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GRUMMAN K-3 AIRFOIL (k3-il) Xfoil prediction polar at RE=200,000 Ncrit=9


Details Polar file
Airfoil: GRUMMAN K-3 AIRFOIL (k3-il)
Reynolds number: 200,000
Max Cl/Cd: 49.16 at α=2.75°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-k3-il-200000.txt
Download as CSV file: xf-k3-il-200000.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: GRUMMAN K-3 AIRFOIL                             
  
 1 1 Reynolds number fixed          Mach number fixed         
  
 xtrf =   1.000 (top)        1.000 (bottom)  
 Mach =   0.000     Re =     0.200 e 6     Ncrit =   9.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -18.000  -0.9289   0.09436   0.08885  -0.0770   0.9999   0.0768
 -17.750  -1.0037   0.08112   0.07520  -0.0829   0.9999   0.0768
 -17.500  -1.0396   0.07441   0.06825  -0.0848   0.9999   0.0772
 -17.250  -1.0674   0.06920   0.06281  -0.0857   0.9999   0.0777
 -17.000  -1.0922   0.06482   0.05821  -0.0860   0.9999   0.0782
 -16.750  -1.1151   0.06096   0.05412  -0.0857   0.9999   0.0787
 -16.500  -1.1182   0.05873   0.05182  -0.0847   0.9999   0.0795
 -16.250  -1.1054   0.05794   0.05111  -0.0836   0.9999   0.0805
 -16.000  -1.1042   0.05638   0.04954  -0.0825   0.9999   0.0815
 -15.750  -1.1083   0.05445   0.04754  -0.0813   0.9999   0.0824
 -15.500  -1.1155   0.05238   0.04536  -0.0799   0.9999   0.0834
 -15.250  -1.1245   0.05028   0.04313  -0.0783   0.9999   0.0845
 -15.000  -1.1360   0.04820   0.04087  -0.0765   0.9999   0.0854
 -14.750  -1.1451   0.04633   0.03886  -0.0744   0.9999   0.0864
 -14.500  -1.1296   0.04573   0.03840  -0.0729   0.9999   0.0879
 -14.250  -1.1271   0.04471   0.03739  -0.0709   0.9999   0.0892
 -14.000  -1.1304   0.04344   0.03608  -0.0687   0.9999   0.0905
 -13.750  -1.1379   0.04206   0.03459  -0.0660   0.9999   0.0918
 -13.500  -1.1499   0.04066   0.03306  -0.0628   0.9999   0.0930
 -13.250  -1.1672   0.03939   0.03164  -0.0586   0.9999   0.0939
 -13.000  -1.1528   0.03872   0.03111  -0.0568   0.9999   0.0957
 -12.750  -1.1563   0.03785   0.03027  -0.0536   0.9999   0.0971
 -12.500  -1.1549   0.03679   0.02917  -0.0516   0.9999   0.0987
 -12.250  -1.1514   0.03558   0.02784  -0.0502   0.9999   0.1007
 -12.000  -1.1439   0.03437   0.02651  -0.0492   0.9999   0.1027
 -11.750  -1.1308   0.03358   0.02582  -0.0479   0.9999   0.1048
 -11.500  -1.1181   0.03273   0.02496  -0.0472   0.9999   0.1073
 -11.250  -1.1044   0.03181   0.02390  -0.0467   0.9999   0.1103
 -11.000  -1.0888   0.03096   0.02309  -0.0459   0.9999   0.1130
 -10.750  -1.0717   0.03026   0.02243  -0.0455   0.9999   0.1161
 -10.500  -1.0531   0.02953   0.02156  -0.0455   0.9999   0.1199
 -10.250  -1.0250   0.02880   0.02092  -0.0469   0.9982   0.1239
 -10.000  -0.9936   0.02824   0.02031  -0.0491   0.9960   0.1290
  -9.750  -0.9623   0.02762   0.01973  -0.0512   0.9941   0.1341
  -9.500  -0.9287   0.02717   0.01923  -0.0536   0.9921   0.1403
  -9.250  -0.9008   0.02652   0.01866  -0.0549   0.9896   0.1459
  -9.000  -0.8700   0.02610   0.01813  -0.0567   0.9873   0.1528
  -8.750  -0.8394   0.02557   0.01773  -0.0585   0.9853   0.1596
  -8.500  -0.8052   0.02516   0.01733  -0.0608   0.9834   0.1675
