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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(hq358-il) HQ 3.5/8 AIRFOIL | Quabeck HQ 3.5/8 R/C sailplane airfoil Max thickness 8% at 35% chord Max camber 3.5% at 50% chord | Remove Airfoil details Airfoil plotter |
(goe670-il) GOE 670 AIRFOIL | Gottingen 670 airfoil Max thickness 9% at 30% chord Max camber 3.4% at 40% chord | Remove Airfoil details Airfoil plotter |
(oaf117-il) OAF117 AIRFOIL | ONERA/Aerospatiale OAF117 Fenestron airfoil Max thickness 11.5% at 23.2% chord Max camber 2% at 46.9% chord | Remove Airfoil details Airfoil plotter |
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Polars for (hq358-il,goe670-il,oaf117-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| hq358-il | 50,000 | 9 | 40.9 at α=6.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hq358-il | 50,000 | 5 | 43.3 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| hq358-il | 100,000 | 9 | 64.7 at α=5.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hq358-il | 100,000 | 5 | 63.5 at α=4.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| hq358-il | 200,000 | 9 | 90.2 at α=4.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hq358-il | 200,000 | 5 | 84.2 at α=3.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| hq358-il | 500,000 | 9 | 123.6 at α=3.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hq358-il | 500,000 | 5 | 106 at α=2.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| hq358-il | 1,000,000 | 9 | 144.9 at α=2.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hq358-il | 1,000,000 | 5 | 109.6 at α=4.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe670-il | 50,000 | 9 | 35.7 at α=6.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe670-il | 50,000 | 5 | 37.2 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe670-il | 100,000 | 9 | 57.1 at α=5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe670-il | 100,000 | 5 | 54.4 at α=4.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe670-il | 200,000 | 9 | 78.4 at α=4° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe670-il | 200,000 | 5 | 70.5 at α=3.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe670-il | 500,000 | 9 | 101.9 at α=3.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe670-il | 500,000 | 5 | 81.9 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| goe670-il | 1,000,000 | 9 | 114.1 at α=2.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| goe670-il | 1,000,000 | 5 | 97.8 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| oaf117-il | 50,000 | 9 | 28.3 at α=8.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| oaf117-il | 50,000 | 5 | 34.8 at α=7.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| oaf117-il | 100,000 | 9 | 46.9 at α=7.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| oaf117-il | 100,000 | 5 | 49.5 at α=6.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| oaf117-il | 200,000 | 9 | 64.2 at α=6.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| oaf117-il | 200,000 | 5 | 63 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| oaf117-il | 500,000 | 9 | 84.4 at α=6° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| oaf117-il | 500,000 | 5 | 78.5 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| oaf117-il | 1,000,000 | 9 | 96.8 at α=5.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| oaf117-il | 1,000,000 | 5 | 89.7 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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