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HT22 (ht22-il)

HT22 - Drela HT22 airfoil


Airfoil ht22-il
Details Dat file Parser  
(ht22-il) HT22
Drela HT22 airfoil
Max thickness 5.1% at 19.1% chord.
Max camber 1.1% at 22.7% chord
Source UIUC Airfoil Coordinates Database
Source dat file
The dat file is in Selig format
HT22
     1.000131    0.000815
     0.993560    0.001132
     0.981699    0.001708
     0.967372    0.002405
     0.950973    0.003200
     0.933228    0.004061
     0.914801    0.004956
     0.896022    0.005867
     0.877093    0.006787
     0.858101    0.007708
     0.839083    0.008630
     0.820035    0.009556
     0.800980    0.010482
     0.781909    0.011409
     0.762847    0.012337
     0.743770    0.013263
     0.724705    0.014191
     0.705647    0.015119
     0.686565    0.016048
     0.667487    0.016979
     0.648372    0.017911
     0.629260    0.018845
     0.610080    0.019785
     0.590882    0.020727
     0.571621    0.021672
     0.552309    0.022622
     0.532991    0.023572
     0.513641    0.024525
     0.494350    0.025471
     0.475002    0.026420
     0.455654    0.027364
     0.436434    0.028295
     0.417322    0.029213
     0.398461    0.030108
     0.379833    0.030976
     0.365305    0.031636
     0.356119    0.032044
     0.342584    0.032630
     0.322894    0.033435
     0.302699    0.034189
     0.283151    0.034829
     0.264345    0.035344
     0.245850    0.035734
     0.227496    0.035991
     0.209323    0.036096
     0.191345    0.036035
     0.173670    0.035791
     0.156340    0.035354
     0.139599    0.034715
     0.123603    0.033879
     0.108536    0.032853
     0.094565    0.031659
     0.081942    0.030339
     0.070774    0.028941
     0.061063    0.027514
     0.052701    0.026094
     0.045557    0.024707
     0.039432    0.023365
     0.034136    0.022063
     0.029498    0.020792
     0.025376    0.019532
     0.021658    0.018264
     0.018186    0.016937
     0.014812    0.015476
     0.011472    0.013792
     0.008239    0.011812
     0.005339    0.009546
     0.002907    0.007002
     0.001033    0.004086
     0.000074    0.001047
     0.000000    0.000000
     0.000166   -0.001439
     0.000906   -0.003147
     0.001745   -0.004196
     0.002498   -0.004887
     0.003507   -0.005624
     0.004952   -0.006451
     0.006772   -0.007271
     0.008878   -0.008034
     0.011216   -0.008725
     0.013854   -0.009370
     0.016936   -0.009993
     0.020584   -0.010604
     0.024883   -0.011198
     0.029915   -0.011762
     0.035725   -0.012288
     0.042375   -0.012771
     0.049969   -0.013211
     0.058655   -0.013608
     0.068577   -0.013958
     0.079915   -0.014262
     0.092726   -0.014511
     0.106963   -0.014700
     0.122343   -0.014827
     0.138615   -0.014890
     0.155493   -0.014897
     0.172847   -0.014854
     0.190522   -0.014770
     0.208491   -0.014648
     0.226653   -0.014499
     0.245043   -0.014326
     0.263816   -0.014125
     0.283119   -0.013896
     0.303161   -0.013633
     0.324097   -0.013331
     0.345655   -0.012993
     0.356630   -0.012813
     0.370119   -0.012582
     0.385332   -0.012313
     0.402442   -0.012003
     0.419686   -0.011687
     0.437297   -0.011360
     0.455207   -0.011026
     0.473371   -0.010689
     0.491757   -0.010347
     0.510214   -0.010004
     0.528707   -0.009658
     0.547225   -0.009313
     0.565772   -0.008965
     0.584373   -0.008615
     0.603116   -0.008266
     0.621972   -0.007914
     0.641022   -0.007558
     0.660291   -0.007195
     0.679711   -0.006831
     0.699183   -0.006467
     0.718681   -0.006104
     0.738137   -0.005738
     0.757637   -0.005373
     0.777101   -0.005008
     0.796579   -0.004639
     0.816038   -0.004276
     0.835513   -0.003910
     0.854942   -0.003543
     0.874381   -0.003176
     0.893709   -0.002812
     0.912880   -0.002450
     0.931711   -0.002095
     0.949786   -0.001756
     0.966482   -0.001442
     0.981114   -0.001165
     0.993163   -0.000939
     0.999869   -0.000815
Dat file parser warnings
  • Line 2 - X value too large but included: 1.000131 0.000815
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Polars for HT22 (ht22-il)

PlotAirfoilReynolds #NcritMax Cl/CdDescriptionSource 
   ht22-il50,000925.3 at α=2.5°Mach=0 Ncrit=9Xfoil predictionDetails
   ht22-il50,000527.2 at α=4.5°Mach=0 Ncrit=5Xfoil predictionDetails
   ht22-il100,000935 at α=4.25°Mach=0 Ncrit=9Xfoil predictionDetails
   ht22-il100,000536.2 at α=4.75°Mach=0 Ncrit=5Xfoil predictionDetails
   ht22-il200,000946 at α=4°Mach=0 Ncrit=9Xfoil predictionDetails
   ht22-il200,000546.5 at α=5.5°Mach=0 Ncrit=5Xfoil predictionDetails
   ht22-il500,000960.7 at α=5.25°Mach=0 Ncrit=9Xfoil predictionDetails
   ht22-il500,000563.2 at α=6°Mach=0 Ncrit=5Xfoil predictionDetails
   ht22-il1,000,000975.5 at α=6°Mach=0 Ncrit=9Xfoil predictionDetails
   ht22-il1,000,000578.4 at α=7.5°Mach=0 Ncrit=5Xfoil predictionDetails
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