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SP4721LA (sp4721la-po) Xfoil prediction polar at RE=5,000,000 Ncrit=9


Details Polar file
Airfoil: SP4721LA (sp4721la-po)
Reynolds number: 5,000,000
Max Cl/Cd: 157.3 at α=2.75°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-sp4721la-po-5000000.txt
Download as CSV file: xf-sp4721la-po-5000000.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: SP4721LA                                        
  
 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
  ------ -------- --------- --------- -------- -------- --------
 -19.250  -0.6233   0.11825   0.11644  -0.0877   0.9775   0.0014
 -19.000  -0.6532   0.10840   0.10647  -0.0926   0.9773   0.0014
 -18.750  -0.6769   0.09958   0.09754  -0.0970   0.9771   0.0013
 -18.500  -0.7019   0.09106   0.08888  -0.1013   0.9767   0.0013
 -18.250  -0.7167   0.08509   0.08283  -0.1041   0.9758   0.0013
 -18.000  -0.7343   0.07925   0.07688  -0.1064   0.9745   0.0013
 -17.750  -0.7445   0.07471   0.07227  -0.1079   0.9731   0.0013
 -17.500  -0.7518   0.07066   0.06815  -0.1093   0.9717   0.0013
 -17.250  -0.7618   0.06625   0.06364  -0.1110   0.9704   0.0013
 -17.000  -0.7677   0.06235   0.05967  -0.1126   0.9688   0.0013
 -16.750  -0.7741   0.05856   0.05579  -0.1140   0.9680   0.0014
 -16.500  -0.7706   0.05594   0.05313  -0.1149   0.9676   0.0014
 -16.250  -0.7712   0.05297   0.05009  -0.1159   0.9667   0.0014
 -16.000  -0.7691   0.05043   0.04749  -0.1165   0.9655   0.0014
 -15.750  -0.7708   0.04750   0.04450  -0.1173   0.9640   0.0014
 -15.500  -0.7652   0.04540   0.04234  -0.1177   0.9625   0.0014
 -15.250  -0.7647   0.04285   0.03973  -0.1182   0.9609   0.0014
 -15.000  -0.7603   0.04075   0.03757  -0.1185   0.9592   0.0014
 -14.750  -0.7548   0.03876   0.03552  -0.1188   0.9568   0.0014
 -14.500  -0.7472   0.03698   0.03368  -0.1192   0.9542   0.0014
 -14.250  -0.7394   0.03517   0.03182  -0.1196   0.9533   0.0014
 -14.000  -0.7297   0.03353   0.03014  -0.1200   0.9520   0.0014
 -13.750  -0.7180   0.03214   0.02872  -0.1202   0.9500   0.0014
 -13.500  -0.7070   0.03071   0.02725  -0.1204   0.9472   0.0014
 -13.250  -0.6958   0.02935   0.02584  -0.1205   0.9437   0.0014
 -13.000  -0.6820   0.02823   0.02468  -0.1206   0.9397   0.0014
 -12.750  -0.6694   0.02695   0.02336  -0.1208   0.9374   0.0014
 -12.500  -0.6558   0.02579   0.02217  -0.1210   0.9329   0.0014
 -12.250  -0.6409   0.02481   0.02113  -0.1210   0.9255   0.0014
 -12.000  -0.6256   0.02386   0.02013  -0.1210   0.9152   0.0014
 -11.750  -0.6107   0.02296   0.01913  -0.1209   0.8948   0.0014
 -11.500  -0.5940   0.02217   0.01824  -0.1210   0.8730   0.0014
 -11.250  -0.5781   0.02130   0.01728  -0.1211   0.8555   0.0014
 -11.000  -0.5616   0.02048   0.01639  -0.1211   0.8417   0.0014
 -10.750  -0.5484   0.01964   0.01546  -0.1207   0.8284   0.0014
 -10.500  -0.5287   0.01897   0.01474  -0.1212   0.8150   0.0014
 -10.250  -0.5078   0.01816   0.01386  -0.1221   0.8028   0.0015
 -10.000  -0.4840   0.01743   0.01309  -0.1234   0.7914   0.0015
  -9.750  -0.4590   0.01677   0.01237  -0.1248   0.7796   0.0015
  -9.500  -0.4327   0.01612   0.01168  -0.1264   0.7684   0.0015
  -9.250  -0.4049   0.01542   0.01094  -0.1284   0.7592   0.0015
  -9.000  -0.3762   0.01478   0.01025  -0.1304   0.7480   0.0015
  -8.750  -0.3461   0.01412   0.00956  -0.1327   0.7387   0.0015
  -8.500  -0.3149   0.01345   0.00884  -0.1352   0.7286   0.0016
  -8.250  -0.2829   0.01283   0.00818  -0.1377   0.7173   0.0016
  -8.000  -0.2496   0.01220   0.00751  -0.1405   0.7077   0.0016
