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NACA 65(4)-421 (naca654421-il) Xfoil prediction polar at RE=100,000 Ncrit=5


Details Polar file
Airfoil: NACA 65(4)-421 (naca654421-il)
Reynolds number: 100,000
Max Cl/Cd: 19.74 at α=11.75°
Description: Mach=0 Ncrit=5
Source: Xfoil prediction
Download polar: xf-naca654421-il-100000-n5.txt
Download as CSV file: xf-naca654421-il-100000-n5.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: NACA 65(4)-421                                  
  
 1 1 Reynolds number fixed          Mach number fixed         
  
 xtrf =   1.000 (top)        1.000 (bottom)  
 Mach =   0.000     Re =     0.100 e 6     Ncrit =   5.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -16.500  -0.5309   0.10864   0.10283  -0.0789   1.0000   0.0447
 -16.250  -0.6202   0.08996   0.08374  -0.0894   1.0000   0.0437
 -16.000  -0.6580   0.08206   0.07558  -0.0929   1.0000   0.0436
 -15.750  -0.6847   0.07639   0.06968  -0.0947   1.0000   0.0435
 -15.500  -0.7049   0.07189   0.06499  -0.0955   1.0000   0.0435
 -15.250  -0.7206   0.06827   0.06121  -0.0956   1.0000   0.0436
 -15.000  -0.7338   0.06528   0.05807  -0.0951   1.0000   0.0437
 -14.750  -0.7471   0.06284   0.05552  -0.0938   1.0000   0.0440
 -14.500  -0.7486   0.05999   0.05250  -0.0944   0.9893   0.0444
 -14.250  -0.7405   0.05690   0.04916  -0.0969   0.9790   0.0452
 -13.750  -0.7137   0.05141   0.04309  -0.1014   0.9612   0.0466
 -13.500  -0.6934   0.04912   0.04051  -0.1034   0.9533   0.0471
 -13.250  -0.6650   0.04734   0.03860  -0.1053   0.9458   0.0478
 -13.000  -0.6342   0.04594   0.03715  -0.1070   0.9388   0.0486
 -12.750  -0.6063   0.04466   0.03578  -0.1084   0.9306   0.0494
 -12.500  -0.5782   0.04347   0.03449  -0.1098   0.9232   0.0504
 -12.250  -0.5536   0.04242   0.03334  -0.1104   0.9140   0.0516
 -12.000  -0.5291   0.04142   0.03218  -0.1110   0.9060   0.0532
 -11.750  -0.5069   0.04060   0.03128  -0.1110   0.8967   0.0544
 -11.500  -0.4848   0.03978   0.03046  -0.1111   0.8893   0.0558
 -11.250  -0.4672   0.03902   0.02969  -0.1105   0.8804   0.0574
 -11.000  -0.4479   0.03826   0.02885  -0.1102   0.8735   0.0589
 -10.750  -0.4317   0.03755   0.02807  -0.1094   0.8653   0.0605
 -10.500  -0.4167   0.03676   0.02722  -0.1086   0.8578   0.0623
 -10.250  -0.4034   0.03589   0.02633  -0.1078   0.8511   0.0642
 -10.000  -0.3916   0.03506   0.02547  -0.1067   0.8433   0.0670
  -9.750  -0.3782   0.03422   0.02456  -0.1058   0.8371   0.0708
  -9.500  -0.3671   0.03332   0.02367  -0.1048   0.8309   0.0751
  -9.250  -0.3562   0.03248   0.02282  -0.1037   0.8242   0.0810
  -9.000  -0.3457   0.03156   0.02190  -0.1025   0.8185   0.0895
  -8.750  -0.3372   0.03060   0.02102  -0.1010   0.8130   0.1034
  -8.500  -0.3327   0.02957   0.02017  -0.0992   0.8062   0.1268
  -8.250  -0.3314   0.02834   0.01914  -0.0971   0.8004   0.1632
  -8.000  -0.3340   0.02695   0.01797  -0.0945   0.7956   0.2071
  -7.750  -0.3410   0.02572   0.01700  -0.0913   0.7887   0.2502
