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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(goe269-il) GOE 269 AIRFOIL | Gottingen 269 airfoil Max thickness 6.6% at 29.9% chord Max camber 5% at 39.9% chord | Remove Airfoil details Airfoil plotter |
(goe178-il) GOE 178 AIRFOIL | Gottingen 178 airfoil Max thickness 8.5% at 30% chord Max camber 4.4% at 30% chord | Remove Airfoil details Airfoil plotter |
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Polars for (goe269-il,goe178-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| goe269-il | 50,000 | 9 | 36.1 at α=7.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe269-il | 50,000 | 5 | 43.2 at α=6.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe269-il | 100,000 | 9 | 59.1 at α=6.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe269-il | 100,000 | 5 | 61.5 at α=5.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe269-il | 200,000 | 9 | 80.2 at α=5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe269-il | 200,000 | 5 | 79.2 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe269-il | 500,000 | 9 | 107.7 at α=5.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe269-il | 500,000 | 5 | 102.9 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe269-il | 1,000,000 | 9 | 127.9 at α=5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe269-il | 1,000,000 | 5 | 115.6 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe178-il | 50,000 | 9 | 37.8 at α=8.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe178-il | 50,000 | 5 | 38.9 at α=8.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe178-il | 100,000 | 9 | 58.1 at α=8° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe178-il | 100,000 | 5 | 58.6 at α=7.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe178-il | 200,000 | 9 | 78.1 at α=7° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe178-il | 200,000 | 5 | 76.5 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe178-il | 500,000 | 9 | 104.5 at α=5.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe178-il | 500,000 | 5 | 98.5 at α=4.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe178-il | 1,000,000 | 9 | 123 at α=4.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe178-il | 1,000,000 | 5 | 110.5 at α=3.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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