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SP4621HP (sp4621hp-po) Xfoil prediction polar at RE=5,000,000 Ncrit=9


Details Polar file
Airfoil: SP4621HP (sp4621hp-po)
Reynolds number: 5,000,000
Max Cl/Cd: 178.14 at α=4°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-sp4621hp-po-5000000.txt
Download as CSV file: xf-sp4621hp-po-5000000.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: SP4621HP                                        
  
 1 1 Reynolds number fixed          Mach number fixed         
  
 xtrf =   1.000 (top)        1.000 (bottom)  
 Mach =   0.000     Re =     5.000 e 6     Ncrit =   9.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -19.750  -1.2429   0.05489   0.05133  -0.0917   1.0005   0.0065
 -19.500  -1.2389   0.05311   0.04952  -0.0915   1.0005   0.0065
 -19.250  -1.2365   0.05128   0.04766  -0.0911   1.0005   0.0066
 -19.000  -1.2271   0.04957   0.04591  -0.0916   1.0003   0.0067
 -18.750  -1.2144   0.04778   0.04410  -0.0929   1.0001   0.0069
 -18.500  -1.2030   0.04583   0.04211  -0.0942   0.9997   0.0071
 -18.250  -1.1894   0.04418   0.04045  -0.0953   0.9993   0.0073
 -18.000  -1.1737   0.04274   0.03899  -0.0964   0.9988   0.0075
 -17.750  -1.1572   0.04132   0.03756  -0.0976   0.9981   0.0077
 -17.500  -1.1406   0.03987   0.03610  -0.0989   0.9972   0.0079
 -17.250  -1.1239   0.03836   0.03457  -0.1003   0.9963   0.0080
 -17.000  -1.1037   0.03714   0.03334  -0.1018   0.9952   0.0082
 -16.750  -1.0827   0.03597   0.03217  -0.1033   0.9939   0.0083
 -16.500  -1.0653   0.03490   0.03108  -0.1039   0.9910   0.0084
 -16.250  -1.0471   0.03381   0.02997  -0.1047   0.9857   0.0085
 -16.000  -1.0296   0.03265   0.02878  -0.1056   0.9777   0.0085
 -15.750  -1.0160   0.03164   0.02769  -0.1053   0.9480   0.0088
 -15.500  -1.0062   0.03116   0.02670  -0.1041   0.8019   0.0092
 -15.250  -0.9904   0.03031   0.02575  -0.1042   0.7708   0.0096
 -15.000  -0.9741   0.02942   0.02480  -0.1044   0.7544   0.0099
 -14.750  -0.9579   0.02846   0.02381  -0.1047   0.7429   0.0102
 -14.500  -0.9408   0.02761   0.02291  -0.1049   0.7309   0.0105
 -14.250  -0.9223   0.02684   0.02212  -0.1052   0.7245   0.0107
 -14.000  -0.9035   0.02611   0.02136  -0.1055   0.7162   0.0108
 -13.750  -0.8860   0.02529   0.02051  -0.1057   0.7100   0.0112
 -13.500  -0.8692   0.02438   0.01959  -0.1060   0.7045   0.0119
 -13.250  -0.8519   0.02357   0.01875  -0.1062   0.6972   0.0123
 -13.000  -0.8335   0.02283   0.01801  -0.1064   0.6921   0.0127
 -12.750  -0.8147   0.02210   0.01727  -0.1066   0.6883   0.0131
 -12.500  -0.7965   0.02134   0.01649  -0.1068   0.6835   0.0133
 -12.250  -0.7804   0.02060   0.01572  -0.1066   0.6774   0.0137
 -12.000  -0.7617   0.01987   0.01499  -0.1070   0.6742   0.0145
 -11.750  -0.7396   0.01911   0.01424  -0.1079   0.6714   0.0152
 -11.500  -0.7162   0.01838   0.01349  -0.1090   0.6676   0.0158
 -11.250  -0.6911   0.01777   0.01286  -0.1102   0.6624   0.0162
 -11.000  -0.6654   0.01709   0.01217  -0.1117   0.6571   0.0169
 -10.750  -0.6384   0.01632   0.01142  -0.1135   0.6548   0.0180
 -10.500  -0.6102   0.01568   0.01077  -0.1153   0.6515   0.0189
 -10.250  -0.5809   0.01505   0.01013  -0.1172   0.6477   0.0195
 -10.000  -0.5508   0.01437   0.00945  -0.1194   0.6431   0.0213
  -9.750  -0.5194   0.01374   0.00881  -0.1217   0.6391   0.0225
  -9.500  -0.4872   0.01319   0.00826  -0.1240   0.6373   0.0235
  -9.250  -0.4535   0.01252   0.00760  -0.1268   0.6345   0.0256
  -9.000  -0.4196   0.01199   0.00705  -0.1294   0.6308   0.0268
  -8.750  -0.3846   0.01143   0.00648  -0.1322   0.6264   0.0289
  -8.500  -0.3487   0.01090   0.00595  -0.1352   0.6216   0.0308
