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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(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 |
(s1221-il) S1221 w/o flap | Selig S1221 airfoil Max thickness 12.1% at 21.8% chord Max camber 4.9% at 49.1% chord | Remove Airfoil details Airfoil plotter |
(s1223-il) S1223 | Selig S1223 high lift low Reynolds number airfoil Max thickness 12.1% at 19.8% chord Max camber 8.1% at 49% chord | Remove Airfoil details Airfoil plotter |
(s1223rtl-il) S1223 RTL | Richard T. LaSalle modification of the S1223 to S1223RTL Max thickness 13.5% at 19.9% chord Max camber 8.3% at 55.2% chord | Remove Airfoil details Airfoil plotter |
(kc135winglet-il) KC-135 Winglet (supercritical Whitcomb) | Boeing KC-135 winglet airfoil designed by Richard T. Whitcomb Max thickness 8% at 40% chord Max camber 2.7% at 65% chord | Remove Airfoil details Airfoil plotter |
(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 |
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Polars for (s1046-il,s1221-il,s1223-il,s1223rtl-il,kc135winglet-il,k3311sm-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| 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 | |
| s1221-il | 50,000 | 9 | 27.1 at α=3.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s1221-il | 50,000 | 5 | 36.6 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s1221-il | 100,000 | 9 | 45.2 at α=3.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s1221-il | 100,000 | 5 | 54.5 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s1221-il | 200,000 | 9 | 70 at α=11.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s1221-il | 200,000 | 5 | 76.5 at α=7.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s1221-il | 500,000 | 9 | 107.5 at α=9.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s1221-il | 500,000 | 5 | 110 at α=8.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s1221-il | 1,000,000 | 9 | 137.9 at α=8.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s1221-il | 1,000,000 | 5 | 135.1 at α=8° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s1223-il | 50,000 | 9 | 33.1 at α=2° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s1223-il | 50,000 | 5 | 42.3 at α=3.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s1223-il | 100,000 | 9 | 54.5 at α=3.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s1223-il | 100,000 | 5 | 59.2 at α=4° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s1223-il | 200,000 | 9 | 73.6 at α=3.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s1223-il | 200,000 | 5 | 75.3 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s1223-il | 500,000 | 9 | 98.8 at α=4.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s1223-il | 500,000 | 5 | 97.4 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s1223-il | 1,000,000 | 9 | 121.4 at α=5.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s1223-il | 1,000,000 | 5 | 120 at α=6.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s1223rtl-il | 50,000 | 9 | 31.6 at α=1.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s1223rtl-il | 50,000 | 5 | 35.9 at α=3.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s1223rtl-il | 100,000 | 9 | 43.3 at α=2.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s1223rtl-il | 100,000 | 5 | 49.8 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s1223rtl-il | 200,000 | 9 | 98 at α=-1.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s1223rtl-il | 200,000 | 5 | 64.6 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s1223rtl-il | 500,000 | 9 | 84 at α=5.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s1223rtl-il | 500,000 | 5 | 85.4 at α=5.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| s1223rtl-il | 1,000,000 | 9 | 106.7 at α=6.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| s1223rtl-il | 1,000,000 | 5 | 106.8 at α=5.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| kc135winglet-il | 50,000 | 9 | 40.8 at α=4.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| kc135winglet-il | 50,000 | 5 | 40.9 at α=4.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| kc135winglet-il | 100,000 | 9 | 62.3 at α=3.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| kc135winglet-il | 100,000 | 5 | 59.2 at α=3.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| kc135winglet-il | 200,000 | 9 | 85.6 at α=3.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| kc135winglet-il | 200,000 | 5 | 73.2 at α=2° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| kc135winglet-il | 500,000 | 9 | 103.4 at α=2° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| kc135winglet-il | 500,000 | 5 | 88.7 at α=0.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| kc135winglet-il | 1,000,000 | 9 | 116.5 at α=1° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| kc135winglet-il | 1,000,000 | 5 | 89.1 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| 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 | |
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