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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(e331-il) EPPLER 331 AIRFOIL | Eppler E331 flying wing airfoil Max thickness 11.2% at 28.3% chord Max camber 2.7% at 23.6% chord | Remove Airfoil details Airfoil plotter |
(e341-il) EPPLER 341 AIRFOIL | Eppler E341 flying wing airfoil Max thickness 13.9% at 32.8% chord Max camber 3% at 23.2% chord | Remove Airfoil details Airfoil plotter |
(rc08b3-il) NASA/LANGLEY RC-08(B)3 AIRFOIL | NASA/Langley RC-08(B)3 rotorcraft airfoil Max thickness 8% at 37.8% chord Max camber 1.1% at 34.1% chord | Remove Airfoil details Airfoil plotter |
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Polars for (e331-il,e341-il,rc08b3-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| e331-il | 50,000 | 9 | 17.4 at α=2.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e331-il | 50,000 | 5 | 27.1 at α=6.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e331-il | 100,000 | 9 | 40.3 at α=10.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e331-il | 100,000 | 5 | 46.3 at α=8.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e331-il | 200,000 | 9 | 63 at α=9.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e331-il | 200,000 | 5 | 64.9 at α=8° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e331-il | 500,000 | 9 | 91.1 at α=8.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e331-il | 500,000 | 5 | 79.2 at α=8.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e331-il | 1,000,000 | 9 | 99.1 at α=8.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e331-il | 1,000,000 | 5 | 93.5 at α=8.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e341-il | 50,000 | 9 | 13.6 at α=1.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e341-il | 50,000 | 5 | 23.1 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e341-il | 100,000 | 9 | 28.7 at α=4.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e341-il | 100,000 | 5 | 42.4 at α=8.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e341-il | 200,000 | 9 | 59.1 at α=11° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e341-il | 200,000 | 5 | 60.1 at α=10.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e341-il | 500,000 | 9 | 85.3 at α=10.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e341-il | 500,000 | 5 | 80.7 at α=10.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e341-il | 1,000,000 | 9 | 102.8 at α=10.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e341-il | 1,000,000 | 5 | 101.7 at α=9° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| rc08b3-il | 50,000 | 9 | 32.2 at α=5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| rc08b3-il | 50,000 | 5 | 31.2 at α=4.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| rc08b3-il | 100,000 | 9 | 45.5 at α=4.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| rc08b3-il | 100,000 | 5 | 41.5 at α=3.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| rc08b3-il | 200,000 | 9 | 57.7 at α=3.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| rc08b3-il | 200,000 | 5 | 49.3 at α=3° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| rc08b3-il | 500,000 | 9 | 67.8 at α=3° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| rc08b3-il | 500,000 | 5 | 60 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| rc08b3-il | 1,000,000 | 9 | 71.5 at α=5.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| rc08b3-il | 1,000,000 | 5 | 73.8 at α=7.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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