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SP4721LA (sp4721la-po) Xfoil prediction polar at RE=1,000,000 Ncrit=9


Details Polar file
Airfoil: SP4721LA (sp4721la-po)
Reynolds number: 1,000,000
Max Cl/Cd: 110.32 at α=5.5°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-sp4721la-po-1000000.txt
Download as CSV file: xf-sp4721la-po-1000000.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 =     1.000 e 6     Ncrit =   9.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -18.250  -0.6836   0.12058   0.11778  -0.0637   1.0004   0.0040
 -18.000  -0.7147   0.10943   0.10646  -0.0697   1.0001   0.0040
 -17.750  -0.7442   0.09874   0.09558  -0.0757   0.9997   0.0040
 -17.500  -0.7625   0.09092   0.08760  -0.0804   0.9991   0.0040
 -17.250  -0.7741   0.08463   0.08118  -0.0842   0.9984   0.0040
 -17.000  -0.7816   0.07917   0.07560  -0.0876   0.9977   0.0039
 -16.750  -0.7851   0.07445   0.07077  -0.0907   0.9969   0.0039
 -16.500  -0.7865   0.07014   0.06634  -0.0935   0.9961   0.0039
 -16.250  -0.7850   0.06622   0.06233  -0.0963   0.9954   0.0039
 -16.000  -0.7812   0.06264   0.05865  -0.0989   0.9947   0.0039
 -15.750  -0.7743   0.05951   0.05543  -0.1014   0.9941   0.0039
 -15.500  -0.7665   0.05649   0.05232  -0.1039   0.9936   0.0039
 -15.250  -0.7578   0.05393   0.04969  -0.1057   0.9926   0.0039
 -15.000  -0.7521   0.05150   0.04719  -0.1067   0.9905   0.0039
 -14.750  -0.7414   0.04928   0.04489  -0.1082   0.9889   0.0039
 -14.500  -0.7288   0.04711   0.04265  -0.1100   0.9875   0.0039
 -14.250  -0.7137   0.04511   0.04058  -0.1119   0.9863   0.0039
 -14.000  -0.6964   0.04325   0.03866  -0.1140   0.9852   0.0039
 -13.750  -0.6781   0.04145   0.03681  -0.1162   0.9843   0.0039
 -13.500  -0.6569   0.03974   0.03504  -0.1187   0.9835   0.0039
 -13.250  -0.6324   0.03816   0.03341  -0.1214   0.9828   0.0039
 -13.000  -0.6053   0.03663   0.03182  -0.1246   0.9822   0.0039
 -12.750  -0.5765   0.03519   0.03035  -0.1279   0.9816   0.0039
 -12.500  -0.5622   0.03405   0.02917  -0.1278   0.9776   0.0040
 -12.250  -0.5418   0.03285   0.02793  -0.1290   0.9748   0.0040
 -12.000  -0.5197   0.03179   0.02685  -0.1302   0.9726   0.0040
 -11.750  -0.4985   0.03080   0.02583  -0.1311   0.9705   0.0040
 -11.500  -0.4781   0.02989   0.02489  -0.1318   0.9683   0.0040
 -11.250  -0.4662   0.02907   0.02406  -0.1306   0.9630   0.0040
 -11.000  -0.4512   0.02815   0.02311  -0.1301   0.9587   0.0041
 -10.750  -0.4360   0.02724   0.02216  -0.1295   0.9552   0.0041
 -10.500  -0.4228   0.02644   0.02134  -0.1285   0.9496   0.0041
 -10.250  -0.4086   0.02562   0.02049  -0.1277   0.9443   0.0041
 -10.000  -0.3931   0.02480   0.01964  -0.1270   0.9403   0.0041
  -9.750  -0.3786   0.02406   0.01889  -0.1263   0.9329   0.0041
  -9.500  -0.3631   0.02325   0.01804  -0.1256   0.9267   0.0042
  -9.250  -0.3489   0.02250   0.01726  -0.1249   0.9172   0.0042
  -9.000  -0.3347   0.02172   0.01644  -0.1241   0.9078   0.0042
  -8.750  -0.3159   0.02095   0.01562  -0.1242   0.8969   0.0043
  -8.500  -0.2951   0.02023   0.01484  -0.1247   0.8847   0.0043
  -8.250  -0.2726   0.01953   0.01406  -0.1256   0.8729   0.0044