  -8.250  -0.3119   0.01039   0.00545  -0.1382   0.6202   0.0332
  -8.000  -0.2742   0.00989   0.00496  -0.1415   0.6182   0.0360
  -7.750  -0.2368   0.00947   0.00454  -0.1445   0.6154   0.0398
  -7.500  -0.2019   0.00919   0.00426  -0.1466   0.6120   0.0435
  -7.250  -0.1668   0.00891   0.00398  -0.1487   0.6076   0.0483
  -7.000  -0.1321   0.00866   0.00375  -0.1508   0.6038   0.0537
  -6.750  -0.0979   0.00846   0.00356  -0.1525   0.6021   0.0581
  -6.500  -0.0635   0.00824   0.00336  -0.1543   0.5996   0.0639
  -6.250  -0.0294   0.00805   0.00319  -0.1560   0.5962   0.0706
  -6.000   0.0039   0.00791   0.00304  -0.1575   0.5922   0.0764
  -5.750   0.0378   0.00774   0.00289  -0.1592   0.5876   0.0845
  -5.500   0.0717   0.00758   0.00276  -0.1607   0.5858   0.0933
  -5.250   0.1051   0.00744   0.00264  -0.1622   0.5838   0.1018
  -5.000   0.1387   0.00729   0.00252  -0.1637   0.5810   0.1116
  -4.750   0.1723   0.00715   0.00240  -0.1652   0.5774   0.1251
  -4.500   0.2057   0.00702   0.00230  -0.1666   0.5729   0.1398
  -4.250   0.2399   0.00684   0.00218  -0.1683   0.5692   0.1638
  -4.000   0.2761   0.00655   0.00201  -0.1706   0.5678   0.2074
  -3.750   0.3277   0.00525   0.00140  -0.1774   0.5656   0.4371
  -3.500   0.3588   0.00526   0.00140  -0.1781   0.5627   0.4423
  -3.250   0.3901   0.00527   0.00141  -0.1789   0.5593   0.4496
  -3.000   0.4210   0.00530   0.00142  -0.1796   0.5547   0.4528
  -2.750   0.4518   0.00534   0.00144  -0.1802   0.5517   0.4549
  -2.500   0.4827   0.00536   0.00145  -0.1809   0.5498   0.4561
  -2.250   0.5135   0.00539   0.00147  -0.1815   0.5471   0.4566
  -2.000   0.5441   0.00544   0.00149  -0.1821   0.5436   0.4574
  -1.750   0.5750   0.00546   0.00150  -0.1828   0.5395   0.4596
  -1.500   0.6059   0.00549   0.00151  -0.1835   0.5351   0.4617
  -1.250   0.6369   0.00550   0.00153  -0.1842   0.5336   0.4645
  -1.000   0.6676   0.00553   0.00156  -0.1849   0.5312   0.4670
  -0.750   0.6982   0.00558   0.00159  -0.1855   0.5278   0.4679
  -0.500   0.7285   0.00563   0.00163  -0.1861   0.5234   0.4688
  -0.250   0.7588   0.00569   0.00166  -0.1866   0.5183   0.4697
   0.000   0.7896   0.00571   0.00168  -0.1873   0.5168   0.4700
   0.250   0.8202   0.00574   0.00170  -0.1879   0.5143   0.4702
   0.500   0.8506   0.00578   0.00173  -0.1885   0.5105   0.4704
   0.750   0.8805   0.00587   0.00178  -0.1890   0.5027   0.4706
   1.000   0.9109   0.00591   0.00181  -0.1896   0.4988   0.4708
   1.250   0.9410   0.00597   0.00185  -0.1902   0.4938   0.4710
   1.500   0.9706   0.00607   0.00190  -0.1906   0.4842   0.4712
   1.750   1.0006   0.00613   0.00195  -0.1912   0.4784   0.4714
   2.000   1.0299   0.00625   0.00201  -0.1916   0.4699   0.4716
   2.250   1.0598   0.00631   0.00206  -0.1921   0.4646   0.4718
   2.500   1.0891   0.00641   0.00213  -0.1925   0.4570   0.4720
   2.750   1.1185   0.00651   0.00220  -0.1930   0.4499   0.4721
   3.000   1.1480   0.00659   0.00226  -0.1934   0.4442   0.4723
   3.250   1.1767   0.00673   0.00236  -0.1937   0.4345   0.4724
   3.500   1.2061   0.00681   0.00243  -0.1941   0.4290   0.4726
   3.750   1.2342   0.00697   0.00254  -0.1943   0.4177   0.4727
   4.000   1.2630   0.00709   0.00263  -0.1946   0.4096   0.4728
   4.250   1.2907   0.00727   0.00275  -0.1948   0.3972   0.4729
   4.500   1.3178   0.00750   0.00290  -0.1948   0.3819   0.4730
   4.750   1.3437   0.00779   0.00310  -0.1946   0.3612   0.4731
   5.000   1.3674   0.00822   0.00337  -0.1940   0.3316   0.4736
   5.250   1.3882   0.00882   0.00376  -0.1929   0.2920   0.4744
   5.500   1.4068   0.00952   0.00422  -0.1914   0.2468   0.4752
