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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(rg1495-il) RG 14 9.5% AIRFOIL | Rolf Girsberger RG 14 (9.5%) airfoil Max thickness 9.5% at 31% chord Max camber 1.6% at 36% 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 |
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Polars for (rg1495-il,e428-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| rg1495-il | 50,000 | 9 | 32.7 at α=5.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| rg1495-il | 50,000 | 5 | 33.9 at α=5.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| rg1495-il | 100,000 | 9 | 48.5 at α=5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| rg1495-il | 100,000 | 5 | 46.5 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| rg1495-il | 200,000 | 9 | 63.6 at α=4.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| rg1495-il | 200,000 | 5 | 57.9 at α=4.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| rg1495-il | 500,000 | 9 | 82.1 at α=3.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| rg1495-il | 500,000 | 5 | 71.4 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| rg1495-il | 1,000,000 | 9 | 89.5 at α=4.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| rg1495-il | 1,000,000 | 5 | 85 at α=6.75° | 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 | |
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