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NACA 65(4)-421 (naca654421-il) Xfoil prediction polar at RE=200,000 Ncrit=5


Details Polar file
Airfoil: NACA 65(4)-421 (naca654421-il)
Reynolds number: 200,000
Max Cl/Cd: 56.95 at α=7.75°
Description: Mach=0 Ncrit=5
Source: Xfoil prediction
Download polar: xf-naca654421-il-200000-n5.txt
Download as CSV file: xf-naca654421-il-200000-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 =     0.200 e 6     Ncrit =   5.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -18.500  -0.6200   0.11792   0.11347  -0.0704   1.0000   0.0299
 -18.250  -0.6900   0.10066   0.09582  -0.0805   1.0000   0.0297
 -18.000  -0.7221   0.09190   0.08681  -0.0852   1.0000   0.0297
 -17.750  -0.7453   0.08518   0.07987  -0.0885   1.0000   0.0298
 -17.500  -0.7629   0.07963   0.07412  -0.0909   1.0000   0.0299
 -17.250  -0.7778   0.07481   0.06910  -0.0927   1.0000   0.0301
 -17.000  -0.7900   0.07053   0.06462  -0.0940   1.0000   0.0302
 -16.750  -0.7992   0.06682   0.06073  -0.0949   1.0000   0.0304
 -16.500  -0.8070   0.06345   0.05717  -0.0954   1.0000   0.0306
 -16.250  -0.8133   0.06042   0.05396  -0.0957   1.0000   0.0309
 -16.000  -0.8199   0.05756   0.05088  -0.0957   1.0000   0.0311
 -15.750  -0.8190   0.05541   0.04862  -0.0955   1.0000   0.0314
 -15.500  -0.8105   0.05388   0.04708  -0.0950   1.0000   0.0317
 -15.250  -0.7881   0.05175   0.04489  -0.0975   0.9751   0.0320
 -15.000  -0.7659   0.04982   0.04286  -0.1003   0.9605   0.0324
 -14.750  -0.7424   0.04794   0.04085  -0.1030   0.9485   0.0329
 -14.500  -0.7183   0.04621   0.03898  -0.1055   0.9374   0.0332
 -14.250  -0.6946   0.04462   0.03725  -0.1077   0.9261   0.0337
 -14.000  -0.6730   0.04325   0.03574  -0.1091   0.9138   0.0342
 -13.750  -0.6536   0.04197   0.03432  -0.1100   0.9022   0.0348
 -13.500  -0.6341   0.04083   0.03303  -0.1106   0.8913   0.0353
 -13.250  -0.6164   0.03979   0.03185  -0.1107   0.8806   0.0358
 -13.000  -0.5967   0.03888   0.03085  -0.1108   0.8716   0.0363
 -12.750  -0.5792   0.03804   0.03000  -0.1105   0.8625   0.0367
 -12.500  -0.5627   0.03717   0.02908  -0.1101   0.8545   0.0371
 -12.250  -0.5479   0.03629   0.02817  -0.1096   0.8463   0.0377
 -12.000  -0.5333   0.03542   0.02723  -0.1090   0.8384   0.0382
 -11.750  -0.5191   0.03456   0.02630  -0.1084   0.8311   0.0387
 -11.500  -0.5059   0.03369   0.02537  -0.1076   0.8234   0.0393
 -11.250  -0.4931   0.03281   0.02441  -0.1068   0.8168   0.0401
 -11.000  -0.4804   0.03195   0.02348  -0.1060   0.8101   0.0407
 -10.750  -0.4676   0.03111   0.02256  -0.1051   0.8037   0.0414
 -10.500  -0.4579   0.03012   0.02153  -0.1040   0.7980   0.0421
 -10.250  -0.4472   0.02920   0.02058  -0.1030   0.7921   0.0429
 -10.000  -0.4362   0.02831   0.01965  -0.1020   0.7858   0.0442
  -9.750  -0.4245   0.02748   0.01875  -0.1009   0.7803   0.0456
  -9.500  -0.4128   0.02668   0.01786  -0.0998   0.7751   0.0470
  -9.250  -0.4026   0.02580   0.01697  -0.0986   0.7693   0.0484
  -9.000  -0.3918   0.02497   0.01611  -0.0974   0.7642   0.0503
  -8.750  -0.3800   0.02422   0.01527  -0.0961   0.7599   0.0526
  -8.500  -0.3687   0.02346   0.01450  -0.0948   0.7552   0.0555
