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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(atr72sm-il) Smoothed ATR airfoil coordinates obtained using AFSMO (Harry Morgan's NASA smoothing program) | ATR 72 wing airfoil (from NTSB report) Max thickness 14.5% at 25.4% chord Max camber 2.9% at 21.4% chord | Remove Airfoil details Airfoil plotter |
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Polars for (atr72sm-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| atr72sm-il | 50,000 | 9 | 20.5 at α=2.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| atr72sm-il | 50,000 | 5 | 25.8 at α=4.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| atr72sm-il | 100,000 | 9 | 33.3 at α=4° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| atr72sm-il | 100,000 | 5 | 39.1 at α=7.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| atr72sm-il | 200,000 | 9 | 48.9 at α=6.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| atr72sm-il | 200,000 | 5 | 55.4 at α=9.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| atr72sm-il | 500,000 | 9 | 77.7 at α=9° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| atr72sm-il | 500,000 | 5 | 81.6 at α=9.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| atr72sm-il | 1,000,000 | 9 | 104.4 at α=9.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| atr72sm-il | 1,000,000 | 5 | 105.2 at α=9.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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