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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(s1091-il) S1091 | Selig S1091 airfoil Max thickness 5.1% at 13.4% chord Max camber 5.7% at 45.1% chord | Remove Airfoil details Airfoil plotter |
(s1046-il) S1046 17% (Danny Howell) | Selig S1046 airfoil Max thickness 17% at 30.8% chord Max camber 0% at 0% chord | Remove Airfoil details Airfoil plotter |
(wb13535sm-il) WB-135/35 13.5% smoothed | Woody Blanchard WB135/35 R/C sailplane airfoil Max thickness 13.6% at 25% chord Max camber 3.8% at 50% chord | Remove Airfoil details Airfoil plotter |
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Polars for (s1091-il,s1046-il,wb13535sm-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| s1091-il | 50,000 | 9 | 46.1 at α=6.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s1091-il | 50,000 | 5 | 48.3 at α=5.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s1091-il | 100,000 | 9 | 70.6 at α=5.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s1091-il | 100,000 | 5 | 69.9 at α=4.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s1091-il | 200,000 | 9 | 96.2 at α=4° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s1091-il | 200,000 | 5 | 90.7 at α=3.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s1091-il | 500,000 | 9 | 129.8 at α=2.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s1091-il | 500,000 | 5 | 111 at α=2.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s1091-il | 1,000,000 | 9 | 153 at α=2.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s1091-il | 1,000,000 | 5 | 117.7 at α=3.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s1046-il | 50,000 | 9 | 16.2 at α=3.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s1046-il | 50,000 | 5 | 25.3 at α=6.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s1046-il | 100,000 | 9 | 37.2 at α=7° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s1046-il | 100,000 | 5 | 40.5 at α=7.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s1046-il | 200,000 | 9 | 55 at α=8° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s1046-il | 200,000 | 5 | 54.6 at α=8.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s1046-il | 500,000 | 9 | 77 at α=9° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s1046-il | 500,000 | 5 | 70.4 at α=9° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s1046-il | 1,000,000 | 9 | 90.9 at α=9° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s1046-il | 1,000,000 | 5 | 80.9 at α=8° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| wb13535sm-il | 50,000 | 9 | 26.6 at α=11.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| wb13535sm-il | 50,000 | 5 | 33.4 at α=7.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| wb13535sm-il | 100,000 | 9 | 51.8 at α=6° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| wb13535sm-il | 100,000 | 5 | 51.6 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| wb13535sm-il | 200,000 | 9 | 73.8 at α=4.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| wb13535sm-il | 200,000 | 5 | 68.8 at α=3.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| wb13535sm-il | 500,000 | 9 | 101.3 at α=3.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| wb13535sm-il | 500,000 | 5 | 84.6 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| wb13535sm-il | 1,000,000 | 9 | 108.2 at α=6° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| wb13535sm-il | 1,000,000 | 5 | 102.4 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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