NPL 9660 AIRFOIL (npl9660-il) Xfoil prediction polar at RE=1,000,000 Ncrit=9
| Details | Polar file | 
|---|---|
| 
Airfoil: NPL 9660 AIRFOIL (npl9660-il) Reynolds number: 1,000,000 Max Cl/Cd: 81.52 at α=7.25° Description: Mach=0 Ncrit=9 Source: Xfoil prediction Download polar: xf-npl9660-il-1000000.txt Download as CSV file: xf-npl9660-il-1000000.csv  | 
  
       XFOIL         Version 6.96
  
 Calculated polar for: NPL 9660 AIRFOIL                                
  
 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
  ------ -------- --------- --------- -------- -------- --------
 -13.000  -1.0584   0.04633   0.04383  -0.0317   1.0000   0.0143
 -12.750  -1.1096   0.03847   0.03546  -0.0304   1.0000   0.0142
 -12.500  -1.1267   0.03468   0.03135  -0.0276   1.0000   0.0141
 -12.250  -1.1282   0.03193   0.02833  -0.0255   1.0000   0.0141
 -12.000  -1.1224   0.02948   0.02562  -0.0239   1.0000   0.0141
 -11.750  -1.1121   0.02734   0.02325  -0.0226   1.0000   0.0141
 -11.500  -1.0984   0.02549   0.02120  -0.0214   1.0000   0.0141
 -11.250  -1.0821   0.02388   0.01940  -0.0205   1.0000   0.0140
 -11.000  -1.0638   0.02248   0.01783  -0.0197   1.0000   0.0140
 -10.750  -1.0441   0.02124   0.01644  -0.0190   1.0000   0.0140
 -10.500  -1.0233   0.02013   0.01521  -0.0184   1.0000   0.0140
 -10.250  -1.0017   0.01913   0.01410  -0.0178   1.0000   0.0140
 -10.000  -0.9796   0.01825   0.01311  -0.0172   1.0000   0.0140
  -9.750  -0.9569   0.01752   0.01231  -0.0167   1.0000   0.0140
  -9.500  -0.9345   0.01685   0.01156  -0.0161   1.0000   0.0141
  -9.250  -0.9140   0.01616   0.01080  -0.0150   1.0000   0.0141
  -9.000  -0.8939   0.01553   0.01010  -0.0139   0.9996   0.0141
  -8.750  -0.8640   0.01485   0.00935  -0.0147   0.9970   0.0140
  -8.500  -0.8335   0.01423   0.00866  -0.0156   0.9947   0.0140
  -8.250  -0.8023   0.01366   0.00804  -0.0166   0.9923   0.0140
  -8.000  -0.7706   0.01314   0.00748  -0.0177   0.9896   0.0140
  -7.750  -0.7388   0.01267   0.00697  -0.0187   0.9866   0.0141
  -7.500  -0.7081   0.01226   0.00652  -0.0195   0.9832   0.0141
  -7.250  -0.6818   0.01194   0.00616  -0.0193   0.9788   0.0141
  -7.000  -0.6573   0.01170   0.00588  -0.0186   0.9737   0.0142
  -6.750  -0.6339   0.01149   0.00565  -0.0177   0.9689   0.0143
  -6.500  -0.6110   0.01128   0.00541  -0.0166   0.9637   0.0143
  -6.250  -0.5884   0.01111   0.00521  -0.0154   0.9590   0.0145
  -6.000  -0.5636   0.01086   0.00494  -0.0148   0.9540   0.0146
  -5.750  -0.5407   0.01066   0.00472  -0.0136   0.9492   0.0148
  -5.500  -0.5145   0.01040   0.00445  -0.0132   0.9447   0.0151
  -5.250  -0.4892   0.01015   0.00419  -0.0125   0.9396   0.0155
  -5.000  -0.4648   0.00991   0.00395  -0.0117   0.9357   0.0165
  -4.750  -0.4376   0.00968   0.00371  -0.0115   0.9310   0.0182
  -4.500  -0.4116   0.00943   0.00347  -0.0110   0.9260   0.0201
  -4.250  -0.3864   0.00921   0.00326  -0.0103   0.9215   0.0233
  -4.000  -0.3591   0.00902   0.00310  -0.0101   0.9157   0.0271
  -3.750  -0.3324   0.00886   0.00292  -0.0097   0.9087   0.0291
  -3.500  -0.3059   0.00869   0.00275  -0.0093   0.9012   0.0311
  -3.250  -0.2786   0.00854   0.00259  -0.0090   0.8911   0.0324
  -3.000  -0.2511   0.00841   0.00244  -0.0088   0.8812   0.0335
  -2.750  -0.2237   0.00828   0.00228  -0.0086   0.8701   0.0346
  -2.500  -0.1957   0.00815   0.00215  -0.0085   0.8572   0.0363
  -2.250  -0.1681   0.00805   0.00202  -0.0084   0.8417   0.0378
  -2.000  -0.1402   0.00798   0.00190  -0.0083   0.8245   0.0395
  -1.750  -0.1122   0.00790   0.00179  -0.0082   0.8057   0.0423
  -1.500  -0.0841   0.00786   0.00170  -0.0082   0.7826   0.0455
  -1.250  -0.0560   0.00783   0.00161  -0.0082   0.7568   0.0503
  -1.000  -0.0276   0.00781   0.00153  -0.0082   0.7319   0.0576
  -0.750   0.0008   0.00775   0.00147  -0.0084   0.7112   0.0737
  -0.500   0.0261   0.00648   0.00120  -0.0088   0.6902   0.3950
  -0.250   0.0532   0.00595   0.00113  -0.0090   0.6672   0.5461
   0.000   0.0813   0.00576   0.00111  -0.0092   0.6410   0.6187
   0.500   0.1373   0.00557   0.00111  -0.0093   0.5862   0.7350
