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Ornithopter airfoil. (s1020-il) Xfoil prediction polar at RE=1,000,000 Ncrit=9


Details Polar file
Airfoil: Ornithopter airfoil. (s1020-il)
Reynolds number: 1,000,000
Max Cl/Cd: 146.82 at α=5°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-s1020-il-1000000.txt
Download as CSV file: xf-s1020-il-1000000.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: Ornithopter airfoil.                            
  
 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
  ------ -------- --------- --------- -------- -------- --------
 -12.250  -0.1683   0.11072   0.10894  -0.0961   0.9853   0.0150
 -12.000  -0.1593   0.10562   0.10383  -0.1002   0.9849   0.0151
 -11.750  -0.1697   0.09934   0.09758  -0.1020   0.9807   0.0155
 -11.500  -0.1616   0.09511   0.09334  -0.1053   0.9787   0.0156
 -11.250  -0.1488   0.09202   0.09026  -0.1084   0.9773   0.0158
 -11.000  -0.1374   0.08810   0.08633  -0.1122   0.9761   0.0160
 -10.750  -0.1274   0.08354   0.08177  -0.1167   0.9750   0.0163
 -10.500  -0.1173   0.07866   0.07689  -0.1217   0.9741   0.0168
 -10.250  -0.1186   0.03778   0.03600  -0.1375   0.9464   0.0184
 -10.000  -0.1443   0.02688   0.02489  -0.1510   0.9385   0.0181
  -9.750  -0.1519   0.01977   0.01742  -0.1653   0.9258   0.0183
  -9.500  -0.1490   0.01951   0.01679  -0.1690   0.9051   0.0191
  -9.250  -0.2177   0.02333   0.01970  -0.1728   0.9013   0.0140
  -9.000  -0.2045   0.02093   0.01697  -0.1725   0.8890   0.0137
  -8.750  -0.1940   0.01785   0.01338  -0.1711   0.8776   0.0128
  -8.500  -0.1759   0.01649   0.01180  -0.1701   0.8680   0.0126
  -8.250  -0.1548   0.01557   0.01074  -0.1695   0.8599   0.0127
  -8.000  -0.1330   0.01486   0.00991  -0.1689   0.8520   0.0129
  -7.750  -0.1107   0.01419   0.00914  -0.1683   0.8448   0.0131
  -7.500  -0.0881   0.01357   0.00843  -0.1677   0.8375   0.0134
  -7.250  -0.0649   0.01301   0.00778  -0.1672   0.8310   0.0136
  -7.000  -0.0415   0.01252   0.00722  -0.1666   0.8242   0.0139
  -6.750  -0.0176   0.01201   0.00661  -0.1662   0.8179   0.0140
  -6.500   0.0062   0.01158   0.00613  -0.1657   0.8118   0.0143
  -6.250   0.0307   0.01117   0.00564  -0.1653   0.8057   0.0145
  -6.000   0.0556   0.01081   0.00521  -0.1650   0.8000   0.0147
  -5.750   0.0806   0.01047   0.00482  -0.1647   0.7940   0.0149
  -5.500   0.1065   0.01022   0.00448  -0.1645   0.7884   0.0151
  -5.250   0.1307   0.00964   0.00384  -0.1641   0.7828   0.0159
  -5.000   0.1566   0.00934   0.00348  -0.1639   0.7770   0.0168
  -4.750   0.1831   0.00914   0.00321  -0.1638   0.7716   0.0176
  -4.500   0.2095   0.00893   0.00297  -0.1636   0.7661   0.0184
  -4.250   0.2361   0.00878   0.00277  -0.1635   0.7605   0.0192
  -4.000   0.2629   0.00860   0.00253  -0.1633   0.7552   0.0212
  -3.750   0.2895   0.00840   0.00235  -0.1632   0.7495   0.0271
