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EPPLER 331 AIRFOIL (e331-il)

EPPLER 331 AIRFOIL - Eppler E331 flying wing airfoil


Airfoil e331-il
Details Dat file Parser  
(e331-il) EPPLER 331 AIRFOIL
Eppler E331 flying wing airfoil
Max thickness 11.2% at 28.3% chord.
Max camber 2.7% at 23.6% chord
Source UIUC Airfoil Coordinates Database
Source dat file
The dat file is in Lednicer format
EPPLER 331 AIRFOIL
       34.       38.

 0.0000800 -.0011700
 0.0001000 0.0014700
 0.0005700 0.0036700
 0.0016500 0.0065400
 0.0074600 0.0153600
 0.0173600 0.0248600
 0.0312700 0.0345400
 0.0491100 0.0440300
 0.0707500 0.0530300
 0.0960100 0.0612500
 0.1247000 0.0684100
 0.1566000 0.0742500
 0.1915100 0.0784800
 0.2293200 0.0809100
 0.2699200 0.0814200
 0.3132100 0.0800300
 0.3590600 0.0769700
 0.4070700 0.0725300
 0.4568400 0.0669500
 0.5078600 0.0605400
 0.5595900 0.0535700
 0.6114200 0.0463600
 0.6626999 0.0391700
 0.7127301 0.0322800
 0.7607901 0.0259000
 0.8061500 0.0202000
 0.8480900 0.0152700
 0.8859300 0.0111600
 0.9190400 0.0078400
 0.9468500 0.0051400
 0.9691100 0.0028400
 0.9857700 0.0010700
 0.9963400 0.0001900
 1.0000000 0.0000000

 0.0000800 -.0011700
 0.0001800 -.0017600
 0.0003500 -.0023100
 0.0005700 -.0028100
 0.0009000 -.0032600
 0.0013200 -.0037100
 0.0018300 -.0041500
 0.0030700 -.0050100
 0.0045700 -.0058600
 0.0073100 -.0070900
 0.0148900 -.0097000
 0.0314300 -.0134000
 0.0535200 -.0166100
 0.0809200 -.0194200
 0.1133700 -.0219400
 0.1504100 -.0244000
 0.1914100 -.0268400
 0.2357500 -.0292400
 0.2828000 -.0314900
 0.3320000 -.0334600
 0.3828100 -.0350600
 0.4346900 -.0362400
 0.4870600 -.0369500
 0.5393600 -.0371700
 0.5910200 -.0368700
 0.6414800 -.0360300
 0.6901800 -.0346400
 0.7365900 -.0326800
 0.7801900 -.0301200
 0.8204901 -.0268000
 0.8573900 -.0224400
 0.8911400 -.0173600
 0.9215300 -.0123500
 0.9478400 -.0079300
 0.9694500 -.0042800
 0.9858800 -.0016700
 0.9963600 -.0003400
 1.0000000 0.0000000
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Lednicer format dat file
Selig format dat file

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Polars for EPPLER 331 AIRFOIL (e331-il)

PlotAirfoilReynolds #NcritMax Cl/CdDescriptionSource 
   e331-il50,000917.4 at α=2.25°Mach=0 Ncrit=9Xfoil predictionDetails
   e331-il50,000527.1 at α=6.5°Mach=0 Ncrit=5Xfoil predictionDetails
   e331-il100,000940.3 at α=10.25°Mach=0 Ncrit=9Xfoil predictionDetails
   e331-il100,000546.3 at α=8.25°Mach=0 Ncrit=5Xfoil predictionDetails
   e331-il200,000963 at α=9.25°Mach=0 Ncrit=9Xfoil predictionDetails
   e331-il200,000564.9 at α=8°Mach=0 Ncrit=5Xfoil predictionDetails
   e331-il500,000991.1 at α=8.25°Mach=0 Ncrit=9Xfoil predictionDetails
   e331-il500,000579.2 at α=8.5°Mach=0 Ncrit=5Xfoil predictionDetails
   e331-il1,000,000999.1 at α=8.5°Mach=0 Ncrit=9Xfoil predictionDetails
   e331-il1,000,000593.5 at α=8.25°Mach=0 Ncrit=5Xfoil predictionDetails
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