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NACA 66-018 (naca66-018-il) Xfoil prediction polar at RE=200,000 Ncrit=5


Details Polar file
Airfoil: NACA 66-018 (naca66-018-il)
Reynolds number: 200,000
Max Cl/Cd: 34.45 at α=5.5°
Description: Mach=0 Ncrit=5
Source: Xfoil prediction
Download polar: xf-naca66-018-il-200000-n5.txt
Download as CSV file: xf-naca66-018-il-200000-n5.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: NACA 66-018                                     
  
 1 1 Reynolds number fixed          Mach number fixed         
  
 xtrf =   1.000 (top)        1.000 (bottom)  
 Mach =   0.000     Re =     0.200 e 6     Ncrit =   5.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -18.000  -0.7162   0.12403   0.11987  -0.0453   1.0000   0.0203
 -17.750  -0.7477   0.11271   0.10839  -0.0521   1.0000   0.0202
 -17.500  -0.7783   0.10260   0.09806  -0.0581   1.0000   0.0201
 -17.250  -0.8063   0.09390   0.08914  -0.0629   1.0000   0.0200
 -17.000  -0.8290   0.08675   0.08177  -0.0664   1.0000   0.0200
 -16.750  -0.8473   0.08077   0.07559  -0.0689   1.0000   0.0200
 -16.500  -0.8687   0.07484   0.06939  -0.0708   1.0000   0.0201
 -16.250  -0.8842   0.07000   0.06430  -0.0719   1.0000   0.0202
 -16.000  -0.8956   0.06589   0.05997  -0.0724   1.0000   0.0202
 -15.750  -0.9064   0.06211   0.05595  -0.0726   1.0000   0.0203
 -15.500  -0.9055   0.05968   0.05349  -0.0722   0.9925   0.0206
 -15.250  -0.8998   0.05697   0.05062  -0.0739   0.9629   0.0208
 -15.000  -0.8902   0.05458   0.04808  -0.0756   0.9523   0.0212
 -14.750  -0.8822   0.05207   0.04536  -0.0766   0.9430   0.0214
 -14.500  -0.8744   0.04989   0.04300  -0.0770   0.9340   0.0218
 -14.250  -0.8668   0.04793   0.04086  -0.0768   0.9255   0.0221
 -14.000  -0.8577   0.04611   0.03884  -0.0764   0.9182   0.0225
 -13.750  -0.8477   0.04443   0.03697  -0.0758   0.9111   0.0228
 -13.500  -0.8349   0.04290   0.03526  -0.0753   0.9048   0.0230
 -13.250  -0.8213   0.04147   0.03364  -0.0747   0.8992   0.0235
 -13.000  -0.8063   0.04018   0.03218  -0.0741   0.8935   0.0239
 -12.750  -0.7908   0.03897   0.03080  -0.0734   0.8884   0.0244
 -12.500  -0.7726   0.03790   0.02968  -0.0730   0.8842   0.0247
 -12.250  -0.7567   0.03687   0.02862  -0.0725   0.8794   0.0252
 -12.000  -0.7414   0.03591   0.02760  -0.0718   0.8749   0.0257
 -11.750  -0.7263   0.03499   0.02662  -0.0710   0.8710   0.0265
 -11.500  -0.7109   0.03412   0.02563  -0.0703   0.8676   0.0274
 -11.250  -0.6946   0.03323   0.02466  -0.0696   0.8636   0.0281
 -11.000  -0.6787   0.03239   0.02373  -0.0688   0.8598   0.0290
 -10.750  -0.6655   0.03141   0.02274  -0.0678   0.8563   0.0298
 -10.500  -0.6518   0.03055   0.02183  -0.0667   0.8532   0.0306
 -10.250  -0.6380   0.02971   0.02094  -0.0656   0.8503   0.0314
 -10.000  -0.6242   0.02887   0.02005  -0.0646   0.8469   0.0325
  -9.750  -0.6102   0.02808   0.01918  -0.0634   0.8435   0.0338
  -9.500  -0.5982   0.02721   0.01828  -0.0621   0.8404   0.0352
  -9.250  -0.5848   0.02646   0.01750  -0.0609   0.8375   0.0368
  -9.000  -0.5707   0.02578   0.01675  -0.0596   0.8349   0.0389
  -8.750  -0.5571   0.02506   0.01598  -0.0583   0.8321   0.0412
  -8.500  -0.5432   0.02436   0.01527  -0.0571   0.8289   0.0439
  -8.250  -0.5279   0.02376   0.01461  -0.0559   0.8261   0.0471
  -8.000  -0.5145   0.02307   0.01395  -0.0545   0.8235   0.0525
