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St. CYR 172 (Royer) (stcyr172-il) Xfoil prediction polar at RE=1,000,000 Ncrit=5


Details Polar file
Airfoil: St. CYR 172 (Royer) (stcyr172-il)
Reynolds number: 1,000,000
Max Cl/Cd: 75.6 at α=9.75°
Description: Mach=0 Ncrit=5
Source: Xfoil prediction
Download polar: xf-stcyr172-il-1000000-n5.txt
Download as CSV file: xf-stcyr172-il-1000000-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 =     1.000 e 6     Ncrit =   5.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -19.000  -1.2804   0.08424   0.08044  -0.0273   1.0000   0.0221
 -18.750  -1.2999   0.07805   0.07415  -0.0302   1.0000   0.0222
 -18.500  -1.3195   0.07199   0.06797  -0.0330   1.0000   0.0222
 -18.250  -1.3380   0.06622   0.06209  -0.0356   1.0000   0.0223
 -18.000  -1.3503   0.06129   0.05706  -0.0377   1.0000   0.0227
 -17.750  -1.3670   0.05579   0.05144  -0.0402   1.0000   0.0227
 -17.500  -1.3793   0.05085   0.04638  -0.0424   1.0000   0.0228
 -17.250  -1.3839   0.04701   0.04244  -0.0440   1.0000   0.0231
 -17.000  -1.3894   0.04320   0.03851  -0.0456   1.0000   0.0232
 -16.750  -1.3917   0.03994   0.03515  -0.0467   1.0000   0.0234
 -16.500  -1.3936   0.03693   0.03203  -0.0474   1.0000   0.0235
 -16.250  -1.3962   0.03404   0.02907  -0.0479   1.0000   0.0239
 -16.000  -1.3954   0.03173   0.02667  -0.0478   1.0000   0.0242
 -15.750  -1.3925   0.02980   0.02468  -0.0473   1.0000   0.0245
 -15.500  -1.3869   0.02825   0.02308  -0.0465   1.0000   0.0248
 -15.250  -1.3809   0.02686   0.02163  -0.0454   1.0000   0.0251
 -15.000  -1.3731   0.02569   0.02041  -0.0441   1.0000   0.0255
 -14.750  -1.3644   0.02467   0.01932  -0.0427   1.0000   0.0259
 -14.500  -1.3559   0.02369   0.01828  -0.0410   1.0000   0.0261
 -14.250  -1.3463   0.02284   0.01738  -0.0392   1.0000   0.0265
 -14.000  -1.3362   0.02209   0.01657  -0.0373   1.0000   0.0267
 -13.750  -1.3251   0.02143   0.01585  -0.0353   1.0000   0.0271
 -13.500  -1.3138   0.02083   0.01520  -0.0331   1.0000   0.0273
 -13.250  -1.3030   0.02027   0.01458  -0.0308   1.0000   0.0275
 -13.000  -1.2952   0.01963   0.01391  -0.0278   1.0000   0.0280
 -12.750  -1.2864   0.01912   0.01337  -0.0247   1.0000   0.0285
 -12.500  -1.2779   0.01867   0.01290  -0.0215   1.0000   0.0289
 -12.250  -1.2671   0.01824   0.01244  -0.0185   1.0000   0.0293
 -12.000  -1.2526   0.01780   0.01197  -0.0163   1.0000   0.0297
 -11.750  -1.2370   0.01741   0.01155  -0.0142   1.0000   0.0303
 -11.500  -1.2213   0.01701   0.01111  -0.0121   1.0000   0.0306
 -11.250  -1.2049   0.01664   0.01071  -0.0101   1.0000   0.0311
 -11.000  -1.1879   0.01629   0.01033  -0.0081   1.0000   0.0314
 -10.750  -1.1708   0.01594   0.00995  -0.0062   1.0000   0.0317
 -10.500  -1.1530   0.01563   0.00959  -0.0043   1.0000   0.0320
 -10.250  -1.1370   0.01520   0.00915  -0.0022   1.0000   0.0327
 -10.000  -1.1198   0.01484   0.00879  -0.0002   1.0000   0.0334
  -9.750  -1.0953   0.01449   0.00842   0.0003   0.9994   0.0341
  -9.500  -1.0646   0.01414   0.00806  -0.0005   0.9981   0.0348
  -9.250  -1.0339   0.01381   0.00772  -0.0013   0.9965   0.0355
  -9.000  -1.0029   0.01350   0.00739  -0.0022   0.9946   0.0362
  -8.750  -0.9713   0.01320   0.00707  -0.0031   0.9924   0.0368
  -8.500  -0.9416   0.01286   0.00672  -0.0036   0.9890   0.0377
  -8.250  -0.9108   0.01251   0.00637  -0.0043   0.9854   0.0389
  -7.750  -0.8533   0.01191   0.00578  -0.0048   0.9749   0.0414
