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NN7 MK20 (nn7mk20-il) Xfoil prediction polar at RE=200,000 Ncrit=5


Details Polar file
Airfoil: NN7 MK20 (nn7mk20-il)
Reynolds number: 200,000
Max Cl/Cd: 69.89 at α=7.25°
Description: Mach=0 Ncrit=5
Source: Xfoil prediction
Download polar: xf-nn7mk20-il-200000-n5.txt
Download as CSV file: xf-nn7mk20-il-200000-n5.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: NN7 MK20                                        
  
 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
  ------ -------- --------- --------- -------- -------- --------
 -13.000  -0.4607   0.08417   0.08050  -0.0724   1.0000   0.0133
 -12.750  -0.4992   0.07302   0.06920  -0.0793   1.0000   0.0130
 -12.500  -0.5309   0.06547   0.06151  -0.0834   1.0000   0.0128
 -12.250  -0.5551   0.05946   0.05534  -0.0862   0.9934   0.0128
 -12.000  -0.5683   0.05270   0.04826  -0.0924   0.9729   0.0128
 -11.500  -0.5666   0.04215   0.03689  -0.1038   0.9390   0.0135
 -11.250  -0.5533   0.03843   0.03275  -0.1080   0.9243   0.0137
 -11.000  -0.5397   0.03540   0.02927  -0.1108   0.9084   0.0143
 -10.750  -0.5229   0.03357   0.02729  -0.1123   0.8938   0.0147
 -10.500  -0.5082   0.03215   0.02574  -0.1129   0.8801   0.0152
 -10.250  -0.4958   0.03077   0.02418  -0.1126   0.8673   0.0155
 -10.000  -0.4832   0.02942   0.02263  -0.1118   0.8563   0.0159
  -9.750  -0.4691   0.02814   0.02116  -0.1109   0.8470   0.0165
  -9.500  -0.4543   0.02697   0.01981  -0.1098   0.8381   0.0170
  -9.250  -0.4387   0.02588   0.01853  -0.1086   0.8304   0.0177
  -9.000  -0.4229   0.02496   0.01742  -0.1074   0.8231   0.0184
  -8.750  -0.4087   0.02397   0.01639  -0.1062   0.8166   0.0192
  -8.500  -0.3930   0.02320   0.01556  -0.1052   0.8098   0.0200
  -8.250  -0.3759   0.02247   0.01472  -0.1043   0.8043   0.0212
  -8.000  -0.3586   0.02182   0.01398  -0.1033   0.7977   0.0229
  -7.750  -0.3418   0.02106   0.01313  -0.1023   0.7922   0.0247
  -7.500  -0.3231   0.02046   0.01249  -0.1017   0.7875   0.0269
  -7.250  -0.3044   0.01986   0.01181  -0.1009   0.7819   0.0291
  -7.000  -0.2856   0.01919   0.01106  -0.1001   0.7769   0.0316
  -6.750  -0.2654   0.01861   0.01043  -0.0996   0.7725   0.0349
  -6.500  -0.2438   0.01818   0.00992  -0.0992   0.7672   0.0387
  -6.250  -0.2235   0.01752   0.00924  -0.0987   0.7628   0.0430
  -6.000  -0.2003   0.01707   0.00867  -0.0985   0.7590   0.0480
  -5.750  -0.1784   0.01653   0.00815  -0.0981   0.7541   0.0553
  -5.500  -0.1552   0.01604   0.00767  -0.0979   0.7495   0.0668
  -5.250  -0.1318   0.01550   0.00719  -0.0978   0.7457   0.0940
  -5.000  -0.1089   0.01485   0.00668  -0.0978   0.7421   0.1378
  -4.750  -0.0888   0.01384   0.00616  -0.0977   0.7374   0.2449
  -4.500  -0.0676   0.01292   0.00572  -0.0976   0.7331   0.3637
  -4.250  -0.0445   0.01250   0.00574  -0.0971   0.7297   0.4675
  -4.000  -0.0183   0.01268   0.00607  -0.0965   0.7260   0.5300
  -3.750   0.0089   0.01293   0.00629  -0.0962   0.7216   0.5665
