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FX 78-K-140/20 (fx78k140-il)

FX 78-K-140/20 - Wortmann FX 78-K-140/20 airfoil for use with flaps (K)


Airfoil fx78k140-il
Details Dat file Parser  
(fx78k140-il) FX 78-K-140/20
Wortmann FX 78-K-140/20 airfoil for use with flaps (K)
Max thickness 14.1% at 43.5% chord.
Max camber 4.4% at 43.5% chord
Source UIUC Airfoil Coordinates Database
Source dat file
The dat file is in Selig format
FX 78-K-140/20
1.00000     0.00000
0.99893     0.00095
0.99572     0.00116
0.99039     0.00147
0.98296     0.00197
0.97347     0.00277
0.96194     0.00403
0.94844     0.00585
0.93301     0.00834
0.91573     0.01156
0.89668     0.01553
0.87592     0.02025
0.85355     0.02581
0.82967     0.03222
0.80438     0.03976
0.77779     0.04822
0.75000     0.05740
0.72114     0.06691
0.69134     0.07637
0.66072     0.08536
0.62941     0.09335
0.59755     0.10011
0.56526     0.10541
0.53270     0.10936
0.50000     0.11209
0.46730     0.11372
0.43474     0.11427
0.40245     0.11391
0.37059     0.11266
0.33928     0.11059
0.30866     0.10772
0.27886     0.10408
0.25000     0.09975
0.22221     0.09473
0.19562     0.08914
0.17033     0.08304
0.14645     0.07656
0.12408     0.06979
0.10332     0.06276
0.08427     0.05556
0.06699     0.04828
0.05156     0.04099
0.03806     0.03378
0.02653     0.02676
0.01704     0.02004
0.00961     0.01384
0.00428     0.00839
0.00107     0.00393
0.00000     0.00000
0.00107     -0.00244
0.00428     -0.00542
0.00961     -0.00833
0.01704     -0.01101
0.02653     -0.01346
0.03806     -0.01555
0.05156     -0.01732
0.06699     -0.01886
0.08427     -0.02025
0.10332     -0.02148
0.12408     -0.02253
0.14645     -0.02340
0.17033     -0.02418
0.19562     -0.02484
0.22221     -0.02537
0.25000     -0.02579
0.27886     -0.02610
0.30866     -0.02633
0.33928     -0.02651
0.37059     -0.02663
0.40245     -0.02669
0.43474     -0.02668
0.46730     -0.02660
0.50000     -0.02639
0.53270     -0.02609
0.56526     -0.02566
0.59755     -0.02512
0.62941     -0.02438
0.66072     -0.02348
0.69134     -0.02237
0.72114     -0.02109
0.75000     -0.01965
0.77779     -0.01808
0.80438     -0.01640
0.82967     -0.01462
0.85355     -0.01289
0.87592     -0.01121
0.89668     -0.00966
0.91573     -0.00821
0.93301     -0.00690
0.94844     -0.00573
0.96194     -0.00468
0.97347     -0.00374
0.98296     -0.00288
0.99039     -0.00210
0.99572     -0.00147
0.99893     -0.00102
1.00000     0.00000
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Lednicer format dat file
Selig format dat file

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Polars for FX 78-K-140/20 (fx78k140-il)

PlotAirfoilReynolds #NcritMax Cl/CdDescriptionSource 
   fx78k140-il50,000916.3 at α=12.75°Mach=0 Ncrit=9Xfoil predictionDetails
   fx78k140-il50,000515 at α=11.5°Mach=0 Ncrit=5Xfoil predictionDetails
   fx78k140-il100,000926.2 at α=10°Mach=0 Ncrit=9Xfoil predictionDetails
   fx78k140-il100,000527.2 at α=9.5°Mach=0 Ncrit=5Xfoil predictionDetails
   fx78k140-il200,000954.2 at α=8.25°Mach=0 Ncrit=9Xfoil predictionDetails
   fx78k140-il200,000553.8 at α=8°Mach=0 Ncrit=5Xfoil predictionDetails
   fx78k140-il500,0009125.1 at α=6.5°Mach=0 Ncrit=9Xfoil predictionDetails
   fx78k140-il500,0005122.5 at α=6°Mach=0 Ncrit=5Xfoil predictionDetails
   fx78k140-il1,000,0009162.5 at α=5.75°Mach=0 Ncrit=9Xfoil predictionDetails
   fx78k140-il1,000,0005153.1 at α=5.25°Mach=0 Ncrit=5Xfoil predictionDetails
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