  -7.500  -0.3502   0.02443   0.01599  -0.0875   0.7830   0.2998
  -7.250  -0.3580   0.02344   0.01537  -0.0831   0.7785   0.3622
  -7.000  -0.3288   0.02455   0.01702  -0.0814   0.7743   0.4491
  -6.750  -0.3247   0.02456   0.01704  -0.0780   0.7683   0.4805
  -6.500  -0.3337   0.02392   0.01630  -0.0735   0.7631   0.5034
  -6.250  -0.3186   0.02424   0.01655  -0.0712   0.7598   0.5306
  -6.000  -0.3173   0.02439   0.01663  -0.0675   0.7548   0.5538
  -5.750  -0.3001   0.02533   0.01753  -0.0651   0.7502   0.5745
  -5.500  -0.2583   0.02694   0.01909  -0.0652   0.7471   0.5860
  -5.250  -0.2356   0.02723   0.01926  -0.0641   0.7439   0.5953
  -5.000  -0.1980   0.02805   0.01996  -0.0644   0.7416   0.6014
  -4.750  -0.1916   0.02774   0.01955  -0.0618   0.7374   0.6120
  -4.500  -0.1637   0.02838   0.02014  -0.0612   0.7331   0.6153
  -4.250  -0.1411   0.02857   0.02026  -0.0603   0.7296   0.6203
  -4.000  -0.1363   0.02778   0.01934  -0.0581   0.7261   0.6298
  -3.750  -0.1061   0.02792   0.01938  -0.0582   0.7239   0.6321
  -3.500  -0.0767   0.02792   0.01928  -0.0584   0.7219   0.6349
  -3.250  -0.0663   0.02802   0.01937  -0.0562   0.7169   0.6395
  -3.000  -0.0647   0.02734   0.01859  -0.0537   0.7120   0.6480
  -2.750  -0.0392   0.02742   0.01862  -0.0533   0.7091   0.6499
  -2.500  -0.0131   0.02741   0.01854  -0.0531   0.7068   0.6522
  -2.250   0.0132   0.02730   0.01835  -0.0532   0.7049   0.6551
  -2.000   0.0390   0.02707   0.01802  -0.0533   0.7032   0.6589
  -1.750   0.0323   0.02702   0.01797  -0.0496   0.6964   0.6657
  -1.500   0.0512   0.02711   0.01803  -0.0485   0.6927   0.6681
  -1.250   0.0758   0.02715   0.01805  -0.0481   0.6900   0.6702
  -1.000   0.1023   0.02711   0.01796  -0.0481   0.6880   0.6727
  -0.750   0.1298   0.02699   0.01777  -0.0485   0.6864   0.6754
  -0.500   0.1583   0.02679   0.01751  -0.0492   0.6850   0.6787
  -0.250   0.1417   0.02756   0.01831  -0.0439   0.6764   0.6847
   0.000   0.1622   0.02767   0.01842  -0.0431   0.6731   0.6872
   0.250   0.1881   0.02770   0.01844  -0.0430   0.6709   0.6892
   0.500   0.2159   0.02768   0.01840  -0.0433   0.6692   0.6914
   0.750   0.2453   0.02763   0.01833  -0.0439   0.6679   0.6940
   1.250   0.2385   0.02929   0.02003  -0.0366   0.6548   0.7027
   1.500   0.2657   0.02928   0.02001  -0.0372   0.6528   0.7058
   1.750   0.2935   0.02934   0.02008  -0.0374   0.6512   0.7078
   2.000   0.3239   0.02935   0.02010  -0.0380   0.6500   0.7101
   3.000   0.3674   0.03192   0.02275  -0.0316   0.6323   0.7249
   3.250   0.3993   0.03177   0.02264  -0.0321   0.6313   0.7272
   4.000   0.4081   0.03582   0.02686  -0.0257   0.6117   0.7375
   4.500   0.4276   0.03799   0.02911  -0.0235   0.5993   0.7455
   4.750   0.4560   0.03794   0.02913  -0.0235   0.5976   0.7486
   5.000   0.4874   0.03773   0.02899  -0.0239   0.5964   0.7521
   5.500   0.4977   0.04048   0.03185  -0.0210   0.5813   0.7609
   5.750   0.5289   0.04030   0.03174  -0.0216   0.5797   0.7645
   6.250   0.5420   0.04268   0.03429  -0.0183   0.5649   0.7725
