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USA 40 B AIRFOIL (usa40b-il) Xfoil prediction polar at RE=1,000,000 Ncrit=5


Details Polar file
Airfoil: USA 40 B AIRFOIL (usa40b-il)
Reynolds number: 1,000,000
Max Cl/Cd: 111.99 at α=8.75°
Description: Mach=0 Ncrit=5
Source: Xfoil prediction
Download polar: xf-usa40b-il-1000000-n5.txt
Download as CSV file: xf-usa40b-il-1000000-n5.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: USA 40 B AIRFOIL                                
  
 1 1 Reynolds number fixed          Mach number fixed         
  
 xtrf =   1.000 (top)        1.000 (bottom)  
 Mach =   0.000     Re =     1.000 e 6     Ncrit =   5.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -14.750  -0.8780   0.05705   0.05418  -0.0713   1.0000   0.0218
 -14.500  -0.9192   0.04686   0.04379  -0.0791   1.0000   0.0218
 -14.250  -0.9438   0.03955   0.03630  -0.0852   1.0000   0.0218
 -14.000  -0.9601   0.03475   0.03136  -0.0886   1.0000   0.0219
 -13.750  -0.9867   0.03136   0.02786  -0.0885   1.0000   0.0219
 -13.500  -0.9920   0.02915   0.02553  -0.0880   1.0000   0.0219
 -13.250  -0.9766   0.02740   0.02365  -0.0892   0.9991   0.0220
 -13.000  -0.9519   0.02583   0.02196  -0.0913   0.9973   0.0221
 -12.750  -0.9248   0.02448   0.02050  -0.0933   0.9952   0.0222
 -12.500  -0.8961   0.02331   0.01922  -0.0951   0.9933   0.0223
 -12.250  -0.8712   0.02224   0.01806  -0.0959   0.9907   0.0224
 -12.000  -0.8444   0.02127   0.01700  -0.0968   0.9880   0.0225
 -11.750  -0.8155   0.02039   0.01604  -0.0979   0.9856   0.0226
 -11.500  -0.7849   0.01959   0.01516  -0.0992   0.9835   0.0227
 -11.250  -0.7553   0.01884   0.01434  -0.1002   0.9811   0.0227
 -11.000  -0.7308   0.01801   0.01343  -0.1002   0.9765   0.0228
 -10.750  -0.7027   0.01708   0.01244  -0.1009   0.9731   0.0230
 -10.250  -0.6458   0.01573   0.01100  -0.1019   0.9651   0.0234
 -10.000  -0.6152   0.01516   0.01039  -0.1027   0.9606   0.0235
  -9.750  -0.5805   0.01462   0.00980  -0.1043   0.9574   0.0237
  -9.500  -0.5484   0.01413   0.00928  -0.1052   0.9515   0.0239
  -9.250  -0.5117   0.01364   0.00874  -0.1071   0.9439   0.0241
  -9.000  -0.4730   0.01315   0.00819  -0.1093   0.9296   0.0243
  -8.750  -0.4376   0.01277   0.00769  -0.1108   0.9045   0.0245
  -8.500  -0.4104   0.01251   0.00727  -0.1105   0.8716   0.0247
  -8.250  -0.3866   0.01233   0.00691  -0.1094   0.8251   0.0250
  -8.000  -0.3647   0.01225   0.00658  -0.1080   0.7698   0.0252
  -7.750  -0.3405   0.01208   0.00626  -0.1071   0.7409   0.0254
  -7.500  -0.3150   0.01188   0.00595  -0.1064   0.7233   0.0256
  -7.250  -0.2889   0.01166   0.00565  -0.1059   0.7088   0.0258
  -7.000  -0.2624   0.01144   0.00536  -0.1055   0.6968   0.0260
  -6.750  -0.2359   0.01125   0.00509  -0.1050   0.6848   0.0262
  -6.500  -0.2089   0.01106   0.00484  -0.1046   0.6723   0.0263
  -6.250  -0.1825   0.01079   0.00450  -0.1041   0.6598   0.0266
  -6.000  -0.1559   0.01057   0.00422  -0.1037   0.6453   0.0270
  -5.750  -0.1292   0.01040   0.00398  -0.1032   0.6294   0.0273
  -5.500  -0.1023   0.01025   0.00376  -0.1028   0.6112   0.0276
