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St. CYR 172 (Royer) (stcyr172-il) Xfoil prediction polar at RE=200,000 Ncrit=5


Details Polar file
Airfoil: St. CYR 172 (Royer) (stcyr172-il)
Reynolds number: 200,000
Max Cl/Cd: 50.42 at α=6.75°
Description: Mach=0 Ncrit=5
Source: Xfoil prediction
Download polar: xf-stcyr172-il-200000-n5.txt
Download as CSV file: xf-stcyr172-il-200000-n5.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: St. CYR 172 (Royer)                             
  
 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
  ------ -------- --------- --------- -------- -------- --------
 -18.250  -0.9346   0.12653   0.12171  -0.0117   1.0000   0.0360
 -18.000  -0.9863   0.11191   0.10679  -0.0209   1.0000   0.0362
 -17.750  -1.0163   0.10244   0.09708  -0.0267   1.0000   0.0364
 -17.500  -1.0382   0.09490   0.08933  -0.0312   1.0000   0.0366
 -17.250  -1.0576   0.08804   0.08226  -0.0352   1.0000   0.0368
 -17.000  -1.0728   0.08218   0.07620  -0.0386   1.0000   0.0370
 -16.750  -1.0768   0.07833   0.07228  -0.0402   1.0000   0.0375
 -16.500  -1.0785   0.07490   0.06880  -0.0415   1.0000   0.0378
 -16.250  -1.0805   0.07146   0.06529  -0.0429   1.0000   0.0382
 -16.000  -1.0831   0.06796   0.06170  -0.0443   1.0000   0.0385
 -15.750  -1.0858   0.06451   0.05816  -0.0457   1.0000   0.0389
 -15.500  -1.0883   0.06116   0.05469  -0.0470   1.0000   0.0393
 -15.250  -1.0903   0.05793   0.05136  -0.0481   1.0000   0.0398
 -15.000  -1.0917   0.05487   0.04818  -0.0491   1.0000   0.0403
 -14.750  -1.0927   0.05195   0.04513  -0.0499   1.0000   0.0408
 -14.500  -1.0928   0.04922   0.04226  -0.0504   1.0000   0.0414
 -14.250  -1.0917   0.04673   0.03964  -0.0506   1.0000   0.0419
 -14.000  -1.0893   0.04446   0.03723  -0.0506   1.0000   0.0423
 -13.750  -1.0864   0.04234   0.03496  -0.0504   1.0000   0.0428
 -13.500  -1.0813   0.04046   0.03299  -0.0498   1.0000   0.0432
 -13.250  -1.0752   0.03872   0.03124  -0.0490   1.0000   0.0437
 -13.000  -1.0702   0.03703   0.02952  -0.0481   1.0000   0.0444
 -12.750  -1.0646   0.03548   0.02793  -0.0470   1.0000   0.0450
 -12.500  -1.0590   0.03404   0.02643  -0.0457   1.0000   0.0457
 -12.250  -1.0531   0.03268   0.02500  -0.0441   1.0000   0.0464
 -12.000  -1.0467   0.03144   0.02368  -0.0424   1.0000   0.0470
 -11.750  -1.0399   0.03028   0.02245  -0.0405   1.0000   0.0477
 -11.500  -1.0329   0.02922   0.02131  -0.0383   1.0000   0.0483
 -11.250  -1.0256   0.02826   0.02026  -0.0359   1.0000   0.0490
 -11.000  -1.0176   0.02742   0.01933  -0.0334   1.0000   0.0497
 -10.750  -1.0143   0.02641   0.01831  -0.0301   1.0000   0.0505
 -10.500  -1.0110   0.02553   0.01742  -0.0265   1.0000   0.0513
 -10.250  -1.0059   0.02473   0.01660  -0.0231   1.0000   0.0522
 -10.000  -0.9968   0.02397   0.01580  -0.0203   1.0000   0.0532
  -9.750  -0.9862   0.02326   0.01505  -0.0176   1.0000   0.0543
  -9.500  -0.9747   0.02259   0.01431  -0.0150   1.0000   0.0554
  -9.250  -0.9619   0.02198   0.01363  -0.0125   1.0000   0.0566
  -9.000  -0.9489   0.02137   0.01296  -0.0101   1.0000   0.0578
  -8.750  -0.9374   0.02064   0.01223  -0.0074   1.0000   0.0594
  -8.500  -0.9240   0.02001   0.01157  -0.0050   1.0000   0.0614
  -8.250  -0.9094   0.01946   0.01098  -0.0027   1.0000   0.0638
  -8.000  -0.8942   0.01894   0.01043  -0.0004   1.0000   0.0665
