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St. CYR 171 (Royer) (stcyr171-il) Xfoil prediction polar at RE=200,000 Ncrit=5


Details Polar file
Airfoil: St. CYR 171 (Royer) (stcyr171-il)
Reynolds number: 200,000
Max Cl/Cd: 36.94 at α=7.75°
Description: Mach=0 Ncrit=5
Source: Xfoil prediction
Download polar: xf-stcyr171-il-200000-n5.txt
Download as CSV file: xf-stcyr171-il-200000-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 =     0.200 e 6     Ncrit =   5.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -15.750  -0.9044   0.10344   0.09880  -0.0156   1.0000   0.0284
 -15.500  -0.9372   0.09264   0.08783  -0.0223   1.0000   0.0283
 -15.250  -0.9609   0.08402   0.07902  -0.0277   1.0000   0.0284
 -15.000  -0.9796   0.07723   0.07206  -0.0317   1.0000   0.0284
 -14.750  -0.9962   0.07149   0.06617  -0.0349   1.0000   0.0286
 -14.500  -1.0104   0.06656   0.06110  -0.0374   1.0000   0.0287
 -14.250  -1.0232   0.06199   0.05640  -0.0397   1.0000   0.0289
 -14.000  -1.0345   0.05769   0.05197  -0.0418   1.0000   0.0292
 -13.750  -1.0444   0.05353   0.04767  -0.0440   1.0000   0.0295
 -13.500  -1.0532   0.04970   0.04369  -0.0459   1.0000   0.0297
 -13.250  -1.0619   0.04623   0.04006  -0.0472   1.0000   0.0300
 -13.000  -1.0684   0.04345   0.03712  -0.0471   1.0000   0.0303
 -12.750  -1.0730   0.04122   0.03474  -0.0460   1.0000   0.0306
 -12.500  -1.0757   0.03937   0.03274  -0.0440   1.0000   0.0308
 -12.250  -1.0767   0.03784   0.03106  -0.0415   1.0000   0.0311
 -12.000  -1.0765   0.03643   0.02953  -0.0385   1.0000   0.0314
 -11.750  -1.0747   0.03482   0.02787  -0.0356   1.0000   0.0318
 -11.500  -1.0702   0.03339   0.02638  -0.0329   1.0000   0.0322
 -11.250  -1.0638   0.03207   0.02501  -0.0304   1.0000   0.0328
 -11.000  -1.0552   0.03089   0.02378  -0.0281   1.0000   0.0334
 -10.750  -1.0447   0.02980   0.02261  -0.0259   1.0000   0.0341
 -10.500  -1.0331   0.02876   0.02150  -0.0237   1.0000   0.0347
 -10.250  -1.0204   0.02779   0.02044  -0.0216   1.0000   0.0354
 -10.000  -1.0068   0.02686   0.01942  -0.0196   1.0000   0.0359
  -9.750  -0.9923   0.02598   0.01846  -0.0176   1.0000   0.0365
  -9.500  -0.9770   0.02516   0.01754  -0.0157   1.0000   0.0371
  -9.250  -0.9607   0.02440   0.01667  -0.0139   1.0000   0.0377
  -9.000  -0.9436   0.02370   0.01587  -0.0121   1.0000   0.0383
  -8.750  -0.9284   0.02283   0.01496  -0.0101   1.0000   0.0394
  -8.500  -0.9116   0.02207   0.01415  -0.0083   1.0000   0.0405
  -8.250  -0.8937   0.02140   0.01342  -0.0066   1.0000   0.0415
  -8.000  -0.8750   0.02079   0.01273  -0.0050   1.0000   0.0426
  -7.750  -0.8558   0.02024   0.01210  -0.0034   1.0000   0.0438
  -7.500  -0.8362   0.01972   0.01152  -0.0019   1.0000   0.0453
  -7.250  -0.8167   0.01921   0.01098  -0.0003   1.0000   0.0474
  -7.000  -0.7975   0.01868   0.01047   0.0013   1.0000   0.0514
  -6.750  -0.7787   0.01813   0.01002   0.0029   1.0000   0.0618