  -3.500   0.0366   0.01322   0.00653  -0.0959   0.7177   0.5843
  -3.250   0.0651   0.01333   0.00649  -0.0960   0.7144   0.5952
  -3.000   0.0926   0.01353   0.00664  -0.0957   0.7105   0.6013
  -2.750   0.1201   0.01365   0.00666  -0.0957   0.7060   0.6114
  -2.500   0.1475   0.01392   0.00691  -0.0953   0.7021   0.6173
  -2.250   0.1761   0.01398   0.00683  -0.0955   0.6988   0.6251
  -2.000   0.2032   0.01409   0.00691  -0.0953   0.6947   0.6286
  -1.750   0.2304   0.01416   0.00694  -0.0952   0.6904   0.6316
  -1.500   0.2584   0.01417   0.00688  -0.0953   0.6866   0.6347
  -1.250   0.2872   0.01414   0.00673  -0.0957   0.6835   0.6386
  -1.000   0.3145   0.01413   0.00666  -0.0958   0.6791   0.6421
  -0.750   0.3416   0.01418   0.00670  -0.0958   0.6749   0.6440
  -0.500   0.3694   0.01422   0.00670  -0.0958   0.6712   0.6463
  -0.250   0.3980   0.01425   0.00666  -0.0960   0.6680   0.6490
   0.000   0.4246   0.01429   0.00669  -0.0960   0.6633   0.6526
   0.250   0.4525   0.01429   0.00663  -0.0963   0.6590   0.6569
   0.500   0.4800   0.01434   0.00667  -0.0962   0.6554   0.6588
   0.750   0.5077   0.01440   0.00671  -0.0963   0.6518   0.6608
   1.000   0.5340   0.01445   0.00679  -0.0962   0.6471   0.6630
   1.250   0.5615   0.01448   0.00680  -0.0963   0.6430   0.6653
   1.500   0.5899   0.01449   0.00677  -0.0966   0.6394   0.6679
   1.750   0.6172   0.01452   0.00678  -0.0968   0.6350   0.6709
   2.000   0.6439   0.01456   0.00684  -0.0968   0.6303   0.6727
   2.250   0.6711   0.01460   0.00689  -0.0968   0.6263   0.6741
   2.500   0.6989   0.01465   0.00694  -0.0969   0.6225   0.6758
   2.750   0.7242   0.01474   0.00709  -0.0966   0.6172   0.6778
   3.000   0.7510   0.01479   0.00717  -0.0966   0.6126   0.6798
   3.250   0.7792   0.01483   0.00719  -0.0968   0.6087   0.6818
   3.500   0.8046   0.01491   0.00733  -0.0966   0.6032   0.6841
   3.750   0.8313   0.01498   0.00741  -0.0967   0.5981   0.6868
   4.000   0.8588   0.01503   0.00747  -0.0967   0.5938   0.6884
   4.250   0.8830   0.01515   0.00769  -0.0963   0.5879   0.6900
   4.500   0.9087   0.01523   0.00782  -0.0960   0.5825   0.6917
   4.750   0.9351   0.01530   0.00792  -0.0959   0.5770   0.6936
   5.000   0.9585   0.01537   0.00806  -0.0952   0.5681   0.6956
   5.250   0.9827   0.01543   0.00814  -0.0947   0.5591   0.6978
   5.500   1.0072   0.01551   0.00824  -0.0943   0.5508   0.7004
   5.750   1.0308   0.01564   0.00844  -0.0937   0.5428   0.7027
   6.000   1.0546   0.01574   0.00858  -0.0931   0.5352   0.7044
   6.250   1.0765   0.01588   0.00882  -0.0922   0.5262   0.7062
   6.500   1.0995   0.01602   0.00899  -0.0915   0.5180   0.7081
   6.750   1.1206   0.01619   0.00925  -0.0905   0.5083   0.7103
   7.000   1.1409   0.01637   0.00947  -0.0893   0.4972   0.7126
   7.250   1.1588   0.01658   0.00968  -0.0877   0.4822   0.7151
   7.500   1.1738   0.01684   0.00990  -0.0856   0.4640   0.7176
   7.750   1.1864   0.01714   0.01021  -0.0830   0.4469   0.7195
