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NACA 65(4)-421 a=0.5 (naca654421a05-il) Xfoil prediction polar at RE=1,000,000 Ncrit=9


Details Polar file
Airfoil: NACA 65(4)-421 a=0.5 (naca654421a05-il)
Reynolds number: 1,000,000
Max Cl/Cd: 128.24 at α=7.25°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-naca654421a05-il-1000000.txt
Download as CSV file: xf-naca654421a05-il-1000000.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: NACA 65(4)-421 a=0.5                            
  
 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
  ------ -------- --------- --------- -------- -------- --------
 -19.500  -0.9374   0.07344   0.06957  -0.0868   0.8632   0.0218
 -19.250  -0.9397   0.07000   0.06601  -0.0884   0.8544   0.0220
 -19.000  -0.9410   0.06681   0.06269  -0.0897   0.8466   0.0221
 -18.750  -0.9420   0.06369   0.05947  -0.0910   0.8396   0.0223
 -18.500  -0.9398   0.06111   0.05679  -0.0921   0.8321   0.0227
 -18.250  -0.9402   0.05823   0.05378  -0.0930   0.8261   0.0228
 -18.000  -0.9384   0.05570   0.05115  -0.0938   0.8195   0.0231
 -17.750  -0.9357   0.05338   0.04870  -0.0944   0.8129   0.0233
 -17.500  -0.9330   0.05111   0.04633  -0.0950   0.8072   0.0235
 -17.250  -0.9298   0.04892   0.04402  -0.0953   0.8013   0.0236
 -17.000  -0.9257   0.04697   0.04195  -0.0956   0.7951   0.0238
 -16.750  -0.9225   0.04484   0.03969  -0.0956   0.7898   0.0241
 -16.500  -0.9134   0.04322   0.03802  -0.0954   0.7845   0.0244
 -16.250  -0.9048   0.04173   0.03648  -0.0953   0.7790   0.0246
 -16.000  -0.8956   0.04033   0.03501  -0.0951   0.7731   0.0249
 -15.750  -0.8862   0.03893   0.03358  -0.0951   0.7689   0.0251
 -15.500  -0.8766   0.03761   0.03220  -0.0949   0.7640   0.0253
 -15.250  -0.8666   0.03634   0.03085  -0.0946   0.7590   0.0255
 -15.000  -0.8568   0.03514   0.02957  -0.0943   0.7539   0.0258
 -14.750  -0.8458   0.03396   0.02834  -0.0939   0.7501   0.0261
 -14.500  -0.8341   0.03288   0.02719  -0.0935   0.7456   0.0263
 -14.250  -0.8226   0.03185   0.02610  -0.0930   0.7411   0.0267
 -14.000  -0.8103   0.03087   0.02502  -0.0925   0.7362   0.0269
 -13.750  -0.7969   0.02991   0.02401  -0.0920   0.7326   0.0271
 -13.500  -0.7834   0.02899   0.02303  -0.0914   0.7286   0.0273
 -13.250  -0.7695   0.02813   0.02211  -0.0908   0.7244   0.0275
 -13.000  -0.7557   0.02733   0.02123  -0.0902   0.7202   0.0277
 -12.750  -0.7416   0.02637   0.02019  -0.0894   0.7162   0.0281
 -12.500  -0.7280   0.02540   0.01922  -0.0885   0.7133   0.0284
 -12.250  -0.7145   0.02451   0.01831  -0.0877   0.7099   0.0286
 -12.000  -0.7009   0.02370   0.01748  -0.0868   0.7064   0.0289
 -11.750  -0.6872   0.02293   0.01666  -0.0859   0.7028   0.0292
 -11.500  -0.6726   0.02226   0.01594  -0.0851   0.6987   0.0296
 -11.250  -0.6578   0.02154   0.01520  -0.0843   0.6962   0.0299
 -11.000  -0.6432   0.02082   0.01446  -0.0833   0.6933   0.0301
 -10.750  -0.6285   0.02015   0.01375  -0.0823   0.6901   0.0304
 -10.500  -0.6136   0.01951   0.01307  -0.0813   0.6870   0.0308
 -10.250  -0.5986   0.01891   0.01242  -0.0803   0.6837   0.0311
 -10.000  -0.5841   0.01833   0.01177  -0.0791   0.6801   0.0313
  -9.750  -0.5692   0.01772   0.01114  -0.0779   0.6782   0.0315
  -9.500  -0.5542   0.01714   0.01054  -0.0767   0.6758   0.0318
  -9.250  -0.5384   0.01663   0.00999  -0.0756   0.6734   0.0319
  -9.000  -0.5226   0.01614   0.00947  -0.0743   0.6708   0.0321
  -8.750  -0.5144   0.01538   0.00866  -0.0720   0.6682   0.0325