  -7.750  -0.5006   0.02242   0.01331  -0.0530   0.8211   0.0602
  -7.500  -0.4876   0.02174   0.01267  -0.0514   0.8189   0.0737
  -7.250  -0.4780   0.02093   0.01200  -0.0494   0.8170   0.1005
  -7.000  -0.4731   0.01993   0.01130  -0.0468   0.8144   0.1523
  -6.750  -0.4713   0.01888   0.01059  -0.0438   0.8115   0.2135
  -6.500  -0.4731   0.01780   0.00985  -0.0400   0.8086   0.2764
  -6.250  -0.4776   0.01676   0.00910  -0.0356   0.8058   0.3379
  -6.000  -0.4851   0.01575   0.00839  -0.0303   0.8032   0.3993
  -5.750  -0.4930   0.01490   0.00785  -0.0245   0.8008   0.4610
  -5.500  -0.4978   0.01445   0.00784  -0.0186   0.7986   0.5363
  -5.250  -0.4481   0.01560   0.00943  -0.0211   0.7977   0.6299
  -5.000  -0.4546   0.01559   0.00941  -0.0150   0.7944   0.6550
  -4.750  -0.4521   0.01580   0.00959  -0.0103   0.7917   0.6788
  -4.500  -0.4411   0.01624   0.00998  -0.0069   0.7896   0.6976
  -4.250  -0.3910   0.01743   0.01115  -0.0100   0.7890   0.7052
  -4.000  -0.3850   0.01725   0.01087  -0.0064   0.7869   0.7151
  -3.750  -0.3438   0.01787   0.01145  -0.0084   0.7861   0.7179
  -3.500  -0.3085   0.01831   0.01183  -0.0096   0.7852   0.7211
  -3.250  -0.2975   0.01811   0.01155  -0.0069   0.7837   0.7287
  -3.000  -0.2744   0.01810   0.01147  -0.0063   0.7827   0.7325
  -2.750  -0.2423   0.01829   0.01161  -0.0071   0.7819   0.7341
  -2.500  -0.2142   0.01848   0.01178  -0.0074   0.7802   0.7360
  -2.250  -0.1898   0.01863   0.01192  -0.0071   0.7780   0.7386
  -2.000  -0.1739   0.01858   0.01184  -0.0055   0.7758   0.7432
  -1.750  -0.1650   0.01831   0.01151  -0.0028   0.7736   0.7487
  -1.500  -0.1371   0.01844   0.01164  -0.0031   0.7722   0.7500
  -1.250  -0.1104   0.01854   0.01173  -0.0032   0.7708   0.7514
  -1.000  -0.0844   0.01859   0.01176  -0.0031   0.7695   0.7530
  -0.750  -0.0595   0.01857   0.01172  -0.0029   0.7681   0.7549
  -0.500  -0.0362   0.01850   0.01164  -0.0024   0.7669   0.7573
  -0.250  -0.0156   0.01837   0.01147  -0.0016   0.7658   0.7604
   0.000   0.0003   0.01803   0.01107   0.0000   0.7645   0.7645
   0.250   0.0163   0.01831   0.01140   0.0015   0.7607   0.7659
   0.500   0.0359   0.01848   0.01161   0.0025   0.7574   0.7670
   0.750   0.0588   0.01856   0.01171   0.0030   0.7549   0.7682
   1.000   0.0836   0.01859   0.01176   0.0032   0.7529   0.7695
   1.250   0.1094   0.01855   0.01174   0.0033   0.7512   0.7709
   1.500   0.1361   0.01846   0.01166   0.0032   0.7498   0.7722
   1.750   0.1639   0.01833   0.01154   0.0030   0.7484   0.7736
   2.250   0.1902   0.01865   0.01194   0.0071   0.7386   0.7778
   2.500   0.2140   0.01852   0.01183   0.0075   0.7359   0.7799
   2.750   0.2412   0.01831   0.01163   0.0073   0.7339   0.7820
   3.000   0.2730   0.01812   0.01149   0.0065   0.7323   0.7828
   3.250   0.3076   0.01785   0.01127   0.0053   0.7308   0.7836
   3.500   0.3083   0.01830   0.01182   0.0096   0.7210   0.7853
   3.750   0.3428   0.01788   0.01146   0.0086   0.7177   0.7862
   4.000   0.3837   0.01728   0.01090   0.0066   0.7149   0.7870
   4.250   0.3908   0.01744   0.01116   0.0100   0.7053   0.7890
   4.500   0.4414   0.01622   0.00996   0.0069   0.6976   0.7896
   4.750   0.4523   0.01578   0.00957   0.0103   0.6785   0.7917
   5.000   0.4546   0.01558   0.00940   0.0151   0.6544   0.7943
   5.250   0.4489   0.01559   0.00943   0.0210   0.6298   0.7975
