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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(goe647-il) GOE 647 AIRFOIL | Gottingen 647 airfoil Max thickness 16.2% at 19.5% chord Max camber 5.3% at 39.4% chord | Remove Airfoil details Airfoil plotter |
(goe681-il) GOE 681 AIRFOIL | Gottingen 681 airfoil Max thickness 16.8% at 29.2% chord Max camber 4.4% at 39.2% chord | Remove Airfoil details Airfoil plotter |
(goe673-il) GOE 673 AIRFOIL | Gottingen 673 airfoil Max thickness 10.8% at 29.7% chord Max camber 2.8% at 49.7% chord | Remove Airfoil details Airfoil plotter |
(goe655-il) GOE 655 AIRFOIL | Gottingen 655 airfoil Max thickness 13.9% at 30% chord Max camber 4.4% at 40% chord | Remove Airfoil details Airfoil plotter |
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Polars for (goe647-il,goe681-il,goe673-il,goe655-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| goe647-il | 50,000 | 9 | 13.1 at α=1.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe647-il | 50,000 | 5 | 28.3 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe647-il | 100,000 | 9 | 41.5 at α=4.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe647-il | 100,000 | 5 | 44.5 at α=5.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe647-il | 200,000 | 9 | 59 at α=5.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe647-il | 200,000 | 5 | 58.5 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe647-il | 500,000 | 9 | 81.7 at α=5.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe647-il | 500,000 | 5 | 81.3 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe647-il | 1,000,000 | 9 | 105.8 at α=5.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe647-il | 1,000,000 | 5 | 104.3 at α=7° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe681-il | 50,000 | 9 | 9.7 at α=3.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe681-il | 50,000 | 5 | 26.5 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe681-il | 100,000 | 9 | 44.3 at α=4.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe681-il | 100,000 | 5 | 42.2 at α=3.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe681-il | 200,000 | 9 | 61.7 at α=2.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe681-il | 200,000 | 5 | 55.4 at α=3.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe681-il | 500,000 | 9 | 79.3 at α=3.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe681-il | 500,000 | 5 | 73.9 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe681-il | 1,000,000 | 9 | 97.8 at α=4.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe681-il | 1,000,000 | 5 | 94 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe673-il | 50,000 | 9 | 38.1 at α=6.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe673-il | 50,000 | 5 | 37.5 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe673-il | 100,000 | 9 | 56 at α=5.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe673-il | 100,000 | 5 | 55.5 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe673-il | 200,000 | 9 | 75 at α=4.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe673-il | 200,000 | 5 | 73.4 at α=4.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe673-il | 500,000 | 9 | 100.6 at α=3.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe673-il | 500,000 | 5 | 94.9 at α=3.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe673-il | 1,000,000 | 9 | 118.4 at α=3.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe673-il | 1,000,000 | 5 | 109.5 at α=3.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe655-il | 50,000 | 9 | 16.1 at α=3° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe655-il | 50,000 | 5 | 32.3 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe655-il | 100,000 | 9 | 45.6 at α=5.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe655-il | 100,000 | 5 | 49 at α=6.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe655-il | 200,000 | 9 | 64.5 at α=7° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe655-il | 200,000 | 5 | 64.9 at α=7.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe655-il | 500,000 | 9 | 91.1 at α=7.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe655-il | 500,000 | 5 | 89.5 at α=6.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe655-il | 1,000,000 | 9 | 115.7 at α=7.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe655-il | 1,000,000 | 5 | 109 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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