EPPLER 657 AIRFOIL (e657-il)
EPPLER 657 AIRFOIL - Eppler E657 sailplane airfoil
| Details | Dat file | Parser | |
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(e657-il) EPPLER 657 AIRFOIL Eppler E657 sailplane airfoil Max thickness 15.6% at 37% chord. Max camber 4.6% at 47.6% chord Source UIUC Airfoil Coordinates Database Source dat file The dat file is in Lednicer format |
EPPLER 657 AIRFOIL
35. 38.
0.0000100 0.0003000
0.0001300 0.0019800
0.0006700 0.0046700
0.0023900 0.0094000
0.0091100 0.0200100
0.0200500 0.0314100
0.0351300 0.0431500
0.0542600 0.0548600
0.0773100 0.0662700
0.1041000 0.0771200
0.1344200 0.0872100
0.1680100 0.0963500
0.2045600 0.1043800
0.2437500 0.1111900
0.2852000 0.1166400
0.3285100 0.1206500
0.3732400 0.1231300
0.4189500 0.1240200
0.4651800 0.1232500
0.5114100 0.1207300
0.5572200 0.1162900
0.6023100 0.1097200
0.6466300 0.1008000
0.6906000 0.0897700
0.7342600 0.0776100
0.7769300 0.0652200
0.8178800 0.0531700
0.8563200 0.0419100
0.8914601 0.0317600
0.9225500 0.0229100
0.9488900 0.0153700
0.9700800 0.0089900
0.9860700 0.0039900
0.9963800 0.0009500
1.0000000 0.0000000
0.0000100 0.0003000
0.0000600 -.0012600
0.0001700 -.0019900
0.0003300 -.0026800
0.0005600 -.0033100
0.0009000 -.0039100
0.0013300 -.0045000
0.0018400 -.0051000
0.0030800 -.0062900
0.0045900 -.0074600
0.0073000 -.0092100
0.0131000 -.0121500
0.0285800 -.0174300
0.0493800 -.0220100
0.0752600 -.0258300
0.1059700 -.0288600
0.1412000 -.0311300
0.1805600 -.0326700
0.2236300 -.0335300
0.2699100 -.0337800
0.3188600 -.0334800
0.3698900 -.0326600
0.4223900 -.0313700
0.4756900 -.0296200
0.5291800 -.0273500
0.5823000 -.0245700
0.6344800 -.0212600
0.6851600 -.0174400
0.7338700 -.0129500
0.7884500 -.0077800
0.8254700 -.0027600
0.8674600 0.0012700
0.9055700 0.0037900
0.9386300 0.0046000
0.9653700 0.0038100
0.9847000 0.0021300
0.9962000 0.0006100
1.0000000 0.0000000
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Polars for EPPLER 657 AIRFOIL (e657-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| e657-il | 50,000 | 9 | 7.5 at α=11° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e657-il | 50,000 | 5 | 18.7 at α=12° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e657-il | 100,000 | 9 | 41.7 at α=11° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e657-il | 100,000 | 5 | 35.3 at α=10° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e657-il | 200,000 | 9 | 72 at α=8.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e657-il | 200,000 | 5 | 70.2 at α=7.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e657-il | 500,000 | 9 | 126.2 at α=6.75° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e657-il | 500,000 | 5 | 117.8 at α=5.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| e657-il | 1,000,000 | 9 | 160.6 at α=5.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| e657-il | 1,000,000 | 5 | 145 at α=3.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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