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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(usa45m-il) USA 45 M AIRFOIL | USA-45M airfoil Max thickness 11.6% at 30% chord Max camber 3.3% at 30% chord | Remove Airfoil details Airfoil plotter |
(usa49-il) USA 49 AIRFOIL | USA-49 airfoil Max thickness 7.3% at 30% chord Max camber 1.7% at 30% chord | Remove Airfoil details Airfoil plotter |
(usa35a-il) USA 35 A AIRFOIL | USA-35A airfoil Max thickness 18.2% at 29.4% chord Max camber 6.4% at 39.4% chord | Remove Airfoil details Airfoil plotter |
(usa35b-il) USA-35B AIRFOIL | USA-35B airfoil Max thickness 11.6% at 30% chord Max camber 4.1% at 40% chord | Remove Airfoil details Airfoil plotter |
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Polars for (usa45m-il,usa49-il,usa35a-il,usa35b-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| usa45m-il | 50,000 | 9 | 20.4 at α=2° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| usa45m-il | 50,000 | 5 | 29.5 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| usa45m-il | 100,000 | 9 | 45.1 at α=10.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| usa45m-il | 100,000 | 5 | 48 at α=9° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| usa45m-il | 200,000 | 9 | 65.9 at α=9.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| usa45m-il | 200,000 | 5 | 66.3 at α=8° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| usa45m-il | 500,000 | 9 | 93.7 at α=7.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| usa45m-il | 500,000 | 5 | 90.4 at α=6.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| usa45m-il | 1,000,000 | 9 | 115.3 at α=6.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| usa45m-il | 1,000,000 | 5 | 108.5 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| usa49-il | 50,000 | 9 | 33.1 at α=5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| usa49-il | 50,000 | 5 | 33.6 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| usa49-il | 100,000 | 9 | 43.9 at α=4.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| usa49-il | 100,000 | 5 | 42.1 at α=4° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| usa49-il | 200,000 | 9 | 52.1 at α=3.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| usa49-il | 200,000 | 5 | 48.5 at α=7° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| usa49-il | 500,000 | 9 | 59.7 at α=7° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| usa49-il | 500,000 | 5 | 65.6 at α=6.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| usa49-il | 1,000,000 | 9 | 78 at α=6.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| usa49-il | 1,000,000 | 5 | 75.1 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| usa35a-il | 50,000 | 9 | 4.3 at α=8.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| usa35a-il | 50,000 | 5 | 20.4 at α=3.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| usa35a-il | 100,000 | 9 | 35.6 at α=4.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| usa35a-il | 100,000 | 5 | 46.4 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| usa35a-il | 200,000 | 9 | 66.5 at α=7.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| usa35a-il | 200,000 | 5 | 67.1 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| usa35a-il | 500,000 | 9 | 97.8 at α=5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| usa35a-il | 500,000 | 5 | 92.3 at α=4.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| usa35a-il | 1,000,000 | 9 | 122.3 at α=4.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| usa35a-il | 1,000,000 | 5 | 109.6 at α=4.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| usa35b-il | 50,000 | 9 | 24.6 at α=9.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| usa35b-il | 50,000 | 5 | 36.2 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| usa35b-il | 100,000 | 9 | 53.3 at α=6.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| usa35b-il | 100,000 | 5 | 56.7 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| usa35b-il | 200,000 | 9 | 76.8 at α=5.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| usa35b-il | 200,000 | 5 | 75.2 at α=4.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| usa35b-il | 500,000 | 9 | 106 at α=3.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| usa35b-il | 500,000 | 5 | 97 at α=4° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| usa35b-il | 1,000,000 | 9 | 125.6 at α=3.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| usa35b-il | 1,000,000 | 5 | 113.1 at α=3.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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