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NACA 4424 (naca4424-il) Xfoil prediction polar at RE=1,000,000 Ncrit=9


Details Polar file
Airfoil: NACA 4424 (naca4424-il)
Reynolds number: 1,000,000
Max Cl/Cd: 73.61 at α=7.75°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-naca4424-il-1000000.txt
Download as CSV file: xf-naca4424-il-1000000.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: NACA 4424                                       
  
 1 1 Reynolds number fixed          Mach number fixed         
  
 xtrf =   1.000 (top)        1.000 (bottom)  
 Mach =   0.000     Re =     1.000 e 6     Ncrit =   9.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -19.750  -1.0115   0.07122   0.06714  -0.1040   0.9941   0.0664
 -19.500  -1.0134   0.06706   0.06290  -0.1073   0.9933   0.0673
 -19.250  -1.0110   0.06346   0.05923  -0.1104   0.9925   0.0681
 -19.000  -1.0070   0.06005   0.05573  -0.1134   0.9920   0.0688
 -18.750  -1.0192   0.05545   0.05106  -0.1155   0.9894   0.0697
 -18.500  -1.0250   0.05132   0.04687  -0.1181   0.9873   0.0706
 -18.250  -1.0262   0.04763   0.04312  -0.1207   0.9855   0.0716
 -18.000  -1.0215   0.04453   0.03995  -0.1233   0.9840   0.0726
 -17.750  -1.0117   0.04193   0.03729  -0.1257   0.9827   0.0738
 -17.500  -0.9980   0.03971   0.03501  -0.1280   0.9817   0.0747
 -17.250  -0.9888   0.03704   0.03227  -0.1306   0.9807   0.0758
 -17.000  -0.9784   0.03448   0.02968  -0.1332   0.9799   0.0772
 -16.750  -0.9625   0.03245   0.02761  -0.1356   0.9792   0.0787
 -16.500  -0.9615   0.03064   0.02576  -0.1344   0.9733   0.0797
 -16.250  -0.9442   0.02919   0.02426  -0.1356   0.9709   0.0808
 -16.000  -0.9277   0.02755   0.02257  -0.1371   0.9691   0.0823
 -15.750  -0.9110   0.02588   0.02088  -0.1387   0.9677   0.0839
 -15.500  -0.8895   0.02455   0.01954  -0.1404   0.9666   0.0855
 -15.250  -0.8647   0.02349   0.01844  -0.1421   0.9657   0.0871
 -15.000  -0.8596   0.02253   0.01743  -0.1398   0.9581   0.0881
 -14.750  -0.8425   0.02125   0.01614  -0.1404   0.9554   0.0899
 -14.500  -0.8209   0.02021   0.01508  -0.1413   0.9534   0.0917
 -14.250  -0.7959   0.01931   0.01416  -0.1424   0.9516   0.0936
 -14.000  -0.7820   0.01863   0.01344  -0.1410   0.9445   0.0952
 -13.750  -0.7591   0.01778   0.01257  -0.1417   0.9403   0.0972
 -13.500  -0.7297   0.01698   0.01177  -0.1434   0.9376   0.0996
 -13.250  -0.6962   0.01636   0.01113  -0.1456   0.9347   0.1019
 -13.000  -0.6737   0.01594   0.01066  -0.1454   0.9272   0.1035
 -12.750  -0.6438   0.01526   0.00997  -0.1470   0.9217   0.1063
 -12.500  -0.6117   0.01478   0.00947  -0.1488   0.9166   0.1092
 -12.250  -0.5896   0.01443   0.00908  -0.1483   0.9086   0.1112
 -12.000  -0.5594   0.01400   0.00861  -0.1496   0.9019   0.1140
 -11.750  -0.5377   0.01363   0.00823  -0.1491   0.8944   0.1166
 -11.500  -0.5152   0.01334   0.00790  -0.1486   0.8859   0.1192
 -11.250  -0.4826   0.01307   0.00757  -0.1500   0.8789   0.1220
 -11.000  -0.4701   0.01275   0.00726  -0.1476   0.8704   0.1251
 -10.750  -0.4459   0.01250   0.00698  -0.1472   0.8621   0.1281
 -10.500  -0.4178   0.01233   0.00675  -0.1476   0.8551   0.1308
 -10.250  -0.4049   0.01204   0.00647  -0.1450   0.8466   0.1344
 -10.000  -0.3798   0.01183   0.00622  -0.1448   0.8383   0.1380
  -9.750  -0.3606   0.01167   0.00603  -0.1432   0.8300   0.1408
  -9.500  -0.3444   0.01146   0.00580  -0.1411   0.8205   0.1446
  -9.250  -0.3245   0.01129   0.00560  -0.1397   0.8116   0.1484
  -9.000  -0.3103   0.01116   0.00545  -0.1370   0.8022   0.1514
