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SP4621HP (sp4621hp-po) Xfoil prediction polar at RE=500,000 Ncrit=9


Details Polar file
Airfoil: SP4621HP (sp4621hp-po)
Reynolds number: 500,000
Max Cl/Cd: 105.03 at α=7.25°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-sp4621hp-po-500000.txt
Download as CSV file: xf-sp4621hp-po-500000.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 =     0.500 e 6     Ncrit =   9.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -19.250  -0.6479   0.13481   0.13175  -0.0596   1.0005   0.0187
 -19.000  -0.7330   0.11349   0.11002  -0.0713   1.0005   0.0184
 -18.750  -0.7620   0.10436   0.10069  -0.0762   1.0005   0.0184
 -18.500  -0.7824   0.09719   0.09335  -0.0799   1.0005   0.0185
 -18.250  -0.7985   0.09113   0.08714  -0.0828   1.0005   0.0186
 -18.000  -0.8111   0.08590   0.08177  -0.0851   1.0005   0.0188
 -17.750  -0.8215   0.08123   0.07697  -0.0869   1.0005   0.0189
 -17.500  -0.8296   0.07711   0.07271  -0.0884   1.0005   0.0191
 -17.250  -0.8360   0.07337   0.06884  -0.0895   1.0005   0.0192
 -17.000  -0.8411   0.06994   0.06528  -0.0904   1.0005   0.0194
 -16.750  -0.8454   0.06693   0.06220  -0.0906   1.0005   0.0197
 -16.500  -0.8464   0.06439   0.05962  -0.0906   1.0005   0.0200
 -16.250  -0.8451   0.06215   0.05734  -0.0906   1.0005   0.0203
 -16.000  -0.8432   0.06005   0.05521  -0.0905   1.0005   0.0206
 -15.750  -0.8416   0.05798   0.05310  -0.0903   1.0005   0.0209
 -15.500  -0.8390   0.05610   0.05118  -0.0899   1.0005   0.0212
 -15.250  -0.8367   0.05426   0.04929  -0.0893   1.0005   0.0216
 -15.000  -0.8348   0.05247   0.04743  -0.0886   1.0005   0.0220
 -14.750  -0.8319   0.05086   0.04573  -0.0877   1.0005   0.0224
 -14.500  -0.8289   0.04934   0.04414  -0.0868   1.0005   0.0228
 -14.250  -0.8269   0.04787   0.04263  -0.0854   1.0005   0.0233
 -14.000  -0.8249   0.04655   0.04132  -0.0839   1.0005   0.0238
 -13.750  -0.8167   0.04524   0.04001  -0.0835   1.0001   0.0243
 -13.500  -0.7898   0.04350   0.03824  -0.0869   0.9978   0.0252
 -13.250  -0.7622   0.04182   0.03649  -0.0902   0.9953   0.0263
 -13.000  -0.7340   0.04022   0.03479  -0.0935   0.9930   0.0272
 -12.750  -0.7094   0.03868   0.03329  -0.0959   0.9885   0.0283
 -12.500  -0.6794   0.03724   0.03184  -0.0993   0.9843   0.0295
 -12.250  -0.6496   0.03592   0.03046  -0.1022   0.9787   0.0308
 -12.000  -0.6217   0.03460   0.02910  -0.1047   0.9702   0.0321
 -11.750  -0.5955   0.03331   0.02783  -0.1070   0.9557   0.0335
 -11.500  -0.5634   0.03210   0.02656  -0.1100   0.9300   0.0353
 -11.250  -0.5345   0.03101   0.02525  -0.1122   0.8788   0.0371
 -11.000  -0.5200   0.03026   0.02429  -0.1116   0.8319   0.0387
 -10.750  -0.5039   0.02962   0.02348  -0.1112   0.8077   0.0403
 -10.500  -0.4861   0.02901   0.02273  -0.1110   0.7926   0.0420
 -10.250  -0.4721   0.02820   0.02189  -0.1106   0.7813   0.0440
 -10.000  -0.4549   0.02754   0.02118  -0.1105   0.7717   0.0462
  -9.750  -0.4361   0.02695   0.02050  -0.1105   0.7637   0.0484
  -9.500  -0.4217   0.02612   0.01967  -0.1102   0.7561   0.0510
  -9.250  -0.4043   0.02547   0.01897  -0.1101   0.7495   0.0537
  -9.000  -0.3861   0.02484   0.01830  -0.1099   0.7439   0.0564
  -8.750  -0.3752   0.02402   0.01752  -0.1092   0.7381   0.0596
  -8.500  -0.3566   0.02343   0.01686  -0.1093   0.7329   0.0631
