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USNPS4 (smoothed) (usnps4-il) Xfoil prediction polar at RE=1,000,000 Ncrit=9


Details Polar file
Airfoil: USNPS4 (smoothed) (usnps4-il)
Reynolds number: 1,000,000
Max Cl/Cd: 110.83 at α=4.5°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-usnps4-il-1000000.txt
Download as CSV file: xf-usnps4-il-1000000.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 =     1.000 e 6     Ncrit =   9.000
  
   alpha    CL        CD       CDp       CM     Top_Xtr  Bot_Xtr
  ------ -------- --------- --------- -------- -------- --------
 -10.000  -0.0889   0.09531   0.09367  -0.0745   0.9806   0.0131
  -9.750  -0.0825   0.09108   0.08945  -0.0768   0.9795   0.0139
  -9.500  -0.1993   0.10282   0.10112  -0.0644   0.9871   0.0123
  -9.250  -0.1859   0.09913   0.09743  -0.0679   0.9864   0.0126
  -9.000  -0.1721   0.09528   0.09357  -0.0718   0.9857   0.0131
  -8.500  -0.1608   0.08540   0.08371  -0.0809   0.9789   0.0142
  -8.250  -0.1487   0.08061   0.07892  -0.0862   0.9770   0.0143
  -8.000  -0.1355   0.07524   0.07356  -0.0931   0.9754   0.0143
  -7.750  -0.1343   0.07056   0.06889  -0.0965   0.9690   0.0146
  -7.500  -0.1140   0.06741   0.06572  -0.1008   0.9670   0.0148
  -7.250  -0.0900   0.06373   0.06202  -0.1067   0.9656   0.0151
  -7.000  -0.0629   0.05932   0.05757  -0.1140   0.9646   0.0156
  -6.750  -0.0336   0.05396   0.05214  -0.1222   0.9636   0.0166
  -6.500  -0.0172   0.04536   0.04331  -0.1282   0.9557   0.0176
  -6.250   0.0017   0.03816   0.03589  -0.1328   0.9530   0.0180
  -6.000   0.0303   0.03646   0.03413  -0.1352   0.9514   0.0183
  -5.750   0.0211   0.01566   0.01160  -0.1335   0.9425   0.0171
  -5.500   0.0527   0.01446   0.01011  -0.1344   0.9398   0.0176
  -5.250   0.0840   0.01278   0.00822  -0.1356   0.9373   0.0185
  -5.000   0.1080   0.01238   0.00776  -0.1347   0.9303   0.0190
  -4.750   0.1388   0.01174   0.00702  -0.1354   0.9255   0.0196
  -4.500   0.1679   0.01109   0.00627  -0.1356   0.9196   0.0202
  -4.250   0.1967   0.01055   0.00561  -0.1357   0.9123   0.0208
  -4.000   0.2262   0.01015   0.00513  -0.1360   0.9047   0.0213
  -3.750   0.2552   0.00942   0.00430  -0.1363   0.8959   0.0224
  -3.500   0.2834   0.00919   0.00404  -0.1363   0.8852   0.0232
  -3.250   0.3121   0.00892   0.00372  -0.1364   0.8735   0.0240
  -3.000   0.3404   0.00869   0.00340  -0.1364   0.8602   0.0249
  -2.750   0.3681   0.00854   0.00316  -0.1362   0.8450   0.0257
  -2.500   0.3947   0.00821   0.00274  -0.1359   0.8281   0.0272
  -2.250   0.4212   0.00815   0.00261  -0.1355   0.8096   0.0287
  -2.000   0.4473   0.00814   0.00250  -0.1350   0.7901   0.0305
  -1.750   0.4728   0.00802   0.00228  -0.1345   0.7696   0.0327
  -1.500   0.4980   0.00803   0.00222  -0.1338   0.7477   0.0353
  -1.250   0.5229   0.00808   0.00215  -0.1331   0.7255   0.0379
  -1.000   0.5478   0.00808   0.00207  -0.1324   0.7024   0.0425
  -0.750   0.5722   0.00816   0.00204  -0.1316   0.6794   0.0464
  -0.500   0.5969   0.00821   0.00202  -0.1309   0.6554   0.0523
  -0.250   0.6212   0.00830   0.00200  -0.1302   0.6315   0.0586
   0.000   0.6461   0.00839   0.00201  -0.1295   0.6081   0.0663
   0.250   0.6704   0.00848   0.00203  -0.1288   0.5847   0.0810
   0.500   0.6950   0.00846   0.00208  -0.1282   0.5607   0.1433
   0.750   0.7126   0.00696   0.00237  -0.1269   0.5403   0.8470
   1.000   0.7420   0.00694   0.00247  -0.1269   0.5182   1.0000
   1.250   0.7658   0.00714   0.00253  -0.1260   0.4962   1.0000
   1.500   0.7897   0.00735   0.00261  -0.1253   0.4754   1.0000
   1.750   0.8142   0.00755   0.00268  -0.1246   0.4571   1.0000
   2.000   0.8389   0.00775   0.00277  -0.1240   0.4394   1.0000
   2.250   0.8635   0.00795   0.00287  -0.1234   0.4218   1.0000
   2.500   0.8882   0.00816   0.00297  -0.1228   0.4052   1.0000
   2.750   0.9129   0.00836   0.00308  -0.1223   0.3906   1.0000
   3.000   0.9377   0.00856   0.00320  -0.1217   0.3769   1.0000
   3.250   0.9622   0.00878   0.00333  -0.1212   0.3634   1.0000
   3.500   0.9868   0.00899   0.00346  -0.1206   0.3501   1.0000
