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USA 40 B AIRFOIL (usa40b-il)

USA 40 B AIRFOIL - USA-40B airfoil


Airfoil usa40b-il
Details Dat file Parser  
(usa40b-il) USA 40 B AIRFOIL
USA-40B airfoil
Max thickness 13.6% at 20% chord.
Max camber 4% at 40% chord
Source UIUC Airfoil Coordinates Database
Source dat file
The dat file is in Lednicer format
USA 40 B AIRFOIL
       17.       17.

 0.0000000 0.0000000
 0.0125200 0.0306900
 0.0250300 0.0439800
 0.0500400 0.0632600
 0.0750500 0.0765500
 0.1000600 0.0872300
 0.1500700 0.1000900
 0.2000700 0.1054600
 0.3000700 0.1057900
 0.4000700 0.0999200
 0.5000600 0.0903500
 0.6000500 0.0768800
 0.7000400 0.0605100
 0.8000300 0.0434400
 0.9000200 0.0233700
 0.9500100 0.0126300
 1.0000000 0.0000000

 0.0000000 0.0000000
 0.0124900 -.0190100
 0.0249800 -.0240200
 0.0499800 -.0287300
 0.0749800 -.0307500
 0.0999800 -.0320700
 0.1499800 -.0327000
 0.1999800 -.0308400
 0.2999800 -.0262100
 0.3999900 -.0198800
 0.4999900 -.0133500
 0.6000000 -.0061200
 0.7000000 0.0015100
 0.8000100 0.0071400
 0.9000000 0.0060700
 0.9500000 0.0026300
 1.0000000 0.0000000
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Lednicer format dat file
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Polars for USA 40 B AIRFOIL (usa40b-il)

PlotAirfoilReynolds #NcritMax Cl/CdDescriptionSource 
   usa40b-il50,000925.1 at α=2.75°Mach=0 Ncrit=9Xfoil predictionDetails
   usa40b-il50,000531.2 at α=5.5°Mach=0 Ncrit=5Xfoil predictionDetails
   usa40b-il100,000939.9 at α=3.75°Mach=0 Ncrit=9Xfoil predictionDetails
   usa40b-il100,000545.3 at α=6.25°Mach=0 Ncrit=5Xfoil predictionDetails
   usa40b-il200,000956.4 at α=5.5°Mach=0 Ncrit=9Xfoil predictionDetails
   usa40b-il200,000562 at α=7.25°Mach=0 Ncrit=5Xfoil predictionDetails
   usa40b-il500,000985.1 at α=7.5°Mach=0 Ncrit=9Xfoil predictionDetails
   usa40b-il500,000588.4 at α=7.25°Mach=0 Ncrit=5Xfoil predictionDetails
   usa40b-il1,000,0009111.1 at α=8.5°Mach=0 Ncrit=9Xfoil predictionDetails
   usa40b-il1,000,0005112 at α=8.75°Mach=0 Ncrit=5Xfoil predictionDetails
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