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NACA 67 (naca671215-il) Xfoil prediction polar at RE=500,000 Ncrit=9


Details Polar file
Airfoil: NACA 67 (naca671215-il)
Reynolds number: 500,000
Max Cl/Cd: 56.18 at α=4.75°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-naca671215-il-500000.txt
Download as CSV file: xf-naca671215-il-500000.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: NACA 67                                         
  
 1 1 Reynolds number fixed          Mach number fixed         
  
 xtrf =   1.000 (top)        1.000 (bottom)  
 Mach =   0.000     Re =     0.500 e 6     Ncrit =   9.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -15.000  -0.5382   0.08779   0.08516  -0.0994   0.9785   0.0219
 -14.750  -0.5588   0.07768   0.07499  -0.1072   0.9769   0.0213
 -14.500  -0.6005   0.06453   0.06158  -0.1185   0.9746   0.0211
 -14.250  -0.6351   0.05556   0.05231  -0.1246   0.9720   0.0207
 -14.000  -0.6611   0.04969   0.04614  -0.1265   0.9671   0.0207
 -13.750  -0.6859   0.04443   0.04053  -0.1267   0.9622   0.0208
 -13.500  -0.6988   0.04102   0.03683  -0.1256   0.9573   0.0209
 -13.250  -0.7157   0.03822   0.03372  -0.1223   0.9509   0.0213
 -13.000  -0.7204   0.03589   0.03116  -0.1200   0.9465   0.0211
 -12.750  -0.7284   0.03402   0.02901  -0.1163   0.9416   0.0215
 -12.500  -0.7299   0.03235   0.02711  -0.1132   0.9373   0.0216
 -12.250  -0.7293   0.03102   0.02553  -0.1101   0.9333   0.0218
 -12.000  -0.7256   0.02921   0.02345  -0.1075   0.9303   0.0221
 -11.750  -0.7114   0.02721   0.02130  -0.1064   0.9283   0.0225
 -11.500  -0.6959   0.02601   0.02002  -0.1053   0.9259   0.0229
 -11.250  -0.6807   0.02521   0.01915  -0.1040   0.9236   0.0232
 -11.000  -0.6649   0.02449   0.01835  -0.1027   0.9214   0.0238
 -10.750  -0.6480   0.02378   0.01754  -0.1015   0.9195   0.0243
 -10.500  -0.6293   0.02305   0.01670  -0.1005   0.9179   0.0252
 -10.250  -0.6107   0.02247   0.01600  -0.0995   0.9163   0.0260
 -10.000  -0.5921   0.02196   0.01537  -0.0984   0.9147   0.0265
  -9.750  -0.5642   0.02064   0.01399  -0.0990   0.9139   0.0275
  -9.500  -0.5448   0.02010   0.01347  -0.0982   0.9121   0.0285
  -9.250  -0.5250   0.01962   0.01296  -0.0973   0.9102   0.0294
  -9.000  -0.5051   0.01920   0.01248  -0.0964   0.9085   0.0307
  -8.750  -0.4845   0.01880   0.01201  -0.0955   0.9070   0.0319
  -8.500  -0.4649   0.01803   0.01121  -0.0946   0.9057   0.0335
  -8.250  -0.4456   0.01767   0.01087  -0.0936   0.9044   0.0353
  -8.000  -0.4255   0.01737   0.01054  -0.0926   0.9031   0.0374
  -7.750  -0.4045   0.01716   0.01026  -0.0917   0.9020   0.0390
  -7.500  -0.3889   0.01651   0.00962  -0.0901   0.9007   0.0415
  -7.250  -0.3701   0.01627   0.00939  -0.0889   0.8995   0.0438
  -7.000  -0.3510   0.01607   0.00916  -0.0877   0.8979   0.0459
  -6.750  -0.3347   0.01574   0.00880  -0.0860   0.8960   0.0482
  -6.500  -0.3185   0.01543   0.00852  -0.0844   0.8943   0.0511
  -6.250  -0.3001   0.01526   0.00835  -0.0830   0.8928   0.0544
  -6.000  -0.2817   0.01509   0.00814  -0.0816   0.8913   0.0570