   6.500   0.5738   0.04239   0.03408  -0.0188   0.5631   0.7774
   6.750   0.6089   0.04194   0.03370  -0.0197   0.5617   0.7826
   7.250   0.6260   0.04391   0.03588  -0.0167   0.5462   0.7912
   7.500   0.6613   0.04323   0.03529  -0.0173   0.5447   0.7963
   8.000   0.6862   0.04470   0.03696  -0.0151   0.5291   0.8066
   8.500   0.7165   0.04578   0.03824  -0.0135   0.5134   0.8194
   8.750   0.7514   0.04452   0.03711  -0.0133   0.5114   0.8249
   9.000   0.7470   0.04650   0.03921  -0.0114   0.4975   0.8316
   9.250   0.7833   0.04521   0.03803  -0.0115   0.4952   0.8386
  10.250   0.8219   0.04812   0.04145  -0.0062   0.4500   0.8715
  10.500   0.8333   0.04839   0.04184  -0.0046   0.4348   0.8815
  10.750   0.8530   0.04788   0.04140  -0.0033   0.4161   0.8934
  11.000   0.8704   0.04762   0.04114  -0.0021   0.3895   0.9073
  11.250   0.9010   0.04599   0.03932  -0.0010   0.3524   0.9249
  11.750   0.9287   0.04704   0.03995  -0.0001   0.2783   1.0000
  12.000   0.9333   0.04912   0.04180   0.0002   0.2451   1.0000
  12.250   0.9351   0.05153   0.04401   0.0004   0.2142   1.0000
  12.500   0.9362   0.05412   0.04642   0.0005   0.1842   1.0000
  12.750   0.9372   0.05680   0.04891   0.0005   0.1558   1.0000
  13.000   0.9379   0.05956   0.05150   0.0005   0.1281   1.0000
  13.250   0.9390   0.06234   0.05411   0.0005   0.1037   1.0000
  13.500   0.9407   0.06511   0.05673   0.0004   0.0857   1.0000
  13.750   0.9443   0.06775   0.05928   0.0002   0.0738   1.0000
  14.000   0.9480   0.07042   0.06190   0.0000   0.0657   1.0000
  14.250   0.9521   0.07308   0.06457  -0.0003   0.0603   1.0000
  14.500   0.9576   0.07563   0.06714  -0.0007   0.0560   1.0000
  14.750   0.9621   0.07834   0.06986  -0.0011   0.0531   1.0000
  15.000   0.9680   0.08087   0.07244  -0.0015   0.0506   1.0000
  15.250   0.9741   0.08341   0.07503  -0.0020   0.0481   1.0000
  15.500   0.9792   0.08606   0.07770  -0.0026   0.0464   1.0000
  15.750   0.9868   0.08839   0.08010  -0.0030   0.0448   1.0000
  16.000   0.9955   0.09058   0.08237  -0.0034   0.0434   1.0000
  16.250   1.0041   0.09279   0.08462  -0.0039   0.0421   1.0000
  16.500   1.0130   0.09492   0.08676  -0.0044   0.0410   1.0000
  16.750   1.0230   0.09684   0.08865  -0.0048   0.0400   1.0000
  17.000   1.0338   0.09878   0.09073  -0.0052   0.0389   1.0000
  17.250   1.0436   0.10088   0.09293  -0.0058   0.0377   1.0000
  17.500   1.0532   0.10298   0.09509  -0.0064   0.0368   1.0000
  17.750   1.0626   0.10507   0.09722  -0.0070   0.0359   1.0000
  18.000   1.0749   0.10669   0.09883  -0.0075   0.0352   1.0000
  18.250   1.0862   0.10857   0.10078  -0.0079   0.0346   1.0000
  18.500   1.0934   0.11113   0.10353  -0.0087   0.0341   1.0000
  18.750   1.0998   0.11384   0.10640  -0.0097   0.0336   1.0000
  19.000   1.1040   0.11689   0.10962  -0.0108   0.0332   1.0000
  19.250   1.1062   0.12029   0.11318  -0.0123   0.0327   1.0000
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