  -6.500  -0.7591   0.01766   0.00968   0.0044   1.0000   0.0829
  -6.250  -0.7381   0.01732   0.00941   0.0058   1.0000   0.0988
  -6.000  -0.7164   0.01705   0.00915   0.0070   1.0000   0.1086
  -5.750  -0.6944   0.01683   0.00889   0.0082   1.0000   0.1182
  -5.500  -0.6729   0.01659   0.00868   0.0095   1.0000   0.1246
  -5.250  -0.6511   0.01640   0.00846   0.0107   1.0000   0.1306
  -5.000  -0.6293   0.01624   0.00824   0.0119   1.0000   0.1354
  -4.750  -0.6084   0.01603   0.00807   0.0133   1.0000   0.1408
  -4.500  -0.5734   0.01588   0.00792   0.0117   0.9960   0.1489
  -4.250  -0.5367   0.01572   0.00777   0.0099   0.9906   0.1560
  -4.000  -0.5024   0.01554   0.00763   0.0085   0.9849   0.1641
  -3.750  -0.4664   0.01542   0.00751   0.0068   0.9798   0.1721
  -3.500  -0.4344   0.01531   0.00749   0.0060   0.9720   0.1818
  -3.250  -0.3985   0.01525   0.00750   0.0044   0.9657   0.1933
  -3.000  -0.3672   0.01517   0.00748   0.0039   0.9557   0.2057
  -2.750  -0.3331   0.01509   0.00749   0.0028   0.9477   0.2209
  -2.500  -0.3009   0.01502   0.00748   0.0020   0.9376   0.2345
  -2.250  -0.2664   0.01497   0.00749   0.0009   0.9283   0.2476
  -2.000  -0.2292   0.01493   0.00747  -0.0008   0.9180   0.2604
  -1.750  -0.1886   0.01487   0.00745  -0.0031   0.9005   0.2744
  -1.500  -0.1430   0.01492   0.00755  -0.0063   0.8732   0.2895
  -1.250  -0.1006   0.01534   0.00813  -0.0087   0.8400   0.3105
  -1.000  -0.0624   0.01669   0.00979  -0.0096   0.8047   0.3832
  -0.500  -0.0002   0.01741   0.00991  -0.0101   0.7444   0.4149
  -0.250   0.0266   0.01775   0.01017  -0.0094   0.7178   0.4201
   0.000   0.0527   0.01813   0.01042  -0.0086   0.6882   0.4250
   0.250   0.0778   0.01831   0.01051  -0.0077   0.6564   0.4291
   0.500   0.1032   0.01859   0.01067  -0.0068   0.6239   0.4327
   0.750   0.1270   0.01862   0.01058  -0.0057   0.5840   0.4363
   1.000   0.1507   0.01902   0.01077  -0.0045   0.5431   0.4409
   1.250   0.1737   0.01916   0.01077  -0.0034   0.5050   0.4471
   1.500   0.1966   0.01921   0.01070  -0.0022   0.4630   0.4536
   1.750   0.2180   0.01937   0.01060  -0.0009   0.3885   0.4594
   2.000   0.2383   0.01979   0.01064   0.0005   0.3135   0.4653
   2.250   0.2597   0.01977   0.01045   0.0017   0.2759   0.4743
   2.500   0.2777   0.01896   0.00951   0.0033   0.2539   0.5041
   2.750   0.3006   0.01875   0.00922   0.0042   0.2375   0.5119
   3.000   0.3240   0.01862   0.00901   0.0050   0.2250   0.5183
   3.250   0.3485   0.01867   0.00902   0.0057   0.2138   0.5199
   3.500   0.3733   0.01884   0.00914   0.0064   0.2035   0.5220
   3.750   0.3970   0.01873   0.00898   0.0071   0.1935   0.5257
   4.000   0.4217   0.01874   0.00899   0.0078   0.1848   0.5273
   4.250   0.4464   0.01897   0.00916   0.0084   0.1760   0.5306
   4.500   0.4701   0.01874   0.00893   0.0092   0.1699   0.5340
   4.750   0.4950   0.01879   0.00902   0.0098   0.1642   0.5357