  -5.750  -0.2661   0.01479   0.00787  -0.0797   0.8899   0.0619
  -5.500  -0.2476   0.01461   0.00768  -0.0783   0.8886   0.0671
  -5.250  -0.2313   0.01430   0.00741  -0.0764   0.8872   0.0768
  -5.000  -0.2162   0.01399   0.00721  -0.0743   0.8859   0.0989
  -4.750  -0.2104   0.01367   0.00718  -0.0705   0.8842   0.1575
  -4.500  -0.2216   0.01382   0.00756  -0.0634   0.8800   0.2070
  -4.250  -0.2325   0.01380   0.00777  -0.0561   0.8759   0.2624
  -4.000  -0.2387   0.01342   0.00775  -0.0497   0.8733   0.3487
  -3.750  -0.2451   0.01273   0.00751  -0.0431   0.8711   0.4622
  -3.500  -0.2762   0.01337   0.00829  -0.0317   0.8637   0.4938
  -3.250  -0.2958   0.01295   0.00832  -0.0224   0.8587   0.5969
  -3.000  -0.2858   0.01261   0.00865  -0.0183   0.8571   0.7510
  -2.750  -0.2573   0.01278   0.00880  -0.0182   0.8564   0.7816
  -2.500  -0.2282   0.01298   0.00896  -0.0184   0.8558   0.7968
  -2.250  -0.2316   0.01353   0.00949  -0.0122   0.8507   0.8053
  -2.000  -0.1866   0.01364   0.00957  -0.0155   0.8519   0.8139
  -1.750  -0.1451   0.01378   0.00968  -0.0180   0.8529   0.8241
  -1.500  -0.1002   0.01440   0.01034  -0.0205   0.8538   0.8338
  -1.250  -0.1480   0.01500   0.01094  -0.0057   0.8412   0.8421
  -1.000  -0.1132   0.01618   0.01218  -0.0055   0.8408   0.8558
  -0.750  -0.0694   0.01736   0.01341  -0.0071   0.8407   0.8625
  -0.500  -0.0307   0.01757   0.01360  -0.0092   0.8404   0.8645
  -0.250  -0.0717   0.01762   0.01363   0.0037   0.8290   0.8741
   0.000  -0.0412   0.01751   0.01351   0.0031   0.8276   0.8750
   0.250  -0.0083   0.01739   0.01337   0.0019   0.8267   0.8758
   0.500   0.0264   0.01724   0.01320   0.0004   0.8259   0.8766
   0.750   0.0624   0.01707   0.01302  -0.0014   0.8253   0.8772
   1.000   0.1005   0.01687   0.01282  -0.0036   0.8249   0.8777
   1.250   0.1396   0.01664   0.01259  -0.0060   0.8246   0.8782
   1.500   0.1826   0.01633   0.01228  -0.0091   0.8243   0.8784
   1.750   0.2280   0.01598   0.01194  -0.0128   0.8241   0.8785
   2.000   0.2737   0.01555   0.01153  -0.0164   0.8238   0.8787
   2.250   0.3115   0.01509   0.01108  -0.0183   0.8211   0.8791
   2.500   0.3171   0.01483   0.01084  -0.0138   0.8127   0.8817
   2.750   0.3908   0.01371   0.00973  -0.0225   0.8122   0.8799
   3.000   0.4754   0.01224   0.00820  -0.0334   0.8074   0.8777
   3.250   0.4837   0.01199   0.00801  -0.0292   0.7973   0.8799
   3.500   0.5186   0.01151   0.00753  -0.0304   0.7898   0.8807
   3.750   0.5288   0.01124   0.00730  -0.0269   0.7807   0.8829
   4.000   0.5386   0.01093   0.00702  -0.0233   0.7704   0.8856
   4.250   0.5425   0.01057   0.00668  -0.0186   0.7566   0.8889
   4.500   0.5418   0.01029   0.00642  -0.0127   0.7395   0.8909
   4.750   0.5607   0.00998   0.00602  -0.0106   0.7020   0.8920
   5.000   0.5651   0.01015   0.00578  -0.0056   0.6219   0.8938
   5.250   0.5506   0.01078   0.00608   0.0026   0.5510   0.8971
   5.500   0.5388   0.01152   0.00649   0.0097   0.4823   0.9001
   5.750   0.5324   0.01233   0.00695   0.0154   0.4077   0.9029
