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Smoothed ATR airfoil coordinates obtained using AFSMO (Harry Morgan's NASA smoothing program) (atr72sm-il) Xfoil prediction polar at RE=500,000 Ncrit=5


Details Polar file
Airfoil: Smoothed ATR airfoil coordinates obtained using AFSMO (Harry Morgan's NASA smoothing program) (atr72sm-il)
Reynolds number: 500,000
Max Cl/Cd: 81.62 at α=9.5°
Description: Mach=0 Ncrit=5
Source: Xfoil prediction
Download polar: xf-atr72sm-il-500000-n5.txt
Download as CSV file: xf-atr72sm-il-500000-n5.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: Smoothed ATR airfoil coordinates obtained  using
  
 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
  ------ -------- --------- --------- -------- -------- --------
 -16.000  -0.8795   0.07562   0.07209  -0.0497   1.0000   0.0165
 -15.750  -0.9288   0.06229   0.05847  -0.0590   1.0000   0.0164
 -15.500  -0.9551   0.05407   0.05004  -0.0650   1.0000   0.0164
 -15.250  -0.9690   0.04855   0.04437  -0.0687   1.0000   0.0165
 -15.000  -0.9823   0.04382   0.03947  -0.0712   1.0000   0.0165
 -14.750  -0.9892   0.04038   0.03590  -0.0724   1.0000   0.0166
 -14.500  -0.9940   0.03752   0.03291  -0.0728   1.0000   0.0167
 -14.250  -0.9952   0.03528   0.03056  -0.0725   1.0000   0.0168
 -14.000  -0.9966   0.03324   0.02840  -0.0716   1.0000   0.0170
 -13.750  -0.9961   0.03154   0.02658  -0.0702   1.0000   0.0171
 -13.500  -0.9939   0.03009   0.02502  -0.0684   1.0000   0.0173
 -13.250  -0.9904   0.02883   0.02365  -0.0663   1.0000   0.0174
 -13.000  -0.9869   0.02766   0.02239  -0.0639   1.0000   0.0175
 -12.750  -0.9821   0.02667   0.02130  -0.0612   1.0000   0.0177
 -12.500  -0.9786   0.02576   0.02030  -0.0580   1.0000   0.0178
 -12.250  -0.9749   0.02502   0.01947  -0.0545   1.0000   0.0179
 -12.000  -0.9710   0.02431   0.01869  -0.0508   1.0000   0.0180
 -11.750  -0.9663   0.02353   0.01786  -0.0474   1.0000   0.0182
 -11.500  -0.9541   0.02271   0.01698  -0.0453   0.9982   0.0184
 -11.250  -0.9288   0.02179   0.01601  -0.0457   0.9908   0.0187
 -11.000  -0.9017   0.02099   0.01516  -0.0463   0.9856   0.0190
 -10.500  -0.8431   0.01954   0.01359  -0.0480   0.9764   0.0197
 -10.250  -0.8129   0.01886   0.01284  -0.0489   0.9718   0.0201
 -10.000  -0.7826   0.01822   0.01214  -0.0497   0.9671   0.0206
  -9.750  -0.7544   0.01763   0.01148  -0.0501   0.9613   0.0210
  -9.500  -0.7242   0.01705   0.01083  -0.0508   0.9563   0.0214
  -9.250  -0.6975   0.01647   0.01021  -0.0508   0.9476   0.0220
  -9.000  -0.6702   0.01597   0.00968  -0.0508   0.9374   0.0227
  -8.750  -0.6460   0.01557   0.00922  -0.0501   0.9267   0.0234
  -8.500  -0.6226   0.01519   0.00879  -0.0492   0.9170   0.0242
  -8.250  -0.5989   0.01482   0.00835  -0.0483   0.9077   0.0249
  -8.000  -0.5764   0.01446   0.00793  -0.0471   0.8967   0.0257
  -7.750  -0.5534   0.01409   0.00753  -0.0461   0.8862   0.0267
  -7.500  -0.5299   0.01377   0.00717  -0.0451   0.8748   0.0278
  -7.250  -0.5061   0.01348   0.00683  -0.0442   0.8632   0.0291
  -7.000  -0.4822   0.01317   0.00648  -0.0432   0.8506   0.0305
  -6.750  -0.4583   0.01291   0.00617  -0.0422   0.8344   0.0323
  -6.500  -0.4341   0.01268   0.00586  -0.0413   0.8156   0.0344
  -6.250  -0.4103   0.01246   0.00558  -0.0403   0.7924   0.0367