   5.750   1.4243   0.01024   0.00471  -0.1897   0.2037   0.4761
   6.000   1.4434   0.01082   0.00512  -0.1882   0.1722   0.4770
   6.250   1.4642   0.01127   0.00547  -0.1871   0.1517   0.4779
   6.500   1.4862   0.01163   0.00576  -0.1862   0.1379   0.4789
   6.750   1.5082   0.01196   0.00604  -0.1852   0.1269   0.4798
   7.000   1.5292   0.01232   0.00634  -0.1841   0.1168   0.4807
   7.250   1.5517   0.01258   0.00658  -0.1833   0.1117   0.4816
   7.500   1.5711   0.01292   0.00688  -0.1819   0.1048   0.4824
   7.750   1.5915   0.01317   0.00714  -0.1806   0.1007   0.4831
   8.000   1.6065   0.01346   0.00742  -0.1783   0.0974   0.4838
   8.250   1.6209   0.01384   0.00778  -0.1759   0.0925   0.4845
   8.500   1.6395   0.01417   0.00811  -0.1744   0.0893   0.4851
   8.750   1.6587   0.01450   0.00844  -0.1730   0.0876   0.4858
   9.000   1.6757   0.01492   0.00885  -0.1713   0.0850   0.4864
   9.250   1.6916   0.01539   0.00931  -0.1694   0.0811   0.4869
   9.500   1.7086   0.01583   0.00975  -0.1678   0.0782   0.4874
   9.750   1.7267   0.01624   0.01017  -0.1664   0.0773   0.4879
  10.000   1.7433   0.01672   0.01066  -0.1648   0.0758   0.4884
  10.250   1.7578   0.01732   0.01126  -0.1629   0.0735   0.4887
  10.500   1.7714   0.01799   0.01192  -0.1610   0.0707   0.4890
  10.750   1.7863   0.01863   0.01257  -0.1593   0.0680   0.4893
  11.000   1.8015   0.01926   0.01322  -0.1578   0.0674   0.4896
  11.250   1.8165   0.01995   0.01392  -0.1562   0.0665   0.4898
  11.500   1.8298   0.02076   0.01475  -0.1546   0.0651   0.4900
  11.750   1.8411   0.02174   0.01574  -0.1528   0.0633   0.4915
  12.000   1.8511   0.02286   0.01686  -0.1510   0.0605   0.4931
  12.250   1.8632   0.02389   0.01792  -0.1495   0.0589   0.4949
  12.500   1.8763   0.02491   0.01897  -0.1482   0.0584   0.4968
  12.750   1.8880   0.02607   0.02016  -0.1470   0.0574   0.4984
  13.000   1.8979   0.02743   0.02154  -0.1456   0.0561   0.4999
  13.250   1.9053   0.02902   0.02316  -0.1441   0.0544   0.5012
  13.500   1.9125   0.03070   0.02485  -0.1427   0.0524   0.5025
  13.750   1.9211   0.03230   0.02649  -0.1416   0.0509   0.5036
  14.000   1.9303   0.03389   0.02811  -0.1405   0.0503   0.5047
  14.250   1.9379   0.03563   0.02988  -0.1394   0.0495   0.5056
  14.500   1.9433   0.03755   0.03183  -0.1381   0.0483   0.5063
  14.750   1.9456   0.03976   0.03405  -0.1367   0.0464   0.5067
  15.000   1.9489   0.04190   0.03621  -0.1354   0.0445   0.5071
  15.250   1.9531   0.04402   0.03837  -0.1343   0.0434   0.5088
  15.500   1.9581   0.04606   0.04045  -0.1332   0.0426   0.5118
  15.750   1.9609   0.04829   0.04272  -0.1321   0.0415   0.5145
  16.000   1.9604   0.05092   0.04538  -0.1309   0.0400   0.5168
  16.250   1.9619   0.05334   0.04783  -0.1298   0.0382   0.5187
  16.500   1.9641   0.05577   0.05030  -0.1288   0.0374   0.5206
  16.750   1.9677   0.05803   0.05260  -0.1279   0.0365   0.5222
  17.000   1.9660   0.06085   0.05544  -0.1269   0.0348   0.5235
  17.250   1.9620   0.06396   0.05858  -0.1258   0.0327   0.5244
  17.500   1.9640   0.06642   0.06107  -0.1250   0.0315   0.5255
  17.750   1.9615   0.06946   0.06414  -0.1242   0.0300   0.5292
  18.000   1.9582   0.07252   0.06723  -0.1233   0.0276   0.5327
  18.250   1.9559   0.07556   0.07031  -0.1227   0.0264   0.5357
  18.500   1.9509   0.07885   0.07362  -0.1219   0.0238   0.5381
  18.750   1.9467   0.08218   0.07698  -0.1213   0.0223   0.5403
  19.000   1.9401   0.08572   0.08054  -0.1207   0.0196   0.5420
  19.250   1.9347   0.08919   0.08405  -0.1203   0.0180   0.5436
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