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EPPLER 639 AIRFOIL (e639-il)

EPPLER 639 AIRFOIL - Eppler E639 airfoil


Airfoil e639-il
Details Dat file Parser  
(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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Lednicer format dat file
Selig format dat file

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Polars for EPPLER 639 AIRFOIL (e639-il)

PlotAirfoilReynolds #NcritMax Cl/CdDescriptionSource 
   e639-il50,000913.3 at α=0.25°Mach=0 Ncrit=9Xfoil predictionDetails
   e639-il50,000525.5 at α=3.75°Mach=0 Ncrit=5Xfoil predictionDetails
   e639-il100,000932.8 at α=3°Mach=0 Ncrit=9Xfoil predictionDetails
   e639-il100,000546 at α=7.75°Mach=0 Ncrit=5Xfoil predictionDetails
   e639-il200,000962.7 at α=11.25°Mach=0 Ncrit=9Xfoil predictionDetails
   e639-il200,000569.3 at α=9.25°Mach=0 Ncrit=5Xfoil predictionDetails
   e639-il500,0009100.5 at α=9.75°Mach=0 Ncrit=9Xfoil predictionDetails
   e639-il500,0005102.3 at α=8.5°Mach=0 Ncrit=5Xfoil predictionDetails
   e639-il1,000,0009131.9 at α=8.75°Mach=0 Ncrit=9Xfoil predictionDetails
   e639-il1,000,0005129.1 at α=7.75°Mach=0 Ncrit=5Xfoil predictionDetails
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