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LOCKHEED L-188 ROOT AIRFOIL (l188root-il) Xfoil prediction polar at RE=500,000 Ncrit=9


Details Polar file
Airfoil: LOCKHEED L-188 ROOT AIRFOIL (l188root-il)
Reynolds number: 500,000
Max Cl/Cd: 94.86 at α=4.75°
Description: Mach=0 Ncrit=9
Source: Xfoil prediction
Download polar: xf-l188root-il-500000.txt
Download as CSV file: xf-l188root-il-500000.csv

  
       XFOIL         Version 6.96
  
 Calculated polar for: LOCKHEED L-188 ROOT AIRFOIL                     
  
 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
  ------ -------- --------- --------- -------- -------- --------
 -15.750  -0.5166   0.17049   0.16787  -0.0133   1.0000   0.0287
 -15.500  -0.8191   0.08575   0.08270  -0.0547   1.0000   0.0237
 -15.250  -0.8672   0.07231   0.06903  -0.0644   1.0000   0.0235
 -15.000  -0.9002   0.06309   0.05958  -0.0710   1.0000   0.0235
 -14.750  -0.9251   0.05617   0.05244  -0.0755   1.0000   0.0235
 -14.500  -0.9449   0.05066   0.04670  -0.0785   1.0000   0.0235
 -14.250  -0.9597   0.04627   0.04209  -0.0803   1.0000   0.0236
 -14.000  -0.9705   0.04275   0.03834  -0.0812   1.0000   0.0237
 -13.750  -0.9815   0.03931   0.03469  -0.0811   1.0000   0.0239
 -13.500  -0.9856   0.03653   0.03178  -0.0805   1.0000   0.0241
 -13.250  -0.9833   0.03471   0.02988  -0.0794   1.0000   0.0244
 -13.000  -0.9810   0.03335   0.02846  -0.0777   1.0000   0.0246
 -12.750  -0.9925   0.03254   0.02760  -0.0728   1.0000   0.0248
 -12.500  -1.0231   0.03232   0.02732  -0.0638   0.9999   0.0248
 -12.250  -0.9995   0.03092   0.02582  -0.0652   0.9972   0.0252
 -12.000  -0.9751   0.02951   0.02427  -0.0665   0.9947   0.0258
 -11.750  -0.9511   0.02816   0.02277  -0.0676   0.9922   0.0263
 -11.500  -0.9269   0.02692   0.02135  -0.0684   0.9890   0.0270
 -11.250  -0.8996   0.02594   0.02014  -0.0696   0.9864   0.0276
 -11.000  -0.8731   0.02415   0.01830  -0.0710   0.9848   0.0284
 -10.750  -0.8420   0.02323   0.01735  -0.0727   0.9835   0.0291
 -10.500  -0.8142   0.02242   0.01648  -0.0736   0.9806   0.0299
 -10.250  -0.7870   0.02160   0.01557  -0.0743   0.9771   0.0307
 -10.000  -0.7580   0.02082   0.01465  -0.0752   0.9743   0.0316
  -9.750  -0.7296   0.01974   0.01348  -0.0761   0.9719   0.0325
  -9.500  -0.7042   0.01903   0.01279  -0.0763   0.9680   0.0335
  -9.250  -0.6798   0.01856   0.01229  -0.0760   0.9630   0.0346
  -9.000  -0.6536   0.01803   0.01168  -0.0761   0.9591   0.0359
  -8.750  -0.6284   0.01760   0.01115  -0.0758   0.9552   0.0369
  -8.500  -0.6092   0.01674   0.01030  -0.0746   0.9492   0.0382
  -8.250  -0.5856   0.01630   0.00985  -0.0740   0.9446   0.0395
  -8.000  -0.5619   0.01591   0.00941  -0.0733   0.9405   0.0411
  -7.750  -0.5384   0.01560   0.00902  -0.0726   0.9350   0.0425
  -7.500  -0.5171   0.01494   0.00840  -0.0716   0.9298   0.0445
  -7.250  -0.4933   0.01460   0.00803  -0.0709   0.9256   0.0465
  -7.000  -0.4688   0.01432   0.00768  -0.0703   0.9206   0.0484
  -6.750  -0.4463   0.01376   0.00714  -0.0695   0.9152   0.0510
  -6.500  -0.4215   0.01346   0.00682  -0.0689   0.9107   0.0538
  -6.250  -0.3971   0.01312   0.00644  -0.0683   0.9064   0.0567
  -6.000  -0.3725   0.01275   0.00610  -0.0678   0.9009   0.0603