   3.750   1.0116   0.00918   0.00359  -0.1201   0.3385   1.0000
   4.000   1.0362   0.00938   0.00373  -0.1195   0.3281   1.0000
   4.250   1.0602   0.00961   0.00389  -0.1189   0.3176   1.0000
   4.500   1.0850   0.00979   0.00403  -0.1184   0.3084   1.0000
   4.750   1.1089   0.01001   0.00420  -0.1177   0.2991   1.0000
   5.000   1.1327   0.01024   0.00437  -0.1171   0.2896   1.0000
   5.250   1.1567   0.01044   0.00454  -0.1164   0.2819   1.0000
   5.500   1.1797   0.01068   0.00473  -0.1156   0.2739   1.0000
   5.750   1.2027   0.01087   0.00491  -0.1148   0.2673   1.0000
   6.000   1.2249   0.01111   0.00512  -0.1138   0.2601   1.0000
   6.250   1.2474   0.01134   0.00533  -0.1129   0.2537   1.0000
   6.500   1.2696   0.01158   0.00555  -0.1119   0.2470   1.0000
   6.750   1.2912   0.01185   0.00580  -0.1109   0.2405   1.0000
   7.000   1.3138   0.01207   0.00602  -0.1100   0.2353   1.0000
   7.250   1.3352   0.01237   0.00628  -0.1090   0.2294   1.0000
   7.500   1.3573   0.01262   0.00654  -0.1080   0.2247   1.0000
   7.750   1.3793   0.01287   0.00680  -0.1071   0.2199   1.0000
   8.000   1.3998   0.01320   0.00711  -0.1060   0.2146   1.0000
   8.250   1.4213   0.01348   0.00740  -0.1050   0.2102   1.0000
   8.500   1.4428   0.01375   0.00769  -0.1040   0.2059   1.0000
   8.750   1.4630   0.01410   0.00803  -0.1029   0.2012   1.0000
   9.000   1.4829   0.01445   0.00839  -0.1016   0.1971   1.0000
   9.250   1.5042   0.01473   0.00871  -0.1007   0.1940   1.0000
   9.500   1.5244   0.01507   0.00906  -0.0996   0.1904   1.0000
   9.750   1.5431   0.01548   0.00948  -0.0982   0.1863   1.0000
  10.000   1.5625   0.01586   0.00987  -0.0970   0.1823   1.0000
  10.250   1.5826   0.01620   0.01023  -0.0960   0.1768   1.0000
  10.500   1.5997   0.01670   0.01071  -0.0944   0.1710   1.0000
  10.750   1.6192   0.01706   0.01112  -0.0933   0.1679   1.0000
  11.000   1.6380   0.01746   0.01155  -0.0921   0.1639   1.0000
  11.250   1.6549   0.01798   0.01207  -0.0906   0.1594   1.0000
  11.500   1.6721   0.01848   0.01259  -0.0893   0.1552   1.0000
  11.750   1.6901   0.01893   0.01308  -0.0880   0.1509   1.0000
  12.000   1.7052   0.01955   0.01369  -0.0864   0.1453   1.0000
  12.250   1.7217   0.02009   0.01427  -0.0850   0.1405   1.0000
  12.500   1.7363   0.02075   0.01493  -0.0834   0.1344   1.0000
  12.750   1.7505   0.02146   0.01565  -0.0817   0.1286   1.0000
  13.000   1.7635   0.02223   0.01642  -0.0800   0.1217   1.0000
  13.250   1.7756   0.02308   0.01728  -0.0781   0.1146   1.0000
  13.500   1.7842   0.02416   0.01833  -0.0759   0.1051   1.0000
  13.750   1.7896   0.02548   0.01960  -0.0734   0.0925   1.0000
  14.000   1.7858   0.02749   0.02148  -0.0700   0.0738   1.0000
  14.250   1.7736   0.03020   0.02406  -0.0659   0.0522   1.0000
  14.500   1.7599   0.03324   0.02702  -0.0621   0.0357   1.0000
  14.750   1.7513   0.03605   0.02982  -0.0593   0.0266   1.0000
  15.000   1.7472   0.03864   0.03244  -0.0572   0.0216   1.0000
  15.250   1.7454   0.04116   0.03502  -0.0555   0.0187   1.0000
  15.500   1.7439   0.04376   0.03770  -0.0541   0.0166   1.0000
  15.750   1.7414   0.04657   0.04058  -0.0530   0.0152   1.0000
  16.000   1.7358   0.04984   0.04394  -0.0519   0.0138   1.0000
  16.250   1.7349   0.05273   0.04693  -0.0513   0.0131   1.0000
  16.500   1.7307   0.05609   0.05039  -0.0509   0.0124   1.0000
  16.750   1.7231   0.05998   0.05437  -0.0506   0.0117   1.0000
  17.000   1.7115   0.06452   0.05902  -0.0506   0.0111   1.0000
  17.250   1.7030   0.06880   0.06341  -0.0509   0.0107   1.0000
  17.500   1.6940   0.07326   0.06800  -0.0514   0.0104   1.0000
  17.750   1.6831   0.07808   0.07294  -0.0521   0.0100   1.0000
  18.000   1.6690   0.08341   0.07840  -0.0531   0.0097   1.0000
  18.250   1.6528   0.08920   0.08431  -0.0543   0.0095   1.0000
  18.500   1.6347   0.09541   0.09064  -0.0559   0.0093   1.0000
  18.750   1.6151   0.10190   0.09726  -0.0577   0.0092   1.0000
  19.000   1.5941   0.10870   0.10420  -0.0598   0.0090   1.0000
  19.250   1.5730   0.11567   0.11130  -0.0621   0.0089   1.0000
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