EPPLER 639 AIRFOIL (e639-il)
EPPLER 639 AIRFOIL - Eppler E639 airfoil
| Details | Dat file | Parser | |
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(e639-il) EPPLER 639 AIRFOIL Eppler E639 airfoil Max thickness 12.6% at 29.2% chord. Max camber 4.8% at 29.2% chord Source UIUC Airfoil Coordinates Database Source dat file The dat file is in Lednicer format |
EPPLER 639 AIRFOIL
33. 29.
0.0001700 0.0000000
0.0014400 0.0084500
0.0066500 0.0186400
0.0157400 0.0298400
0.0286300 0.0415000
0.0452800 0.0532000
0.0655600 0.0646500
0.0893000 0.0754900
0.1163000 0.0854600
0.1462700 0.0942500
0.1789300 0.1015200
0.2141100 0.1068700
0.2517600 0.1100300
0.2917900 0.1108100
0.3343200 0.1092100
0.3792500 0.1055800
0.4262200 0.1002300
0.4748200 0.0935600
0.5245600 0.0857900
0.5749100 0.0772700
0.6252700 0.0683400
0.6750100 0.0593000
0.7234700 0.0504400
0.7699200 0.0420100
0.8136700 0.0342100
0.8540300 0.0271500
0.8903601 0.0209200
0.9220300 0.0155100
0.9485199 0.0107700
0.9697000 0.0064200
0.9857900 0.0027800
0.9962800 0.0006200
1.0000000 0.0000000
0.0001700 0.0000000
0.0040900 -.0054500
0.0145200 -.0084700
0.0314700 -.0103800
0.0546300 -.0114300
0.0837200 -.0119700
0.1182800 -.0123800
0.1576000 -.0128800
0.2009600 -.0135100
0.2476800 -.0142100
0.2971400 -.0148700
0.3487500 -.0154300
0.4019200 -.0158400
0.4560300 -.0160800
0.5104500 -.0161500
0.5645600 -.0160200
0.6177300 -.0156500
0.6693400 -.0150000
0.7188500 -.0140000
0.7658200 -.0126400
0.8097700 -.0109900
0.8502600 -.0091200
0.8868600 -.0071600
0.9191200 -.0052600
0.9465300 -.0035000
0.9687600 -.0018800
0.9855400 -.0006300
0.9962700 -.0000800
1.0000000 0.0000000
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Polars for EPPLER 639 AIRFOIL (e639-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| e639-il | 50,000 | 9 | 13.3 at α=0.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e639-il | 50,000 | 5 | 25.5 at α=3.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e639-il | 100,000 | 9 | 32.8 at α=3° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e639-il | 100,000 | 5 | 46 at α=7.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e639-il | 200,000 | 9 | 62.7 at α=11.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e639-il | 200,000 | 5 | 69.3 at α=9.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e639-il | 500,000 | 9 | 100.5 at α=9.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e639-il | 500,000 | 5 | 102.3 at α=8.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e639-il | 1,000,000 | 9 | 131.9 at α=8.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e639-il | 1,000,000 | 5 | 129.1 at α=7.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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