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St. CYR 171 (Royer) (stcyr171-il) Xfoil prediction polar at RE=1,000,000 Ncrit=5


Details Polar file
Airfoil: St. CYR 171 (Royer) (stcyr171-il)
Reynolds number: 1,000,000
Max Cl/Cd: 54.29 at α=11.5°
Description: Mach=0 Ncrit=5
Source: Xfoil prediction
Download polar: xf-stcyr171-il-1000000-n5.txt
Download as CSV file: xf-stcyr171-il-1000000-n5.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: St. CYR 171 (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
  ------ -------- --------- --------- -------- -------- --------
 -17.500  -1.2054   0.08262   0.07934  -0.0225   1.0000   0.0156
 -17.250  -1.2350   0.07403   0.07061  -0.0269   1.0000   0.0157
 -17.000  -1.2675   0.06524   0.06166  -0.0314   1.0000   0.0156
 -16.750  -1.2899   0.05913   0.05542  -0.0342   1.0000   0.0157
 -16.500  -1.3114   0.05360   0.04978  -0.0365   1.0000   0.0157
 -16.250  -1.3298   0.04865   0.04473  -0.0386   1.0000   0.0157
 -16.000  -1.3747   0.04056   0.03648  -0.0434   1.0000   0.0156
 -15.750  -1.4138   0.03531   0.03106  -0.0440   1.0000   0.0156
 -15.500  -1.4278   0.03317   0.02880  -0.0412   1.0000   0.0157
 -15.250  -1.4344   0.03178   0.02732  -0.0376   1.0000   0.0158
 -15.000  -1.4331   0.03056   0.02602  -0.0348   1.0000   0.0159
 -14.750  -1.4300   0.02924   0.02462  -0.0322   1.0000   0.0163
 -14.500  -1.4212   0.02821   0.02352  -0.0302   1.0000   0.0165
 -14.250  -1.4090   0.02735   0.02261  -0.0284   1.0000   0.0168
 -14.000  -1.3950   0.02659   0.02180  -0.0268   1.0000   0.0171
 -13.750  -1.3798   0.02587   0.02105  -0.0252   1.0000   0.0174
 -13.500  -1.3638   0.02521   0.02033  -0.0237   1.0000   0.0177
 -13.250  -1.3472   0.02457   0.01964  -0.0222   1.0000   0.0180
 -13.000  -1.3296   0.02399   0.01902  -0.0208   1.0000   0.0184
 -12.750  -1.3121   0.02341   0.01838  -0.0194   1.0000   0.0188
 -12.500  -1.2944   0.02283   0.01775  -0.0179   1.0000   0.0191
 -12.250  -1.2763   0.02228   0.01714  -0.0164   1.0000   0.0194
 -12.000  -1.2580   0.02174   0.01654  -0.0150   1.0000   0.0196
 -11.750  -1.2390   0.02123   0.01598  -0.0136   1.0000   0.0198
 -11.500  -1.2192   0.02079   0.01550  -0.0123   1.0000   0.0200
 -11.250  -1.1986   0.02040   0.01506  -0.0111   1.0000   0.0201
 -11.000  -1.1830   0.01963   0.01423  -0.0092   1.0000   0.0206
 -10.750  -1.1655   0.01900   0.01354  -0.0074   1.0000   0.0209
 -10.500  -1.1467   0.01846   0.01296  -0.0059   1.0000   0.0213
 -10.250  -1.1269   0.01800   0.01247  -0.0045   1.0000   0.0216
 -10.000  -1.1065   0.01759   0.01203  -0.0031   1.0000   0.0220
  -9.750  -1.0859   0.01719   0.01160  -0.0018   1.0000   0.0224
  -9.500  -1.0653   0.01679   0.01117  -0.0004   1.0000   0.0227
  -9.250  -1.0446   0.01641   0.01075   0.0009   1.0000   0.0230
  -9.000  -1.0216   0.01604   0.01034   0.0018   0.9998   0.0234
  -8.750  -0.9909   0.01569   0.00996   0.0011   0.9987   0.0239
  -8.500  -0.9599   0.01533   0.00957   0.0003   0.9973   0.0242
  -8.250  -0.9280   0.01500   0.00920  -0.0007   0.9955   0.0245
  -8.000  -0.8955   0.01468   0.00885  -0.0018   0.9937   0.0248
  -7.750  -0.8644   0.01439   0.00853  -0.0025   0.9922   0.0250
  -7.500  -0.8368   0.01410   0.00822  -0.0025   0.9903   0.0252
  -7.250  -0.8086   0.01378   0.00788  -0.0026   0.9881   0.0256
