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St. CYR 172 (Royer) (stcyr172-il) Xfoil prediction polar at RE=200,000 Ncrit=9


Details Polar file
Airfoil: St. CYR 172 (Royer) (stcyr172-il)
Reynolds number: 200,000
Max Cl/Cd: 51.65 at α=7°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-stcyr172-il-200000.txt
Download as CSV file: xf-stcyr172-il-200000.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 =   9.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -16.250  -0.8920   0.10642   0.10187  -0.0270   1.0000   0.0560
 -16.000  -0.9447   0.09305   0.08831  -0.0354   1.0000   0.0553
 -15.750  -0.9894   0.08240   0.07743  -0.0424   1.0000   0.0549
 -15.500  -1.0235   0.07429   0.06910  -0.0474   1.0000   0.0545
 -15.250  -1.0531   0.06756   0.06214  -0.0512   1.0000   0.0545
 -15.000  -1.0768   0.06219   0.05654  -0.0535   1.0000   0.0545
 -14.750  -1.0959   0.05781   0.05194  -0.0547   1.0000   0.0545
 -14.500  -1.1138   0.05403   0.04793  -0.0549   1.0000   0.0548
 -14.250  -1.1272   0.05096   0.04463  -0.0542   1.0000   0.0550
 -14.000  -1.1408   0.04837   0.04180  -0.0526   1.0000   0.0554
 -13.750  -1.1514   0.04619   0.03940  -0.0504   1.0000   0.0557
 -13.500  -1.1610   0.04442   0.03740  -0.0474   1.0000   0.0560
 -13.250  -1.1589   0.04187   0.03468  -0.0455   1.0000   0.0566
 -13.000  -1.1400   0.03958   0.03241  -0.0453   1.0000   0.0578
 -12.750  -1.1298   0.03801   0.03078  -0.0437   1.0000   0.0587
 -12.500  -1.1216   0.03657   0.02924  -0.0417   1.0000   0.0595
 -12.250  -1.1131   0.03519   0.02776  -0.0395   1.0000   0.0604
 -12.000  -1.1050   0.03394   0.02638  -0.0371   1.0000   0.0614
 -11.750  -1.0978   0.03279   0.02510  -0.0344   1.0000   0.0625
 -11.500  -1.0891   0.03173   0.02389  -0.0317   1.0000   0.0634
 -11.250  -1.0769   0.03059   0.02261  -0.0296   1.0000   0.0642
 -11.000  -1.0554   0.02880   0.02088  -0.0292   1.0000   0.0657
 -10.750  -1.0400   0.02767   0.01977  -0.0275   1.0000   0.0670
 -10.500  -1.0261   0.02669   0.01878  -0.0255   1.0000   0.0685
 -10.250  -1.0128   0.02578   0.01783  -0.0233   1.0000   0.0702
 -10.000  -0.9991   0.02494   0.01690  -0.0211   1.0000   0.0717
  -9.750  -0.9858   0.02399   0.01591  -0.0188   1.0000   0.0733
  -9.500  -0.9753   0.02292   0.01491  -0.0162   1.0000   0.0752
  -9.250  -0.9633   0.02210   0.01410  -0.0136   1.0000   0.0772
  -9.000  -0.9505   0.02137   0.01334  -0.0110   1.0000   0.0798
  -8.750  -0.9370   0.02067   0.01259  -0.0085   1.0000   0.0826
  -8.500  -0.9265   0.01982   0.01182  -0.0057   1.0000   0.0863
  -8.250  -0.9127   0.01918   0.01116  -0.0032   1.0000   0.0911
  -8.000  -0.9003   0.01846   0.01052  -0.0005   1.0000   0.0974
  -7.750  -0.8871   0.01779   0.00993   0.0021   1.0000   0.1085
  -7.500  -0.8736   0.01716   0.00945   0.0047   1.0000   0.1314
  -7.250  -0.8587   0.01669   0.00908   0.0070   1.0000   0.1592
  -7.000  -0.8434   0.01633   0.00878   0.0093   1.0000   0.1786
  -6.750  -0.8267   0.01606   0.00850   0.0113   1.0000   0.1927
