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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(oa206-il) ONERA OA206 AIRFOIL | ONERA/Aerospatiale OA206 rotorcraft airfoil (Constructed from patent and smoothed) Max thickness 6% at 31.8% chord Max camber 0.8% at 19.6% chord | Remove Airfoil details Airfoil plotter |
(ht12-il) HT12 | Drela HT12 airfoil Max thickness 5% at 18.6% chord Max camber 0% at 0% chord | Remove Airfoil details Airfoil plotter |
(e184-il) E184 (8.33%) | Eppler E184 low Reynolds number airfoil Max thickness 8.3% at 33.3% chord Max camber 0.8% at 38.3% chord | Remove Airfoil details Airfoil plotter |
(sd7037-il) SD7037-092-88 | Selig/Donovan SD7037 low Reynolds number airfoil Max thickness 9.2% at 26.1% chord Max camber 2.5% at 44.7% chord | Remove Airfoil details Airfoil plotter |
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Polars for (oa206-il,ht12-il,e184-il,sd7037-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| oa206-il | 50,000 | 9 | 27.3 at α=4° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| oa206-il | 50,000 | 5 | 27.1 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| oa206-il | 100,000 | 9 | 36.4 at α=3.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| oa206-il | 100,000 | 5 | 35.9 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| oa206-il | 200,000 | 9 | 46.1 at α=4.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| oa206-il | 200,000 | 5 | 44.1 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| oa206-il | 500,000 | 9 | 58.6 at α=4.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| oa206-il | 500,000 | 5 | 56.3 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| oa206-il | 1,000,000 | 9 | 67.6 at α=4.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| oa206-il | 1,000,000 | 5 | 69.7 at α=6.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ht12-il | 50,000 | 9 | 21.2 at α=2.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ht12-il | 50,000 | 5 | 20.3 at α=4° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ht12-il | 100,000 | 9 | 26.8 at α=2.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ht12-il | 100,000 | 5 | 26.8 at α=4.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ht12-il | 200,000 | 9 | 32.3 at α=3.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ht12-il | 200,000 | 5 | 35.1 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ht12-il | 500,000 | 9 | 45.2 at α=4.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ht12-il | 500,000 | 5 | 50.2 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ht12-il | 1,000,000 | 9 | 58.3 at α=5.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ht12-il | 1,000,000 | 5 | 64.7 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e184-il | 50,000 | 9 | 30.9 at α=6° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e184-il | 50,000 | 5 | 31.7 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e184-il | 100,000 | 9 | 44.4 at α=5.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e184-il | 100,000 | 5 | 43.2 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e184-il | 200,000 | 9 | 58 at α=5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e184-il | 200,000 | 5 | 53.5 at α=4.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e184-il | 500,000 | 9 | 73.9 at α=4.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e184-il | 500,000 | 5 | 63.9 at α=3.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e184-il | 1,000,000 | 9 | 82.4 at α=3.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e184-il | 1,000,000 | 5 | 67 at α=3.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sd7037-il | 50,000 | 9 | 34.5 at α=6.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sd7037-il | 50,000 | 5 | 39.1 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sd7037-il | 100,000 | 9 | 55.2 at α=5.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sd7037-il | 100,000 | 5 | 55.4 at α=5.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sd7037-il | 200,000 | 9 | 74.7 at α=4.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sd7037-il | 200,000 | 5 | 70.8 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sd7037-il | 500,000 | 9 | 99.3 at α=4.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sd7037-il | 500,000 | 5 | 90.1 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sd7037-il | 1,000,000 | 9 | 116 at α=4.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sd7037-il | 1,000,000 | 5 | 104.6 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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