  -8.250  -0.3381   0.02264   0.01608  -0.1098   0.7281   0.0672
  -8.000  -0.3168   0.02191   0.01536  -0.1106   0.7231   0.0720
  -7.750  -0.2949   0.02109   0.01454  -0.1118   0.7182   0.0776
  -7.500  -0.2702   0.02041   0.01383  -0.1132   0.7136   0.0838
  -7.250  -0.2445   0.01947   0.01292  -0.1154   0.7094   0.0914
  -7.000  -0.2164   0.01869   0.01214  -0.1175   0.7050   0.0991
  -6.750  -0.1861   0.01774   0.01121  -0.1206   0.7008   0.1093
  -6.500  -0.1524   0.01670   0.01018  -0.1245   0.6969   0.1220
  -6.250  -0.1146   0.01561   0.00908  -0.1294   0.6930   0.1381
  -6.000  -0.0698   0.01418   0.00773  -0.1363   0.6891   0.1642
  -5.750   0.0206   0.01059   0.00508  -0.1576   0.6847   0.4467
  -5.500   0.0525   0.01090   0.00529  -0.1583   0.6811   0.4682
  -5.250   0.0829   0.01132   0.00564  -0.1586   0.6774   0.4788
  -5.000   0.1135   0.01175   0.00599  -0.1589   0.6738   0.4875
  -4.750   0.1425   0.01203   0.00629  -0.1589   0.6702   0.4933
  -4.500   0.1695   0.01247   0.00676  -0.1582   0.6666   0.4979
  -4.250   0.1987   0.01281   0.00706  -0.1583   0.6632   0.5029
  -4.000   0.2304   0.01311   0.00722  -0.1591   0.6599   0.5069
  -3.750   0.2580   0.01324   0.00738  -0.1588   0.6564   0.5101
  -3.500   0.2840   0.01358   0.00778  -0.1580   0.6530   0.5129
  -3.250   0.3112   0.01387   0.00808  -0.1575   0.6495   0.5156
  -3.000   0.3394   0.01409   0.00830  -0.1573   0.6461   0.5183
  -2.750   0.3695   0.01428   0.00842  -0.1578   0.6428   0.5217
  -2.500   0.4022   0.01455   0.00856  -0.1590   0.6392   0.5254
  -2.250   0.4280   0.01454   0.00864  -0.1583   0.6361   0.5282
  -2.000   0.4528   0.01487   0.00903  -0.1571   0.6327   0.5303
  -1.750   0.4796   0.01506   0.00924  -0.1567   0.6294   0.5318
  -1.500   0.5135   0.01475   0.00884  -0.1586   0.6262   0.5319
  -1.250   0.5473   0.01452   0.00850  -0.1604   0.6229   0.5319
  -1.000   0.5802   0.01430   0.00824  -0.1619   0.6197   0.5319
  -0.750   0.6126   0.01408   0.00800  -0.1633   0.6161   0.5320
  -0.500   0.6448   0.01390   0.00778  -0.1646   0.6126   0.5321
  -0.250   0.6769   0.01376   0.00759  -0.1658   0.6094   0.5322
   0.000   0.7088   0.01368   0.00743  -0.1670   0.6063   0.5324
   0.250   0.7406   0.01363   0.00734  -0.1682   0.6031   0.5326
   0.500   0.7716   0.01352   0.00724  -0.1691   0.5998   0.5327
   0.750   0.8026   0.01344   0.00715  -0.1700   0.5963   0.5330
   1.000   0.8335   0.01337   0.00706  -0.1709   0.5928   0.5332
   1.250   0.8644   0.01334   0.00698  -0.1718   0.5895   0.5335
   1.500   0.8955   0.01337   0.00697  -0.1727   0.5862   0.5337
   1.750   0.9256   0.01332   0.00695  -0.1734   0.5830   0.5341
   2.000   0.9558   0.01329   0.00694  -0.1742   0.5795   0.5344
   2.250   0.9860   0.01328   0.00692  -0.1749   0.5762   0.5348
   2.500   1.0162   0.01329   0.00690  -0.1756   0.5729   0.5351
   2.750   1.0469   0.01339   0.00695  -0.1764   0.5693   0.5356
   3.000   1.0759   0.01338   0.00700  -0.1768   0.5660   0.5362
   3.250   1.1049   0.01338   0.00703  -0.1772   0.5618   0.5369
   3.500   1.1336   0.01337   0.00701  -0.1776   0.5568   0.5375
   3.750   1.1626   0.01344   0.00703  -0.1780   0.5514   0.5380
   4.000   1.1903   0.01341   0.00705  -0.1782   0.5459   0.5385
   4.250   1.2182   0.01341   0.00706  -0.1784   0.5404   0.5390
