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St. CYR 171 (Royer) (stcyr171-il) Xfoil prediction polar at RE=1,000,000 Ncrit=9


Details Polar file
Airfoil: St. CYR 171 (Royer) (stcyr171-il)
Reynolds number: 1,000,000
Max Cl/Cd: 45.9 at α=9.75°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-stcyr171-il-1000000.txt
Download as CSV file: xf-stcyr171-il-1000000.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 =   9.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -19.000  -0.9823   0.14032   0.13801   0.0053   1.0000   0.0172
 -18.750  -1.0056   0.13122   0.12879   0.0001   1.0000   0.0174
 -18.500  -1.0288   0.12255   0.12000  -0.0047   1.0000   0.0176
 -18.250  -1.0464   0.11523   0.11257  -0.0089   1.0000   0.0177
 -18.000  -1.0638   0.10825   0.10550  -0.0127   1.0000   0.0177
 -17.750  -1.0809   0.10142   0.09856  -0.0165   1.0000   0.0178
 -17.500  -1.0943   0.09509   0.09213  -0.0201   1.0000   0.0179
 -17.250  -1.1083   0.08886   0.08581  -0.0235   1.0000   0.0180
 -17.000  -1.1192   0.08295   0.07979  -0.0268   1.0000   0.0181
 -16.750  -1.1309   0.07692   0.07364  -0.0303   1.0000   0.0182
 -16.500  -1.1409   0.07163   0.06825  -0.0332   1.0000   0.0182
 -16.250  -1.1515   0.06681   0.06333  -0.0357   1.0000   0.0183
 -16.000  -1.1670   0.06184   0.05825  -0.0378   1.0000   0.0184
 -15.750  -1.1842   0.05702   0.05334  -0.0394   1.0000   0.0186
 -15.500  -1.1975   0.05272   0.04897  -0.0411   1.0000   0.0188
 -15.250  -1.2104   0.04853   0.04470  -0.0428   1.0000   0.0188
 -15.000  -1.2265   0.04375   0.03983  -0.0456   1.0000   0.0190
 -14.750  -1.2522   0.03829   0.03424  -0.0488   1.0000   0.0190
 -14.500  -1.2662   0.03532   0.03116  -0.0483   1.0000   0.0191
 -14.250  -1.2735   0.03347   0.02924  -0.0460   1.0000   0.0193
 -14.000  -1.2771   0.03214   0.02784  -0.0430   1.0000   0.0194
 -13.750  -1.2764   0.03098   0.02661  -0.0399   1.0000   0.0196
 -13.500  -1.2677   0.02996   0.02554  -0.0380   1.0000   0.0199
 -13.250  -1.2577   0.02901   0.02453  -0.0360   1.0000   0.0202
 -13.000  -1.2465   0.02811   0.02355  -0.0341   1.0000   0.0205
 -12.750  -1.2339   0.02726   0.02263  -0.0323   1.0000   0.0209
 -12.500  -1.2205   0.02645   0.02175  -0.0304   1.0000   0.0212
 -12.250  -1.2067   0.02564   0.02087  -0.0286   1.0000   0.0215
 -12.000  -1.1908   0.02495   0.02011  -0.0269   1.0000   0.0218
 -11.750  -1.1732   0.02436   0.01945  -0.0255   1.0000   0.0221
 -11.500  -1.1546   0.02383   0.01885  -0.0241   1.0000   0.0223
 -11.250  -1.1496   0.02245   0.01738  -0.0207   1.0000   0.0228
 -11.000  -1.1387   0.02144   0.01633  -0.0181   1.0000   0.0233
 -10.750  -1.1229   0.02073   0.01559  -0.0162   1.0000   0.0237
 -10.500  -1.1058   0.02011   0.01493  -0.0144   1.0000   0.0241
 -10.250  -1.0880   0.01953   0.01431  -0.0127   1.0000   0.0245
 -10.000  -1.0698   0.01898   0.01371  -0.0110   1.0000   0.0249
  -9.750  -1.0512   0.01845   0.01314  -0.0094   1.0000   0.0253
  -9.500  -1.0322   0.01796   0.01261  -0.0078   1.0000   0.0257
  -9.250  -1.0124   0.01752   0.01213  -0.0063   1.0000   0.0262
  -9.000  -0.9922   0.01712   0.01168  -0.0048   1.0000   0.0266
  -8.750  -0.9721   0.01672   0.01124  -0.0034   1.0000   0.0268
  -8.500  -0.9512   0.01637   0.01086  -0.0020   1.0000   0.0271
  -8.250  -0.9359   0.01562   0.01003   0.0003   1.0000   0.0276
  -8.000  -0.9183   0.01503   0.00939   0.0023   1.0000   0.0282
