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 |
(lrn1007-il) lrn1007 | LRN(1)-1007 low Reynolds number airfoil Max thickness 7.3% at 39.8% chord Max camber 5.9% at 44.6% chord | Remove Airfoil details Airfoil plotter |
(hq3012-il) HQ 3.0/12 AIRFOIL | Quabeck HQ 3.0/12 R/C sailplane airfoil Max thickness 12% at 35% chord Max camber 3% at 50% 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 |
(hq308-il) HQ 3.0/8 AIRFOIL | Quabeck HQ 3.0/8 R/C sailplane airfoil Max thickness 8% at 35% chord Max camber 3% at 50% chord | Remove Airfoil details Airfoil plotter |
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Polars for (k3311sm-il,lrn1007-il,hq3012-il,kc135winglet-il,hq308-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 | |
| lrn1007-il | 50,000 | 9 | 30.6 at α=5.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| lrn1007-il | 50,000 | 5 | 35.7 at α=7.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| lrn1007-il | 100,000 | 9 | 51.3 at α=4.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| lrn1007-il | 100,000 | 5 | 55.3 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| lrn1007-il | 200,000 | 9 | 81.7 at α=3.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| lrn1007-il | 200,000 | 5 | 98.7 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| lrn1007-il | 500,000 | 9 | 125.3 at α=3° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| lrn1007-il | 500,000 | 5 | 150.8 at α=4° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| lrn1007-il | 1,000,000 | 9 | 127.3 at α=2.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hq3012-il | 50,000 | 9 | 34.4 at α=7.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hq3012-il | 50,000 | 5 | 36.8 at α=7° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| hq3012-il | 100,000 | 9 | 57.4 at α=6.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hq3012-il | 100,000 | 5 | 56.5 at α=5.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| hq3012-il | 200,000 | 9 | 80.8 at α=5.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hq3012-il | 200,000 | 5 | 75.1 at α=4.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| hq3012-il | 500,000 | 9 | 109.4 at α=4.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hq3012-il | 500,000 | 5 | 88.3 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| hq3012-il | 1,000,000 | 9 | 117.1 at α=3.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hq3012-il | 1,000,000 | 5 | 98.4 at α=5.25° | 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 | |
| hq308-il | 50,000 | 9 | 40.6 at α=6° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hq308-il | 50,000 | 5 | 42.2 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| hq308-il | 100,000 | 9 | 62.5 at α=5.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hq308-il | 100,000 | 5 | 60.9 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| hq308-il | 200,000 | 9 | 86.1 at α=4.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hq308-il | 200,000 | 5 | 79.6 at α=3.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| hq308-il | 500,000 | 9 | 116.5 at α=3.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hq308-il | 500,000 | 5 | 99.5 at α=2.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| hq308-il | 1,000,000 | 9 | 135.4 at α=2.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| hq308-il | 1,000,000 | 5 | 99.9 at α=2.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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