  -5.250  -0.0756   0.01014   0.00357  -0.1023   0.5912   0.0280
  -5.000  -0.0487   0.01005   0.00339  -0.1018   0.5700   0.0284
  -4.750  -0.0222   0.00999   0.00322  -0.1013   0.5429   0.0288
  -4.500   0.0040   0.00998   0.00308  -0.1007   0.5107   0.0293
  -4.250   0.0301   0.01001   0.00296  -0.1001   0.4749   0.0297
  -4.000   0.0565   0.01004   0.00285  -0.0996   0.4450   0.0301
  -3.750   0.0833   0.01001   0.00273  -0.0992   0.4222   0.0308
  -3.500   0.1102   0.00998   0.00262  -0.0987   0.4028   0.0317
  -3.250   0.1373   0.00997   0.00254  -0.0983   0.3849   0.0327
  -3.000   0.1645   0.00996   0.00246  -0.0979   0.3685   0.0337
  -2.750   0.1918   0.00996   0.00239  -0.0976   0.3539   0.0349
  -2.500   0.2194   0.00992   0.00232  -0.0972   0.3432   0.0369
  -2.000   0.2745   0.00985   0.00221  -0.0966   0.3255   0.0449
  -1.750   0.3018   0.00983   0.00218  -0.0962   0.3164   0.0533
  -1.500   0.3295   0.00980   0.00216  -0.0959   0.3091   0.0622
  -1.250   0.3570   0.00980   0.00214  -0.0956   0.3012   0.0696
  -1.000   0.3846   0.00979   0.00213  -0.0953   0.2950   0.0770
  -0.750   0.4124   0.00977   0.00211  -0.0950   0.2896   0.0852
  -0.500   0.4398   0.00975   0.00210  -0.0947   0.2837   0.0979
  -0.250   0.4670   0.00966   0.00210  -0.0944   0.2782   0.1360
   0.000   0.4944   0.00959   0.00213  -0.0941   0.2735   0.1753
   0.250   0.5218   0.00958   0.00216  -0.0938   0.2679   0.1978
   0.500   0.5490   0.00961   0.00220  -0.0935   0.2616   0.2189
   0.750   0.5765   0.00957   0.00223  -0.0932   0.2578   0.2465
   1.000   0.6037   0.00953   0.00227  -0.0929   0.2535   0.2858
   1.250   0.6305   0.00944   0.00234  -0.0926   0.2490   0.3571
   1.500   0.6573   0.00941   0.00242  -0.0922   0.2446   0.4091
   1.750   0.6846   0.00940   0.00248  -0.0919   0.2419   0.4449
   2.000   0.7116   0.00937   0.00256  -0.0916   0.2385   0.4923
   2.250   0.7381   0.00934   0.00266  -0.0912   0.2347   0.5574
   2.500   0.7646   0.00937   0.00278  -0.0907   0.2307   0.6062
   2.750   0.7913   0.00941   0.00290  -0.0902   0.2275   0.6442
   3.000   0.8181   0.00947   0.00301  -0.0898   0.2249   0.6754
   3.250   0.8449   0.00956   0.00313  -0.0894   0.2219   0.6958
   3.500   0.8716   0.00966   0.00324  -0.0889   0.2191   0.7098
   3.750   0.8982   0.00979   0.00337  -0.0885   0.2161   0.7221
   4.000   0.9247   0.00993   0.00350  -0.0880   0.2130   0.7334
   4.250   0.9514   0.01002   0.00362  -0.0876   0.2116   0.7439
   4.500   0.9782   0.01013   0.00374  -0.0872   0.2099   0.7545
   4.750   1.0045   0.01024   0.00387  -0.0867   0.2079   0.7651
   5.000   1.0306   0.01036   0.00401  -0.0862   0.2058   0.7778
   5.250   1.0564   0.01050   0.00416  -0.0857   0.2027   0.7907
   5.500   1.0817   0.01064   0.00432  -0.0850   0.1997   0.8056
   5.750   1.1068   0.01077   0.00448  -0.0844   0.1975   0.8217
   6.000   1.1319   0.01083   0.00462  -0.0837   0.1962   0.8441
   6.250   1.1585   0.01075   0.00476  -0.0833   0.1943   0.9198
   6.500   1.1942   0.01091   0.00495  -0.0850   0.1920   1.0000
   6.750   1.2199   0.01110   0.00511  -0.0845   0.1898   1.0000