  -7.000  -0.7793   0.01344   0.00751  -0.0029   0.9857   0.0263
  -6.750  -0.7486   0.01316   0.00721  -0.0035   0.9835   0.0268
  -6.500  -0.7170   0.01290   0.00694  -0.0042   0.9816   0.0274
  -6.250  -0.6874   0.01266   0.00670  -0.0045   0.9786   0.0280
  -6.000  -0.6603   0.01244   0.00647  -0.0042   0.9733   0.0285
  -5.750  -0.6296   0.01223   0.00625  -0.0048   0.9691   0.0291
  -5.500  -0.5985   0.01203   0.00605  -0.0053   0.9654   0.0297
  -5.250  -0.5713   0.01185   0.00586  -0.0050   0.9573   0.0304
  -4.750  -0.5008   0.01150   0.00551  -0.0080   0.9443   0.0329
  -4.500  -0.4605   0.01132   0.00534  -0.0106   0.9353   0.0372
  -4.250  -0.4213   0.01109   0.00536  -0.0130   0.9190   0.0831
  -4.000  -0.3845   0.01103   0.00531  -0.0148   0.8918   0.0971
  -3.750  -0.3567   0.01111   0.00525  -0.0145   0.8338   0.1066
  -3.500  -0.3345   0.01126   0.00521  -0.0130   0.7715   0.1154
  -3.250  -0.3098   0.01131   0.00516  -0.0121   0.7414   0.1214
  -3.000  -0.2840   0.01132   0.00514  -0.0115   0.7192   0.1292
  -2.750  -0.2579   0.01132   0.00509  -0.0109   0.6980   0.1348
  -2.500  -0.2315   0.01130   0.00507  -0.0104   0.6802   0.1433
  -2.250  -0.2049   0.01128   0.00503  -0.0099   0.6607   0.1502
  -2.000  -0.1790   0.01130   0.00498  -0.0094   0.6291   0.1558
  -1.750  -0.1543   0.01140   0.00496  -0.0085   0.5767   0.1655
  -1.500  -0.1285   0.01145   0.00496  -0.0079   0.5455   0.1774
  -1.250  -0.1021   0.01147   0.00496  -0.0075   0.5233   0.1916
  -1.000  -0.0758   0.01147   0.00497  -0.0070   0.5004   0.2089
  -0.750  -0.0495   0.01149   0.00495  -0.0066   0.4749   0.2231
  -0.500  -0.0231   0.01149   0.00492  -0.0061   0.4453   0.2364
  -0.250   0.0024   0.01157   0.00489  -0.0056   0.3979   0.2472
   0.000   0.0261   0.01183   0.00490  -0.0047   0.3192   0.2551
   0.250   0.0514   0.01199   0.00491  -0.0041   0.2735   0.2597
   0.500   0.0773   0.01207   0.00491  -0.0036   0.2436   0.2668
   0.750   0.1036   0.01212   0.00490  -0.0031   0.2215   0.2738
   1.000   0.1300   0.01214   0.00488  -0.0027   0.2037   0.2815
   1.250   0.1565   0.01216   0.00487  -0.0023   0.1899   0.2899
   1.500   0.1829   0.01197   0.00478  -0.0019   0.1805   0.3180
   1.750   0.2151   0.01383   0.00695  -0.0020   0.1704   0.3542
   2.000   0.2412   0.01354   0.00659  -0.0016   0.1642   0.3934
   2.250   0.2675   0.01345   0.00644  -0.0012   0.1557   0.3972
   2.500   0.2948   0.01357   0.00655  -0.0009   0.1502   0.4003
   2.750   0.3214   0.01362   0.00656  -0.0005   0.1424   0.4030
   3.000   0.3474   0.01340   0.00627  -0.0001   0.1360   0.4057
   3.250   0.3750   0.01376   0.00665   0.0002   0.1312   0.4065
   3.500   0.4020   0.01408   0.00696   0.0006   0.1247   0.4077
   3.750   0.4288   0.01429   0.00717   0.0010   0.1188   0.4087
   4.000   0.4552   0.01442   0.00729   0.0015   0.1124   0.4094
   4.250   0.4811   0.01455   0.00738   0.0020   0.1043   0.4100
   4.500   0.5073   0.01463   0.00745   0.0024   0.0984   0.4106
   4.750   0.5325   0.01478   0.00754   0.0030   0.0870   0.4110
   5.000   0.5572   0.01497   0.00765   0.0037   0.0714   0.4114
   5.250   0.5787   0.01547   0.00796   0.0049   0.0378   0.4120
   5.500   0.6038   0.01562   0.00810   0.0055   0.0347   0.4128
   5.750   0.6289   0.01575   0.00822   0.0062   0.0327   0.4133
   6.000   0.6539   0.01586   0.00833   0.0068   0.0311   0.4138