   8.000   1.1975   0.01747   0.01056  -0.0803   0.4318   0.7217
   8.250   1.2081   0.01788   0.01098  -0.0775   0.4166   0.7242
   8.500   1.2173   0.01841   0.01149  -0.0747   0.3992   0.7267
   8.750   1.2251   0.01903   0.01209  -0.0718   0.3798   0.7294
   9.000   1.2303   0.01980   0.01281  -0.0687   0.3587   0.7320
   9.250   1.2333   0.02068   0.01367  -0.0655   0.3361   0.7340
   9.500   1.2334   0.02178   0.01471  -0.0621   0.3124   0.7363
   9.750   1.2332   0.02304   0.01590  -0.0590   0.2881   0.7390
  10.000   1.2319   0.02449   0.01727  -0.0561   0.2660   0.7420
  10.250   1.2309   0.02607   0.01877  -0.0535   0.2441   0.7450
  10.500   1.2303   0.02774   0.02039  -0.0511   0.2248   0.7475
  10.750   1.2315   0.02938   0.02201  -0.0491   0.2070   0.7498
  11.000   1.2334   0.03107   0.02368  -0.0473   0.1901   0.7523
  11.250   1.2357   0.03283   0.02544  -0.0457   0.1741   0.7549
  11.500   1.2378   0.03469   0.02728  -0.0443   0.1583   0.7577
  11.750   1.2389   0.03672   0.02927  -0.0429   0.1423   0.7604
  12.000   1.2396   0.03885   0.03137  -0.0417   0.1269   0.7628
  12.250   1.2398   0.04112   0.03359  -0.0407   0.1121   0.7655
  12.500   1.2421   0.04330   0.03576  -0.0398   0.1004   0.7685
  12.750   1.2441   0.04559   0.03803  -0.0391   0.0891   0.7716
  13.000   1.2478   0.04779   0.04025  -0.0386   0.0809   0.7747
  13.250   1.2499   0.05021   0.04268  -0.0381   0.0736   0.7773
  13.500   1.2551   0.05239   0.04494  -0.0378   0.0668   0.7802
  13.750   1.2583   0.05484   0.04742  -0.0376   0.0611   0.7833
  14.000   1.2637   0.05711   0.04975  -0.0375   0.0551   0.7866
  14.250   1.2669   0.05968   0.05237  -0.0374   0.0504   0.7899
  14.500   1.2729   0.06198   0.05478  -0.0375   0.0458   0.7933
  14.750   1.2755   0.06471   0.05755  -0.0376   0.0409   0.7973
  15.000   1.2804   0.06723   0.06018  -0.0377   0.0363   0.8017
  15.250   1.2819   0.07021   0.06320  -0.0380   0.0302   0.8061
  15.500   1.2828   0.07333   0.06637  -0.0384   0.0253   0.8110
  15.750   1.2824   0.07666   0.06976  -0.0389   0.0200   0.8166
  16.000   1.2818   0.08012   0.07331  -0.0395   0.0167   0.8230
  16.250   1.2803   0.08376   0.07708  -0.0402   0.0148   0.8315
  16.500   1.2785   0.08748   0.08098  -0.0410   0.0132   0.8461
  16.750   1.2758   0.09126   0.08496  -0.0424   0.0123   0.9850
  17.250   1.2668   0.09944   0.09334  -0.0441   0.0110   1.0000
  17.500   1.2636   0.10367   0.09771  -0.0455   0.0106   1.0000
  17.750   1.2598   0.10808   0.10224  -0.0471   0.0102   1.0000
  18.000   1.2557   0.11260   0.10690  -0.0488   0.0099   1.0000
  18.250   1.2508   0.11732   0.11174  -0.0507   0.0096   1.0000
  18.500   1.2451   0.12225   0.11679  -0.0529   0.0093   1.0000
  18.750   1.2390   0.12728   0.12195  -0.0552   0.0091   1.0000
  19.000   1.2326   0.13245   0.12723  -0.0577   0.0090   1.0000
  19.250   1.2254   0.13784   0.13274  -0.0605   0.0088   1.0000
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