  -8.250  -0.3579   0.02270   0.01373  -0.0935   0.7501   0.0600
  -8.000  -0.3480   0.02191   0.01296  -0.0919   0.7455   0.0668
  -7.750  -0.3391   0.02110   0.01215  -0.0902   0.7414   0.0790
  -7.500  -0.3337   0.02018   0.01134  -0.0880   0.7369   0.0995
  -7.250  -0.3314   0.01920   0.01052  -0.0855   0.7320   0.1300
  -7.000  -0.3319   0.01820   0.00969  -0.0823   0.7276   0.1649
  -6.750  -0.3369   0.01738   0.00899  -0.0782   0.7239   0.1994
  -6.250  -0.3407   0.01571   0.00778  -0.0706   0.7162   0.3011
  -6.000  -0.3390   0.01478   0.00725  -0.0672   0.7121   0.3803
  -5.750  -0.3259   0.01434   0.00722  -0.0652   0.7086   0.4633
  -5.500  -0.3023   0.01430   0.00720  -0.0646   0.7056   0.5030
  -5.250  -0.2769   0.01439   0.00727  -0.0642   0.7028   0.5312
  -5.000  -0.2527   0.01452   0.00738  -0.0637   0.6994   0.5542
  -4.750  -0.2269   0.01474   0.00758  -0.0634   0.6961   0.5710
  -4.500  -0.1996   0.01505   0.00790  -0.0631   0.6931   0.5839
  -4.250  -0.1725   0.01531   0.00811  -0.0629   0.6904   0.5959
  -4.000  -0.1445   0.01554   0.00828  -0.0628   0.6879   0.6043
  -3.750  -0.1177   0.01544   0.00801  -0.0631   0.6855   0.6102
  -3.500  -0.0901   0.01547   0.00803  -0.0631   0.6826   0.6126
  -3.250  -0.0630   0.01549   0.00804  -0.0632   0.6794   0.6151
  -3.000  -0.0358   0.01548   0.00798  -0.0633   0.6764   0.6177
  -2.750  -0.0084   0.01544   0.00788  -0.0635   0.6738   0.6205
  -2.500   0.0193   0.01537   0.00774  -0.0638   0.6715   0.6236
  -2.250   0.0473   0.01528   0.00754  -0.0643   0.6694   0.6265
  -2.000   0.0760   0.01522   0.00737  -0.0649   0.6674   0.6292
  -1.750   0.1031   0.01524   0.00740  -0.0649   0.6649   0.6311
  -1.500   0.1296   0.01527   0.00744  -0.0650   0.6620   0.6330
  -1.250   0.1566   0.01528   0.00745  -0.0651   0.6591   0.6350
  -1.000   0.1841   0.01528   0.00742  -0.0653   0.6565   0.6373
  -0.750   0.2120   0.01528   0.00739  -0.0656   0.6543   0.6399
  -0.500   0.2404   0.01527   0.00733  -0.0661   0.6523   0.6428
  -0.250   0.2694   0.01526   0.00725  -0.0667   0.6505   0.6456
   0.000   0.2987   0.01526   0.00719  -0.0673   0.6488   0.6479
   0.250   0.3238   0.01534   0.00733  -0.0671   0.6461   0.6496
   0.500   0.3496   0.01541   0.00745  -0.0671   0.6432   0.6515
   0.750   0.3761   0.01548   0.00755  -0.0671   0.6406   0.6538
   1.000   0.4034   0.01554   0.00763  -0.0673   0.6383   0.6564
   1.250   0.4313   0.01560   0.00768  -0.0677   0.6363   0.6591
   1.500   0.4599   0.01564   0.00771  -0.0681   0.6344   0.6618
   1.750   0.4893   0.01568   0.00771  -0.0688   0.6327   0.6646
   2.000   0.5184   0.01574   0.00776  -0.0694   0.6308   0.6669
   2.250   0.5412   0.01589   0.00802  -0.0688   0.6278   0.6689
   2.500   0.5657   0.01604   0.00825  -0.0686   0.6252   0.6711
   2.750   0.5912   0.01618   0.00845  -0.0685   0.6228   0.6738
   3.000   0.6177   0.01629   0.00861  -0.0686   0.6204   0.6767
   3.250   0.6455   0.01638   0.00872  -0.0689   0.6182   0.6798
   3.500   0.6745   0.01644   0.00879  -0.0694   0.6162   0.6828
   3.750   0.7043   0.01653   0.00887  -0.0702   0.6145   0.6857
   4.000   0.7298   0.01668   0.00912  -0.0701   0.6123   0.6879
   4.250   0.7493   0.01694   0.00951  -0.0690   0.6089   0.6904