  -7.500  -0.8232   0.01165   0.00550  -0.0053   0.9696   0.0425
  -7.250  -0.7953   0.01138   0.00522  -0.0053   0.9602   0.0436
  -7.000  -0.7615   0.01105   0.00491  -0.0065   0.9534   0.0458
  -6.750  -0.7239   0.01075   0.00461  -0.0087   0.9466   0.0479
  -6.500  -0.6798   0.01047   0.00433  -0.0122   0.9412   0.0503
  -6.250  -0.6331   0.01011   0.00399  -0.0164   0.9321   0.0550
  -6.000  -0.5896   0.00976   0.00364  -0.0198   0.9187   0.0633
  -5.750  -0.5615   0.00915   0.00322  -0.0202   0.9041   0.1060
  -5.500  -0.5349   0.00890   0.00303  -0.0199   0.8911   0.1249
  -5.250  -0.5088   0.00876   0.00289  -0.0194   0.8807   0.1338
  -5.000  -0.4836   0.00861   0.00276  -0.0187   0.8706   0.1415
  -4.750  -0.4581   0.00851   0.00264  -0.0181   0.8577   0.1481
  -4.500  -0.4335   0.00839   0.00251  -0.0172   0.8410   0.1547
  -4.250  -0.4095   0.00831   0.00239  -0.0162   0.8141   0.1608
  -4.000  -0.3883   0.00835   0.00225  -0.0145   0.7619   0.1654
  -3.750  -0.3671   0.00836   0.00215  -0.0129   0.7202   0.1734
  -3.500  -0.3441   0.00833   0.00205  -0.0117   0.6910   0.1834
  -3.250  -0.3203   0.00828   0.00197  -0.0107   0.6663   0.1939
  -3.000  -0.2971   0.00823   0.00188  -0.0096   0.6362   0.2078
  -2.750  -0.2746   0.00821   0.00179  -0.0084   0.5941   0.2244
  -2.500  -0.2527   0.00826   0.00172  -0.0070   0.5404   0.2407
  -2.250  -0.2300   0.00829   0.00167  -0.0058   0.4953   0.2581
  -2.000  -0.2064   0.00829   0.00163  -0.0049   0.4631   0.2765
  -1.750  -0.1823   0.00828   0.00160  -0.0040   0.4384   0.2956
  -1.500  -0.1569   0.00825   0.00157  -0.0033   0.4239   0.3097
  -1.250  -0.1313   0.00825   0.00155  -0.0026   0.4085   0.3194
  -1.000  -0.1052   0.00826   0.00153  -0.0021   0.3971   0.3280
  -0.750  -0.0790   0.00823   0.00152  -0.0015   0.3881   0.3371
  -0.500  -0.0526   0.00824   0.00151  -0.0010   0.3802   0.3451
  -0.250  -0.0263   0.00822   0.00150  -0.0005   0.3716   0.3533
   0.000   0.0000   0.00824   0.00150   0.0000   0.3616   0.3618
   0.250   0.0263   0.00822   0.00150   0.0005   0.3533   0.3715
   0.500   0.0526   0.00824   0.00151   0.0010   0.3450   0.3802
   0.750   0.0790   0.00823   0.00152   0.0015   0.3371   0.3881
   1.000   0.1052   0.00826   0.00153   0.0021   0.3279   0.3971
   1.250   0.1313   0.00824   0.00155   0.0026   0.3194   0.4089
   1.500   0.1570   0.00826   0.00157   0.0033   0.3098   0.4226
   1.750   0.1822   0.00827   0.00159   0.0040   0.2958   0.4399
   2.000   0.2063   0.00829   0.00163   0.0049   0.2762   0.4643
   2.250   0.2301   0.00829   0.00167   0.0058   0.2580   0.4950
   2.500   0.2526   0.00825   0.00172   0.0070   0.2408   0.5423
   2.750   0.2749   0.00822   0.00179   0.0083   0.2240   0.5897
   3.000   0.2971   0.00822   0.00188   0.0096   0.2088   0.6368
   3.250   0.3204   0.00828   0.00197   0.0107   0.1941   0.6660
   3.500   0.3440   0.00835   0.00206   0.0117   0.1821   0.6906
   3.750   0.3673   0.00836   0.00215   0.0129   0.1742   0.7185
   4.000   0.3883   0.00835   0.00225   0.0145   0.1656   0.7619
   4.250   0.4095   0.00831   0.00239   0.0162   0.1610   0.8142
   4.500   0.4334   0.00839   0.00251   0.0172   0.1550   0.8416
   4.750   0.4580   0.00851   0.00264   0.0181   0.1478   0.8586
   5.000   0.4836   0.00861   0.00276   0.0188   0.1414   0.8709
   5.250   0.5088   0.00876   0.00289   0.0194   0.1339   0.8806
   5.500   0.5349   0.00890   0.00303   0.0199   0.1248   0.8915