  -8.250  -0.7680   0.02491   0.01706  -0.0637   0.9817   0.1762
  -8.000  -0.7367   0.02444   0.01669  -0.0655   0.9789   0.1844
  -7.750  -0.7078   0.02406   0.01631  -0.0667   0.9765   0.1932
  -7.500  -0.6765   0.02371   0.01602  -0.0684   0.9744   0.2030
  -7.250  -0.6432   0.02335   0.01574  -0.0705   0.9727   0.2137
  -7.000  -0.6083   0.02307   0.01551  -0.0728   0.9712   0.2262
  -6.750  -0.5705   0.02283   0.01533  -0.0757   0.9698   0.2410
  -6.500  -0.5301   0.02259   0.01521  -0.0792   0.9685   0.2589
  -6.250  -0.4992   0.02220   0.01495  -0.0808   0.9656   0.2781
  -6.000  -0.4667   0.02183   0.01478  -0.0828   0.9637   0.3033
  -5.750  -0.4314   0.02154   0.01472  -0.0853   0.9620   0.3377
  -5.500  -0.3955   0.02141   0.01483  -0.0878   0.9604   0.3800
  -5.250  -0.3596   0.02152   0.01513  -0.0899   0.9585   0.4190
  -5.000  -0.3224   0.02181   0.01546  -0.0920   0.9566   0.4497
  -4.750  -0.2861   0.02225   0.01595  -0.0938   0.9551   0.4716
  -4.500  -0.2566   0.02267   0.01635  -0.0944   0.9530   0.4889
  -4.250  -0.2392   0.02298   0.01676  -0.0924   0.9487   0.4988
  -4.000  -0.2084   0.02332   0.01705  -0.0932   0.9458   0.5118
  -3.750  -0.1801   0.02382   0.01764  -0.0931   0.9436   0.5206
  -3.500  -0.1430   0.02424   0.01798  -0.0951   0.9417   0.5326
  -3.250  -0.1087   0.02481   0.01866  -0.0959   0.9400   0.5397
  -3.000  -0.0959   0.02510   0.01899  -0.0933   0.9346   0.5467
  -2.750  -0.0646   0.02537   0.01920  -0.0943   0.9311   0.5555
  -2.500  -0.0355   0.02579   0.01972  -0.0942   0.9283   0.5610
  -2.250   0.0001   0.02621   0.02019  -0.0954   0.9262   0.5681
  -2.000   0.0443   0.02654   0.02044  -0.0988   0.9247   0.5773
  -1.750   0.0513   0.02671   0.02072  -0.0949   0.9165   0.5811
  -1.500   0.0827   0.02703   0.02112  -0.0951   0.9129   0.5865
  -1.250   0.1226   0.02726   0.02138  -0.0972   0.9105   0.5936
  -1.000   0.1521   0.02744   0.02151  -0.0980   0.9047   0.6008
  -0.750   0.1769   0.02755   0.02174  -0.0970   0.8987   0.6052
  -0.500   0.2131   0.02768   0.02197  -0.0978   0.8952   0.6112
  -0.250   0.2475   0.02759   0.02192  -0.0985   0.8879   0.6181
   0.000   0.3296   0.02527   0.01957  -0.1061   0.8766   0.6258
   0.250   0.3626   0.02434   0.01872  -0.1056   0.8637   0.6292
   0.500   0.4091   0.02347   0.01793  -0.1078   0.8601   0.6331
   0.750   0.4605   0.02246   0.01699  -0.1111   0.8579   0.6377
   1.000   0.4797   0.02244   0.01701  -0.1094   0.8463   0.6421
   1.250   0.5361   0.02115   0.01572  -0.1139   0.8428   0.6475
   1.500   0.5934   0.01955   0.01423  -0.1179   0.8402   0.6509
   1.750   0.6123   0.01923   0.01400  -0.1154   0.8273   0.6537
   2.000   0.6769   0.01762   0.01247  -0.1207   0.8201   0.6574
   2.250   0.7042   0.01708   0.01198  -0.1196   0.8020   0.6615
   2.500   0.7367   0.01650   0.01142  -0.1196   0.7767   0.6659
   2.750   0.7782   0.01583   0.01061  -0.1212   0.7238   0.6701
   3.000   0.7994   0.01637   0.00998  -0.1186   0.5181   0.6729
   3.250   0.7889   0.01775   0.01063  -0.1111   0.3926   0.6755
   3.500   0.7843   0.01892   0.01129  -0.1050   0.3056   0.6785
   3.750   0.7925   0.01987   0.01190  -0.1015   0.2531   0.6820
   4.000   0.8085   0.02065   0.01246  -0.0996   0.2242   0.6858
