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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(hq108-il) HQ 1.0/8 AIRFOIL | Quabeck HQ 1.0/8 R/C sailplane airfoil Max thickness 8% at 35% chord Max camber 1% at 50% chord | Remove Airfoil details Airfoil plotter |
(s2055-il) S2055 | Selig S2055 low Reynolds number airfoil Max thickness 8% at 34.8% chord Max camber 1.4% at 44.6% chord | Remove Airfoil details Airfoil plotter |
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Polars for (hq108-il,s2055-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| hq108-il | 50,000 | 9 | 33.4 at α=5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hq108-il | 50,000 | 5 | 33.3 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| hq108-il | 100,000 | 9 | 48 at α=4.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hq108-il | 100,000 | 5 | 44.7 at α=4° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| hq108-il | 200,000 | 9 | 62.4 at α=4° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hq108-il | 200,000 | 5 | 54.6 at α=3.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| hq108-il | 500,000 | 9 | 78.6 at α=3.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hq108-il | 500,000 | 5 | 63.9 at α=4° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| hq108-il | 1,000,000 | 9 | 85 at α=2.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hq108-il | 1,000,000 | 5 | 72.2 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s2055-il | 50,000 | 9 | 35.1 at α=5.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s2055-il | 50,000 | 5 | 35.2 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s2055-il | 100,000 | 9 | 51.9 at α=4.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s2055-il | 100,000 | 5 | 48.8 at α=4° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s2055-il | 200,000 | 9 | 70.1 at α=3.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s2055-il | 200,000 | 5 | 61.9 at α=3° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s2055-il | 500,000 | 9 | 92.9 at α=2.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s2055-il | 500,000 | 5 | 71.8 at α=4.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s2055-il | 1,000,000 | 9 | 95.4 at α=2.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s2055-il | 1,000,000 | 5 | 81 at α=4.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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