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NACA 65(4)-221 (naca654221-il) Xfoil prediction polar at RE=200,000 Ncrit=5


Details Polar file
Airfoil: NACA 65(4)-221 (naca654221-il)
Reynolds number: 200,000
Max Cl/Cd: 52.58 at α=7.25°
Description: Mach=0 Ncrit=5
Source: Xfoil prediction
Download polar: xf-naca654221-il-200000-n5.txt
Download as CSV file: xf-naca654221-il-200000-n5.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: NACA 65(4)-221                                  
  
 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
  ------ -------- --------- --------- -------- -------- --------
 -19.500  -0.8042   0.11512   0.11016  -0.0541   1.0000   0.0271
 -19.250  -0.8304   0.10671   0.10150  -0.0588   1.0000   0.0272
 -19.000  -0.8505   0.09979   0.09436  -0.0625   1.0000   0.0273
 -18.750  -0.8662   0.09390   0.08825  -0.0654   1.0000   0.0274
 -18.500  -0.8799   0.08853   0.08267  -0.0678   1.0000   0.0276
 -18.250  -0.8910   0.08375   0.07768  -0.0697   1.0000   0.0277
 -18.000  -0.8996   0.07949   0.07320  -0.0713   1.0000   0.0279
 -17.750  -0.9075   0.07547   0.06897  -0.0726   1.0000   0.0280
 -17.500  -0.9070   0.07251   0.06588  -0.0733   1.0000   0.0282
 -17.250  -0.8997   0.07034   0.06367  -0.0737   1.0000   0.0285
 -17.000  -0.8934   0.06812   0.06140  -0.0741   1.0000   0.0287
 -16.750  -0.8872   0.06593   0.05912  -0.0745   1.0000   0.0289
 -16.500  -0.8800   0.06387   0.05700  -0.0748   1.0000   0.0291
 -16.250  -0.8721   0.06192   0.05497  -0.0750   1.0000   0.0294
 -16.000  -0.8637   0.06005   0.05302  -0.0751   1.0000   0.0296
 -15.750  -0.8544   0.05830   0.05120  -0.0752   1.0000   0.0299
 -15.500  -0.8447   0.05661   0.04944  -0.0752   1.0000   0.0303
 -15.250  -0.8335   0.05507   0.04784  -0.0752   1.0000   0.0306
 -15.000  -0.8227   0.05355   0.04624  -0.0752   1.0000   0.0311
 -14.750  -0.8117   0.05207   0.04468  -0.0751   1.0000   0.0316
 -14.500  -0.7988   0.05079   0.04334  -0.0749   1.0000   0.0319
 -14.250  -0.7746   0.04923   0.04163  -0.0775   0.9537   0.0325
 -14.000  -0.7478   0.04789   0.04024  -0.0799   0.9371   0.0330
 -13.750  -0.7249   0.04659   0.03888  -0.0816   0.9214   0.0334
 -13.500  -0.7064   0.04533   0.03756  -0.0825   0.9069   0.0339
 -13.250  -0.6903   0.04412   0.03628  -0.0828   0.8940   0.0344
 -13.000  -0.6766   0.04293   0.03503  -0.0827   0.8820   0.0349
 -12.750  -0.6635   0.04175   0.03376  -0.0825   0.8714   0.0355
 -12.500  -0.6512   0.04059   0.03251  -0.0821   0.8614   0.0361
 -12.250  -0.6394   0.03945   0.03129  -0.0816   0.8520   0.0367
 -12.000  -0.6279   0.03835   0.03008  -0.0810   0.8431   0.0375
 -11.750  -0.6186   0.03710   0.02877  -0.0803   0.8352   0.0381
 -11.500  -0.6096   0.03586   0.02750  -0.0795   0.8273   0.0391
 -11.250  -0.5997   0.03473   0.02629  -0.0787   0.8207   0.0401
 -11.000  -0.5890   0.03365   0.02516  -0.0780   0.8133   0.0413
 -10.750  -0.5785   0.03261   0.02403  -0.0771   0.8066   0.0426
 -10.500  -0.5686   0.03158   0.02292  -0.0761   0.8006   0.0438
 -10.250  -0.5597   0.03047   0.02179  -0.0750   0.7937   0.0454
 -10.000  -0.5496   0.02948   0.02074  -0.0739   0.7876   0.0476
  -9.500  -0.5294   0.02755   0.01873  -0.0717   0.7765   0.0534
  -9.250  -0.5190   0.02662   0.01778  -0.0705   0.7711   0.0581
  -9.000  -0.5104   0.02565   0.01680  -0.0691   0.7663   0.0661
  -8.750  -0.5041   0.02455   0.01578  -0.0675   0.7614   0.0818
  -8.500  -0.4996   0.02340   0.01474  -0.0656   0.7559   0.1032
  -8.250  -0.4978   0.02216   0.01365  -0.0634   0.7508   0.1340