  -8.000  -0.2489   0.01883   0.01329  -0.1267   0.8613   0.0045
  -7.750  -0.2243   0.01814   0.01252  -0.1280   0.8497   0.0047
  -7.500  -0.1983   0.01746   0.01180  -0.1295   0.8387   0.0049
  -7.250  -0.1712   0.01678   0.01106  -0.1313   0.8279   0.0051
  -7.000  -0.1429   0.01608   0.01029  -0.1333   0.8166   0.0055
  -6.750  -0.1111   0.01478   0.00902  -0.1375   0.8054   0.0175
  -6.500  -0.0761   0.01359   0.00787  -0.1419   0.7947   0.0325
  -6.250  -0.0418   0.01285   0.00710  -0.1452   0.7839   0.0393
  -6.000  -0.0068   0.01219   0.00642  -0.1483   0.7735   0.0445
  -5.750   0.0279   0.01167   0.00584  -0.1511   0.7630   0.0495
  -5.500   0.0613   0.01128   0.00542  -0.1533   0.7517   0.0547
  -5.250   0.0940   0.01100   0.00510  -0.1551   0.7408   0.0604
  -5.000   0.1265   0.01072   0.00479  -0.1569   0.7295   0.0683
  -4.750   0.1591   0.01046   0.00452  -0.1586   0.7174   0.0793
  -4.500   0.1917   0.01021   0.00427  -0.1603   0.7053   0.0937
  -4.250   0.2264   0.00981   0.00393  -0.1628   0.6925   0.1302
  -3.500   0.3419   0.00776   0.00261  -0.1736   0.6522   0.4455
  -3.250   0.3711   0.00784   0.00262  -0.1740   0.6399   0.4532
  -3.000   0.3998   0.00794   0.00266  -0.1743   0.6277   0.4601
  -2.750   0.4283   0.00807   0.00269  -0.1745   0.6157   0.4652
  -2.500   0.4574   0.00815   0.00276  -0.1749   0.6051   0.4715
  -2.250   0.4856   0.00830   0.00285  -0.1751   0.5950   0.4767
  -2.000   0.5142   0.00846   0.00296  -0.1753   0.5857   0.4844
  -1.750   0.5417   0.00874   0.00322  -0.1752   0.5773   0.4924
  -1.500   0.5702   0.00888   0.00332  -0.1754   0.5692   0.4952
  -1.250   0.5985   0.00899   0.00335  -0.1756   0.5616   0.4962
  -1.000   0.6275   0.00905   0.00337  -0.1760   0.5547   0.4968
  -0.750   0.6556   0.00913   0.00339  -0.1763   0.5479   0.4979
  -0.500   0.6847   0.00915   0.00339  -0.1767   0.5424   0.4994
  -0.250   0.7134   0.00920   0.00343  -0.1770   0.5369   0.5007
   0.000   0.7412   0.00931   0.00350  -0.1771   0.5312   0.5019
   0.250   0.7697   0.00938   0.00356  -0.1774   0.5266   0.5031
   0.500   0.7983   0.00945   0.00362  -0.1777   0.5220   0.5043
   0.750   0.8261   0.00955   0.00370  -0.1778   0.5174   0.5056
   1.000   0.8531   0.00969   0.00380  -0.1778   0.5125   0.5069
   1.250   0.8818   0.00975   0.00386  -0.1781   0.5091   0.5082
   1.500   0.9100   0.00983   0.00394  -0.1783   0.5052   0.5095
   1.750   0.9374   0.00993   0.00402  -0.1784   0.5012   0.5108
   2.000   0.9640   0.01008   0.00413  -0.1783   0.4972   0.5119
   2.250   0.9914   0.01020   0.00423  -0.1784   0.4939   0.5129
   2.500   1.0195   0.01025   0.00430  -0.1786   0.4912   0.5143
   2.750   1.0472   0.01030   0.00439  -0.1788   0.4882   0.5162
   3.000   1.0738   0.01041   0.00450  -0.1787   0.4844   0.5178
   3.250   1.0986   0.01059   0.00465  -0.1782   0.4791   0.5193
   3.500   1.1253   0.01066   0.00475  -0.1782   0.4749   0.5207
   3.750   1.1504   0.01076   0.00486  -0.1777   0.4706   0.5223
   4.000   1.1736   0.01089   0.00499  -0.1769   0.4668   0.5239
   4.250   1.1956   0.01108   0.00516  -0.1759   0.4625   0.5255
