EPPLER 664 AIRFOIL (e664-il)
EPPLER 664 AIRFOIL - Eppler E664 variable geometry sailplane airfoil
Details | Dat file | Parser | |
(e664-il) EPPLER 664 AIRFOIL Eppler E664 variable geometry sailplane airfoil Max thickness 16.6% at 45.6% chord. Max camber 2.6% at 40.7% chord Source UIUC Airfoil Coordinates Database Source dat file The dat file is in Lednicer format |
EPPLER 664 AIRFOIL 32.0 30.0 0.0002300 0.0022900 0.0046800 0.0115500 0.0137100 0.0218300 0.0271400 0.0326100 0.0448700 0.0434800 0.0667400 0.0541600 0.0925800 0.0644100 0.1221600 0.0740100 0.1552100 0.0827700 0.1914500 0.0905500 0.2305100 0.0972000 0.2720500 0.1026200 0.3156400 0.1067000 0.3608700 0.1093800 0.4072700 0.1106000 0.4563700 0.1102900 0.5016700 0.1084000 0.5486900 0.1048200 0.5949700 0.0993700 0.6404300 0.0916700 0.6854900 0.0819700 0.7300800 0.0712200 0.7735300 0.0602000 0.8151200 0.0494200 0.8540700 0.0392700 0.8896400 0.0300500 0.9211000 0.0219300 0.9477400 0.0149100 0.9692300 0.0088100 0.9855700 0.0039100 0.9962300 0.0009200 1.0000000 0.0000000 0.0002300 0.0022900 0.0014600 -.0052100 0.0090300 -.0117300 0.0223400 -.0181700 0.0409700 -.0242300 0.0647100 -.0297900 0.0933400 -.0348200 0.1265100 -.0393600 0.1638000 -.0434100 0.2047400 -.0469300 0.2488200 -.0499000 0.2955200 -.0522900 0.3442900 -.0540600 0.3945200 -.0552200 0.4455600 -.0557200 0.4967800 -.0554600 0.5475400 -.0543300 0.5971900 -.0521900 0.6451200 -.0486700 0.6911700 -.0432200 0.7356100 -.0356700 0.7790900 -.0262300 0.8221900 -.0163700 0.8639900 -.0080800 0.9026000 -.0022400 0.9364100 0.0010200 0.9638500 0.0019800 0.9840000 0.0014200 0.9960200 0.0004500 1.0000000 0.0000000 |
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Polars for EPPLER 664 AIRFOIL (e664-il)
Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
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e664-il | 50,000 | 9 | 19.3 at α=12° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
e664-il | 50,000 | 5 | 19.7 at α=12° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
e664-il | 100,000 | 9 | 39.9 at α=10° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
e664-il | 100,000 | 5 | 33.2 at α=9.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
e664-il | 200,000 | 9 | 57.6 at α=8.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
e664-il | 200,000 | 5 | 58.3 at α=7.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
e664-il | 500,000 | 9 | 90.8 at α=6.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
e664-il | 500,000 | 5 | 90.9 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
e664-il | 1,000,000 | 9 | 120.9 at α=5.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
e664-il | 1,000,000 | 5 | 111.2 at α=3.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
Reynolds number calculator |