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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(k3311sm-il) K3311 (smoothed) | Leon Kincaid K3311 airfoil (smoothed) Max thickness 11% at 30.6% chord Max camber 3.2% at 41.6% chord | Remove Airfoil details Airfoil plotter |
(s102s-il) SOMERS S102 AIRFOIL (SHARP) | Dan Somers airfoil for the Toyota general aviation airplane Max thickness 15% at 40% chord Max camber 2.1% at 68.7% chord | Remove Airfoil details Airfoil plotter |
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Polars for (k3311sm-il,s102s-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| k3311sm-il | 50,000 | 9 | 33.9 at α=9.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| k3311sm-il | 50,000 | 5 | 36.4 at α=8° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| k3311sm-il | 100,000 | 9 | 55.4 at α=8.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| k3311sm-il | 100,000 | 5 | 57 at α=7° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| k3311sm-il | 200,000 | 9 | 77.6 at α=7° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| k3311sm-il | 200,000 | 5 | 76.4 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| k3311sm-il | 500,000 | 9 | 108.3 at α=5.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| k3311sm-il | 500,000 | 5 | 101.1 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| k3311sm-il | 1,000,000 | 9 | 130.9 at α=5.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| k3311sm-il | 1,000,000 | 5 | 118.7 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s102s-il | 50,000 | 9 | 30.2 at α=7.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s102s-il | 50,000 | 5 | 26.4 at α=9.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s102s-il | 100,000 | 9 | 40.5 at α=6.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s102s-il | 100,000 | 5 | 42.2 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s102s-il | 200,000 | 9 | 59.6 at α=5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s102s-il | 200,000 | 5 | 57 at α=4° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s102s-il | 500,000 | 9 | 82.3 at α=4° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s102s-il | 500,000 | 5 | 69.8 at α=2.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s102s-il | 1,000,000 | 9 | 95.9 at α=3° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s102s-il | 1,000,000 | 5 | 82.2 at α=8° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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