  -5.750  -0.3465   0.01253   0.00583  -0.0674   0.8959   0.0639
  -5.500  -0.3221   0.01211   0.00543  -0.0668   0.8916   0.0692
  -5.250  -0.2962   0.01185   0.00516  -0.0664   0.8865   0.0745
  -5.000  -0.2706   0.01154   0.00488  -0.0661   0.8811   0.0814
  -4.750  -0.2447   0.01122   0.00458  -0.0657   0.8763   0.0898
  -4.500  -0.2185   0.01096   0.00433  -0.0654   0.8718   0.1001
  -4.250  -0.1923   0.01068   0.00411  -0.0652   0.8660   0.1136
  -4.000  -0.1660   0.01039   0.00389  -0.0649   0.8608   0.1321
  -3.750  -0.1397   0.01008   0.00365  -0.0647   0.8564   0.1582
  -3.500  -0.1139   0.00973   0.00347  -0.0645   0.8505   0.1968
  -3.250  -0.0885   0.00929   0.00326  -0.0642   0.8447   0.2566
  -3.000  -0.0647   0.00863   0.00298  -0.0638   0.8400   0.3609
  -2.750  -0.0424   0.00794   0.00286  -0.0630   0.8341   0.5095
  -2.500  -0.0162   0.00772   0.00282  -0.0626   0.8281   0.5713
  -2.250   0.0113   0.00761   0.00276  -0.0624   0.8231   0.6070
  -2.000   0.0390   0.00757   0.00275  -0.0623   0.8174   0.6326
  -1.750   0.0670   0.00753   0.00273  -0.0622   0.8114   0.6525
  -1.500   0.0953   0.00750   0.00269  -0.0621   0.8063   0.6691
  -1.250   0.1234   0.00748   0.00269  -0.0620   0.8003   0.6834
  -1.000   0.1516   0.00747   0.00268  -0.0620   0.7943   0.6965
  -0.750   0.1803   0.00748   0.00265  -0.0620   0.7892   0.7095
  -0.500   0.2083   0.00749   0.00269  -0.0619   0.7832   0.7216
  -0.250   0.2363   0.00749   0.00271  -0.0618   0.7771   0.7342
   0.000   0.2644   0.00753   0.00273  -0.0617   0.7719   0.7492
   0.250   0.2918   0.00756   0.00282  -0.0614   0.7659   0.7654
   0.500   0.3198   0.00758   0.00286  -0.0613   0.7601   0.7762
   0.750   0.3487   0.00761   0.00284  -0.0615   0.7549   0.7830
   1.000   0.3767   0.00760   0.00288  -0.0615   0.7483   0.7900
   1.250   0.4048   0.00761   0.00281  -0.0613   0.7383   0.7974
   1.500   0.4315   0.00754   0.00276  -0.0609   0.7244   0.8042
   1.750   0.4588   0.00754   0.00275  -0.0607   0.7124   0.8122
   2.000   0.4863   0.00755   0.00274  -0.0605   0.7028   0.8200
   2.250   0.5136   0.00755   0.00277  -0.0603   0.6928   0.8285
   2.500   0.5410   0.00757   0.00280  -0.0601   0.6836   0.8370
   2.750   0.5680   0.00758   0.00283  -0.0598   0.6734   0.8468
   3.000   0.5947   0.00759   0.00289  -0.0595   0.6630   0.8571
   3.500   0.6470   0.00765   0.00300  -0.0586   0.6393   0.8821
   3.750   0.6725   0.00769   0.00308  -0.0580   0.6258   0.8976
   4.000   0.6976   0.00775   0.00317  -0.0572   0.6101   0.9168
   4.250   0.7240   0.00785   0.00327  -0.0568   0.5912   0.9392
   4.500   0.7554   0.00803   0.00340  -0.0575   0.5660   0.9596
   4.750   0.7892   0.00832   0.00356  -0.0590   0.5266   0.9775
   5.000   0.8212   0.00893   0.00384  -0.0604   0.4519   0.9938
   5.250   0.8382   0.00995   0.00432  -0.0591   0.3531   1.0000
   5.500   0.8496   0.01068   0.00472  -0.0563   0.2930   1.0000
   5.750   0.8647   0.01131   0.00510  -0.0542   0.2477   1.0000
   6.000   0.8819   0.01187   0.00547  -0.0525   0.2124   1.0000
   6.250   0.8999   0.01240   0.00583  -0.0509   0.1847   1.0000
   6.500   0.9188   0.01288   0.00619  -0.0495   0.1626   1.0000
   6.750   0.9376   0.01336   0.00657  -0.0481   0.1448   1.0000
   7.000   0.9567   0.01382   0.00695  -0.0467   0.1304   1.0000
