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ONERA OA209 AIRFOIL (oa209-il)

ONERA OA209 AIRFOIL - ONERA/Aerospatiale OA209 rotorcraft airfoil (Constructed from patent and smoothed)


Airfoil oa209-il
Details Dat file Parser  
(oa209-il) ONERA OA209 AIRFOIL
ONERA/Aerospatiale OA209 rotorcraft airfoil (Constructed from patent and smoothed)
Max thickness 9% at 29.3% chord.
Max camber 1.6% at 17.1% chord
Source UIUC Airfoil Coordinates Database
Source dat file
The dat file is in Lednicer format
 ONERA OA209 AIRFOIL
       57.       57.

 0.0000000 0.0000000
 0.0002924 0.0028551
 0.0007810 0.0047471
 0.0017586 0.0072243
 0.0048866 0.0121590
 0.0070371 0.0145844
 0.0097746 0.0171549
 0.0156407 0.0216181
 0.0224839 0.0258454
 0.0293282 0.0294448
 0.0351946 0.0321729
 0.0391053 0.0338387
 0.0449719 0.0361378
 0.0537712 0.0391946
 0.0635487 0.0421315
 0.0733262 0.0446694
 0.0831038 0.0468743
 0.0928814 0.0487973
 0.1222146 0.0532210
 0.1466590 0.0557137
 0.1711047 0.0573865
 0.1955495 0.0584144
 0.2199944 0.0589332
 0.2444394 0.0590590
 0.2688844 0.0588899
 0.2933294 0.0585127
 0.3177745 0.0580034
 0.3422197 0.0574183
 0.3666649 0.0567851
 0.3911100 0.0560989
 0.4155561 0.0553337
 0.4400013 0.0544535
 0.4644465 0.0534314
 0.4888917 0.0522542
 0.5133371 0.0509200
 0.5377824 0.0494348
 0.5622277 0.0478067
 0.5866730 0.0460385
 0.6111183 0.0441303
 0.6355637 0.0420791
 0.6600091 0.0398820
 0.6844547 0.0375358
 0.7089013 0.0350436
 0.7333468 0.0324094
 0.7577922 0.0296382
 0.7822378 0.0267311
 0.8066834 0.0236749
 0.8311290 0.0204437
 0.8506855 0.0177115
 0.8702421 0.0148404
 0.8800204 0.0133593
 0.8995770 0.0103632
 0.9191335 0.0074690
 0.9386901 0.0049059
 0.9511083 0.0035814
 0.9778036 0.0019806
 1.0000000 0.0025150

 0.0000000 0.0000000
 0.0002934 -.0025969
 0.0007827 -.0040758
 0.0017611 -.0057866
 0.0048906 -.0086200
 0.0070419 -.0097936
 0.0097801 -.0109121
 0.0156475 -.0126099
 0.0224917 -.0140076
 0.0293369 -.0150912
 0.0352041 -.0158681
 0.0391152 -.0163313
 0.0449823 -.0169601
 0.0537825 -.0177994
 0.0635607 -.0186385
 0.0733388 -.0194185
 0.0831169 -.0201646
 0.0928951 -.0208907
 0.1222295 -.0229909
 0.1466749 -.0246691
 0.1711212 -.0262593
 0.1955665 -.0277175
 0.2200117 -.0289996
 0.2444569 -.0300718
 0.2689021 -.0309240
 0.2933472 -.0315792
 0.3177923 -.0320834
 0.3422375 -.0324905
 0.3666825 -.0328357
 0.3911275 -.0331239
 0.4155736 -.0333301
 0.4400187 -.0334213
 0.4644636 -.0333685
 0.4889086 -.0331596
 0.5133536 -.0327928
 0.5377985 -.0322740
 0.5622433 -.0316132
 0.5866882 -.0308134
 0.6111330 -.0298756
 0.6355777 -.0287947
 0.6600226 -.0275679
 0.6844673 -.0261931
 0.7089130 -.0246733
 0.7333577 -.0230135
 0.7578022 -.0212177
 0.7822468 -.0192799
 0.8066914 -.0171821
 0.8311360 -.0148962
 0.8506916 -.0129154
 0.8702472 -.0108045
 0.8800250 -.0097146
 0.8995805 -.0075468
 0.9191361 -.0055509
 0.9386918 -.0039291
 0.9511096 -.0031806
 0.9778045 -.0024304
 1.0000000 -.0025080
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Lednicer format dat file
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Polars for ONERA OA209 AIRFOIL (oa209-il)

PlotAirfoilReynolds #NcritMax Cl/CdDescriptionSource 
   oa209-il50,000925.8 at α=4.5°Mach=0 Ncrit=9Xfoil predictionDetails
   oa209-il50,000528.6 at α=7.25°Mach=0 Ncrit=5Xfoil predictionDetails
   oa209-il100,000936 at α=7.75°Mach=0 Ncrit=9Xfoil predictionDetails
   oa209-il100,000541.5 at α=7.75°Mach=0 Ncrit=5Xfoil predictionDetails
   oa209-il200,000952.7 at α=8°Mach=0 Ncrit=9Xfoil predictionDetails
   oa209-il200,000555.3 at α=7.75°Mach=0 Ncrit=5Xfoil predictionDetails
   oa209-il500,000975.1 at α=8°Mach=0 Ncrit=9Xfoil predictionDetails
   oa209-il500,000573.3 at α=7.5°Mach=0 Ncrit=5Xfoil predictionDetails
   oa209-il1,000,000990.5 at α=7.75°Mach=0 Ncrit=9Xfoil predictionDetails
   oa209-il1,000,000585.2 at α=7.5°Mach=0 Ncrit=5Xfoil predictionDetails
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