  -7.750  -0.8990   0.01457   0.00890   0.0040   1.0000   0.0288
  -7.500  -0.8788   0.01420   0.00850   0.0055   1.0000   0.0295
  -7.250  -0.8495   0.01385   0.00812   0.0051   0.9991   0.0301
  -7.000  -0.8165   0.01353   0.00778   0.0040   0.9974   0.0308
  -6.750  -0.7827   0.01325   0.00747   0.0027   0.9956   0.0314
  -6.500  -0.7482   0.01300   0.00719   0.0013   0.9940   0.0320
  -6.250  -0.7139   0.01277   0.00694   0.0000   0.9923   0.0325
  -6.000  -0.6822   0.01246   0.00660  -0.0008   0.9895   0.0338
  -5.750  -0.6491   0.01221   0.00634  -0.0018   0.9869   0.0353
  -5.500  -0.6148   0.01198   0.00612  -0.0030   0.9847   0.0370
  -5.250  -0.5791   0.01178   0.00592  -0.0046   0.9828   0.0392
  -5.000  -0.5446   0.01144   0.00584  -0.0060   0.9812   0.0783
  -4.750  -0.5167   0.01125   0.00577  -0.0059   0.9765   0.0994
  -4.500  -0.4838   0.01109   0.00571  -0.0068   0.9729   0.1140
  -4.250  -0.4487   0.01095   0.00564  -0.0082   0.9701   0.1255
  -4.000  -0.4124   0.01082   0.00558  -0.0099   0.9678   0.1349
  -3.750  -0.3838   0.01070   0.00548  -0.0098   0.9612   0.1408
  -3.500  -0.3500   0.01058   0.00540  -0.0108   0.9550   0.1488
  -3.250  -0.3107   0.01045   0.00531  -0.0131   0.9437   0.1565
  -3.000  -0.2658   0.01032   0.00522  -0.0166   0.9276   0.1673
  -2.750  -0.2231   0.01023   0.00512  -0.0196   0.8983   0.1793
  -2.500  -0.1929   0.01024   0.00506  -0.0198   0.8572   0.1933
  -2.250  -0.1675   0.01027   0.00502  -0.0190   0.8150   0.2092
  -2.000  -0.1429   0.01029   0.00497  -0.0180   0.7804   0.2239
  -1.750  -0.1177   0.01029   0.00491  -0.0172   0.7553   0.2355
  -1.500  -0.0916   0.01027   0.00484  -0.0167   0.7369   0.2454
  -1.250  -0.0654   0.01021   0.00478  -0.0161   0.7195   0.2574
  -1.000  -0.0393   0.01019   0.00471  -0.0155   0.6995   0.2664
  -0.750  -0.0133   0.01017   0.00466  -0.0149   0.6779   0.2750
  -0.500   0.0131   0.01013   0.00460  -0.0144   0.6549   0.2844
  -0.250   0.0388   0.01011   0.00454  -0.0138   0.6239   0.2970
   0.000   0.0660   0.01097   0.00560  -0.0131   0.5808   0.3383
   0.250   0.0941   0.01179   0.00640  -0.0127   0.5452   0.3944
   0.500   0.1205   0.01186   0.00634  -0.0122   0.5195   0.4019
   0.750   0.1477   0.01226   0.00667  -0.0118   0.4949   0.4054
   1.000   0.1744   0.01232   0.00659  -0.0114   0.4625   0.4105
   1.250   0.1993   0.01301   0.00706  -0.0105   0.3878   0.4117
   1.750   0.2474   0.01428   0.00788  -0.0088   0.2527   0.4156
   2.250   0.3014   0.01512   0.00848  -0.0080   0.2068   0.4218
   2.500   0.3264   0.01510   0.00851  -0.0073   0.1957   0.4244
   2.750   0.3534   0.01548   0.00888  -0.0069   0.1850   0.4296
   3.000   0.3797   0.01570   0.00906  -0.0064   0.1753   0.4353
   3.250   0.4050   0.01561   0.00899  -0.0058   0.1678   0.4377
   3.500   0.4320   0.01590   0.00926  -0.0054   0.1607   0.4417
   3.750   0.4620   0.01695   0.01026  -0.0053   0.1530   0.4436
   4.000   0.4891   0.01714   0.01045  -0.0050   0.1484   0.4438
   4.250   0.5154   0.01729   0.01056  -0.0045   0.1419   0.4438
   4.500   0.5418   0.01746   0.01072  -0.0041   0.1363   0.4439
   4.750   0.5685   0.01763   0.01088  -0.0037   0.1306   0.4440
   5.000   0.5942   0.01779   0.01099  -0.0031   0.1231   0.4441
   5.250   0.6201   0.01779   0.01099  -0.0026   0.1179   0.4441
   5.500   0.6450   0.01787   0.01102  -0.0020   0.1076   0.4441
   5.750   0.6696   0.01798   0.01105  -0.0013   0.0941   0.4441