   5.500   0.4978   0.01445   0.00781   0.0186   0.5319   0.7985
   5.750   0.4929   0.01491   0.00785   0.0245   0.4603   0.8009
   6.000   0.4844   0.01577   0.00840   0.0304   0.3973   0.8033
   6.250   0.4770   0.01678   0.00911   0.0357   0.3359   0.8059
   6.500   0.4721   0.01785   0.00987   0.0401   0.2733   0.8086
   6.750   0.4711   0.01890   0.01060   0.0438   0.2119   0.8115
   7.000   0.4735   0.01992   0.01130   0.0468   0.1524   0.8144
   7.250   0.4783   0.02093   0.01199   0.0493   0.1002   0.8171
   7.500   0.4879   0.02175   0.01267   0.0514   0.0731   0.8190
   7.750   0.5009   0.02242   0.01331   0.0530   0.0597   0.8211
   8.000   0.5147   0.02308   0.01395   0.0544   0.0521   0.8235
   8.250   0.5284   0.02375   0.01460   0.0558   0.0470   0.8261
   8.500   0.5435   0.02436   0.01527   0.0570   0.0436   0.8288
   8.750   0.5576   0.02506   0.01598   0.0582   0.0411   0.8319
   9.000   0.5710   0.02579   0.01675   0.0595   0.0390   0.8350
   9.250   0.5848   0.02649   0.01753   0.0608   0.0371   0.8375
   9.500   0.5985   0.02722   0.01830   0.0621   0.0352   0.8404
   9.750   0.6103   0.02810   0.01920   0.0634   0.0339   0.8436
  10.000   0.6245   0.02888   0.02006   0.0645   0.0325   0.8469
  10.250   0.6386   0.02970   0.02093   0.0655   0.0315   0.8503
  10.500   0.6525   0.03053   0.02181   0.0666   0.0304   0.8533
  10.750   0.6662   0.03140   0.02273   0.0677   0.0297   0.8564
  11.000   0.6797   0.03234   0.02369   0.0687   0.0290   0.8599
  11.250   0.6952   0.03324   0.02464   0.0695   0.0283   0.8636
  11.500   0.7115   0.03409   0.02561   0.0702   0.0274   0.8676
  11.750   0.7271   0.03497   0.02659   0.0709   0.0264   0.8712
  12.000   0.7422   0.03589   0.02759   0.0717   0.0257   0.8750
  12.250   0.7573   0.03686   0.02861   0.0724   0.0251   0.8795
  12.500   0.7737   0.03790   0.02967   0.0729   0.0246   0.8841
  12.750   0.7914   0.03897   0.03079   0.0733   0.0243   0.8885
  13.000   0.8071   0.04014   0.03213   0.0739   0.0238   0.8936
  13.250   0.8226   0.04142   0.03358   0.0745   0.0235   0.8994
  13.500   0.8363   0.04286   0.03520   0.0751   0.0231   0.9050
  13.750   0.8481   0.04442   0.03697   0.0757   0.0226   0.9115
  14.000   0.8589   0.04612   0.03885   0.0763   0.0224   0.9185
  14.250   0.8682   0.04796   0.04089   0.0766   0.0221   0.9259
  14.500   0.8757   0.04997   0.04310   0.0768   0.0218   0.9343
  14.750   0.8832   0.05220   0.04553   0.0764   0.0215   0.9435
  15.000   0.8914   0.05464   0.04814   0.0753   0.0211   0.9529
  15.250   0.9004   0.05717   0.05084   0.0736   0.0208   0.9636
  15.500   0.9043   0.05977   0.05359   0.0726   0.0206   1.0000
  15.750   0.9038   0.06246   0.05638   0.0724   0.0204   1.0000
  16.000   0.8974   0.06584   0.05991   0.0722   0.0202   1.0000
  16.250   0.8859   0.06997   0.06426   0.0716   0.0201   1.0000
  16.500   0.8737   0.07438   0.06888   0.0706   0.0201   1.0000
  16.750   0.8567   0.07969   0.07442   0.0690   0.0201   1.0000
  17.000   0.8341   0.08620   0.08118   0.0664   0.0200   1.0000
  17.250   0.8121   0.09318   0.08838   0.0630   0.0200   1.0000
  17.500   0.7885   0.10100   0.09640   0.0588   0.0201   1.0000
  17.750   0.7550   0.11153   0.10717   0.0526   0.0201   1.0000
  18.000   0.7148   0.12485   0.12069   0.0445   0.0202   1.0000
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