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dh4009sm (dh4009sm-il)

dh4009sm - Dale House DH4009 (smoothed) used on the Storm R/C aerobatic aircraft


Airfoil dh4009sm-il
Details Dat file Parser  
(dh4009sm-il) dh4009sm
Dale House DH4009 (smoothed) used on the Storm R/C aerobatic aircraft
Max thickness 8.9% at 41.6% chord.
Max camber 0.2% at 9.6% chord
Source UIUC Airfoil Coordinates Database
Source dat file
The dat file is in Selig format
dh4009sm
  1.00000  0.00027
  0.99754  0.00167
  0.99070  0.00430
  0.98037  0.00618
  0.96698  0.00756
  0.95044  0.00903
  0.93064  0.01081
  0.90775  0.01289
  0.88202  0.01524
  0.85370  0.01783
  0.82309  0.02066
  0.79048  0.02369
  0.75616  0.02685
  0.72043  0.03006
  0.68359  0.03320
  0.64594  0.03614
  0.60778  0.03874
  0.56937  0.04089
  0.53099  0.04253
  0.49265  0.04364
  0.45435  0.04424
  0.41638  0.04439
  0.37887  0.04415
  0.34204  0.04355
  0.30609  0.04259
  0.27120  0.04125
  0.23760  0.03952
  0.20549  0.03743
  0.17504  0.03501
  0.14648  0.03229
  0.11999  0.02939
  0.09576  0.02627
  0.07395  0.02300
  0.05468  0.01975
  0.03811  0.01663
  0.02433  0.01357
  0.01338  0.01041
  0.00548  0.00704
  0.00098  0.00320
       0.00000    -0.00001
       0.00098    -0.00285
       0.00548    -0.00570
       0.01338    -0.00805
       0.02433    -0.01051
       0.03811    -0.01311
       0.05468    -0.01594
       0.07395    -0.01903
       0.09576    -0.02227
       0.11999    -0.02551
       0.14648    -0.02861
       0.17504    -0.03147
       0.20549    -0.03416
       0.23760    -0.03673
       0.27120    -0.03916
       0.30609    -0.04133
       0.34204    -0.04311
       0.37887    -0.04438
       0.41638    -0.04506
       0.45435    -0.04509
       0.49265    -0.04446
       0.53099    -0.04318
       0.56937    -0.04130
       0.60778    -0.03887
       0.64594    -0.03598
       0.68359    -0.03272
       0.72043    -0.02922
       0.75616    -0.02559
       0.79048    -0.02195
       0.82309    -0.01843
       0.85370    -0.01513
       0.88202    -0.01215
       0.90775    -0.00952
       0.93064    -0.00726
       0.95044    -0.00536
       0.96698    -0.00382
       0.98037    -0.00255
       0.99070    -0.00146
       0.99754    -0.00047
       1.00000    -0.00001
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Polars for dh4009sm (dh4009sm-il)

PlotAirfoilReynolds #NcritMax Cl/CdDescriptionSource 
   dh4009sm-il50,000919.4 at α=4.25°Mach=0 Ncrit=9Xfoil predictionDetails
   dh4009sm-il50,000524.2 at α=3.25°Mach=0 Ncrit=5Xfoil predictionDetails
   dh4009sm-il100,000927.6 at α=3°Mach=0 Ncrit=9Xfoil predictionDetails
   dh4009sm-il100,000531.7 at α=2.75°Mach=0 Ncrit=5Xfoil predictionDetails
   dh4009sm-il200,000940.3 at α=2.5°Mach=0 Ncrit=9Xfoil predictionDetails
   dh4009sm-il200,000534.6 at α=2.5°Mach=0 Ncrit=5Xfoil predictionDetails
   dh4009sm-il500,000948.1 at α=2.5°Mach=0 Ncrit=9Xfoil predictionDetails
   dh4009sm-il500,000542.1 at α=5°Mach=0 Ncrit=5Xfoil predictionDetails
   dh4009sm-il1,000,000951.8 at α=2°Mach=0 Ncrit=9Xfoil predictionDetails
   dh4009sm-il1,000,000553.4 at α=5.75°Mach=0 Ncrit=5Xfoil predictionDetails
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