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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(e374-il) E374 | Eppler E374 low Reynolds number airfoil Max thickness 10.9% at 34.3% chord Max camber 2% at 38.9% chord | Remove Airfoil details Airfoil plotter |
(e392-il) E392 (10.15%) | Eppler E392 low Reynolds number airfoil Max thickness 10.1% at 31.6% chord Max camber 3.7% at 45.3% chord | Remove Airfoil details Airfoil plotter |
(e377-il) EPPLER 377 AIRFOIL | Eppler E377 ultralight airfoil Max thickness 3.9% at 8.4% chord Max camber 8.8% at 36.9% chord | Remove Airfoil details Airfoil plotter |
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Polars for (e374-il,e392-il,e377-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| e374-il | 50,000 | 9 | 34.1 at α=8° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e374-il | 50,000 | 5 | 34 at α=7.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e374-il | 100,000 | 9 | 53.8 at α=7° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e374-il | 100,000 | 5 | 53.2 at α=6.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e374-il | 200,000 | 9 | 75 at α=6.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e374-il | 200,000 | 5 | 71.8 at α=5.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e374-il | 500,000 | 9 | 103.2 at α=5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e374-il | 500,000 | 5 | 91.4 at α=4.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e374-il | 1,000,000 | 9 | 117.7 at α=4.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e374-il | 1,000,000 | 5 | 99.9 at α=4° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e392-il | 50,000 | 9 | 37.2 at α=9° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e392-il | 50,000 | 5 | 37.6 at α=8° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e392-il | 100,000 | 9 | 61.2 at α=8° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e392-il | 100,000 | 5 | 61.8 at α=7° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e392-il | 200,000 | 9 | 86.2 at α=7° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e392-il | 200,000 | 5 | 84.6 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e392-il | 500,000 | 9 | 120.6 at α=5.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e392-il | 500,000 | 5 | 113.6 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e392-il | 1,000,000 | 9 | 146.6 at α=4.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e392-il | 1,000,000 | 5 | 134 at α=4° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e377-il | 50,000 | 9 | 32.7 at α=11.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e377-il | 50,000 | 5 | 38.3 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e377-il | 100,000 | 9 | 104.7 at α=5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e377-il | 100,000 | 5 | 66.8 at α=8° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e377-il | 200,000 | 9 | 91.3 at α=8.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e377-il | 200,000 | 5 | 94.3 at α=7° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e377-il | 500,000 | 9 | 133.9 at α=7° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e377-il | 500,000 | 5 | 130.1 at α=6.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e377-il | 1,000,000 | 9 | 167.3 at α=6.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e377-il | 1,000,000 | 5 | 141 at α=5.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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