   7.000   1.2453   0.01129   0.00529  -0.0839   0.1880   1.0000
   7.250   1.2704   0.01150   0.00549  -0.0834   0.1861   1.0000
   7.500   1.2952   0.01171   0.00570  -0.0828   0.1840   1.0000
   7.750   1.3202   0.01191   0.00590  -0.0822   0.1828   1.0000
   8.000   1.3453   0.01208   0.00609  -0.0816   0.1817   1.0000
   8.250   1.3702   0.01226   0.00629  -0.0811   0.1802   1.0000
   8.500   1.3947   0.01246   0.00650  -0.0804   0.1787   1.0000
   8.750   1.4189   0.01267   0.00672  -0.0797   0.1771   1.0000
   9.000   1.4426   0.01290   0.00694  -0.0790   0.1752   1.0000
   9.250   1.4659   0.01314   0.00719  -0.0782   0.1733   1.0000
   9.500   1.4888   0.01339   0.00745  -0.0773   0.1716   1.0000
   9.750   1.5110   0.01367   0.00773  -0.0764   0.1697   1.0000
  10.000   1.5339   0.01389   0.00798  -0.0755   0.1688   1.0000
  10.250   1.5565   0.01411   0.00824  -0.0746   0.1679   1.0000
  10.500   1.5785   0.01434   0.00850  -0.0736   0.1667   1.0000
  10.750   1.5992   0.01458   0.00877  -0.0724   0.1651   1.0000
  11.000   1.6186   0.01485   0.00905  -0.0710   0.1624   1.0000
  11.250   1.6369   0.01517   0.00936  -0.0694   0.1595   1.0000
  11.500   1.6540   0.01553   0.00973  -0.0676   0.1562   1.0000
  11.750   1.6733   0.01580   0.01004  -0.0662   0.1545   1.0000
  12.000   1.6916   0.01611   0.01038  -0.0648   0.1517   1.0000
  12.250   1.7090   0.01648   0.01075  -0.0632   0.1485   1.0000
  12.500   1.7239   0.01697   0.01123  -0.0613   0.1434   1.0000
  12.750   1.7404   0.01739   0.01167  -0.0597   0.1385   1.0000
  13.000   1.7530   0.01801   0.01226  -0.0577   0.1318   1.0000
  13.250   1.7650   0.01868   0.01290  -0.0557   0.1233   1.0000
  13.500   1.7715   0.01967   0.01383  -0.0531   0.1112   1.0000
  13.750   1.7720   0.02104   0.01512  -0.0500   0.0970   1.0000
  14.000   1.7749   0.02234   0.01640  -0.0474   0.0895   1.0000
  14.250   1.7801   0.02356   0.01763  -0.0453   0.0851   1.0000
  14.500   1.7858   0.02481   0.01891  -0.0434   0.0818   1.0000
  14.750   1.7929   0.02603   0.02018  -0.0418   0.0791   1.0000
  15.000   1.7975   0.02749   0.02168  -0.0402   0.0765   1.0000
  15.250   1.7998   0.02923   0.02346  -0.0387   0.0738   1.0000
  15.500   1.8061   0.03075   0.02504  -0.0376   0.0723   1.0000
  15.750   1.8102   0.03252   0.02688  -0.0367   0.0698   1.0000
  16.000   1.8099   0.03480   0.02921  -0.0358   0.0670   1.0000
  16.250   1.8088   0.03726   0.03173  -0.0352   0.0650   1.0000
  16.500   1.8101   0.03958   0.03413  -0.0348   0.0628   1.0000
  16.750   1.8056   0.04260   0.03721  -0.0345   0.0598   1.0000
  17.000   1.7966   0.04623   0.04090  -0.0345   0.0566   1.0000
  17.250   1.7852   0.05032   0.04507  -0.0349   0.0527   1.0000
  17.500   1.7649   0.05574   0.05056  -0.0359   0.0483   1.0000
  18.000   1.7167   0.06855   0.06360  -0.0395   0.0425   1.0000
  18.250   1.6854   0.07646   0.07163  -0.0422   0.0405   1.0000
  18.500   1.6560   0.08437   0.07970  -0.0452   0.0396   1.0000
  18.750   1.6267   0.09241   0.08790  -0.0484   0.0392   1.0000
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