  -8.750  -0.2926   0.01103   0.00526  -0.1350   0.7922   0.1550
  -8.500  -0.2828   0.01087   0.00510  -0.1315   0.7829   0.1587
  -8.250  -0.2686   0.01078   0.00496  -0.1287   0.7727   0.1622
  -8.000  -0.2562   0.01070   0.00484  -0.1255   0.7640   0.1652
  -7.750  -0.2482   0.01057   0.00469  -0.1214   0.7541   0.1694
  -7.500  -0.2392   0.01048   0.00458  -0.1175   0.7449   0.1729
  -7.250  -0.2301   0.01043   0.00449  -0.1136   0.7348   0.1761
  -7.000  -0.2218   0.01038   0.00439  -0.1094   0.7256   0.1794
  -6.750  -0.2158   0.01028   0.00429  -0.1049   0.7166   0.1835
  -6.500  -0.2123   0.01026   0.00422  -0.0997   0.7066   0.1870
  -6.250  -0.2011   0.01021   0.00415  -0.0961   0.6987   0.1906
  -6.000  -0.1910   0.01015   0.00406  -0.0923   0.6890   0.1944
  -5.750  -0.1802   0.01007   0.00397  -0.0887   0.6801   0.1994
  -5.500  -0.1665   0.01002   0.00390  -0.0856   0.6713   0.2035
  -5.250  -0.1553   0.01003   0.00385  -0.0820   0.6617   0.2069
  -5.000  -0.1422   0.00993   0.00377  -0.0788   0.6539   0.2126
  -4.750  -0.1311   0.00990   0.00372  -0.0752   0.6445   0.2177
  -4.500  -0.1168   0.00990   0.00368  -0.0723   0.6358   0.2218
  -4.250  -0.1018   0.00984   0.00362  -0.0695   0.6275   0.2275
  -4.000  -0.0898   0.00984   0.00359  -0.0661   0.6182   0.2331
  -3.750  -0.0712   0.00980   0.00356  -0.0640   0.6111   0.2381
  -3.500  -0.0569   0.00980   0.00353  -0.0611   0.6023   0.2437
  -3.250  -0.0437   0.00979   0.00351  -0.0579   0.5944   0.2502
  -3.000  -0.0251   0.00977   0.00350  -0.0559   0.5877   0.2557
  -2.750  -0.0095   0.00978   0.00348  -0.0532   0.5799   0.2619
  -2.500   0.0062   0.00978   0.00348  -0.0506   0.5725   0.2694
  -2.250   0.0260   0.00977   0.00348  -0.0488   0.5662   0.2750
  -2.000   0.0425   0.00978   0.00348  -0.0464   0.5593   0.2822
  -1.750   0.0569   0.00982   0.00351  -0.0436   0.5522   0.2898
  -1.500   0.0777   0.00981   0.00351  -0.0420   0.5472   0.2963
  -1.250   0.0957   0.00980   0.00352  -0.0399   0.5412   0.3052
  -1.000   0.1121   0.00984   0.00355  -0.0375   0.5348   0.3129
  -0.750   0.1317   0.00989   0.00359  -0.0357   0.5294   0.3193
  -0.500   0.1512   0.00986   0.00360  -0.0339   0.5244   0.3300
  -0.250   0.1695   0.00990   0.00365  -0.0319   0.5189   0.3379
   0.000   0.1860   0.00997   0.00371  -0.0295   0.5131   0.3469
   0.250   0.2050   0.00999   0.00376  -0.0277   0.5082   0.3581
   0.500   0.2267   0.01000   0.00380  -0.0264   0.5041   0.3681
   0.750   0.2460   0.01001   0.00385  -0.0246   0.4988   0.3809
   1.000   0.2636   0.01009   0.00393  -0.0226   0.4935   0.3926
   1.250   0.2809   0.01015   0.00403  -0.0205   0.4880   0.4075
   1.500   0.3030   0.01015   0.00409  -0.0193   0.4842   0.4220
   2.000   0.3435   0.01022   0.00426  -0.0164   0.4747   0.4617
   2.250   0.3615   0.01030   0.00440  -0.0145   0.4692   0.4873
   2.750   0.4067   0.01033   0.00462  -0.0126   0.4607   0.5418
   3.000   0.4285   0.01040   0.00476  -0.0116   0.4553   0.5674
   3.250   0.4497   0.01052   0.00494  -0.0105   0.4498   0.5955
   3.500   0.4750   0.01057   0.00508  -0.0102   0.4456   0.6223
   3.750   0.5017   0.01062   0.00522  -0.0101   0.4411   0.6476
   4.000   0.5279   0.01072   0.00540  -0.0101   0.4361   0.6767
   4.250   0.5541   0.01087   0.00562  -0.0102   0.4303   0.7060
   4.500   0.5914   0.01091   0.00581  -0.0125   0.4250   0.7454
   4.750   0.6261   0.01096   0.00599  -0.0142   0.4204   0.7848
   5.000   0.6594   0.01104   0.00623  -0.0157   0.4147   0.8343
   5.250   0.7060   0.01120   0.00654  -0.0201   0.4081   0.8891