   6.000   0.5324   0.01317   0.00741   0.0197   0.3309   0.9050
   6.250   0.5338   0.01391   0.00781   0.0240   0.2575   0.9071
   6.500   0.5409   0.01463   0.00821   0.0271   0.1895   0.9088
   6.750   0.5502   0.01536   0.00864   0.0297   0.1285   0.9105
   7.000   0.5626   0.01601   0.00906   0.0318   0.0873   0.9122
   7.250   0.5785   0.01653   0.00946   0.0333   0.0695   0.9138
   7.500   0.5965   0.01695   0.00986   0.0345   0.0613   0.9154
   7.750   0.6128   0.01749   0.01036   0.0359   0.0550   0.9171
   8.000   0.6328   0.01783   0.01073   0.0367   0.0518   0.9186
   8.250   0.6512   0.01825   0.01115   0.0377   0.0486   0.9202
   8.500   0.6648   0.01882   0.01173   0.0396   0.0451   0.9221
   8.750   0.6836   0.01915   0.01211   0.0407   0.0430   0.9239
   9.000   0.7012   0.01957   0.01257   0.0419   0.0409   0.9257
   9.250   0.7158   0.02019   0.01319   0.0434   0.0384   0.9279
   9.500   0.7321   0.02075   0.01380   0.0447   0.0364   0.9300
   9.750   0.7501   0.02122   0.01431   0.0457   0.0343   0.9321
  10.000   0.7669   0.02178   0.01487   0.0467   0.0324   0.9342
  10.250   0.7786   0.02262   0.01574   0.0487   0.0306   0.9365
  10.500   0.7953   0.02311   0.01632   0.0499   0.0291   0.9391
  10.750   0.8124   0.02355   0.01678   0.0509   0.0272   0.9419
  11.000   0.8253   0.02442   0.01765   0.0524   0.0259   0.9449
  11.250   0.8399   0.02529   0.01859   0.0538   0.0250   0.9479
  11.500   0.8558   0.02589   0.01929   0.0549   0.0241   0.9515
  11.750   0.8711   0.02658   0.02006   0.0561   0.0232   0.9554
  12.000   0.8865   0.02739   0.02093   0.0571   0.0226   0.9594
  12.250   0.9038   0.02818   0.02175   0.0575   0.0217   0.9632
  12.500   0.9227   0.02942   0.02305   0.0577   0.0213   0.9665
  12.750   0.9429   0.03078   0.02453   0.0576   0.0207   0.9698
  13.000   0.9635   0.03194   0.02584   0.0572   0.0204   0.9734
  13.250   0.9845   0.03332   0.02738   0.0565   0.0198   0.9765
  13.500   1.0044   0.03472   0.02892   0.0557   0.0193   0.9799
  13.750   1.0228   0.03620   0.03053   0.0550   0.0189   0.9835
  14.000   1.0386   0.03763   0.03207   0.0544   0.0184   0.9915
  14.250   1.0484   0.03937   0.03393   0.0551   0.0182   1.0000
  14.500   1.0554   0.04088   0.03554   0.0561   0.0180   1.0000
  14.750   1.0611   0.04258   0.03733   0.0571   0.0177   1.0000
  15.000   1.0650   0.04461   0.03947   0.0581   0.0176   1.0000
  15.250   1.0655   0.04724   0.04223   0.0592   0.0173   1.0000
  15.500   1.0604   0.05040   0.04558   0.0604   0.0172   1.0000
  15.750   1.0496   0.05414   0.04955   0.0615   0.0171   1.0000
  16.000   1.0364   0.05790   0.05352   0.0622   0.0170   1.0000
  16.250   1.0243   0.06182   0.05763   0.0625   0.0170   1.0000
  16.500   1.0081   0.06637   0.06239   0.0621   0.0170   1.0000
  16.750   0.9891   0.07161   0.06784   0.0610   0.0169   1.0000
  17.000   0.9674   0.07780   0.07423   0.0592   0.0170   1.0000
  17.250   0.9450   0.08456   0.08117   0.0563   0.0170   1.0000
  17.500   0.9188   0.09258   0.08939   0.0522   0.0170   1.0000
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