   6.000   0.6919   0.01827   0.01119  -0.0003   0.0660   0.4441
   6.250   0.7124   0.01877   0.01151   0.0010   0.0408   0.4441
   6.500   0.7359   0.01897   0.01171   0.0019   0.0372   0.4441
   6.750   0.7602   0.01909   0.01185   0.0026   0.0361   0.4441
   7.000   0.7842   0.01926   0.01205   0.0034   0.0350   0.4441
   7.250   0.8078   0.01948   0.01229   0.0043   0.0339   0.4442
   7.500   0.8309   0.01973   0.01256   0.0052   0.0327   0.4442
   7.750   0.8531   0.02005   0.01291   0.0063   0.0316   0.4442
   8.000   0.8748   0.02039   0.01331   0.0074   0.0308   0.4442
   8.250   0.8978   0.02056   0.01352   0.0083   0.0305   0.4442
   8.500   0.9203   0.02077   0.01376   0.0093   0.0301   0.4442
   8.750   0.9426   0.02104   0.01407   0.0103   0.0296   0.4442
   9.000   0.9645   0.02134   0.01442   0.0114   0.0289   0.4443
   9.250   0.9858   0.02166   0.01478   0.0125   0.0283   0.4443
   9.500   1.0061   0.02197   0.01513   0.0138   0.0277   0.4443
   9.750   1.0255   0.02234   0.01553   0.0152   0.0272   0.4443
  10.000   1.0431   0.02281   0.01605   0.0169   0.0267   0.4443
  10.250   1.0555   0.02362   0.01694   0.0192   0.0259   0.4443
  10.500   1.0710   0.02417   0.01755   0.0212   0.0256   0.4443
  10.750   1.0910   0.02437   0.01779   0.0225   0.0252   0.4443
  11.000   1.1085   0.02470   0.01818   0.0241   0.0249   0.4443
  11.250   1.1242   0.02511   0.01865   0.0260   0.0246   0.4443
  11.500   1.1391   0.02548   0.01908   0.0280   0.0242   0.4443
  11.750   1.1507   0.02582   0.01947   0.0306   0.0237   0.4443
  12.000   1.1600   0.02622   0.01992   0.0335   0.0234   0.4443
  12.250   1.1698   0.02667   0.02042   0.0362   0.0230   0.4443
  12.500   1.1807   0.02716   0.02094   0.0386   0.0226   0.4443
  12.750   1.1883   0.02792   0.02175   0.0412   0.0222   0.4443
  13.000   1.1947   0.02876   0.02265   0.0439   0.0220   0.4443
  13.250   1.1930   0.03015   0.02410   0.0471   0.0215   0.4443
  13.500   1.1852   0.03206   0.02611   0.0504   0.0212   0.4443
  13.750   1.1957   0.03269   0.02681   0.0519   0.0210   0.4443
  14.000   1.2000   0.03384   0.02804   0.0537   0.0209   0.4443
  14.250   1.2063   0.03490   0.02918   0.0551   0.0206   0.4443
  14.500   1.2096   0.03628   0.03064   0.0563   0.0204   0.4443
  14.750   1.2118   0.03786   0.03231   0.0573   0.0202   0.4443
  15.000   1.2127   0.03968   0.03422   0.0581   0.0199   0.4443
  15.250   1.2126   0.04172   0.03634   0.0585   0.0197   0.4443
  15.500   1.2118   0.04399   0.03869   0.0586   0.0195   0.4443
  15.750   1.2112   0.04639   0.04117   0.0584   0.0193   0.4443
  16.000   1.2117   0.04886   0.04371   0.0578   0.0190   0.4443
  16.250   1.2069   0.05208   0.04703   0.0568   0.0188   0.4443
  16.500   1.1983   0.05596   0.05100   0.0553   0.0187   0.4443
  16.750   1.1937   0.05957   0.05468   0.0537   0.0184   0.4443
  17.000   1.1849   0.06390   0.05909   0.0516   0.0183   0.4443
  17.250   1.1718   0.06899   0.06429   0.0490   0.0182   0.4443
  17.500   1.1591   0.07436   0.06975   0.0461   0.0181   0.4443
  17.750   1.1470   0.07989   0.07536   0.0430   0.0180   0.4443
  18.000   1.1320   0.08592   0.08148   0.0396   0.0179   0.4443
  18.250   1.1189   0.09183   0.08748   0.0362   0.0178   0.4443
  18.500   1.1021   0.09827   0.09400   0.0325   0.0176   0.4443
  18.750   1.0859   0.10472   0.10054   0.0288   0.0174   0.4443
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