   4.500   1.2467   0.01352   0.00711  -0.1787   0.5351   0.5396
   4.750   1.2742   0.01354   0.00720  -0.1788   0.5304   0.5401
   5.000   1.3017   0.01358   0.00728  -0.1789   0.5253   0.5407
   5.250   1.3288   0.01368   0.00734  -0.1790   0.5198   0.5413
   5.500   1.3554   0.01375   0.00746  -0.1789   0.5139   0.5418
   5.750   1.3820   0.01383   0.00757  -0.1789   0.5080   0.5423
   6.000   1.4079   0.01397   0.00769  -0.1787   0.5025   0.5428
   6.250   1.4338   0.01406   0.00784  -0.1785   0.4961   0.5433
   6.500   1.4588   0.01412   0.00791  -0.1782   0.4885   0.5444
   6.750   1.4832   0.01424   0.00806  -0.1777   0.4810   0.5454
   7.000   1.5068   0.01437   0.00823  -0.1771   0.4725   0.5464
   7.250   1.5293   0.01456   0.00844  -0.1763   0.4642   0.5473
   7.500   1.5507   0.01477   0.00867  -0.1753   0.4546   0.5482
   7.750   1.5713   0.01500   0.00894  -0.1741   0.4444   0.5492
   8.000   1.5886   0.01533   0.00926  -0.1723   0.4328   0.5502
   8.250   1.6018   0.01566   0.00960  -0.1697   0.4197   0.5512
   8.500   1.6123   0.01610   0.01003  -0.1667   0.4041   0.5522
   8.750   1.6215   0.01678   0.01064  -0.1636   0.3831   0.5532
   9.000   1.6238   0.01782   0.01155  -0.1596   0.3509   0.5542
   9.250   1.6124   0.01962   0.01310  -0.1538   0.3036   0.5550
   9.500   1.5906   0.02225   0.01544  -0.1472   0.2528   0.5557
   9.750   1.5710   0.02518   0.01816  -0.1419   0.2130   0.5565
  10.000   1.5586   0.02803   0.02088  -0.1381   0.1869   0.5573
  10.250   1.5522   0.03073   0.02351  -0.1354   0.1684   0.5582
  10.500   1.5490   0.03334   0.02610  -0.1333   0.1554   0.5592
  10.750   1.5466   0.03600   0.02873  -0.1315   0.1455   0.5602
  11.000   1.5488   0.03830   0.03106  -0.1301   0.1383   0.5611
  11.250   1.5473   0.04096   0.03373  -0.1286   0.1320   0.5623
  11.500   1.5498   0.04332   0.03615  -0.1274   0.1272   0.5639
  11.750   1.5530   0.04563   0.03852  -0.1264   0.1231   0.5653
  12.000   1.5523   0.04834   0.04126  -0.1251   0.1192   0.5666
  12.250   1.5486   0.05137   0.04433  -0.1238   0.1153   0.5678
  12.500   1.5557   0.05337   0.04642  -0.1230   0.1129   0.5694
  12.750   1.5596   0.05573   0.04886  -0.1222   0.1102   0.5709
  13.000   1.5613   0.05834   0.05151  -0.1213   0.1077   0.5725
  13.250   1.5610   0.06117   0.05438  -0.1204   0.1052   0.5740
  13.500   1.5570   0.06444   0.05768  -0.1194   0.1024   0.5755
  13.750   1.5638   0.06659   0.05991  -0.1189   0.1009   0.5773
  14.000   1.5695   0.06889   0.06229  -0.1184   0.0991   0.5790
  14.250   1.5751   0.07121   0.06468  -0.1179   0.0972   0.5810
  14.500   1.5785   0.07379   0.06733  -0.1174   0.0953   0.5834
  14.750   1.5807   0.07649   0.07009  -0.1169   0.0935   0.5856
  15.000   1.5810   0.07941   0.07304  -0.1164   0.0916   0.5879
  15.250   1.5811   0.08227   0.07595  -0.1157   0.0895   0.5903
  15.500   1.5894   0.08436   0.07814  -0.1156   0.0883   0.5933
  15.750   1.5953   0.08671   0.08057  -0.1153   0.0868   0.5962
  16.000   1.6010   0.08907   0.08300  -0.1151   0.0852   0.5992
  16.250   1.6066   0.09146   0.08548  -0.1150   0.0837   0.6029
  16.500   1.6100   0.09410   0.08818  -0.1149   0.0823   0.6066
  16.750   1.6124   0.09682   0.09092  -0.1147   0.0804   0.6106
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