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USNPS4 (smoothed) (usnps4-il) Xfoil prediction polar at RE=500,000 Ncrit=5


Details Polar file
Airfoil: USNPS4 (smoothed) (usnps4-il)
Reynolds number: 500,000
Max Cl/Cd: 87.16 at α=5.5°
Description: Mach=0 Ncrit=5
Source: Xfoil prediction
Download polar: xf-usnps4-il-500000-n5.txt
Download as CSV file: xf-usnps4-il-500000-n5.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: USNPS4 (smoothed)                               
  
 1 1 Reynolds number fixed          Mach number fixed         
  
 xtrf =   1.000 (top)        1.000 (bottom)  
 Mach =   0.000     Re =     0.500 e 6     Ncrit =   5.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
  -8.500  -0.1633   0.08507   0.08265  -0.0793   0.9752   0.0107
  -8.250  -0.1629   0.08140   0.07900  -0.0808   0.9694   0.0108
  -7.750  -0.1519   0.07106   0.06866  -0.0915   0.9602   0.0110
  -7.500  -0.1466   0.06261   0.06016  -0.1012   0.9534   0.0115
  -7.000  -0.1095   0.05629   0.05376  -0.1085   0.9456   0.0120
  -6.500  -0.1101   0.02136   0.01691  -0.1211   0.9311   0.0144
  -6.250  -0.0802   0.02098   0.01651  -0.1218   0.9279   0.0147
  -6.000  -0.0467   0.02045   0.01592  -0.1234   0.9256   0.0151
  -5.750  -0.0142   0.01835   0.01348  -0.1251   0.9235   0.0158
  -5.500   0.0058   0.01638   0.01112  -0.1237   0.9159   0.0165
  -5.250   0.0376   0.01487   0.00928  -0.1247   0.9118   0.0172
  -5.000   0.0709   0.01389   0.00805  -0.1259   0.9074   0.0176
  -4.750   0.0987   0.01327   0.00737  -0.1260   0.8996   0.0183
  -4.500   0.1347   0.01286   0.00691  -0.1278   0.8941   0.0190
  -4.250   0.1641   0.01244   0.00641  -0.1281   0.8844   0.0198
  -4.000   0.1966   0.01188   0.00572  -0.1291   0.8751   0.0205
  -3.750   0.2294   0.01140   0.00511  -0.1301   0.8642   0.0212
  -3.500   0.2600   0.01096   0.00459  -0.1307   0.8508   0.0220
  -3.250   0.2899   0.01070   0.00426  -0.1311   0.8358   0.0228
  -3.000   0.3189   0.01053   0.00399  -0.1313   0.8189   0.0240
  -2.750   0.3468   0.01037   0.00371  -0.1312   0.8005   0.0254
  -2.500   0.3736   0.01018   0.00343  -0.1309   0.7804   0.0267
  -2.250   0.3998   0.01011   0.00325  -0.1305   0.7596   0.0281
  -2.000   0.4254   0.01006   0.00309  -0.1299   0.7378   0.0298
  -1.750   0.4504   0.01003   0.00294  -0.1293   0.7153   0.0318
  -1.500   0.4750   0.01006   0.00287  -0.1285   0.6923   0.0346
  -1.250   0.4995   0.01011   0.00279  -0.1277   0.6690   0.0374
  -1.000   0.5236   0.01014   0.00273  -0.1269   0.6457   0.0410
  -0.750   0.5478   0.01022   0.00269  -0.1261   0.6220   0.0448
  -0.500   0.5717   0.01030   0.00268  -0.1253   0.5988   0.0502
  -0.250   0.5959   0.01040   0.00268  -0.1245   0.5760   0.0558
   0.000   0.6197   0.01051   0.00269  -0.1237   0.5535   0.0638
   0.250   0.6441   0.01060   0.00272  -0.1230   0.5318   0.0746
   0.500   0.6682   0.01071   0.00276  -0.1223   0.5105   0.0922
   0.750   0.6921   0.01070   0.00283  -0.1216   0.4902   0.1650
   1.000   0.7027   0.00906   0.00318  -0.1183   0.4745   0.9025
   1.250   0.7378   0.00919   0.00323  -0.1198   0.4544   1.0000
   1.500   0.7615   0.00941   0.00330  -0.1191   0.4366   1.0000
   1.750   0.7855   0.00962   0.00339  -0.1183   0.4205   1.0000
   2.000   0.8096   0.00983   0.00349  -0.1176   0.4058   1.0000
   2.250   0.8337   0.01005   0.00359  -0.1169   0.3911   1.0000
   2.500   0.8576   0.01028   0.00371  -0.1162   0.3771   1.0000
   3.000   0.9060   0.01071   0.00397  -0.1149   0.3529   1.0000
   3.250   0.9300   0.01093   0.00411  -0.1142   0.3415   1.0000
   3.500   0.9537   0.01116   0.00427  -0.1135   0.3305   1.0000
   3.750   0.9774   0.01139   0.00443  -0.1128   0.3202   1.0000
   4.000   1.0013   0.01160   0.00459  -0.1121   0.3117   1.0000
