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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(e169-il) E169 (14.4%) | Eppler E169 low Reynolds number airfoil Max thickness 14.4% at 26.5% chord Max camber 0% at 0% chord | Remove Airfoil details Airfoil plotter |
(ag24-il) AG24 Bubble Dancer DLG by Mark Drela | Drela AG24 airfoil used on the Bubble Dancer R/C DLG Max thickness 8.4% at 26% chord Max camber 2.2% at 46.9% chord | Remove Airfoil details Airfoil plotter |
(dh4009sm-il) dh4009sm | Dale House DH4009 (smoothed) used on the Storm R/C aerobatic aircraft Max thickness 8.9% at 41.6% chord Max camber 0.2% at 9.6% chord | Remove Airfoil details Airfoil plotter |
(ah79100b-il) AH 79-100 B AIRFOIL | Althaus AH 79-100B airfoil Max thickness 10% at 30.9% chord Max camber 6.4% at 50% chord | Remove Airfoil details Airfoil plotter |
(ag27-il) AG27 Bubble Dancer DLG by Mark Drela | Drela AG27 airfoil used on the Bubble Dancer R/C DLG Max thickness 6.1% at 21.7% chord Max camber 2.6% at 44% chord | Remove Airfoil details Airfoil plotter |
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Polars for (e169-il,ag24-il,dh4009sm-il,ah79100b-il,ag27-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| e169-il | 50,000 | 9 | 16.7 at α=3° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e169-il | 50,000 | 5 | 27 at α=8.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e169-il | 100,000 | 9 | 39.3 at α=9° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e169-il | 100,000 | 5 | 41.7 at α=8° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e169-il | 200,000 | 9 | 56.1 at α=8° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e169-il | 200,000 | 5 | 55.6 at α=7.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e169-il | 500,000 | 9 | 77.7 at α=7.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e169-il | 500,000 | 5 | 71.5 at α=7.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e169-il | 1,000,000 | 9 | 92.6 at α=7.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e169-il | 1,000,000 | 5 | 79.6 at α=8.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ag24-il | 50,000 | 9 | 34.7 at α=6° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ag24-il | 50,000 | 5 | 38.3 at α=5.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ag24-il | 100,000 | 9 | 52.6 at α=5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ag24-il | 100,000 | 5 | 52.7 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ag24-il | 200,000 | 9 | 70.1 at α=4.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ag24-il | 200,000 | 5 | 66.5 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ag24-il | 500,000 | 9 | 92.1 at α=4.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ag24-il | 500,000 | 5 | 83.9 at α=4.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ag24-il | 1,000,000 | 9 | 107.1 at α=4° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ag24-il | 1,000,000 | 5 | 96.8 at α=4.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| dh4009sm-il | 50,000 | 9 | 19.4 at α=4.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| dh4009sm-il | 50,000 | 5 | 24.2 at α=3.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| dh4009sm-il | 100,000 | 9 | 27.6 at α=3° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| dh4009sm-il | 100,000 | 5 | 31.7 at α=2.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| dh4009sm-il | 200,000 | 9 | 40.3 at α=2.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| dh4009sm-il | 200,000 | 5 | 34.6 at α=2.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| dh4009sm-il | 500,000 | 9 | 48.1 at α=2.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| dh4009sm-il | 500,000 | 5 | 42.1 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| dh4009sm-il | 1,000,000 | 9 | 51.8 at α=2° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| dh4009sm-il | 1,000,000 | 5 | 53.4 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ah79100b-il | 50,000 | 9 | 32.1 at α=10.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ah79100b-il | 50,000 | 5 | 32.9 at α=9.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ah79100b-il | 100,000 | 9 | 65.9 at α=8.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ah79100b-il | 100,000 | 5 | 68.8 at α=6° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ah79100b-il | 200,000 | 9 | 100 at α=6.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ah79100b-il | 200,000 | 5 | 101 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ah79100b-il | 500,000 | 9 | 148.3 at α=4° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ah79100b-il | 500,000 | 5 | 139.6 at α=3.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ah79100b-il | 1,000,000 | 9 | 183.3 at α=3° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ah79100b-il | 1,000,000 | 5 | 153.7 at α=2° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ag27-il | 50,000 | 9 | 37.8 at α=4.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ag27-il | 50,000 | 5 | 39.6 at α=4.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ag27-il | 100,000 | 9 | 55.1 at α=4.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ag27-il | 100,000 | 5 | 53 at α=4° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ag27-il | 200,000 | 9 | 71.7 at α=3.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ag27-il | 200,000 | 5 | 65.3 at α=3.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ag27-il | 500,000 | 9 | 91.3 at α=3.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ag27-il | 500,000 | 5 | 81.1 at α=4.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| ag27-il | 1,000,000 | 9 | 103.4 at α=3.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| ag27-il | 1,000,000 | 5 | 95.4 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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