   4.250   0.8293   0.02133   0.01298  -0.0985   0.2052   0.6897
   4.500   0.8522   0.02202   0.01351  -0.0980   0.1904   0.6934
   4.750   0.8741   0.02242   0.01392  -0.0969   0.1786   0.6965
   5.000   0.8945   0.02298   0.01445  -0.0955   0.1685   0.6999
   5.250   0.9156   0.02355   0.01497  -0.0944   0.1594   0.7038
   5.500   0.9390   0.02404   0.01548  -0.0937   0.1508   0.7080
   5.750   0.9620   0.02473   0.01603  -0.0931   0.1429   0.7121
   6.000   0.9868   0.02516   0.01650  -0.0928   0.1349   0.7161
   6.250   1.0073   0.02572   0.01705  -0.0915   0.1278   0.7194
   6.500   1.0274   0.02621   0.01756  -0.0902   0.1207   0.7232
   6.750   1.0483   0.02678   0.01817  -0.0891   0.1134   0.7278
   7.000   1.0691   0.02744   0.01879  -0.0881   0.1064   0.7326
   7.250   1.0906   0.02806   0.01937  -0.0874   0.0991   0.7372
   7.500   1.1093   0.02860   0.01999  -0.0859   0.0916   0.7409
   7.750   1.1271   0.02925   0.02069  -0.0844   0.0843   0.7449
   8.000   1.1452   0.02999   0.02144  -0.0829   0.0775   0.7496
   8.250   1.1635   0.03082   0.02226  -0.0816   0.0714   0.7549
   8.500   1.1813   0.03170   0.02311  -0.0804   0.0664   0.7600
   8.750   1.1972   0.03249   0.02395  -0.0786   0.0619   0.7648
   9.000   1.2136   0.03346   0.02498  -0.0769   0.0580   0.7701
   9.250   1.2295   0.03455   0.02599  -0.0755   0.0552   0.7757
   9.500   1.2470   0.03559   0.02716  -0.0742   0.0523   0.7811
   9.750   1.2615   0.03667   0.02821  -0.0724   0.0503   0.7862
  10.000   1.2775   0.03788   0.02955  -0.0708   0.0484   0.7924
  10.250   1.2940   0.03908   0.03080  -0.0696   0.0466   0.7994
  10.500   1.3091   0.04023   0.03191  -0.0680   0.0453   0.8057
  10.750   1.3236   0.04159   0.03344  -0.0663   0.0439   0.8132
  11.000   1.3375   0.04294   0.03493  -0.0647   0.0426   0.8209
  11.250   1.3497   0.04417   0.03623  -0.0629   0.0415   0.8285
  11.500   1.3678   0.04551   0.03748  -0.0620   0.0405   0.8377
  11.750   1.3746   0.04712   0.03935  -0.0595   0.0396   0.8462
  12.000   1.3833   0.04885   0.04129  -0.0576   0.0388   0.8570
  12.250   1.3893   0.05045   0.04307  -0.0552   0.0381   0.8688
  12.500   1.3948   0.05208   0.04486  -0.0528   0.0376   0.8835
  12.750   1.3984   0.05363   0.04653  -0.0501   0.0371   0.9035
  13.000   1.3962   0.05479   0.04781  -0.0462   0.0368   0.9477
  13.250   1.4080   0.05654   0.04955  -0.0453   0.0363   1.0001
  13.500   1.4150   0.05936   0.05252  -0.0447   0.0359   1.0001
  13.750   1.4098   0.06271   0.05615  -0.0433   0.0357   1.0001
  14.000   1.4019   0.06636   0.06007  -0.0421   0.0355   1.0001
  14.250   1.3911   0.07035   0.06434  -0.0412   0.0353   1.0001
  14.500   1.3776   0.07478   0.06903  -0.0406   0.0352   1.0001
  14.750   1.3616   0.07973   0.07425  -0.0407   0.0351   1.0001
  15.000   1.3422   0.08538   0.08018  -0.0415   0.0351   1.0001
  15.250   1.3191   0.09197   0.08705  -0.0434   0.0351   1.0001
  15.500   1.2925   0.09969   0.09506  -0.0468   0.0351   1.0001
  15.750   1.2609   0.10905   0.10473  -0.0521   0.0353   1.0001
  16.000   1.2242   0.12047   0.11646  -0.0598   0.0355   1.0001
  16.250   1.1846   0.13388   0.13015  -0.0698   0.0358   1.0001
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