  -7.750  -0.2157   0.01158   0.00684  -0.1433   0.6961   0.0016
  -7.500  -0.1809   0.01100   0.00621  -0.1462   0.6834   0.0016
  -7.250  -0.1448   0.01040   0.00556  -0.1495   0.6713   0.0017
  -7.000  -0.1103   0.01000   0.00509  -0.1519   0.6583   0.0017
  -6.750  -0.0773   0.00973   0.00477  -0.1538   0.6449   0.0017
  -6.500  -0.0448   0.00953   0.00451  -0.1554   0.6307   0.0018
  -6.250  -0.0121   0.00932   0.00426  -0.1570   0.6184   0.0019
  -6.000   0.0202   0.00915   0.00406  -0.1585   0.6065   0.0020
  -5.750   0.0525   0.00900   0.00385  -0.1599   0.5945   0.0020
  -5.500   0.0846   0.00887   0.00368  -0.1613   0.5833   0.0021
  -5.250   0.1168   0.00873   0.00351  -0.1626   0.5746   0.0023
  -5.000   0.1485   0.00864   0.00338  -0.1638   0.5638   0.0024
  -4.750   0.1807   0.00852   0.00324  -0.1651   0.5574   0.0025
  -4.500   0.2122   0.00844   0.00314  -0.1662   0.5484   0.0026
  -4.250   0.2441   0.00835   0.00303  -0.1673   0.5424   0.0027
  -4.000   0.2757   0.00828   0.00294  -0.1684   0.5354   0.0029
  -3.750   0.3072   0.00821   0.00285  -0.1694   0.5281   0.0032
  -3.500   0.3388   0.00814   0.00277  -0.1705   0.5234   0.0033
  -3.250   0.3701   0.00809   0.00270  -0.1715   0.5172   0.0035
  -3.000   0.4014   0.00804   0.00264  -0.1725   0.5112   0.0038
  -2.750   0.4330   0.00798   0.00257  -0.1735   0.5076   0.0044
  -2.500   0.4671   0.00774   0.00241  -0.1753   0.5026   0.0461
  -2.250   0.4986   0.00767   0.00236  -0.1763   0.4961   0.0598
  -2.000   0.5318   0.00750   0.00228  -0.1778   0.4932   0.0943
  -1.750   0.5814   0.00612   0.00172  -0.1844   0.4893   0.4078
  -1.500   0.6126   0.00607   0.00172  -0.1853   0.4843   0.4334
  -1.250   0.6431   0.00608   0.00175  -0.1861   0.4781   0.4458
  -1.000   0.6736   0.00610   0.00177  -0.1867   0.4758   0.4528
  -0.750   0.7039   0.00612   0.00180  -0.1874   0.4722   0.4598
  -0.500   0.7337   0.00619   0.00184  -0.1879   0.4676   0.4627
  -0.250   0.7633   0.00626   0.00188  -0.1884   0.4621   0.4636
   0.000   0.7933   0.00629   0.00191  -0.1889   0.4601   0.4643
   0.250   0.8233   0.00634   0.00195  -0.1895   0.4579   0.4648
   0.500   0.8529   0.00639   0.00199  -0.1899   0.4548   0.4652
   0.750   0.8823   0.00646   0.00203  -0.1904   0.4504   0.4673
   1.000   0.9116   0.00653   0.00209  -0.1908   0.4444   0.4698
   1.250   0.9414   0.00657   0.00213  -0.1914   0.4416   0.4721
   1.500   0.9704   0.00665   0.00219  -0.1918   0.4368   0.4739
   1.750   0.9990   0.00674   0.00225  -0.1921   0.4304   0.4756
   2.000   1.0283   0.00680   0.00231  -0.1925   0.4271   0.4770
   2.250   1.0574   0.00686   0.00237  -0.1929   0.4238   0.4783
   2.500   1.0855   0.00698   0.00245  -0.1931   0.4170   0.4793
   2.750   1.1137   0.00708   0.00252  -0.1933   0.4111   0.4801
   3.000   1.1404   0.00725   0.00263  -0.1932   0.3978   0.4807
   3.250   1.1658   0.00749   0.00277  -0.1929   0.3785   0.4811
   3.500   1.1890   0.00784   0.00298  -0.1922   0.3507   0.4836
   3.750   1.1925   0.00922   0.00379  -0.1878   0.2429   0.4858
   4.000   1.2026   0.01022   0.00441  -0.1846   0.1700   0.4879
   4.250   1.2122   0.01111   0.00499  -0.1813   0.1093   0.4897
   4.500   1.2182   0.01177   0.00547  -0.1771   0.0711   0.4912
   4.750   1.2196   0.01296   0.00641  -0.1722   0.0073   0.4925
   5.000   1.2410   0.01327   0.00671  -0.1712   0.0027   0.4938
   5.250   1.2631   0.01354   0.00697  -0.1703   0.0022   0.4950
   5.500   1.2847   0.01383   0.00724  -0.1693   0.0019   0.4958
   5.750   1.3051   0.01416   0.00757  -0.1681   0.0004   0.4965