  -8.500  -0.5038   0.01479   0.00802  -0.0699   0.6655   0.0330
  -8.250  -0.4915   0.01433   0.00752  -0.0679   0.6623   0.0334
  -8.000  -0.4779   0.01394   0.00712  -0.0658   0.6607   0.0338
  -7.750  -0.4641   0.01365   0.00681  -0.0637   0.6586   0.0344
  -7.500  -0.4465   0.01337   0.00652  -0.0622   0.6565   0.0349
  -7.250  -0.4264   0.01309   0.00622  -0.0612   0.6544   0.0355
  -7.000  -0.4052   0.01284   0.00594  -0.0604   0.6523   0.0362
  -6.750  -0.3829   0.01262   0.00568  -0.0597   0.6502   0.0368
  -6.500  -0.3621   0.01232   0.00535  -0.0588   0.6480   0.0380
  -6.250  -0.3400   0.01210   0.00510  -0.0581   0.6453   0.0395
  -6.000  -0.3161   0.01188   0.00488  -0.0577   0.6438   0.0411
  -5.750  -0.2919   0.01165   0.00465  -0.0573   0.6424   0.0433
  -5.500  -0.2680   0.01139   0.00441  -0.0569   0.6406   0.0471
  -5.250  -0.2446   0.01109   0.00418  -0.0564   0.6388   0.0570
  -5.000  -0.2267   0.01046   0.00381  -0.0551   0.6369   0.1110
  -4.750  -0.2084   0.00981   0.00347  -0.0540   0.6351   0.1822
  -4.250  -0.1724   0.00832   0.00275  -0.0517   0.6316   0.3732
  -4.000  -0.1518   0.00775   0.00254  -0.0509   0.6295   0.4715
  -3.750  -0.1247   0.00767   0.00253  -0.0510   0.6271   0.5034
  -3.500  -0.0963   0.00759   0.00250  -0.0513   0.6262   0.5236
  -3.250  -0.0675   0.00754   0.00248  -0.0517   0.6250   0.5383
  -3.000  -0.0381   0.00753   0.00246  -0.0521   0.6235   0.5499
  -2.750  -0.0094   0.00749   0.00246  -0.0525   0.6219   0.5620
  -2.500   0.0201   0.00749   0.00245  -0.0529   0.6202   0.5709
  -2.250   0.0491   0.00748   0.00246  -0.0533   0.6187   0.5803
  -2.000   0.0783   0.00751   0.00248  -0.0538   0.6172   0.5912
  -1.750   0.1074   0.00754   0.00252  -0.0541   0.6157   0.6006
  -1.250   0.1661   0.00760   0.00254  -0.0551   0.6123   0.6111
  -1.000   0.1955   0.00767   0.00258  -0.0556   0.6101   0.6142
  -0.750   0.2250   0.00767   0.00259  -0.0562   0.6090   0.6170
  -0.500   0.2546   0.00767   0.00259  -0.0567   0.6078   0.6198
  -0.250   0.2842   0.00768   0.00260  -0.0573   0.6065   0.6226
   0.000   0.3139   0.00771   0.00262  -0.0578   0.6051   0.6250
   0.250   0.3431   0.00769   0.00262  -0.0584   0.6037   0.6289
   0.500   0.3724   0.00769   0.00264  -0.0589   0.6023   0.6323
   0.750   0.4018   0.00770   0.00266  -0.0594   0.6008   0.6355
   1.000   0.4312   0.00772   0.00268  -0.0599   0.5993   0.6387
   1.250   0.4606   0.00776   0.00271  -0.0605   0.5977   0.6417
   1.500   0.4901   0.00782   0.00275  -0.0610   0.5961   0.6444
   1.750   0.5192   0.00786   0.00281  -0.0615   0.5943   0.6489
   2.000   0.5484   0.00796   0.00292  -0.0621   0.5924   0.6528
   2.250   0.5774   0.00797   0.00297  -0.0626   0.5915   0.6567
   2.500   0.6064   0.00799   0.00302  -0.0631   0.5902   0.6603
   2.750   0.6355   0.00803   0.00307  -0.0636   0.5888   0.6634
   3.000   0.6643   0.00804   0.00314  -0.0640   0.5873   0.6680
   3.250   0.6930   0.00806   0.00320  -0.0645   0.5857   0.6723
   3.500   0.7219   0.00809   0.00326  -0.0650   0.5841   0.6767
   3.750   0.7508   0.00814   0.00332  -0.0655   0.5824   0.6808
   4.000   0.7795   0.00818   0.00338  -0.0659   0.5807   0.6853
   4.250   0.8080   0.00822   0.00346  -0.0663   0.5786   0.6905
   4.500   0.8371   0.00837   0.00360  -0.0669   0.5757   0.6956
   4.750   0.8646   0.00836   0.00366  -0.0671   0.5740   0.7004
   5.000   0.8918   0.00835   0.00371  -0.0673   0.5712   0.7053
   5.250   0.9189   0.00833   0.00375  -0.0674   0.5678   0.7109