   6.000   0.8842   0.01244   0.00783  -0.0408   0.3887   0.9664
   6.250   0.9084   0.01277   0.00816  -0.0403   0.3842   0.9786
   6.500   0.9452   0.01318   0.00853  -0.0426   0.3780   0.9841
   6.750   0.9746   0.01373   0.00903  -0.0437   0.3711   0.9889
   7.000   1.0105   0.01407   0.00938  -0.0457   0.3666   0.9924
   7.250   1.0474   0.01444   0.00972  -0.0482   0.3606   0.9954
   7.500   1.0804   0.01495   0.01016  -0.0501   0.3532   0.9980
   7.750   1.1196   0.01521   0.01044  -0.0529   0.3480   0.9996
   8.000   1.1379   0.01558   0.01078  -0.0518   0.3424   1.0000
   8.250   1.1453   0.01611   0.01127  -0.0487   0.3360   1.0000
   8.500   1.1597   0.01646   0.01163  -0.0468   0.3313   1.0000
   8.750   1.1728   0.01688   0.01203  -0.0447   0.3258   1.0000
   9.000   1.1816   0.01748   0.01260  -0.0420   0.3194   1.0000
   9.250   1.1951   0.01795   0.01307  -0.0401   0.3149   1.0000
   9.500   1.2084   0.01844   0.01355  -0.0382   0.3091   1.0000
   9.750   1.2171   0.01916   0.01423  -0.0358   0.3026   1.0000
  10.000   1.2304   0.01972   0.01479  -0.0340   0.2975   1.0000
  10.250   1.2433   0.02031   0.01538  -0.0322   0.2920   1.0000
  10.500   1.2504   0.02120   0.01624  -0.0298   0.2852   1.0000
  10.750   1.2641   0.02182   0.01686  -0.0283   0.2802   1.0000
  11.000   1.2755   0.02256   0.01759  -0.0266   0.2743   1.0000
  11.250   1.2817   0.02360   0.01860  -0.0243   0.2680   1.0000
  11.500   1.2954   0.02427   0.01929  -0.0229   0.2631   1.0000
  11.750   1.3033   0.02528   0.02028  -0.0210   0.2568   1.0000
  12.000   1.3112   0.02633   0.02132  -0.0192   0.2515   1.0000
  12.250   1.3228   0.02720   0.02219  -0.0178   0.2461   1.0000
  12.500   1.3284   0.02845   0.02343  -0.0159   0.2405   1.0000
  12.750   1.3375   0.02952   0.02451  -0.0145   0.2353   1.0000
  13.000   1.3456   0.03069   0.02568  -0.0130   0.2301   1.0000
  13.250   1.3501   0.03212   0.02709  -0.0113   0.2242   1.0000
  13.500   1.3579   0.03338   0.02837  -0.0100   0.2193   1.0000
  13.750   1.3648   0.03473   0.02971  -0.0086   0.2141   1.0000
  14.000   1.3660   0.03653   0.03150  -0.0070   0.2089   1.0000
  14.250   1.3759   0.03771   0.03272  -0.0060   0.2048   1.0000
  14.500   1.3802   0.03935   0.03436  -0.0048   0.2001   1.0000
  14.750   1.3811   0.04127   0.03627  -0.0034   0.1945   1.0000
  15.000   1.3876   0.04282   0.03785  -0.0025   0.1902   1.0000
  15.250   1.3905   0.04466   0.03969  -0.0014   0.1858   1.0000
  15.500   1.3900   0.04685   0.04189  -0.0003   0.1814   1.0000
  15.750   1.3968   0.04843   0.04350   0.0005   0.1776   1.0000
  16.000   1.3980   0.05053   0.04562   0.0014   0.1738   1.0000
  16.250   1.3963   0.05289   0.04798   0.0023   0.1689   1.0000
  16.500   1.4002   0.05484   0.04996   0.0029   0.1655   1.0000
  16.750   1.4003   0.05712   0.05225   0.0036   0.1611   1.0000
  17.000   1.3963   0.05984   0.05499   0.0043   0.1571   1.0000
  17.250   1.4010   0.06174   0.05692   0.0048   0.1537   1.0000
  17.500   1.3987   0.06436   0.05957   0.0053   0.1501   1.0000
  17.750   1.3946   0.06717   0.06238   0.0058   0.1462   1.0000
  18.000   1.3965   0.06945   0.06471   0.0060   0.1432   1.0000
  18.250   1.3958   0.07198   0.06725   0.0063   0.1395   1.0000
  18.500   1.3883   0.07525   0.07054   0.0066   0.1359   1.0000
  18.750   1.3910   0.07747   0.07280   0.0067   0.1326   1.0000
  19.000   1.3890   0.08025   0.07560   0.0068   0.1296   1.0000
  19.250   1.3825   0.08351   0.07887   0.0068   0.1261   1.0000
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