   4.500   0.7717   0.01714   0.00980  -0.0684   0.6058   0.6932
   4.750   0.7968   0.01728   0.01001  -0.0682   0.6028   0.6964
   5.000   0.8247   0.01734   0.01011  -0.0685   0.6000   0.7000
   5.250   0.8554   0.01736   0.01014  -0.0693   0.5975   0.7037
   5.500   0.8800   0.01749   0.01037  -0.0690   0.5944   0.7067
   5.750   0.8940   0.01778   0.01081  -0.0670   0.5894   0.7095
   6.000   0.9165   0.01785   0.01097  -0.0663   0.5848   0.7127
   6.250   0.9474   0.01769   0.01083  -0.0669   0.5803   0.7161
   6.500   0.9617   0.01784   0.01109  -0.0648   0.5736   0.7201
   6.750   0.9803   0.01784   0.01113  -0.0634   0.5661   0.7244
   7.000   1.0016   0.01775   0.01111  -0.0623   0.5591   0.7276
   7.250   1.0043   0.01795   0.01144  -0.0581   0.5506   0.7318
   7.500   1.0180   0.01797   0.01151  -0.0557   0.5410   0.7363
   7.750   1.0291   0.01807   0.01162  -0.0531   0.5284   0.7412
   8.000   1.0295   0.01860   0.01223  -0.0491   0.5144   0.7456
   8.250   1.0328   0.01912   0.01281  -0.0457   0.4979   0.7499
   8.500   1.0388   0.01968   0.01338  -0.0429   0.4795   0.7548
   8.750   1.0412   0.02048   0.01413  -0.0398   0.4517   0.7604
   9.000   1.0401   0.02146   0.01495  -0.0363   0.4149   0.7656
   9.250   1.0307   0.02299   0.01627  -0.0321   0.3756   0.7711
   9.500   1.0192   0.02489   0.01798  -0.0282   0.3401   0.7773
   9.750   1.0084   0.02697   0.01989  -0.0248   0.3071   0.7834
  10.000   0.9994   0.02904   0.02185  -0.0218   0.2784   0.7889
  10.250   0.9907   0.03128   0.02397  -0.0191   0.2483   0.7951
  10.500   0.9860   0.03345   0.02602  -0.0170   0.2209   0.8016
  10.750   0.9818   0.03560   0.02809  -0.0150   0.1961   0.8074
  11.000   0.9791   0.03779   0.03018  -0.0133   0.1702   0.8145
  11.250   0.9781   0.03995   0.03224  -0.0119   0.1461   0.8216
  11.500   0.9766   0.04215   0.03435  -0.0105   0.1218   0.8291
  12.000   0.9779   0.04649   0.03849  -0.0083   0.0794   0.8452
  12.250   0.9805   0.04860   0.04053  -0.0074   0.0636   0.8541
  12.750   0.9887   0.05255   0.04447  -0.0058   0.0465   0.8738
  13.000   0.9943   0.05439   0.04637  -0.0051   0.0425   0.8863
  13.250   0.9993   0.05632   0.04835  -0.0044   0.0399   0.9020
  13.500   1.0063   0.05815   0.05029  -0.0040   0.0377   0.9240
  13.750   1.0129   0.06002   0.05227  -0.0042   0.0360   0.9820
  14.250   1.0266   0.06447   0.05681  -0.0045   0.0331   1.0000
  14.500   1.0335   0.06679   0.05918  -0.0048   0.0317   1.0000
  14.750   1.0393   0.06925   0.06168  -0.0051   0.0310   1.0000
  15.000   1.0437   0.07188   0.06434  -0.0055   0.0301   1.0000
  15.250   1.0505   0.07428   0.06682  -0.0058   0.0293   1.0000
  15.500   1.0568   0.07676   0.06938  -0.0063   0.0286   1.0000
  15.750   1.0628   0.07928   0.07195  -0.0067   0.0280   1.0000
  16.000   1.0683   0.08189   0.07462  -0.0073   0.0274   1.0000
  16.250   1.0738   0.08451   0.07728  -0.0078   0.0269   1.0000
  16.500   1.0789   0.08716   0.07997  -0.0084   0.0265   1.0000
  16.750   1.0839   0.08981   0.08263  -0.0090   0.0260   1.0000
  17.000   1.0915   0.09222   0.08513  -0.0096   0.0256   1.0000
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