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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(isa571-il) I.S.A. 571 | I.S.A. 571 airfoil Max thickness 7.4% at 30% chord Max camber 3.6% at 30% chord | Remove Airfoil details Airfoil plotter |
(lnv109a-il) LNV109A | Douglas/Liebeck LNV109A high lift airfoil Max thickness 13% at 23.5% chord Max camber 6% at 31.5% chord | Remove Airfoil details Airfoil plotter |
(la2573a-il) LA2573A | Liebeck LA2573A airfoil Max thickness 13.7% at 28.8% chord Max camber 3.2% at 26.1% chord | Remove Airfoil details Airfoil plotter |
(l7769-il) LISSAMAN 7769 AIRFOIL | Lissaman 7769 human powered aircraft airfoil Max thickness 11% at 30% chord Max camber 4.4% at 30% chord | Remove Airfoil details Airfoil plotter |
(kc135a-il) KC-135 BL52.44 AIRFOIL | Boeing KC-135 transonic airfoils Max thickness 15.5% at 35% chord Max camber 1.3% at 20% chord | Remove Airfoil details Airfoil plotter |
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Polars for (isa571-il,lnv109a-il,la2573a-il,l7769-il,kc135a-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| isa571-il | 50,000 | 9 | 35.4 at α=3.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| isa571-il | 50,000 | 5 | 39.4 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| isa571-il | 100,000 | 9 | 51.6 at α=7.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| isa571-il | 100,000 | 5 | 54.3 at α=6.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| isa571-il | 200,000 | 9 | 69.6 at α=6.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| isa571-il | 200,000 | 5 | 70.6 at α=5.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| isa571-il | 500,000 | 9 | 93.6 at α=5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| isa571-il | 500,000 | 5 | 89.1 at α=4° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| isa571-il | 1,000,000 | 9 | 109.4 at α=4° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| isa571-il | 1,000,000 | 5 | 100.5 at α=4.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| lnv109a-il | 50,000 | 9 | 5.5 at α=7° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| lnv109a-il | 50,000 | 5 | 9.8 at α=2.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| lnv109a-il | 100,000 | 9 | 7 at α=6.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| lnv109a-il | 100,000 | 5 | 23.3 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| lnv109a-il | 200,000 | 9 | 25.5 at α=4.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| lnv109a-il | 200,000 | 5 | 58.3 at α=9.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| lnv109a-il | 500,000 | 9 | 111.2 at α=11.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| lnv109a-il | 500,000 | 5 | 113.7 at α=10° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| lnv109a-il | 1,000,000 | 9 | 151.5 at α=10° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| lnv109a-il | 1,000,000 | 5 | 149.6 at α=9° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| la2573a-il | 50,000 | 9 | 6.9 at α=-0.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| la2573a-il | 50,000 | 5 | 13.4 at α=3.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| la2573a-il | 100,000 | 9 | 15.7 at α=14.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| la2573a-il | 100,000 | 5 | 27.9 at α=6.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| la2573a-il | 200,000 | 9 | 62.3 at α=11.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| la2573a-il | 200,000 | 5 | 64.9 at α=9.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| la2573a-il | 500,000 | 9 | 102.6 at α=9.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| la2573a-il | 500,000 | 5 | 95.3 at α=8.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| la2573a-il | 1,000,000 | 9 | 125.8 at α=9° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| la2573a-il | 1,000,000 | 5 | 110.9 at α=7.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| l7769-il | 50,000 | 9 | 6.6 at α=6° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| l7769-il | 50,000 | 5 | 15.4 at α=3.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| l7769-il | 100,000 | 9 | 32.3 at α=12.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| l7769-il | 100,000 | 5 | 39.8 at α=9.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| l7769-il | 200,000 | 9 | 72.6 at α=10.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| l7769-il | 200,000 | 5 | 74.3 at α=9.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| l7769-il | 500,000 | 9 | 113.7 at α=9° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| l7769-il | 500,000 | 5 | 111 at α=8° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| l7769-il | 1,000,000 | 9 | 143.8 at α=8.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| l7769-il | 1,000,000 | 5 | 136.2 at α=7° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| kc135a-il | 50,000 | 9 | 24.9 at α=10.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| kc135a-il | 50,000 | 5 | 27.7 at α=8.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| kc135a-il | 100,000 | 9 | 47.3 at α=7.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| kc135a-il | 100,000 | 5 | 47.5 at α=6.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| kc135a-il | 200,000 | 9 | 68.9 at α=6.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| kc135a-il | 200,000 | 5 | 62.1 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| kc135a-il | 500,000 | 9 | 88.7 at α=6° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| kc135a-il | 500,000 | 5 | 73.2 at α=7° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| kc135a-il | 1,000,000 | 9 | 97.8 at α=5.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| kc135a-il | 1,000,000 | 5 | 82.5 at α=8.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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