   5.500   0.9460   0.00833   0.00378  -0.0675   0.5643   0.7165
   5.750   0.9732   0.00842   0.00384  -0.0677   0.5590   0.7216
   6.000   0.9976   0.00837   0.00388  -0.0674   0.5539   0.7276
   6.250   1.0222   0.00837   0.00393  -0.0670   0.5477   0.7339
   6.500   1.0466   0.00846   0.00402  -0.0667   0.5420   0.7402
   6.750   1.0700   0.00848   0.00411  -0.0661   0.5339   0.7467
   7.000   1.0906   0.00859   0.00423  -0.0651   0.5257   0.7539
   7.250   1.1131   0.00868   0.00437  -0.0644   0.5175   0.7608
   7.500   1.1302   0.00883   0.00454  -0.0628   0.5077   0.7680
   7.750   1.1377   0.00904   0.00476  -0.0592   0.4953   0.7764
   8.000   1.1414   0.00945   0.00515  -0.0552   0.4787   0.7848
   8.250   1.1416   0.01005   0.00573  -0.0509   0.4573   0.7949
   8.500   1.1329   0.01103   0.00663  -0.0455   0.4310   0.8056
   8.750   1.1247   0.01217   0.00770  -0.0405   0.4044   0.8180
   9.000   1.1102   0.01368   0.00913  -0.0350   0.3756   0.8318
   9.250   1.0899   0.01561   0.01096  -0.0290   0.3425   0.8477
   9.500   1.0758   0.01740   0.01270  -0.0242   0.3162   0.8658
   9.750   1.0636   0.01918   0.01444  -0.0198   0.2897   0.8883
  10.000   1.0519   0.02106   0.01632  -0.0158   0.2637   0.9230
  10.250   1.0662   0.02391   0.01906  -0.0190   0.2216   0.9640
  10.500   1.0669   0.02628   0.02128  -0.0183   0.1906   1.0000
  10.750   1.0646   0.02830   0.02317  -0.0163   0.1686   1.0000
  11.000   1.0608   0.03047   0.02520  -0.0144   0.1439   1.0000
  11.250   1.0595   0.03250   0.02710  -0.0126   0.1201   1.0000
  11.500   1.0577   0.03464   0.02911  -0.0110   0.0980   1.0000
  11.750   1.0561   0.03681   0.03114  -0.0095   0.0754   1.0000
  12.000   1.0531   0.03913   0.03331  -0.0079   0.0536   1.0000
  12.250   1.0528   0.04129   0.03535  -0.0066   0.0370   1.0000
  12.500   1.0595   0.04300   0.03703  -0.0058   0.0313   1.0000
  12.750   1.0676   0.04458   0.03860  -0.0052   0.0277   1.0000
  13.000   1.0775   0.04603   0.04005  -0.0047   0.0257   1.0000
  13.250   1.0851   0.04772   0.04176  -0.0041   0.0242   1.0000
  13.500   1.0968   0.04908   0.04314  -0.0037   0.0233   1.0000
  13.750   1.1060   0.05065   0.04473  -0.0033   0.0219   1.0000
  14.000   1.1132   0.05245   0.04655  -0.0028   0.0211   1.0000
  14.250   1.1219   0.05411   0.04824  -0.0024   0.0205   1.0000
  14.500   1.1326   0.05561   0.04977  -0.0022   0.0198   1.0000
  14.750   1.1416   0.05730   0.05150  -0.0019   0.0195   1.0000
  15.000   1.1499   0.05907   0.05330  -0.0017   0.0188   1.0000
  15.250   1.1575   0.06092   0.05517  -0.0014   0.0183   1.0000
  15.500   1.1635   0.06296   0.05725  -0.0012   0.0181   1.0000
  15.750   1.1666   0.06531   0.05965  -0.0009   0.0175   1.0000
  16.000   1.1755   0.06711   0.06149  -0.0008   0.0174   1.0000
  16.250   1.1825   0.06915   0.06358  -0.0008   0.0171   1.0000
  16.500   1.1901   0.07113   0.06561  -0.0008   0.0168   1.0000
  16.750   1.1974   0.07317   0.06769  -0.0008   0.0166   1.0000
  17.000   1.2023   0.07549   0.07007  -0.0009   0.0164   1.0000
  17.250   1.2084   0.07769   0.07230  -0.0011   0.0160   1.0000
  17.500   1.2130   0.08009   0.07475  -0.0012   0.0158   1.0000
  17.750   1.2167   0.08266   0.07737  -0.0015   0.0157   1.0000
  18.000   1.2208   0.08517   0.07992  -0.0018   0.0154   1.0000
  18.250   1.2197   0.08839   0.08319  -0.0022   0.0151   1.0000
  18.500   1.2179   0.09167   0.08653  -0.0026   0.0149   1.0000
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