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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(sc1095-il) SIKORSKY SC1095 AIRFOIL | Sikorsky/Balch SC1095 rotorcraft airfoil Max thickness 9.5% at 26.9% chord Max camber 0.8% at 26.9% chord | Remove Airfoil details Airfoil plotter |
(sc20406-il) NASA SC(2)-0406 AIRFOIL | NASA SC(2)-0406 airfoil (NASA TP-2969) Max thickness 6% at 35% chord Max camber 0.6% at 79% chord | Remove Airfoil details Airfoil plotter |
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Polars for (sc1095-il,sc20406-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| sc1095-il | 50,000 | 9 | 25.3 at α=3.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sc1095-il | 50,000 | 5 | 26.6 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sc1095-il | 100,000 | 9 | 34.2 at α=3.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sc1095-il | 100,000 | 5 | 36.4 at α=6.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sc1095-il | 200,000 | 9 | 45.3 at α=11° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sc1095-il | 200,000 | 5 | 48.8 at α=10° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sc1095-il | 500,000 | 9 | 69.5 at α=10° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sc1095-il | 500,000 | 5 | 70.2 at α=8.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sc1095-il | 1,000,000 | 9 | 87 at α=9.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sc1095-il | 1,000,000 | 5 | 85.6 at α=8.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sc20406-il | 50,000 | 9 | 20.9 at α=3.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sc20406-il | 50,000 | 5 | 24.5 at α=2.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sc20406-il | 100,000 | 9 | 37.2 at α=2.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sc20406-il | 100,000 | 5 | 32.3 at α=2° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sc20406-il | 200,000 | 9 | 47.5 at α=2° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sc20406-il | 200,000 | 5 | 36.8 at α=3.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sc20406-il | 500,000 | 9 | 52.9 at α=1.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sc20406-il | 500,000 | 5 | 50.3 at α=4° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| sc20406-il | 1,000,000 | 9 | 59.8 at α=4° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| sc20406-il | 1,000,000 | 5 | 61.5 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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