   4.500   1.2205   0.01118   0.00529  -0.1755   0.4589   0.5270
   4.750   1.2416   0.01140   0.00543  -0.1743   0.4460   0.5283
   5.000   1.2667   0.01154   0.00557  -0.1740   0.4367   0.5293
   5.250   1.2891   0.01180   0.00577  -0.1732   0.4278   0.5309
   5.500   1.3150   0.01192   0.00592  -0.1730   0.4196   0.5329
   5.750   1.3375   0.01218   0.00615  -0.1722   0.4104   0.5346
   6.000   1.3617   0.01238   0.00636  -0.1717   0.4012   0.5361
   6.250   1.3839   0.01266   0.00662  -0.1709   0.3921   0.5376
   6.500   1.4046   0.01301   0.00691  -0.1698   0.3780   0.5391
   6.750   1.4244   0.01341   0.00724  -0.1686   0.3586   0.5407
   7.000   1.4377   0.01413   0.00777  -0.1663   0.3242   0.5421
   7.250   1.4401   0.01540   0.00873  -0.1622   0.2721   0.5434
   7.500   1.4435   0.01666   0.00975  -0.1584   0.2311   0.5445
   7.750   1.4528   0.01762   0.01057  -0.1557   0.2069   0.5456
   8.000   1.4654   0.01842   0.01129  -0.1535   0.1902   0.5467
   8.250   1.4786   0.01918   0.01201  -0.1515   0.1758   0.5490
   8.500   1.4916   0.01998   0.01276  -0.1495   0.1624   0.5508
   8.750   1.5012   0.02097   0.01369  -0.1471   0.1468   0.5522
   9.000   1.5099   0.02206   0.01470  -0.1447   0.1314   0.5536
   9.250   1.5204   0.02305   0.01566  -0.1426   0.1206   0.5550
   9.500   1.5304   0.02412   0.01669  -0.1405   0.1113   0.5564
   9.750   1.5399   0.02525   0.01779  -0.1384   0.1019   0.5578
  10.000   1.5503   0.02636   0.01890  -0.1366   0.0946   0.5592
  10.250   1.5576   0.02771   0.02021  -0.1344   0.0865   0.5605
  10.500   1.5649   0.02912   0.02161  -0.1324   0.0783   0.5616
  10.750   1.5725   0.03056   0.02304  -0.1306   0.0718   0.5626
  11.000   1.5776   0.03227   0.02473  -0.1286   0.0646   0.5637
  11.250   1.5845   0.03391   0.02638  -0.1270   0.0583   0.5659
  11.500   1.5886   0.03583   0.02831  -0.1253   0.0522   0.5676
  11.750   1.5906   0.03800   0.03048  -0.1235   0.0453   0.5691
  12.000   1.5911   0.04039   0.03287  -0.1217   0.0379   0.5704
  12.250   1.5802   0.04393   0.03638  -0.1193   0.0249   0.5715
  12.500   1.5621   0.04833   0.04075  -0.1168   0.0094   0.5724
  12.750   1.5632   0.05096   0.04342  -0.1157   0.0073   0.5737
  13.000   1.5646   0.05363   0.04614  -0.1147   0.0042   0.5749
  13.250   1.5682   0.05608   0.04865  -0.1139   0.0040   0.5762
  13.500   1.5707   0.05869   0.05131  -0.1131   0.0036   0.5774
  13.750   1.5741   0.06123   0.05391  -0.1124   0.0033   0.5785
  14.000   1.5783   0.06372   0.05646  -0.1118   0.0031   0.5795
  14.250   1.5817   0.06634   0.05913  -0.1113   0.0030   0.5807
  14.500   1.5851   0.06900   0.06187  -0.1109   0.0028   0.5828
  14.750   1.5876   0.07173   0.06467  -0.1105   0.0025   0.5846
  15.000   1.5890   0.07463   0.06764  -0.1101   0.0023   0.5861
  15.250   1.5910   0.07747   0.07055  -0.1098   0.0021   0.5876
  15.500   1.5944   0.08015   0.07329  -0.1095   0.0019   0.5891
  16.000   1.5927   0.08660   0.07987  -0.1090   0.0004   0.5917
  16.250   1.5930   0.08968   0.08302  -0.1089   0.0003   0.5931
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