   6.000   1.3261   0.01448   0.00787  -0.1671   0.0003   0.4969
   6.250   1.3471   0.01480   0.00819  -0.1661   0.0003   0.4980
   6.500   1.3677   0.01513   0.00852  -0.1650   0.0003   0.5007
   6.750   1.3871   0.01551   0.00891  -0.1638   0.0000   0.5033
   7.000   1.4068   0.01589   0.00929  -0.1626   0.0000   0.5054
   7.250   1.4265   0.01628   0.00969  -0.1614   0.0000   0.5072
   7.500   1.4453   0.01670   0.01011  -0.1602   0.0000   0.5088
   7.750   1.4632   0.01716   0.01057  -0.1587   0.0000   0.5101
   8.000   1.4815   0.01762   0.01104  -0.1574   0.0000   0.5111
   8.250   1.4997   0.01811   0.01153  -0.1561   0.0000   0.5120
   8.500   1.5160   0.01866   0.01208  -0.1545   0.0000   0.5126
   8.750   1.5329   0.01921   0.01264  -0.1530   0.0000   0.5130
   9.000   1.5493   0.01981   0.01324  -0.1516   0.0000   0.5134
   9.250   1.5648   0.02045   0.01390  -0.1500   0.0000   0.5157
   9.500   1.5809   0.02110   0.01457  -0.1486   0.0000   0.5180
   9.750   1.5951   0.02185   0.01533  -0.1469   0.0000   0.5201
  10.000   1.6099   0.02259   0.01608  -0.1454   0.0000   0.5219
  10.250   1.6233   0.02343   0.01695  -0.1437   0.0000   0.5234
  10.500   1.6371   0.02429   0.01782  -0.1422   0.0000   0.5248
  10.750   1.6496   0.02524   0.01880  -0.1406   0.0000   0.5262
  11.000   1.6618   0.02623   0.01981  -0.1390   0.0000   0.5273
  11.250   1.6739   0.02728   0.02087  -0.1374   0.0000   0.5281
  11.500   1.6849   0.02845   0.02206  -0.1358   0.0000   0.5288
  11.750   1.6962   0.02963   0.02326  -0.1344   0.0000   0.5293
  12.000   1.7067   0.03091   0.02457  -0.1329   0.0000   0.5297
  12.250   1.7166   0.03229   0.02597  -0.1315   0.0000   0.5308
  12.500   1.7263   0.03369   0.02741  -0.1301   0.0000   0.5330
  12.750   1.7354   0.03519   0.02895  -0.1287   0.0000   0.5352
  13.000   1.7434   0.03684   0.03063  -0.1274   0.0000   0.5370
  13.250   1.7513   0.03852   0.03235  -0.1261   0.0000   0.5386
  13.500   1.7591   0.04025   0.03411  -0.1249   0.0000   0.5400
  13.750   1.7655   0.04216   0.03606  -0.1237   0.0000   0.5413
  14.000   1.7710   0.04415   0.03809  -0.1225   0.0000   0.5426
  14.250   1.7764   0.04619   0.04017  -0.1214   0.0000   0.5436
  14.500   1.7817   0.04828   0.04229  -0.1203   0.0000   0.5445
  14.750   1.7855   0.05057   0.04463  -0.1193   0.0000   0.5452
  15.000   1.7889   0.05295   0.04705  -0.1183   0.0000   0.5457
  15.250   1.7921   0.05535   0.04949  -0.1174   0.0000   0.5461
  15.500   1.7952   0.05776   0.05194  -0.1165   0.0000   0.5464
  15.750   1.7967   0.06043   0.05466  -0.1157   0.0000   0.5481
  16.000   1.7980   0.06315   0.05743  -0.1150   0.0000   0.5502
  16.250   1.7995   0.06585   0.06019  -0.1143   0.0000   0.5521
  16.500   1.8009   0.06859   0.06298  -0.1137   0.0000   0.5539
  16.750   1.8003   0.07159   0.06603  -0.1132   0.0000   0.5555
  17.000   1.7996   0.07459   0.06908  -0.1126   0.0000   0.5569
  17.250   1.8002   0.07745   0.07200  -0.1122   0.0000   0.5583
  17.500   1.7984   0.08066   0.07526  -0.1118   0.0000   0.5594
  17.750   1.7964   0.08391   0.07857  -0.1115   0.0000   0.5603
  18.000   1.7958   0.08694   0.08165  -0.1112   0.0000   0.5612
  18.250   1.7919   0.09043   0.08520  -0.1110   0.0000   0.5618
  18.500   1.7904   0.09359   0.08841  -0.1108   0.0000   0.5623
  18.750   1.7872   0.09703   0.09191  -0.1108   0.0000   0.5627
  19.000   1.7830   0.10064   0.09559  -0.1109   0.0000   0.5631
  19.250   1.7804   0.10401   0.09901  -0.1110   0.0000   0.5645
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