  -6.000  -0.3862   0.01229   0.00531  -0.0393   0.7674   0.0393
  -5.750  -0.3623   0.01215   0.00505  -0.0383   0.7404   0.0417
  -5.500  -0.3382   0.01202   0.00483  -0.0374   0.7145   0.0444
  -5.250  -0.3139   0.01194   0.00461  -0.0365   0.6861   0.0469
  -5.000  -0.2897   0.01182   0.00440  -0.0356   0.6597   0.0495
  -4.750  -0.2652   0.01174   0.00421  -0.0347   0.6326   0.0525
  -4.500  -0.2406   0.01168   0.00403  -0.0339   0.6067   0.0553
  -4.250  -0.2162   0.01160   0.00386  -0.0331   0.5816   0.0587
  -4.000  -0.1913   0.01155   0.00371  -0.0324   0.5583   0.0620
  -3.750  -0.1664   0.01147   0.00356  -0.0317   0.5332   0.0661
  -3.500  -0.1415   0.01143   0.00343  -0.0310   0.5036   0.0710
  -3.250  -0.1174   0.01143   0.00330  -0.0301   0.4625   0.0771
  -3.000  -0.0933   0.01148   0.00319  -0.0293   0.4249   0.0836
  -2.750  -0.0686   0.01147   0.00310  -0.0286   0.3998   0.0921
  -2.500  -0.0435   0.01144   0.00303  -0.0280   0.3819   0.1030
  -2.250  -0.0181   0.01139   0.00295  -0.0274   0.3687   0.1166
  -2.000   0.0076   0.01132   0.00289  -0.0269   0.3582   0.1318
  -1.750   0.0334   0.01124   0.00283  -0.0264   0.3498   0.1502
  -1.500   0.0590   0.01115   0.00277  -0.0259   0.3418   0.1728
  -1.250   0.0843   0.01105   0.00272  -0.0253   0.3345   0.2012
  -1.000   0.1093   0.01087   0.00266  -0.0247   0.3279   0.2428
  -0.750   0.1315   0.01047   0.00258  -0.0237   0.3215   0.3451
  -0.500   0.1543   0.01015   0.00255  -0.0228   0.3166   0.4403
  -0.250   0.1776   0.00990   0.00253  -0.0218   0.3119   0.5137
   0.000   0.1997   0.00965   0.00255  -0.0206   0.3073   0.5964
   0.250   0.2226   0.00952   0.00260  -0.0194   0.3028   0.6641
   0.500   0.2464   0.00940   0.00264  -0.0184   0.2990   0.7164
   0.750   0.2704   0.00931   0.00270  -0.0173   0.2947   0.7598
   1.000   0.2949   0.00929   0.00278  -0.0163   0.2902   0.7988
   1.250   0.3199   0.00934   0.00290  -0.0154   0.2863   0.8354
   1.500   0.3460   0.00941   0.00302  -0.0147   0.2832   0.8663
   1.750   0.3721   0.00951   0.00315  -0.0140   0.2801   0.8933
   2.000   0.3985   0.00963   0.00327  -0.0134   0.2767   0.9125
   2.250   0.4243   0.00975   0.00336  -0.0127   0.2731   0.9236
   2.500   0.4528   0.00991   0.00346  -0.0127   0.2694   0.9305
   2.750   0.4784   0.01001   0.00354  -0.0121   0.2666   0.9390
   3.000   0.5097   0.01013   0.00365  -0.0127   0.2637   0.9441
   3.250   0.5379   0.01026   0.00376  -0.0126   0.2608   0.9521
   3.500   0.5708   0.01043   0.00390  -0.0136   0.2576   0.9584
   3.750   0.6035   0.01062   0.00404  -0.0146   0.2546   0.9644
   4.000   0.6337   0.01079   0.00417  -0.0150   0.2518   0.9695
   4.250   0.6685   0.01092   0.00430  -0.0165   0.2491   0.9716
   4.500   0.7025   0.01107   0.00443  -0.0178   0.2461   0.9737
   4.750   0.7351   0.01123   0.00458  -0.0189   0.2434   0.9761
   5.000   0.7659   0.01141   0.00472  -0.0196   0.2407   0.9793
   5.250   0.7960   0.01161   0.00488  -0.0202   0.2379   0.9822
   5.500   0.8294   0.01177   0.00505  -0.0214   0.2356   0.9837
   5.750   0.8624   0.01192   0.00520  -0.0226   0.2330   0.9856
   6.000   0.8944   0.01209   0.00537  -0.0236   0.2304   0.9879
   6.250   0.9252   0.01227   0.00555  -0.0244   0.2280   0.9905
   6.500   0.9546   0.01247   0.00574  -0.0249   0.2255   0.9931
