 50% chord | Remove Airfoil details Airfoil plotter |
(goe409-il) GOE 409 AIRFOIL | Gottingen 409 airfoil Max thickness 12.7% at 30% chord Max camber 0% at 0% chord | Remove Airfoil details Airfoil plotter |
(goe360-il) GOE 360 AIRFOIL | Gottingen 360 airfoil Max thickness 9.7% at 29.9% chord Max camber 5.9% at 29.9% chord | Remove Airfoil details Airfoil plotter |
(goe320-il) GOE 320 (HANSA-BRANDENBURG II.1) AIRFOIL | Gottingen 320 (Hansa-Brandenburg II.1) airfoil Max thickness 12.3% at 29.8% chord Max camber 6.2% at 29.8% chord | Remove Airfoil details Airfoil plotter |
(goe682-il) GOE 682 AIRFOIL | Gottingen 682 airfoil Max thickness 10.7% at 30% chord Max camber 4.3% at 40% chord | Remove Airfoil details Airfoil plotter |
(goe177-il) GOE 177 AIRFOIL | Gottingen 177 airfoil Max thickness 7.7% at 20% chord Max camber 5% at 40% chord | Remove Airfoil details Airfoil plotter |
Drawing Options
Polars for (goe498-il,n66021-il,hq3513-il,goe409-il,goe360-il,goe320-il,goe682-il,goe177-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| 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 | |
| n66021-il | 50,000 | 9 | 18.6 at α=10.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| n66021-il | 50,000 | 5 | 11 at α=13.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| n66021-il | 100,000 | 9 | 23.8 at α=7.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| n66021-il | 100,000 | 5 | 15.4 at α=9.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| n66021-il | 200,000 | 9 | 25.5 at α=8.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| n66021-il | 200,000 | 5 | 26.5 at α=7.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| n66021-il | 500,000 | 9 | 57.7 at α=6.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| n66021-il | 500,000 | 5 | 54.1 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| n66021-il | 1,000,000 | 9 | 78.2 at α=5.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| n66021-il | 1,000,000 | 5 | 64.9 at α=4° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| hq3513-il | 50,000 | 9 | 30.2 at α=8° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hq3513-il | 50,000 | 5 | 35.3 at α=7.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| hq3513-il | 100,000 | 9 | 56.9 at α=6.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hq3513-il | 100,000 | 5 | 56 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| hq3513-il | 200,000 | 9 | 81.6 at α=5.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hq3513-il | 200,000 | 5 | 75.3 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| hq3513-il | 500,000 | 9 | 105.6 at α=4.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hq3513-il | 500,000 | 5 | 88.7 at α=3.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| hq3513-il | 1,000,000 | 9 | 119.4 at α=3.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hq3513-il | 1,000,000 | 5 | 101.5 at α=6.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe409-il | 50,000 | 9 | 28.7 at α=4.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe409-il | 50,000 | 5 | 26.6 at α=4.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe409-il | 100,000 | 9 | 38.6 at α=3.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe409-il | 100,000 | 5 | 32.5 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe409-il | 200,000 | 9 | 40.9 at α=4.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe409-il | 200,000 | 5 | 37.7 at α=6.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe409-il | 500,000 | 9 | 46.5 at α=7.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe409-il | 500,000 | 5 | 50.7 at α=9.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe409-il | 1,000,000 | 9 | 64.2 at α=13° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe409-il | 1,000,000 | 5 | 70.5 at α=11.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe360-il | 50,000 | 9 | 20.7 at α=3° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe360-il | 50,000 | 5 | 36.2 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe360-il | 100,000 | 9 | 51.4 at α=10.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe360-il | 100,000 | 5 | 56.8 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe360-il | 200,000 | 9 | 73.4 at α=5.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe360-il | 200,000 | 5 | 76.2 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe360-il | 500,000 | 9 | 105.3 at α=7.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe360-il | 500,000 | 5 | 104.6 at α=6.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe360-il | 1,000,000 | 9 | 131.2 at α=7° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe360-il | 1,000,000 | 5 | 127.3 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe320-il | 50,000 | 9 | 29.3 at α=6.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe320-il | 50,000 | 5 | 33.6 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe320-il | 100,000 | 9 | 52.3 at α=4° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe320-il | 100,000 | 5 | 48.4 at α=4.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe320-il | 200,000 | 9 | 66.1 at α=3.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe320-il | 200,000 | 5 | 63.1 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe320-il | 500,000 | 9 | 89.2 at α=5.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe320-il | 500,000 | 5 | 85 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe320-il | 1,000,000 | 9 | 109.1 at α=5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe320-il | 1,000,000 | 5 | 98.3 at α=6.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe682-il | 50,000 | 9 | 25.4 at α=8° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe682-il | 50,000 | 5 | 37.5 at α=7° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe682-il | 100,000 | 9 | 55.9 at α=6.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe682-il | 100,000 | 5 | 57.4 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe682-il | 200,000 | 9 | 78.7 at α=5.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe682-il | 200,000 | 5 | 75.3 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe682-il | 500,000 | 9 | 106.3 at α=4.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe682-il | 500,000 | 5 | 97.4 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe682-il | 1,000,000 | 9 | 126.5 at α=4.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe682-il | 1,000,000 | 5 | 112.6 at α=3.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe177-il | 50,000 | 9 | 39.1 at α=8.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe177-il | 50,000 | 5 | 41.5 at α=6.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe177-il | 100,000 | 9 | 58.3 at α=7.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe177-il | 100,000 | 5 | 57.8 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe177-il | 200,000 | 9 | 74.7 at α=5.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe177-il | 200,000 | 5 | 71.5 at α=4.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe177-il | 500,000 | 9 | 91.2 at α=3.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe177-il | 500,000 | 5 | 79.8 at α=2.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe177-il | 1,000,000 | 9 | 99.9 at α=2.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe177-il | 1,000,000 | 5 | 89.6 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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