  -7.750  -0.8801   0.01834   0.00985   0.0019   1.0000   0.0705
  -7.500  -0.8655   0.01779   0.00932   0.0043   1.0000   0.0762
  -7.250  -0.8519   0.01717   0.00882   0.0067   1.0000   0.0890
  -7.000  -0.8377   0.01662   0.00844   0.0090   1.0000   0.1146
  -6.750  -0.8209   0.01628   0.00815   0.0110   1.0000   0.1338
  -6.500  -0.8038   0.01599   0.00787   0.0130   1.0000   0.1473
  -6.250  -0.7866   0.01570   0.00761   0.0149   1.0000   0.1573
  -6.000  -0.7620   0.01544   0.00735   0.0154   0.9986   0.1682
  -5.500  -0.6890   0.01483   0.00680   0.0115   0.9882   0.1916
  -5.250  -0.6528   0.01452   0.00655   0.0096   0.9830   0.2045
  -5.000  -0.6194   0.01421   0.00627   0.0084   0.9761   0.2165
  -4.750  -0.5819   0.01391   0.00601   0.0064   0.9700   0.2302
  -4.500  -0.5497   0.01360   0.00575   0.0055   0.9606   0.2449
  -4.250  -0.5163   0.01328   0.00552   0.0044   0.9527   0.2633
  -4.000  -0.4838   0.01300   0.00532   0.0035   0.9455   0.2819
  -3.750  -0.4507   0.01275   0.00514   0.0026   0.9382   0.3013
  -3.500  -0.4153   0.01251   0.00497   0.0011   0.9307   0.3204
  -3.250  -0.3782   0.01229   0.00479  -0.0006   0.9231   0.3372
  -3.000  -0.3399   0.01208   0.00460  -0.0026   0.9145   0.3509
  -2.750  -0.3031   0.01191   0.00442  -0.0042   0.9040   0.3639
  -2.500  -0.2653   0.01169   0.00425  -0.0061   0.8929   0.3771
  -2.250  -0.2305   0.01151   0.00409  -0.0072   0.8779   0.3900
  -2.000  -0.2001   0.01137   0.00396  -0.0075   0.8593   0.4022
  -1.750  -0.1720   0.01122   0.00383  -0.0072   0.8356   0.4141
  -1.500  -0.1431   0.01107   0.00368  -0.0071   0.8041   0.4257
  -1.250  -0.1128   0.01096   0.00349  -0.0071   0.7639   0.4388
  -1.000  -0.0857   0.01092   0.00333  -0.0065   0.7241   0.4536
  -0.750  -0.0616   0.01090   0.00324  -0.0054   0.6869   0.4703
  -0.500  -0.0392   0.01091   0.00318  -0.0040   0.6465   0.4898
  -0.250  -0.0188   0.01092   0.00314  -0.0021   0.6004   0.5165
   0.000  -0.0001   0.01092   0.00312   0.0000   0.5538   0.5543
   0.250   0.0189   0.01092   0.00314   0.0021   0.5165   0.6002
   0.500   0.0392   0.01091   0.00318   0.0040   0.4899   0.6466
   0.750   0.0616   0.01090   0.00324   0.0054   0.4704   0.6869
   1.000   0.0856   0.01092   0.00333   0.0065   0.4537   0.7244
   1.250   0.1128   0.01096   0.00349   0.0071   0.4389   0.7639
   1.500   0.1431   0.01107   0.00368   0.0071   0.4258   0.8038
   1.750   0.1720   0.01122   0.00383   0.0072   0.4141   0.8356
   2.000   0.2001   0.01137   0.00396   0.0075   0.4022   0.8594
   2.250   0.2303   0.01151   0.00409   0.0073   0.3899   0.8783
   2.500   0.2653   0.01169   0.00425   0.0061   0.3772   0.8927
   2.750   0.3032   0.01191   0.00442   0.0042   0.3640   0.9041
   3.000   0.3397   0.01208   0.00460   0.0026   0.3508   0.9144
   3.250   0.3782   0.01229   0.00479   0.0006   0.3371   0.9231
   3.500   0.4152   0.01251   0.00497  -0.0011   0.3206   0.9307
   3.750   0.4506   0.01275   0.00514  -0.0025   0.3011   0.9381
   4.000   0.4837   0.01300   0.00532  -0.0035   0.2821   0.9454
   4.250   0.5163   0.01329   0.00552  -0.0044   0.2630   0.9527
   4.500   0.5499   0.01360   0.00575  -0.0056   0.2446   0.9607
   4.750   0.5823   0.01391   0.00602  -0.0065   0.2302   0.9701
   5.000   0.6194   0.01421   0.00627  -0.0084   0.2165   0.9761
   5.250   0.6524   0.01452   0.00654  -0.0095   0.2045   0.9829
