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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(sc20012-il) NASA SC(2)-0012 AIRFOIL | NASA SC(2)-0012 airfoil (NASA TP-2969) Max thickness 12% at 37% chord Max camber 0% at 0% chord | Remove Airfoil details Airfoil plotter |
(s833-nr) NREL's S833 Airfoil | NREL HAWT airfoil S833 primary 18.0% Dia=1 to 3 m Re=4.0E+5 Clmax(S)=1.10 Clmax(R)=1.13 High max lift coef Max thickness 18% at 36.3% chord Max camber 2.5% at 78.8% chord | Remove Airfoil details Airfoil plotter |
(sc1012r8-il) SIKORSKY SC1012R8 AIRFOIL | Sikorsky SC1012 R8 rotorcraft airfoil Max thickness 12% at 27.8% chord Max camber 2.7% at 21.8% chord | Remove Airfoil details Airfoil plotter |
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Polars for (sc20012-il,s833-nr,sc1012r8-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| sc20012-il | 50,000 | 9 | 24.6 at α=4.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sc20012-il | 50,000 | 5 | 23.6 at α=3.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sc20012-il | 100,000 | 9 | 33.1 at α=3.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sc20012-il | 100,000 | 5 | 29.7 at α=5.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sc20012-il | 200,000 | 9 | 36 at α=5.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sc20012-il | 200,000 | 5 | 39.9 at α=7.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sc20012-il | 500,000 | 9 | 53.7 at α=8° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sc20012-il | 500,000 | 5 | 58.6 at α=9° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sc20012-il | 1,000,000 | 9 | 71.8 at α=9° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sc20012-il | 1,000,000 | 5 | 72.9 at α=9.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s833-nr | 50,000 | 9 | 27.5 at α=9.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s833-nr | 50,000 | 5 | 23.6 at α=9.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s833-nr | 100,000 | 9 | 39.4 at α=8.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s833-nr | 100,000 | 5 | 36.8 at α=7.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s833-nr | 200,000 | 9 | 54.8 at α=6.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s833-nr | 200,000 | 5 | 55.3 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s833-nr | 500,000 | 9 | 86.4 at α=4.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s833-nr | 500,000 | 5 | 74.3 at α=3.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s833-nr | 1,000,000 | 9 | 104.1 at α=3.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s833-nr | 1,000,000 | 5 | 79.9 at α=2.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sc1012r8-il | 50,000 | 9 | 23.6 at α=3° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sc1012r8-il | 50,000 | 5 | 26.7 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sc1012r8-il | 100,000 | 9 | 34 at α=5.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sc1012r8-il | 100,000 | 5 | 37.6 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sc1012r8-il | 200,000 | 9 | 46.4 at α=6° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sc1012r8-il | 200,000 | 5 | 50.8 at α=7.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sc1012r8-il | 500,000 | 9 | 68.3 at α=6.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sc1012r8-il | 500,000 | 5 | 72.1 at α=8.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sc1012r8-il | 1,000,000 | 9 | 88.5 at α=7.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sc1012r8-il | 1,000,000 | 5 | 90.7 at α=9.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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