   5.750   0.5613   0.00914   0.00321   0.0203   0.1066   0.9031
   6.000   0.5894   0.00976   0.00364   0.0199   0.0631   0.9186
   6.250   0.6324   0.01010   0.00398   0.0165   0.0552   0.9317
   6.500   0.6788   0.01047   0.00433   0.0124   0.0503   0.9409
   6.750   0.7236   0.01075   0.00461   0.0087   0.0479   0.9465
   7.000   0.7620   0.01105   0.00491   0.0064   0.0457   0.9539
   7.250   0.7958   0.01138   0.00523   0.0052   0.0436   0.9607
   7.750   0.8533   0.01191   0.00578   0.0048   0.0415   0.9748
   8.250   0.9109   0.01251   0.00637   0.0043   0.0389   0.9854
   8.500   0.9416   0.01287   0.00673   0.0036   0.0376   0.9890
   8.750   0.9713   0.01321   0.00708   0.0031   0.0368   0.9924
   9.000   1.0028   0.01350   0.00739   0.0022   0.0362   0.9946
   9.250   1.0341   0.01381   0.00772   0.0013   0.0355   0.9965
   9.500   1.0648   0.01414   0.00806   0.0005   0.0348   0.9982
   9.750   1.0955   0.01449   0.00842  -0.0003   0.0341   0.9995
  10.000   1.1198   0.01484   0.00879   0.0002   0.0334   1.0000
  10.250   1.1369   0.01520   0.00916   0.0022   0.0327   1.0000
  10.500   1.1531   0.01562   0.00959   0.0043   0.0320   1.0000
  10.750   1.1707   0.01595   0.00995   0.0062   0.0317   1.0000
  11.000   1.1880   0.01629   0.01033   0.0081   0.0314   1.0000
  11.250   1.2048   0.01665   0.01072   0.0101   0.0311   1.0000
  11.500   1.2212   0.01702   0.01112   0.0121   0.0307   1.0000
  11.750   1.2374   0.01739   0.01152   0.0141   0.0302   1.0000
  12.000   1.2527   0.01780   0.01197   0.0163   0.0297   1.0000
  12.250   1.2673   0.01824   0.01243   0.0185   0.0293   1.0000
  12.500   1.2785   0.01866   0.01288   0.0213   0.0289   1.0000
  12.750   1.2872   0.01911   0.01335   0.0246   0.0285   1.0000
  13.000   1.2957   0.01963   0.01390   0.0277   0.0280   1.0000
  13.250   1.3039   0.02025   0.01456   0.0306   0.0276   1.0000
  13.500   1.3137   0.02087   0.01524   0.0331   0.0274   1.0000
  13.750   1.3257   0.02143   0.01585   0.0352   0.0271   1.0000
  14.000   1.3364   0.02211   0.01659   0.0372   0.0268   1.0000
  14.250   1.3470   0.02284   0.01738   0.0391   0.0265   1.0000
  14.500   1.3566   0.02369   0.01828   0.0409   0.0262   1.0000
  14.750   1.3663   0.02459   0.01924   0.0425   0.0258   1.0000
  15.000   1.3736   0.02571   0.02043   0.0440   0.0256   1.0000
  15.250   1.3818   0.02686   0.02163   0.0453   0.0252   1.0000
  15.500   1.3892   0.02815   0.02297   0.0463   0.0247   1.0000
  15.750   1.3940   0.02975   0.02463   0.0471   0.0245   1.0000
  16.000   1.3976   0.03163   0.02657   0.0476   0.0241   1.0000
  16.250   1.3984   0.03395   0.02897   0.0477   0.0240   1.0000
  16.500   1.3970   0.03670   0.03181   0.0473   0.0236   1.0000
  16.750   1.3956   0.03965   0.03485   0.0466   0.0233   1.0000
  17.000   1.3937   0.04284   0.03815   0.0455   0.0231   1.0000
  17.250   1.3895   0.04648   0.04190   0.0440   0.0230   1.0000
  17.500   1.3814   0.05079   0.04632   0.0422   0.0228   1.0000
  17.750   1.3721   0.05534   0.05098   0.0401   0.0227   1.0000
  18.000   1.3588   0.06040   0.05615   0.0379   0.0224   1.0000
  18.250   1.3420   0.06594   0.06180   0.0354   0.0224   1.0000
  18.500   1.3231   0.07179   0.06776   0.0328   0.0223   1.0000
  18.750   1.3041   0.07776   0.07385   0.0300   0.0222   1.0000
  19.000   1.2853   0.08386   0.08005   0.0272   0.0220   1.0000
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