   4.500   1.0480   0.01207   0.00496  -0.1106   0.2939   1.0000
   4.750   1.0702   0.01233   0.00515  -0.1096   0.2856   1.0000
   5.000   1.0929   0.01255   0.00535  -0.1087   0.2782   1.0000
   5.250   1.1147   0.01282   0.00558  -0.1076   0.2714   1.0000
   5.500   1.1374   0.01305   0.00580  -0.1067   0.2650   1.0000
   5.750   1.1589   0.01333   0.00604  -0.1057   0.2581   1.0000
   6.000   1.1811   0.01359   0.00629  -0.1047   0.2518   1.0000
   6.250   1.2029   0.01388   0.00655  -0.1037   0.2452   1.0000
   6.500   1.2244   0.01417   0.00684  -0.1027   0.2400   1.0000
   6.750   1.2464   0.01444   0.00711  -0.1018   0.2348   1.0000
   7.000   1.2675   0.01476   0.00742  -0.1007   0.2296   1.0000
   7.250   1.2886   0.01508   0.00774  -0.0997   0.2250   1.0000
   7.500   1.3100   0.01538   0.00805  -0.0987   0.2199   1.0000
   7.750   1.3303   0.01574   0.00840  -0.0975   0.2147   1.0000
   8.000   1.3507   0.01609   0.00877  -0.0964   0.2105   1.0000
   8.250   1.3715   0.01642   0.00913  -0.0954   0.2065   1.0000
   8.500   1.3915   0.01679   0.00951  -0.0942   0.2024   1.0000
   8.750   1.4103   0.01722   0.00995  -0.0929   0.1985   1.0000
   9.000   1.4304   0.01758   0.01036  -0.0918   0.1954   1.0000
   9.250   1.4501   0.01797   0.01079  -0.0907   0.1916   1.0000
   9.500   1.4686   0.01842   0.01126  -0.0894   0.1876   1.0000
   9.750   1.4857   0.01894   0.01180  -0.0879   0.1839   1.0000
  10.000   1.5050   0.01935   0.01227  -0.0867   0.1813   1.0000
  10.250   1.5235   0.01980   0.01278  -0.0855   0.1783   1.0000
  10.500   1.5410   0.02032   0.01335  -0.0842   0.1752   1.0000
  10.750   1.5572   0.02090   0.01397  -0.0827   0.1722   1.0000
  11.000   1.5737   0.02147   0.01458  -0.0812   0.1680   1.0000
  11.250   1.5903   0.02205   0.01519  -0.0799   0.1620   1.0000
  11.500   1.6039   0.02281   0.01595  -0.0782   0.1562   1.0000
  11.750   1.6205   0.02340   0.01660  -0.0769   0.1516   1.0000
  12.000   1.6347   0.02413   0.01737  -0.0753   0.1468   1.0000
  12.250   1.6477   0.02496   0.01823  -0.0737   0.1424   1.0000
  12.500   1.6622   0.02571   0.01904  -0.0722   0.1371   1.0000
  12.750   1.6731   0.02670   0.02005  -0.0705   0.1313   1.0000
  13.000   1.6857   0.02761   0.02101  -0.0689   0.1250   1.0000
  13.250   1.6943   0.02880   0.02220  -0.0671   0.1178   1.0000
  13.500   1.7025   0.03006   0.02346  -0.0652   0.1083   1.0000
  13.750   1.7072   0.03162   0.02501  -0.0632   0.0969   1.0000
  14.000   1.7078   0.03357   0.02691  -0.0609   0.0833   1.0000
  14.250   1.7016   0.03615   0.02942  -0.0583   0.0658   1.0000
  14.500   1.6910   0.03930   0.03251  -0.0557   0.0496   1.0000
  14.750   1.6787   0.04282   0.03602  -0.0534   0.0370   1.0000
  15.000   1.6704   0.04614   0.03937  -0.0518   0.0296   1.0000
  15.250   1.6639   0.04947   0.04276  -0.0506   0.0251   1.0000
  15.500   1.6575   0.05294   0.04632  -0.0498   0.0219   1.0000
  15.750   1.6525   0.05640   0.04988  -0.0493   0.0197   1.0000
  16.000   1.6451   0.06027   0.05385  -0.0490   0.0180   1.0000
  16.250   1.6378   0.06427   0.05797  -0.0490   0.0167   1.0000
  16.500   1.6296   0.06853   0.06236  -0.0493   0.0156   1.0000
  16.750   1.6190   0.07324   0.06719  -0.0498   0.0147   1.0000
  17.000   1.6059   0.07842   0.07250  -0.0507   0.0140   1.0000
  17.250   1.5938   0.08358   0.07780  -0.0517   0.0135   1.0000
  17.500   1.5802   0.08906   0.08342  -0.0529   0.0130   1.0000
  17.750   1.5653   0.09486   0.08936  -0.0544   0.0126   1.0000
  18.000   1.5491   0.10091   0.09555  -0.0561   0.0122   1.0000
  18.250   1.5318   0.10724   0.10201  -0.0581   0.0119   1.0000
  18.500   1.5144   0.11369   0.10860  -0.0603   0.0117   1.0000
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