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CAP 21 (TraCFoil) (cap21c-il)

CAP 21 (TraCFoil) - CAP 21 (TraCFoil) airfoil


Airfoil cap21c-il
Details Dat file Parser  
(cap21c-il) CAP 21 (TraCFoil)
CAP 21 (TraCFoil) airfoil
Max thickness 15.6% at 15.7% chord.
Max camber 0.6% at 23.9% chord
Source UIUC Airfoil Coordinates Database
Source dat file
The dat file is in Selig format
CAP 21   (TraCFoil)
1.000000    0.000000
0.999829    0.000019
0.999315    0.000077
0.998459    0.000174
0.997269    0.000309
0.995722    0.000484
0.993844    0.000397
0.991627    0.000948
0.989074    0.001237
0.97599 0.00270
0.25330 0.07751
0.23860 0.07885
0.19620 0.08228
0.15710 0.08333
0.12180 0.08099
0.09050 0.07536
0.06330 0.06695
0.04085 0.05606
0.02310 0.04294
0.01028 0.02760
0.00000 0.00000
0.01028 -0.02509
0.02310 -0.03821
0.04085 -0.04969
0.06330 -0.05935
0.09050 -0.06684
0.12180 -0.07141
0.15710 -0.07237
0.19620 -0.07021
0.23860 -0.06645
0.25330 -0.06519
0.97599 -0.00220
0.97940987  -0.00189070
0.982962    -0.00156686
0.98618496  -0.00127157
0.99162745  -0.0007069
0.99845     -0.00014157
1.000000     0.000000


0.99890  -0.00100592
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Selig format dat file

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Polars for CAP 21 (TraCFoil) (cap21c-il)

PlotAirfoilReynolds #NcritMax Cl/CdDescriptionSource 
   cap21c-il50,00099.9 at α=3°Mach=0 Ncrit=9Xfoil predictionDetails
   cap21c-il50,000514.6 at α=4.75°Mach=0 Ncrit=5Xfoil predictionDetails
   cap21c-il100,000917.1 at α=4.75°Mach=0 Ncrit=9Xfoil predictionDetails
   cap21c-il100,000526 at α=6.5°Mach=0 Ncrit=5Xfoil predictionDetails
   cap21c-il200,000938.4 at α=10°Mach=0 Ncrit=9Xfoil predictionDetails
   cap21c-il200,000548.1 at α=11.25°Mach=0 Ncrit=5Xfoil predictionDetails
   cap21c-il500,000974 at α=10°Mach=0 Ncrit=9Xfoil predictionDetails
   cap21c-il500,000577.6 at α=10.5°Mach=0 Ncrit=5Xfoil predictionDetails
   cap21c-il1,000,000997.4 at α=9.75°Mach=0 Ncrit=9Xfoil predictionDetails
   cap21c-il1,000,000597.4 at α=9.75°Mach=0 Ncrit=5Xfoil predictionDetails
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