   5.000   0.5198   0.01895   0.00920   0.0104   0.1586   0.5362
   5.250   0.5442   0.01917   0.00940   0.0111   0.1533   0.5362
   5.500   0.5696   0.01928   0.00958   0.0116   0.1467   0.5367
   5.750   0.5941   0.01947   0.00977   0.0123   0.1400   0.5377
   6.000   0.6184   0.01963   0.00994   0.0130   0.1345   0.5398
   6.250   0.6428   0.01956   0.00995   0.0136   0.1286   0.5413
   6.500   0.6667   0.01966   0.01005   0.0143   0.1216   0.5427
   6.750   0.6913   0.01980   0.01028   0.0149   0.1147   0.5435
   7.000   0.7152   0.02002   0.01049   0.0156   0.1053   0.5439
   7.250   0.7393   0.02027   0.01079   0.0164   0.0941   0.5435
   7.500   0.7621   0.02065   0.01113   0.0172   0.0779   0.5427
   7.750   0.7836   0.02121   0.01161   0.0182   0.0606   0.5420
   8.000   0.8044   0.02184   0.01219   0.0193   0.0525   0.5414
   8.250   0.8252   0.02244   0.01281   0.0204   0.0488   0.5408
   8.500   0.8452   0.02313   0.01353   0.0216   0.0463   0.5401
   8.750   0.8656   0.02372   0.01423   0.0229   0.0449   0.5396
   9.000   0.8852   0.02435   0.01496   0.0242   0.0436   0.5388
   9.250   0.9038   0.02488   0.01561   0.0255   0.0425   0.5380
   9.500   0.9212   0.02551   0.01634   0.0270   0.0413   0.5375
   9.750   0.9371   0.02624   0.01714   0.0287   0.0401   0.5369
  10.000   0.9505   0.02709   0.01805   0.0307   0.0390   0.5364
  10.250   0.9628   0.02799   0.01903   0.0328   0.0381   0.5359
  10.500   0.9767   0.02875   0.01991   0.0347   0.0376   0.5355
  10.750   0.9889   0.02954   0.02083   0.0368   0.0371   0.5351
  11.000   0.9981   0.03038   0.02178   0.0394   0.0365   0.5346
  11.250   1.0062   0.03125   0.02277   0.0420   0.0358   0.5343
  11.500   1.0139   0.03225   0.02388   0.0444   0.0352   0.5339
  11.750   1.0209   0.03335   0.02510   0.0467   0.0345   0.5336
  12.000   1.0268   0.03455   0.02639   0.0489   0.0339   0.5332
  12.250   1.0317   0.03585   0.02778   0.0509   0.0332   0.5328
  12.500   1.0354   0.03731   0.02931   0.0528   0.0328   0.5325
  12.750   1.0382   0.03893   0.03102   0.0544   0.0323   0.5322
  13.000   1.0401   0.04077   0.03294   0.0558   0.0319   0.5318
  13.250   1.0412   0.04291   0.03515   0.0570   0.0314   0.5316
  13.500   1.0404   0.04514   0.03751   0.0578   0.0310   0.5314
  14.000   1.0349   0.04993   0.04268   0.0582   0.0305   0.5297
  14.250   1.0290   0.05291   0.04584   0.0577   0.0301   0.5294
  14.500   1.0218   0.05632   0.04944   0.0567   0.0298   0.5289
  14.750   1.0128   0.06021   0.05350   0.0551   0.0295   0.5287
  15.000   1.0015   0.06467   0.05813   0.0528   0.0291   0.5283
  15.250   0.9883   0.06974   0.06337   0.0500   0.0289   0.5281
  15.500   0.9727   0.07551   0.06932   0.0466   0.0288   0.5277
  15.750   0.9538   0.08229   0.07627   0.0423   0.0287   0.5273
  16.000   0.9297   0.09056   0.08473   0.0369   0.0286   0.5272
  16.250   0.8991   0.10069   0.09505   0.0303   0.0286   0.5269
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