  -6.500  -0.8090   0.01586   0.00824   0.0133   1.0000   0.2044
  -6.250  -0.7921   0.01560   0.00802   0.0153   1.0000   0.2150
  -6.000  -0.7744   0.01536   0.00779   0.0171   1.0000   0.2246
  -5.750  -0.7558   0.01520   0.00758   0.0189   1.0000   0.2350
  -5.500  -0.7382   0.01495   0.00741   0.0208   1.0000   0.2450
  -5.250  -0.7197   0.01476   0.00723   0.0225   1.0000   0.2557
  -5.000  -0.7010   0.01459   0.00705   0.0242   1.0000   0.2668
  -4.750  -0.6829   0.01438   0.00692   0.0260   1.0000   0.2783
  -4.500  -0.6645   0.01421   0.00679   0.0277   1.0000   0.2911
  -4.250  -0.6460   0.01407   0.00667   0.0294   1.0000   0.3048
  -4.000  -0.6277   0.01396   0.00659   0.0310   1.0000   0.3200
  -3.750  -0.5882   0.01392   0.00665   0.0284   0.9948   0.3408
  -3.500  -0.5463   0.01385   0.00666   0.0255   0.9878   0.3628
  -3.250  -0.5018   0.01379   0.00666   0.0220   0.9817   0.3846
  -3.000  -0.4626   0.01358   0.00651   0.0197   0.9731   0.4039
  -2.750  -0.4211   0.01333   0.00634   0.0170   0.9654   0.4216
  -2.500  -0.3783   0.01303   0.00612   0.0141   0.9576   0.4394
  -2.250  -0.3397   0.01271   0.00590   0.0121   0.9482   0.4571
  -2.000  -0.2936   0.01234   0.00565   0.0087   0.9418   0.4764
  -1.750  -0.2557   0.01197   0.00539   0.0070   0.9315   0.4955
  -1.500  -0.2064   0.01152   0.00509   0.0031   0.9256   0.5196
  -1.250  -0.1684   0.01111   0.00487   0.0016   0.9132   0.5463
  -1.000  -0.1293   0.01070   0.00467  -0.0001   0.8996   0.5806
  -0.750  -0.0933   0.01033   0.00450  -0.0011   0.8820   0.6234
  -0.500  -0.0604   0.00999   0.00436  -0.0014   0.8595   0.6712
  -0.250  -0.0332   0.00969   0.00427  -0.0002   0.8268   0.7228
   0.000   0.0000   0.00953   0.00427   0.0000   0.7798   0.7795
   0.250   0.0332   0.00969   0.00428   0.0002   0.7228   0.8269
   0.500   0.0604   0.00999   0.00436   0.0014   0.6714   0.8595
   0.750   0.0932   0.01033   0.00450   0.0012   0.6232   0.8820
   1.000   0.1293   0.01070   0.00467   0.0002   0.5805   0.8995
   1.250   0.1685   0.01111   0.00487  -0.0016   0.5465   0.9132
   1.500   0.2064   0.01152   0.00509  -0.0031   0.5195   0.9256
   1.750   0.2554   0.01197   0.00539  -0.0070   0.4955   0.9314
   2.000   0.2934   0.01234   0.00564  -0.0087   0.4765   0.9418
   2.250   0.3398   0.01271   0.00590  -0.0121   0.4571   0.9482
   2.500   0.3788   0.01304   0.00613  -0.0142   0.4395   0.9577
   2.750   0.4212   0.01333   0.00634  -0.0170   0.4215   0.9655
   3.000   0.4623   0.01357   0.00650  -0.0196   0.4039   0.9730
   3.250   0.5018   0.01378   0.00666  -0.0220   0.3845   0.9817
   3.500   0.5466   0.01384   0.00666  -0.0255   0.3626   0.9879
   3.750   0.5887   0.01391   0.00665  -0.0285   0.3409   0.9949
   4.000   0.6277   0.01396   0.00659  -0.0310   0.3201   1.0000
   4.250   0.6459   0.01407   0.00667  -0.0293   0.3049   1.0000
   4.500   0.6644   0.01421   0.00679  -0.0277   0.2910   1.0000
   4.750   0.6828   0.01438   0.00692  -0.0260   0.2782   1.0000