  -8.000  -0.4964   0.02098   0.01257  -0.0610   0.7464   0.1650
  -7.750  -0.4979   0.01973   0.01150  -0.0582   0.7415   0.1995
  -7.500  -0.5010   0.01852   0.01046  -0.0550   0.7366   0.2355
  -7.250  -0.5080   0.01731   0.00942  -0.0509   0.7321   0.2755
  -7.000  -0.5201   0.01634   0.00860  -0.0455   0.7283   0.3171
  -6.750  -0.5289   0.01554   0.00805  -0.0402   0.7242   0.3670
  -6.500  -0.5287   0.01491   0.00781  -0.0360   0.7197   0.4343
  -6.250  -0.5129   0.01474   0.00781  -0.0342   0.7158   0.4822
  -6.000  -0.4925   0.01473   0.00781  -0.0330   0.7124   0.5136
  -5.750  -0.4712   0.01476   0.00777  -0.0319   0.7094   0.5375
  -5.500  -0.4475   0.01494   0.00793  -0.0312   0.7062   0.5562
  -5.250  -0.4246   0.01506   0.00798  -0.0305   0.7027   0.5710
  -5.000  -0.3961   0.01537   0.00833  -0.0304   0.6995   0.5811
  -4.750  -0.3710   0.01553   0.00841  -0.0300   0.6965   0.5917
  -4.500  -0.3422   0.01576   0.00861  -0.0300   0.6938   0.5987
  -4.250  -0.3170   0.01569   0.00839  -0.0298   0.6912   0.6044
  -4.000  -0.2909   0.01561   0.00823  -0.0298   0.6883   0.6082
  -3.750  -0.2627   0.01564   0.00825  -0.0301   0.6850   0.6107
  -3.500  -0.2350   0.01563   0.00821  -0.0302   0.6820   0.6133
  -3.250  -0.2077   0.01558   0.00809  -0.0304   0.6793   0.6160
  -3.000  -0.1808   0.01549   0.00793  -0.0306   0.6768   0.6190
  -2.750  -0.1541   0.01538   0.00772  -0.0308   0.6746   0.6221
  -2.500  -0.1274   0.01525   0.00745  -0.0310   0.6725   0.6250
  -2.250  -0.0995   0.01524   0.00745  -0.0312   0.6699   0.6268
  -2.000  -0.0721   0.01525   0.00747  -0.0314   0.6668   0.6288
  -1.750  -0.0446   0.01524   0.00745  -0.0316   0.6639   0.6309
  -1.500  -0.0170   0.01522   0.00740  -0.0319   0.6613   0.6330
  -1.250   0.0107   0.01518   0.00733  -0.0321   0.6591   0.6354
  -1.000   0.0385   0.01514   0.00724  -0.0324   0.6570   0.6380
  -0.750   0.0665   0.01510   0.00712  -0.0328   0.6552   0.6410
  -0.500   0.0942   0.01508   0.00704  -0.0332   0.6532   0.6437
  -0.250   0.1208   0.01512   0.00714  -0.0333   0.6504   0.6454
   0.000   0.1478   0.01516   0.00721  -0.0334   0.6475   0.6472
   0.250   0.1751   0.01519   0.00726  -0.0336   0.6449   0.6492
   0.500   0.2027   0.01522   0.00730  -0.0338   0.6427   0.6515
   0.750   0.2306   0.01525   0.00732  -0.0341   0.6407   0.6542
   1.000   0.2588   0.01526   0.00732  -0.0345   0.6388   0.6571
   1.250   0.2875   0.01527   0.00728  -0.0350   0.6370   0.6599
   1.500   0.3148   0.01532   0.00734  -0.0353   0.6348   0.6623
   1.750   0.3401   0.01542   0.00754  -0.0351   0.6319   0.6642
   2.000   0.3662   0.01553   0.00771  -0.0351   0.6293   0.6663
   2.250   0.3929   0.01563   0.00786  -0.0353   0.6270   0.6686
   2.500   0.4201   0.01570   0.00797  -0.0354   0.6247   0.6713
   2.750   0.4480   0.01576   0.00804  -0.0358   0.6225   0.6743
   3.000   0.4767   0.01580   0.00809  -0.0362   0.6205   0.6775
   3.250   0.5059   0.01586   0.00813  -0.0368   0.6189   0.6805
   3.500   0.5306   0.01602   0.00841  -0.0366   0.6163   0.6826
   3.750   0.5537   0.01621   0.00872  -0.0361   0.6131   0.6849
   4.000   0.5784   0.01636   0.00895  -0.0359   0.6101   0.6876
   4.250   0.6047   0.01646   0.00912  -0.0359   0.6073   0.6904
   4.500   0.6327   0.01651   0.00921  -0.0362   0.6046   0.6937
   4.750   0.6628   0.01651   0.00922  -0.0368   0.6020   0.6973
   5.000   0.6874   0.01663   0.00943  -0.0366   0.5985   0.7004
   5.250   0.7071   0.01684   0.00978  -0.0355   0.5938   0.7032