   6.250   0.6791   0.01594   0.00842   0.0074   0.0307   0.4142
   6.750   0.7290   0.01619   0.00872   0.0087   0.0296   0.4152
   7.000   0.7536   0.01637   0.00892   0.0094   0.0290   0.4153
   7.250   0.7779   0.01655   0.00912   0.0101   0.0285   0.4154
   7.500   0.8020   0.01673   0.00934   0.0109   0.0280   0.4155
   7.750   0.8259   0.01695   0.00958   0.0117   0.0274   0.4156
   8.000   0.8494   0.01723   0.00989   0.0125   0.0268   0.4159
   8.250   0.8726   0.01753   0.01024   0.0134   0.0261   0.4162
   8.500   0.8950   0.01785   0.01061   0.0144   0.0255   0.4163
   8.750   0.9171   0.01821   0.01102   0.0154   0.0251   0.4166
   9.000   0.9401   0.01847   0.01132   0.0163   0.0250   0.4170
   9.250   0.9630   0.01869   0.01159   0.0172   0.0248   0.4172
   9.500   0.9858   0.01891   0.01184   0.0181   0.0245   0.4173
   9.750   1.0080   0.01914   0.01212   0.0191   0.0241   0.4173
  10.000   1.0297   0.01939   0.01242   0.0201   0.0238   0.4173
  10.250   1.0510   0.01966   0.01273   0.0212   0.0234   0.4173
  10.500   1.0717   0.01996   0.01308   0.0224   0.0230   0.4173
  10.750   1.0926   0.02023   0.01339   0.0236   0.0226   0.4173
  11.000   1.1128   0.02052   0.01372   0.0248   0.0221   0.4173
  11.250   1.1321   0.02086   0.01410   0.0262   0.0218   0.4173
  11.500   1.1509   0.02120   0.01448   0.0276   0.0214   0.4174
  11.750   1.1686   0.02159   0.01490   0.0292   0.0209   0.4174
  12.000   1.1839   0.02209   0.01545   0.0311   0.0204   0.4174
  12.250   1.1956   0.02272   0.01616   0.0335   0.0200   0.4174
  12.500   1.2095   0.02303   0.01651   0.0358   0.0199   0.4174
  12.750   1.2216   0.02335   0.01690   0.0383   0.0197   0.4175
  13.000   1.2338   0.02372   0.01732   0.0407   0.0195   0.4174
  13.250   1.2457   0.02418   0.01784   0.0431   0.0193   0.4175
  13.500   1.2584   0.02465   0.01836   0.0452   0.0190   0.4176
  13.750   1.2694   0.02520   0.01898   0.0475   0.0187   0.4175
  14.000   1.2804   0.02576   0.01960   0.0496   0.0183   0.4176
  14.250   1.2900   0.02640   0.02029   0.0517   0.0180   0.4176
  14.500   1.2984   0.02713   0.02108   0.0539   0.0177   0.4176
  14.750   1.3063   0.02790   0.02191   0.0559   0.0174   0.4177
  15.000   1.3136   0.02876   0.02281   0.0578   0.0171   0.4177
  15.250   1.3193   0.02976   0.02387   0.0595   0.0168   0.4178
  15.500   1.3234   0.03094   0.02510   0.0612   0.0165   0.4177
  15.750   1.3249   0.03239   0.02663   0.0626   0.0163   0.4178
  16.000   1.3239   0.03419   0.02850   0.0638   0.0159   0.4178
  16.250   1.3218   0.03623   0.03062   0.0646   0.0157   0.4178
  16.500   1.3190   0.03851   0.03300   0.0650   0.0156   0.4179
  16.750   1.3148   0.04112   0.03571   0.0650   0.0155   0.4179
  17.000   1.3104   0.04398   0.03867   0.0646   0.0154   0.4179
  17.250   1.3003   0.04777   0.04257   0.0635   0.0152   0.4180
  17.500   1.2901   0.05186   0.04677   0.0619   0.0151   0.4179
  17.750   1.2727   0.05720   0.05224   0.0593   0.0150   0.4179
  18.000   1.2446   0.06457   0.05977   0.0554   0.0150   0.4180
  18.250   1.2124   0.07336   0.06871   0.0503   0.0149   0.4180
  18.500   1.1592   0.08587   0.08140   0.0430   0.0152   0.4178
  18.750   1.1249   0.09525   0.09090   0.0376   0.0151   0.4179
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