   7.250   0.9759   0.01426   0.00733  -0.0454   0.1187   1.0000
   7.500   0.9937   0.01470   0.00773  -0.0437   0.1091   1.0000
   7.750   1.0098   0.01522   0.00819  -0.0419   0.1006   1.0000
   8.000   1.0282   0.01565   0.00861  -0.0404   0.0939   1.0000
   8.250   1.0449   0.01619   0.00913  -0.0388   0.0877   1.0000
   8.500   1.0631   0.01668   0.00961  -0.0374   0.0823   1.0000
   8.750   1.0791   0.01731   0.01021  -0.0358   0.0774   1.0000
   9.000   1.0976   0.01780   0.01073  -0.0345   0.0733   1.0000
   9.250   1.1119   0.01856   0.01145  -0.0328   0.0691   1.0000
   9.500   1.1303   0.01909   0.01202  -0.0316   0.0660   1.0000
   9.750   1.1473   0.01971   0.01264  -0.0303   0.0629   1.0000
  10.000   1.1594   0.02066   0.01357  -0.0284   0.0599   1.0000
  10.250   1.1776   0.02122   0.01420  -0.0274   0.0577   1.0000
  10.500   1.1942   0.02190   0.01490  -0.0262   0.0553   1.0000
  10.750   1.2063   0.02288   0.01587  -0.0245   0.0530   1.0000
  11.000   1.2209   0.02373   0.01678  -0.0232   0.0512   1.0000
  11.250   1.2364   0.02452   0.01761  -0.0220   0.0494   1.0000
  11.500   1.2509   0.02538   0.01850  -0.0208   0.0478   1.0000
  11.750   1.2612   0.02656   0.01968  -0.0192   0.0461   1.0000
  12.000   1.2731   0.02766   0.02084  -0.0178   0.0448   1.0000
  12.250   1.2874   0.02857   0.02183  -0.0167   0.0434   1.0000
  12.500   1.3005   0.02960   0.02290  -0.0155   0.0421   1.0000
  12.750   1.3120   0.03075   0.02408  -0.0143   0.0409   1.0000
  13.000   1.3181   0.03236   0.02570  -0.0127   0.0398   1.0000
  13.250   1.3285   0.03367   0.02709  -0.0115   0.0389   1.0000
  13.500   1.3402   0.03488   0.02840  -0.0105   0.0380   1.0000
  13.750   1.3507   0.03620   0.02978  -0.0095   0.0370   1.0000
  14.000   1.3604   0.03759   0.03122  -0.0086   0.0360   1.0000
  14.250   1.3684   0.03915   0.03282  -0.0076   0.0352   1.0000
  14.500   1.3715   0.04118   0.03487  -0.0063   0.0344   1.0000
  14.750   1.3785   0.04292   0.03671  -0.0054   0.0338   1.0000
  15.000   1.3862   0.04463   0.03854  -0.0046   0.0332   1.0000
  15.250   1.3928   0.04649   0.04050  -0.0039   0.0325   1.0000
  15.500   1.3988   0.04845   0.04254  -0.0033   0.0319   1.0000
  15.750   1.4043   0.05049   0.04465  -0.0028   0.0313   1.0000
  16.000   1.4089   0.05265   0.04687  -0.0025   0.0307   1.0000
  16.250   1.4116   0.05504   0.04930  -0.0021   0.0302   1.0000
  16.500   1.4107   0.05777   0.05206  -0.0013   0.0295   1.0000
  16.750   1.4132   0.06039   0.05483  -0.0013   0.0292   1.0000
  17.000   1.4145   0.06318   0.05776  -0.0013   0.0287   1.0000
  17.250   1.4145   0.06618   0.06089  -0.0015   0.0283   1.0000
  17.500   1.4137   0.06935   0.06418  -0.0018   0.0279   1.0000
  17.750   1.4122   0.07267   0.06762  -0.0023   0.0275   1.0000
  18.000   1.4103   0.07613   0.07118  -0.0030   0.0271   1.0000
  18.250   1.4077   0.07971   0.07486  -0.0038   0.0268   1.0000
  18.500   1.4048   0.08341   0.07864  -0.0047   0.0265   1.0000
  18.750   1.4014   0.08722   0.08253  -0.0058   0.0262   1.0000
  19.000   1.3972   0.09117   0.08655  -0.0070   0.0259   1.0000
  19.250   1.3912   0.09531   0.09076  -0.0081   0.0256   1.0000
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