   5.500   0.7321   0.01686   0.00989  -0.0352   0.5891   0.7061
   5.750   0.7638   0.01664   0.00967  -0.0358   0.5841   0.7093
   6.000   0.7800   0.01674   0.00990  -0.0340   0.5759   0.7130
   6.250   0.8064   0.01656   0.00972  -0.0338   0.5682   0.7168
   6.500   0.8237   0.01660   0.00988  -0.0322   0.5592   0.7201
   6.750   0.8462   0.01640   0.00971  -0.0311   0.5481   0.7235
   7.000   0.8585   0.01642   0.00980  -0.0285   0.5337   0.7276
   7.250   0.8670   0.01649   0.00992  -0.0253   0.5177   0.7322
   7.500   0.8727   0.01663   0.01005  -0.0217   0.4996   0.7370
   7.750   0.8762   0.01702   0.01047  -0.0180   0.4763   0.7408
   8.000   0.8797   0.01752   0.01089  -0.0144   0.4434   0.7451
   8.250   0.8751   0.01842   0.01156  -0.0101   0.4006   0.7502
   8.500   0.8661   0.01975   0.01266  -0.0058   0.3603   0.7558
   8.750   0.8541   0.02138   0.01412  -0.0014   0.3223   0.7607
   9.000   0.8450   0.02309   0.01569   0.0022   0.2883   0.7662
   9.250   0.8376   0.02490   0.01734   0.0053   0.2559   0.7724
   9.500   0.8319   0.02673   0.01904   0.0080   0.2250   0.7780
   9.750   0.8273   0.02855   0.02076   0.0104   0.1960   0.7834
  10.000   0.8251   0.03036   0.02245   0.0125   0.1690   0.7895
  10.250   0.8250   0.03214   0.02411   0.0142   0.1425   0.7957
  10.500   0.8257   0.03385   0.02574   0.0159   0.1183   0.8015
  10.750   0.8262   0.03567   0.02745   0.0173   0.0940   0.8083
  11.000   0.8282   0.03748   0.02915   0.0186   0.0740   0.8154
  11.250   0.8324   0.03911   0.03074   0.0198   0.0609   0.8226
  11.500   0.8388   0.04070   0.03232   0.0207   0.0529   0.8306
  11.750   0.8461   0.04218   0.03385   0.0216   0.0479   0.8384
  12.000   0.8536   0.04375   0.03545   0.0223   0.0443   0.8471
  12.250   0.8616   0.04530   0.03707   0.0230   0.0417   0.8558
  12.750   0.8770   0.04852   0.04044   0.0242   0.0382   0.8769
  13.000   0.8847   0.05016   0.04218   0.0247   0.0367   0.8903
  13.250   0.8918   0.05192   0.04402   0.0251   0.0354   0.9070
  13.500   0.8998   0.05388   0.04606   0.0249   0.0344   0.9292
  13.750   0.9133   0.05569   0.04801   0.0236   0.0333   0.9730
  14.250   0.9288   0.05959   0.05200   0.0234   0.0316   1.0000
  14.500   0.9367   0.06165   0.05409   0.0231   0.0310   1.0000
  14.750   0.9430   0.06389   0.05634   0.0228   0.0303   1.0000
  15.000   0.9500   0.06606   0.05852   0.0226   0.0299   1.0000
  15.250   0.9591   0.06804   0.06058   0.0223   0.0293   1.0000
  15.500   0.9679   0.07006   0.06266   0.0220   0.0288   1.0000
  15.750   0.9768   0.07206   0.06473   0.0217   0.0283   1.0000
  16.000   0.9854   0.07414   0.06686   0.0213   0.0276   1.0000
  16.250   0.9940   0.07623   0.06899   0.0209   0.0272   1.0000
  16.500   1.0025   0.07835   0.07116   0.0205   0.0268   1.0000
  16.750   1.0106   0.08050   0.07333   0.0200   0.0263   1.0000
  17.000   1.0200   0.08247   0.07532   0.0196   0.0260   1.0000
  17.250   1.0283   0.08457   0.07744   0.0191   0.0255   1.0000
  17.500   1.0362   0.08687   0.07984   0.0185   0.0251   1.0000
  17.750   1.0446   0.08908   0.08216   0.0179   0.0249   1.0000
  18.000   1.0517   0.09149   0.08467   0.0173   0.0246   1.0000
  18.250   1.0581   0.09402   0.08730   0.0165   0.0242   1.0000
  18.500   1.0641   0.09659   0.08998   0.0157   0.0239   1.0000
  18.750   1.0694   0.09931   0.09280   0.0147   0.0237   1.0000
  19.000   1.0739   0.10214   0.09574   0.0137   0.0235   1.0000
  19.250   1.0774   0.10516   0.09886   0.0125   0.0232   1.0000
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