   5.500   0.6891   0.01483   0.00680  -0.0115   0.1915   0.9883
   6.000   0.7624   0.01544   0.00735  -0.0155   0.1680   0.9987
   6.250   0.7866   0.01570   0.00761  -0.0149   0.1572   1.0000
   6.500   0.8037   0.01599   0.00787  -0.0130   0.1469   1.0000
   6.750   0.8209   0.01628   0.00815  -0.0110   0.1335   1.0000
   7.000   0.8376   0.01662   0.00844  -0.0090   0.1142   1.0000
   7.250   0.8518   0.01718   0.00882  -0.0067   0.0887   1.0000
   7.500   0.8654   0.01780   0.00932  -0.0042   0.0761   1.0000
   7.750   0.8802   0.01834   0.00984  -0.0019   0.0705   1.0000
   8.000   0.8942   0.01894   0.01042   0.0004   0.0665   1.0000
   8.250   0.9093   0.01946   0.01098   0.0027   0.0638   1.0000
   8.500   0.9239   0.02002   0.01158   0.0050   0.0614   1.0000
   8.750   0.9373   0.02065   0.01223   0.0074   0.0594   1.0000
   9.000   0.9487   0.02137   0.01297   0.0101   0.0577   1.0000
   9.250   0.9621   0.02197   0.01362   0.0125   0.0566   1.0000
   9.500   0.9747   0.02259   0.01431   0.0150   0.0554   1.0000
   9.750   0.9864   0.02326   0.01504   0.0176   0.0543   1.0000
  10.000   0.9969   0.02397   0.01580   0.0203   0.0532   1.0000
  10.250   1.0060   0.02474   0.01660   0.0231   0.0522   1.0000
  10.500   1.0113   0.02553   0.01742   0.0265   0.0512   1.0000
  10.750   1.0145   0.02642   0.01832   0.0301   0.0504   1.0000
  11.000   1.0181   0.02741   0.01932   0.0333   0.0497   1.0000
  11.250   1.0261   0.02825   0.02026   0.0359   0.0490   1.0000
  11.500   1.0335   0.02921   0.02130   0.0382   0.0483   1.0000
  11.750   1.0405   0.03027   0.02244   0.0404   0.0477   1.0000
  12.000   1.0472   0.03143   0.02368   0.0423   0.0470   1.0000
  12.250   1.0537   0.03268   0.02500   0.0441   0.0463   1.0000
  12.500   1.0599   0.03402   0.02641   0.0456   0.0457   1.0000
  12.750   1.0657   0.03547   0.02791   0.0469   0.0450   1.0000
  13.000   1.0712   0.03702   0.02951   0.0480   0.0444   1.0000
  13.250   1.0765   0.03869   0.03121   0.0489   0.0438   1.0000
  13.500   1.0826   0.04042   0.03296   0.0497   0.0433   1.0000
  13.750   1.0877   0.04231   0.03492   0.0502   0.0428   1.0000
  14.000   1.0910   0.04439   0.03715   0.0505   0.0423   1.0000
  14.250   1.0931   0.04670   0.03961   0.0505   0.0418   1.0000
  14.500   1.0945   0.04916   0.04220   0.0503   0.0414   1.0000
  14.750   1.0945   0.05188   0.04506   0.0498   0.0408   1.0000
  15.000   1.0939   0.05476   0.04807   0.0491   0.0403   1.0000
  15.250   1.0923   0.05785   0.05128   0.0480   0.0398   1.0000
  15.500   1.0903   0.06108   0.05462   0.0469   0.0394   1.0000
  15.750   1.0878   0.06444   0.05808   0.0456   0.0389   1.0000
  16.000   1.0852   0.06788   0.06162   0.0442   0.0385   1.0000
  16.250   1.0826   0.07138   0.06520   0.0427   0.0382   1.0000
  16.500   1.0805   0.07485   0.06874   0.0413   0.0378   1.0000
  16.750   1.0801   0.07805   0.07198   0.0401   0.0374   1.0000
  17.000   1.0745   0.08217   0.07619   0.0383   0.0370   1.0000
  17.250   1.0596   0.08802   0.08224   0.0350   0.0368   1.0000
  17.500   1.0391   0.09508   0.08952   0.0307   0.0366   1.0000
  17.750   1.0169   0.10273   0.09738   0.0261   0.0363   1.0000
  18.000   0.9870   0.11217   0.10706   0.0204   0.0362   1.0000
  18.250   0.9362   0.12667   0.12186   0.0113   0.0360   1.0000
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