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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(s4094-il) S4094 (root airfoil designed for and used on the E-flite UMX ASK-21 scale RC sailplane) | Selig airfoil for micro RC soaring. Used on the E-flite UMX ASK-21 scale RC sailplane. Max thickness 9.9% at 29.1% chord Max camber 1.8% at 33.6% chord | Remove Airfoil details Airfoil plotter |
(s8055-il) S8055 (12%) | Selig S8055 (12%) low Reynolds number airfoil Max thickness 12% at 33.9% chord Max camber 1.6% at 44.7% 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 |
(sc1094r8-il) SIKORSKY SC1094 R8 AIRFOIL | Sikorsky/Velkoff SC1094 R8 rotorcraft airfoil Max thickness 9.4% at 27.8% chord Max camber 2.1% at 21.7% chord | Remove Airfoil details Airfoil plotter |
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Polars for (s4094-il,s8055-il,sc1012r8-il,sc1094r8-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| s4094-il | 50,000 | 9 | 29.1 at α=6.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s4094-il | 50,000 | 5 | 34.8 at α=6.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s4094-il | 100,000 | 9 | 44.9 at α=6.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s4094-il | 100,000 | 5 | 47.1 at α=7° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s4094-il | 200,000 | 9 | 59.3 at α=6.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s4094-il | 200,000 | 5 | 58.8 at α=7° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s4094-il | 500,000 | 9 | 76.5 at α=6.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s4094-il | 500,000 | 5 | 73.3 at α=7° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s4094-il | 1,000,000 | 9 | 87.8 at α=6.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s4094-il | 1,000,000 | 5 | 82.8 at α=7° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s8055-il | 50,000 | 9 | 32.2 at α=7° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s8055-il | 50,000 | 5 | 32.7 at α=6.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s8055-il | 100,000 | 9 | 50.8 at α=5.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s8055-il | 100,000 | 5 | 48.3 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s8055-il | 200,000 | 9 | 71 at α=4.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s8055-il | 200,000 | 5 | 62.3 at α=4.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s8055-il | 500,000 | 9 | 86.2 at α=4.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s8055-il | 500,000 | 5 | 74.9 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s8055-il | 1,000,000 | 9 | 95 at α=6° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s8055-il | 1,000,000 | 5 | 88.7 at α=6.75° | 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 | |
| sc1094r8-il | 50,000 | 9 | 24.5 at α=2.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sc1094r8-il | 50,000 | 5 | 27.1 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sc1094r8-il | 100,000 | 9 | 33.7 at α=4.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sc1094r8-il | 100,000 | 5 | 37.7 at α=6.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sc1094r8-il | 200,000 | 9 | 45.6 at α=5.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sc1094r8-il | 200,000 | 5 | 50.8 at α=6.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sc1094r8-il | 500,000 | 9 | 67.8 at α=7.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sc1094r8-il | 500,000 | 5 | 72.5 at α=8° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sc1094r8-il | 1,000,000 | 9 | 88.3 at α=8° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sc1094r8-il | 1,000,000 | 5 | 91.7 at α=9.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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