   5.000   0.7009   0.01459   0.00705  -0.0242   0.2668   1.0000
   5.250   0.7197   0.01476   0.00723  -0.0225   0.2560   1.0000
   5.500   0.7381   0.01495   0.00741  -0.0208   0.2451   1.0000
   5.750   0.7557   0.01520   0.00758  -0.0189   0.2351   1.0000
   6.000   0.7743   0.01536   0.00779  -0.0171   0.2246   1.0000
   6.250   0.7920   0.01560   0.00802  -0.0153   0.2151   1.0000
   6.500   0.8090   0.01585   0.00824  -0.0133   0.2046   1.0000
   6.750   0.8267   0.01606   0.00850  -0.0113   0.1927   1.0000
   7.000   0.8434   0.01633   0.00877  -0.0093   0.1785   1.0000
   7.250   0.8588   0.01669   0.00908  -0.0070   0.1594   1.0000
   7.500   0.8736   0.01716   0.00945  -0.0047   0.1315   1.0000
   7.750   0.8871   0.01779   0.00993  -0.0021   0.1086   1.0000
   8.000   0.9003   0.01846   0.01052   0.0005   0.0975   1.0000
   8.250   0.9128   0.01918   0.01116   0.0032   0.0912   1.0000
   8.500   0.9265   0.01982   0.01182   0.0057   0.0864   1.0000
   8.750   0.9371   0.02066   0.01259   0.0085   0.0827   1.0000
   9.000   0.9505   0.02137   0.01334   0.0110   0.0798   1.0000
   9.250   0.9634   0.02210   0.01410   0.0136   0.0773   1.0000
   9.500   0.9753   0.02291   0.01491   0.0161   0.0752   1.0000
   9.750   0.9860   0.02398   0.01590   0.0188   0.0733   1.0000
  10.000   0.9993   0.02493   0.01690   0.0211   0.0718   1.0000
  10.250   1.0130   0.02578   0.01783   0.0233   0.0702   1.0000
  10.500   1.0265   0.02670   0.01879   0.0255   0.0686   1.0000
  10.750   1.0403   0.02767   0.01978   0.0274   0.0671   1.0000
  11.000   1.0556   0.02880   0.02089   0.0291   0.0657   1.0000
  11.250   1.0768   0.03053   0.02255   0.0296   0.0643   1.0000
  11.500   1.0889   0.03171   0.02387   0.0317   0.0633   1.0000
  11.750   1.0972   0.03277   0.02509   0.0344   0.0623   1.0000
  12.000   1.1055   0.03394   0.02639   0.0370   0.0614   1.0000
  12.250   1.1135   0.03519   0.02776   0.0394   0.0604   1.0000
  12.500   1.1221   0.03656   0.02924   0.0416   0.0595   1.0000
  12.750   1.1304   0.03802   0.03078   0.0436   0.0586   1.0000
  13.000   1.1408   0.03957   0.03239   0.0452   0.0578   1.0000
  13.250   1.1593   0.04184   0.03465   0.0454   0.0566   1.0000
  13.500   1.1600   0.04434   0.03733   0.0475   0.0559   1.0000
  13.750   1.1498   0.04608   0.03930   0.0505   0.0556   1.0000
  14.000   1.1386   0.04830   0.04175   0.0527   0.0552   1.0000
  14.250   1.1278   0.05094   0.04462   0.0541   0.0549   1.0000
  14.500   1.1141   0.05406   0.04796   0.0548   0.0547   1.0000
  14.750   1.0968   0.05781   0.05194   0.0545   0.0545   1.0000
  15.000   1.0767   0.06230   0.05666   0.0533   0.0544   1.0000
  15.250   1.0532   0.06768   0.06226   0.0509   0.0544   1.0000
  15.500   1.0239   0.07440   0.06922   0.0471   0.0545   1.0000
  15.750   0.9887   0.08271   0.07776   0.0419   0.0548   1.0000
  16.000   0.9444   0.09338   0.08864   0.0349   0.0553   1.0000
  16.250   0.8919   0.10678   0.10223   0.0266   0.0560   1.0000
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