   6.750   0.9860   0.01270   0.00594  -0.0259   0.2228   0.9953
   7.000   1.0175   0.01289   0.00615  -0.0268   0.2205   0.9975
   7.250   1.0493   0.01307   0.00635  -0.0279   0.2183   0.9995
   7.500   1.0713   0.01325   0.00655  -0.0269   0.2162   1.0000
   7.750   1.0889   0.01342   0.00674  -0.0250   0.2142   1.0000
   8.000   1.1061   0.01361   0.00694  -0.0231   0.2120   1.0000
   8.250   1.1229   0.01382   0.00714  -0.0211   0.2097   1.0000
   8.500   1.1395   0.01407   0.00738  -0.0191   0.2074   1.0000
   8.750   1.1583   0.01426   0.00761  -0.0175   0.2059   1.0000
   9.000   1.1774   0.01445   0.00784  -0.0159   0.2040   1.0000
   9.250   1.1961   0.01466   0.00808  -0.0144   0.2018   1.0000
   9.500   1.2145   0.01488   0.00833  -0.0128   0.1994   1.0000
   9.750   1.2324   0.01514   0.00860  -0.0111   0.1973   1.0000
  10.000   1.2491   0.01542   0.00889  -0.0093   0.1950   1.0000
  10.250   1.2639   0.01572   0.00920  -0.0071   0.1928   1.0000
  10.500   1.2815   0.01596   0.00949  -0.0054   0.1910   1.0000
  10.750   1.2988   0.01622   0.00981  -0.0038   0.1889   1.0000
  11.000   1.3157   0.01652   0.01015  -0.0021   0.1866   1.0000
  11.250   1.3321   0.01685   0.01051  -0.0005   0.1840   1.0000
  11.500   1.3477   0.01723   0.01091   0.0012   0.1817   1.0000
  11.750   1.3622   0.01769   0.01137   0.0030   0.1793   1.0000
  12.000   1.3801   0.01803   0.01179   0.0042   0.1773   1.0000
  12.250   1.3971   0.01843   0.01225   0.0055   0.1750   1.0000
  12.500   1.4131   0.01887   0.01275   0.0069   0.1725   1.0000
  12.750   1.4278   0.01938   0.01329   0.0084   0.1697   1.0000
  13.000   1.4410   0.01998   0.01391   0.0099   0.1671   1.0000
  13.250   1.4551   0.02057   0.01456   0.0113   0.1649   1.0000
  13.500   1.4707   0.02111   0.01518   0.0124   0.1625   1.0000
  13.750   1.4845   0.02175   0.01588   0.0137   0.1592   1.0000
  14.000   1.4964   0.02252   0.01668   0.0150   0.1563   1.0000
  14.250   1.5056   0.02347   0.01765   0.0164   0.1531   1.0000
  14.500   1.5189   0.02423   0.01849   0.0175   0.1494   1.0000
  14.750   1.5288   0.02523   0.01953   0.0186   0.1448   1.0000
  15.000   1.5340   0.02658   0.02089   0.0199   0.1398   1.0000
  15.250   1.5424   0.02780   0.02216   0.0208   0.1339   1.0000
  15.500   1.5450   0.02950   0.02389   0.0218   0.1290   1.0000
  15.750   1.5508   0.03106   0.02552   0.0225   0.1254   1.0000
  16.000   1.5537   0.03293   0.02744   0.0231   0.1207   1.0000
  16.250   1.5525   0.03526   0.02982   0.0235   0.1171   1.0000
  16.500   1.5526   0.03760   0.03224   0.0237   0.1130   1.0000
  16.750   1.5494   0.04038   0.03509   0.0237   0.1090   1.0000
  17.000   1.5393   0.04406   0.03883   0.0232   0.1051   1.0000
  17.250   1.5350   0.04725   0.04212   0.0226   0.1025   1.0000
  17.500   1.5213   0.05164   0.04659   0.0216   0.0982   1.0000
  17.750   1.5054   0.05648   0.05153   0.0202   0.0959   1.0000
  18.000   1.4867   0.06189   0.05704   0.0185   0.0935   1.0000
  18.250   1.4676   0.06752   0.06279   0.0165   0.0907   1.0000
  18.500   1.4457   0.07364   0.06903   0.0143   0.0885   1.0000
  18.750   1.4188   0.08056   0.07605   0.0116   0.0863   1.0000
  19.000   1.3907   0.08778   0.08336   0.0087   0.0841   1.0000
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