  -3.500   0.3151   0.00793   0.00212  -0.1632   0.7440   0.0947
  -3.250   0.3412   0.00751   0.00196  -0.1633   0.7386   0.1748
  -3.000   0.3674   0.00717   0.00185  -0.1633   0.7328   0.2500
  -2.750   0.3938   0.00694   0.00177  -0.1633   0.7272   0.3153
  -2.500   0.4208   0.00678   0.00173  -0.1633   0.7218   0.3630
  -2.250   0.4476   0.00669   0.00172  -0.1633   0.7159   0.4039
  -2.000   0.4745   0.00667   0.00171  -0.1632   0.7103   0.4314
  -1.750   0.5017   0.00663   0.00171  -0.1631   0.7044   0.4550
  -1.500   0.5284   0.00662   0.00172  -0.1629   0.6985   0.4765
  -1.250   0.5553   0.00663   0.00173  -0.1628   0.6929   0.4934
  -1.000   0.5822   0.00664   0.00174  -0.1627   0.6867   0.5052
  -0.750   0.6085   0.00669   0.00175  -0.1624   0.6807   0.5169
  -0.500   0.6356   0.00668   0.00177  -0.1624   0.6747   0.5278
  -0.250   0.6619   0.00672   0.00178  -0.1621   0.6683   0.5384
   0.000   0.6883   0.00676   0.00181  -0.1619   0.6623   0.5498
   0.250   0.7147   0.00678   0.00185  -0.1617   0.6558   0.5612
   0.500   0.7403   0.00684   0.00189  -0.1613   0.6493   0.5720
   1.000   0.7922   0.00692   0.00198  -0.1607   0.6361   0.5952
   1.250   0.8182   0.00695   0.00203  -0.1604   0.6295   0.6076
   1.500   0.8434   0.00701   0.00209  -0.1599   0.6224   0.6206
   1.750   0.8688   0.00707   0.00216  -0.1595   0.6158   0.6343
   2.000   0.8940   0.00713   0.00223  -0.1591   0.6086   0.6487
   2.500   0.9430   0.00725   0.00240  -0.1579   0.5946   0.6795
   3.000   0.9901   0.00738   0.00258  -0.1563   0.5801   0.7125
   3.250   1.0123   0.00748   0.00269  -0.1553   0.5727   0.7305
   3.500   1.0361   0.00753   0.00281  -0.1545   0.5650   0.7497
   3.750   1.0577   0.00765   0.00294  -0.1534   0.5572   0.7703
   4.000   1.0810   0.00772   0.00307  -0.1525   0.5493   0.7930
   4.250   1.1020   0.00783   0.00322  -0.1512   0.5418   0.8189
   4.500   1.1241   0.00789   0.00337  -0.1501   0.5341   0.8489
   4.750   1.1417   0.00796   0.00353  -0.1480   0.5267   0.8932
   5.000   1.1643   0.00793   0.00362  -0.1470   0.5190   1.0000
   5.250   1.1860   0.00813   0.00379  -0.1460   0.5110   1.0000
   5.500   1.2092   0.00828   0.00394  -0.1453   0.5025   1.0000
   5.750   1.2309   0.00849   0.00411  -0.1442   0.4940   1.0000
   6.000   1.2529   0.00868   0.00429  -0.1433   0.4850   1.0000
   6.250   1.2743   0.00889   0.00448  -0.1422   0.4749   1.0000
   6.500   1.2937   0.00915   0.00471  -0.1408   0.4636   1.0000
   6.750   1.3128   0.00943   0.00494  -0.1394   0.4518   1.0000
   7.000   1.3328   0.00969   0.00518  -0.1381   0.4392   1.0000
   7.250   1.3505   0.01003   0.00547  -0.1364   0.4236   1.0000
   7.500   1.3660   0.01044   0.00581  -0.1343   0.4062   1.0000
   7.750   1.3821   0.01085   0.00616  -0.1324   0.3883   1.0000
   8.000   1.3946   0.01141   0.00660  -0.1299   0.3629   1.0000
   8.250   1.4074   0.01196   0.00707  -0.1275   0.3421   1.0000
