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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(p51hroot-il) NACA 66 | NACA 66 Max thickness 15.5% at 45% chord Max camber 1.3% at 47.5% chord | Remove Airfoil details Airfoil plotter |
(e428-il) EPPLER 428 AIRFOIL | Eppler E428 airfoil Max thickness 11.1% at 17.2% chord Max camber 0.5% at 50.6% chord | Remove Airfoil details Airfoil plotter |
(e474-il) E474 (14.09%) | Eppler E474 aerobatic aircraft airfoil Max thickness 14.1% at 21.5% chord Max camber 0% at 0% chord | Remove Airfoil details Airfoil plotter |
(e479-il) EPPLER 479 AIRFOIL | Eppler E479 aerobatic aircraft airfoil Max thickness 16.6% at 25.7% chord Max camber 0% at 0% chord | Remove Airfoil details Airfoil plotter |
(e420-il) EPPLER 420 AIRFOIL | Eppler E420 high lift airfoil Max thickness 14.3% at 22.8% chord Max camber 10.6% at 40.5% chord | Remove Airfoil details Airfoil plotter |
(e393-il) EPPLER 393 AIRFOIL | Eppler E393 airfoil Max thickness 11.5% at 32.3% chord Max camber 4% at 46% chord | Remove Airfoil details Airfoil plotter |
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Polars for (p51hroot-il,e428-il,e474-il,e479-il,e420-il,e393-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| p51hroot-il | 50,000 | 9 | 20.3 at α=9.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| p51hroot-il | 50,000 | 5 | 19.5 at α=7.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| p51hroot-il | 100,000 | 9 | 32.3 at α=5.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| p51hroot-il | 100,000 | 5 | 27.1 at α=6.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| p51hroot-il | 200,000 | 9 | 42.4 at α=6° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| p51hroot-il | 200,000 | 5 | 43.6 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| p51hroot-il | 500,000 | 9 | 67.2 at α=4° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| p51hroot-il | 500,000 | 5 | 55.6 at α=2.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| p51hroot-il | 1,000,000 | 9 | 70.1 at α=2.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| p51hroot-il | 1,000,000 | 5 | 46.5 at α=7.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e428-il | 50,000 | 9 | 22.1 at α=4.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e428-il | 50,000 | 5 | 26 at α=6.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e428-il | 100,000 | 9 | 32.1 at α=6° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e428-il | 100,000 | 5 | 37.9 at α=7.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e428-il | 200,000 | 9 | 47.9 at α=9.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e428-il | 200,000 | 5 | 53.4 at α=8.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e428-il | 500,000 | 9 | 74.5 at α=8.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e428-il | 500,000 | 5 | 73.2 at α=7.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e428-il | 1,000,000 | 9 | 91.1 at α=8° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e428-il | 1,000,000 | 5 | 86.1 at α=7° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e474-il | 50,000 | 9 | 18.2 at α=3.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e474-il | 50,000 | 5 | 22.9 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e474-il | 100,000 | 9 | 28.6 at α=5.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e474-il | 100,000 | 5 | 35.5 at α=8.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e474-il | 200,000 | 9 | 45.3 at α=9.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e474-il | 200,000 | 5 | 51.5 at α=9.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e474-il | 500,000 | 9 | 73.5 at α=9.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e474-il | 500,000 | 5 | 74.9 at α=8.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e474-il | 1,000,000 | 9 | 95.4 at α=8.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e474-il | 1,000,000 | 5 | 88.7 at α=9.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e479-il | 50,000 | 9 | 15.9 at α=3.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e479-il | 50,000 | 5 | 23.8 at α=7.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e479-il | 100,000 | 9 | 33.1 at α=9.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e479-il | 100,000 | 5 | 39 at α=8.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e479-il | 200,000 | 9 | 52.2 at α=8.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e479-il | 200,000 | 5 | 54.1 at α=8.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e479-il | 500,000 | 9 | 76.9 at α=8.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e479-il | 500,000 | 5 | 74.1 at α=8.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e479-il | 1,000,000 | 9 | 95.5 at α=8.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e479-il | 1,000,000 | 5 | 88.5 at α=9.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e420-il | 50,000 | 9 | 5.3 at α=8.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e420-il | 50,000 | 5 | 13.3 at α=0.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e420-il | 100,000 | 9 | 20 at α=0.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e420-il | 100,000 | 5 | 47.8 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e420-il | 200,000 | 9 | 63.3 at α=4.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e420-il | 200,000 | 5 | 75.6 at α=5.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e420-il | 500,000 | 9 | 107.4 at α=5.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e420-il | 500,000 | 5 | 106.1 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e420-il | 1,000,000 | 9 | 137.4 at α=5.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e420-il | 1,000,000 | 5 | 134.1 at α=6.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e393-il | 50,000 | 9 | 35.4 at α=9.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e393-il | 50,000 | 5 | 35.3 at α=8.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e393-il | 100,000 | 9 | 60.6 at α=8.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e393-il | 100,000 | 5 | 62 at α=7.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e393-il | 200,000 | 9 | 87.5 at α=7.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e393-il | 200,000 | 5 | 86.4 at α=6.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e393-il | 500,000 | 9 | 124.7 at α=6° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e393-il | 500,000 | 5 | 117.5 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e393-il | 1,000,000 | 9 | 152.7 at α=5.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e393-il | 1,000,000 | 5 | 135.4 at α=4.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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