   8.500   1.4198   0.01257   0.00758  -0.1251   0.3201   1.0000
   8.750   1.4261   0.01343   0.00829  -0.1218   0.2895   1.0000
   9.000   1.4350   0.01423   0.00897  -0.1190   0.2661   1.0000
   9.250   1.4427   0.01512   0.00974  -0.1161   0.2423   1.0000
   9.500   1.4497   0.01606   0.01058  -0.1132   0.2184   1.0000
   9.750   1.4550   0.01713   0.01153  -0.1101   0.1950   1.0000
  10.000   1.4575   0.01840   0.01265  -0.1069   0.1685   1.0000
  10.500   1.4608   0.02123   0.01521  -0.1005   0.1189   1.0000
  10.750   1.4617   0.02279   0.01666  -0.0975   0.0965   1.0000
  11.000   1.4608   0.02456   0.01829  -0.0945   0.0747   1.0000
  11.250   1.4618   0.02629   0.01994  -0.0919   0.0580   1.0000
  11.500   1.4582   0.02843   0.02196  -0.0890   0.0385   1.0000
  11.750   1.4566   0.03054   0.02399  -0.0865   0.0242   1.0000
  12.000   1.4536   0.03286   0.02625  -0.0841   0.0125   1.0000
  12.250   1.4601   0.03449   0.02792  -0.0826   0.0106   1.0000
  12.500   1.4660   0.03623   0.02969  -0.0812   0.0095   1.0000
  12.750   1.4729   0.03794   0.03146  -0.0799   0.0088   1.0000
  13.000   1.4804   0.03962   0.03321  -0.0788   0.0084   1.0000
  13.250   1.4868   0.04146   0.03512  -0.0777   0.0081   1.0000
  13.500   1.4923   0.04342   0.03713  -0.0766   0.0078   1.0000
  13.750   1.4968   0.04553   0.03932  -0.0756   0.0075   1.0000
  14.000   1.5007   0.04779   0.04164  -0.0747   0.0073   1.0000
  14.250   1.5013   0.05043   0.04437  -0.0738   0.0069   1.0000
  14.500   1.5004   0.05333   0.04736  -0.0729   0.0068   1.0000
  14.750   1.5061   0.05555   0.04965  -0.0724   0.0067   1.0000
  15.000   1.5095   0.05809   0.05227  -0.0719   0.0065   1.0000
  15.250   1.5118   0.06082   0.05508  -0.0715   0.0064   1.0000
  15.500   1.5134   0.06368   0.05803  -0.0712   0.0063   1.0000
  15.750   1.5142   0.06672   0.06115  -0.0711   0.0062   1.0000
  16.000   1.5143   0.06990   0.06442  -0.0710   0.0061   1.0000
  16.250   1.5141   0.07320   0.06781  -0.0711   0.0060   1.0000
  16.500   1.5127   0.07673   0.07143  -0.0712   0.0059   1.0000
  16.750   1.5112   0.08032   0.07511  -0.0716   0.0058   1.0000
  17.000   1.5086   0.08416   0.07904  -0.0720   0.0057   1.0000
  17.250   1.5060   0.08806   0.08303  -0.0726   0.0057   1.0000
  17.500   1.5026   0.09214   0.08721  -0.0734   0.0056   1.0000
  17.750   1.4995   0.09623   0.09139  -0.0743   0.0055   1.0000
  18.000   1.4951   0.10058   0.09583  -0.0753   0.0055   1.0000
  18.250   1.4908   0.10494   0.10029  -0.0764   0.0054   1.0000
  18.500   1.4857   0.10949   0.10494  -0.0778   0.0054   1.0000
  18.750   1.4805   0.11412   0.10965  -0.0793   0.0053   1.0000
  19.000   1.4748   0.11885   0.11448  -0.0809   0.0052   1.0000
  19.250   1.4702   0.12342   0.11914  -0.0826   0.0052   1.0000
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