   0.750   0.1647   0.00548   0.00117  -0.0091   0.5664   0.7939
   1.000   0.1920   0.00549   0.00124  -0.0089   0.5488   0.8326
   1.250   0.2188   0.00555   0.00134  -0.0084   0.5311   0.8600
   1.500   0.2459   0.00567   0.00143  -0.0081   0.5118   0.8800
   1.750   0.2729   0.00579   0.00152  -0.0078   0.4941   0.8936
   2.000   0.2995   0.00594   0.00163  -0.0073   0.4770   0.9070
   2.250   0.3242   0.00615   0.00180  -0.0063   0.4601   0.9210
   2.500   0.3490   0.00633   0.00193  -0.0055   0.4427   0.9268
   2.750   0.3759   0.00650   0.00204  -0.0052   0.4245   0.9316
   3.000   0.4036   0.00667   0.00214  -0.0051   0.4042   0.9358
   3.250   0.4289   0.00685   0.00224  -0.0045   0.3796   0.9394
   3.500   0.4547   0.00710   0.00236  -0.0040   0.3488   0.9439
   3.750   0.4821   0.00740   0.00252  -0.0041   0.3131   0.9482
   4.000   0.5058   0.00762   0.00261  -0.0032   0.2817   0.9519
   4.250   0.5305   0.00789   0.00274  -0.0026   0.2499   0.9563
   4.500   0.5567   0.00814   0.00290  -0.0023   0.2264   0.9602
   4.750   0.5796   0.00831   0.00296  -0.0013   0.2009   0.9644
   5.000   0.6038   0.00852   0.00307  -0.0006   0.1794   0.9690
   5.250   0.6283   0.00868   0.00315   0.0000   0.1607   0.9732
   5.500   0.6540   0.00885   0.00326   0.0004   0.1467   0.9774
   5.750   0.6806   0.00903   0.00339   0.0005   0.1354   0.9815
   6.000   0.7110   0.00925   0.00356  -0.0002   0.1245   0.9852
   6.250   0.7435   0.00949   0.00376  -0.0014   0.1145   0.9882
   6.500   0.7759   0.00975   0.00398  -0.0027   0.1051   0.9905
   6.750   0.8073   0.01003   0.00421  -0.0037   0.0956   0.9923
   7.000   0.8392   0.01033   0.00445  -0.0048   0.0821   0.9941
   7.250   0.8714   0.01069   0.00474  -0.0061   0.0690   0.9961
   7.500   0.9020   0.01120   0.00515  -0.0072   0.0514   0.9984
   7.750   0.9283   0.01176   0.00561  -0.0073   0.0358   1.0000
   8.000   0.9488   0.01219   0.00601  -0.0062   0.0300   1.0000
   8.250   0.9720   0.01256   0.00637  -0.0056   0.0273   1.0000
   8.500   0.9961   0.01298   0.00680  -0.0052   0.0252   1.0000
   8.750   1.0212   0.01335   0.00719  -0.0050   0.0238   1.0000
   9.000   1.0459   0.01381   0.00766  -0.0048   0.0224   1.0000
   9.250   1.0704   0.01430   0.00818  -0.0045   0.0213   1.0000
   9.500   1.0955   0.01471   0.00863  -0.0044   0.0203   1.0000
   9.750   1.1200   0.01519   0.00913  -0.0042   0.0193   1.0000
  10.000   1.1420   0.01595   0.00993  -0.0037   0.0182   1.0000
  10.250   1.1659   0.01646   0.01049  -0.0034   0.0176   1.0000
  10.500   1.1893   0.01699   0.01108  -0.0031   0.0170   1.0000
  10.750   1.2119   0.01758   0.01171  -0.0027   0.0164   1.0000
  11.000   1.2338   0.01822   0.01239  -0.0022   0.0159   1.0000
  11.250   1.2535   0.01903   0.01325  -0.0015   0.0154   1.0000
  11.500   1.2678   0.02029   0.01459  -0.0002   0.0149   1.0000
  11.750   1.2858   0.02112   0.01550   0.0007   0.0147   1.0000
  12.000   1.3039   0.02188   0.01633   0.0016   0.0145   1.0000
  12.250   1.3193   0.02271   0.01723   0.0028   0.0143   1.0000
  12.500   1.3314   0.02364   0.01824   0.0044   0.0141   1.0000
  12.750   1.3424   0.02468   0.01936   0.0060   0.0140   1.0000
  13.000   1.3531   0.02577   0.02053   0.0074   0.0138   1.0000
  13.250   1.3628   0.02697   0.02182   0.0088   0.0136   1.0000
  13.500   1.3714   0.02831   0.02324   0.0100   0.0134   1.0000
  13.750   1.3781   0.02987   0.02488   0.0111   0.0133   1.0000
  14.000   1.3835   0.03164   0.02674   0.0119   0.0131   1.0000
  14.250   1.3878   0.03363   0.02882   0.0125   0.0130   1.0000
  14.500   1.3908   0.03588   0.03117   0.0128   0.0129   1.0000
  14.750   1.3923   0.03845   0.03384   0.0128   0.0129   1.0000
  15.000   1.3925   0.04132   0.03681   0.0123   0.0128   1.0000
  15.250   1.3910   0.04455   0.04015   0.0116   0.0127   1.0000
  15.500   1.3881   0.04809   0.04380   0.0105   0.0127   1.0000
  15.750   1.3834   0.05200   0.04781   0.0092   0.0126   1.0000
  16.000   1.3771   0.05625   0.05217   0.0075   0.0126   1.0000
  16.250   1.3690   0.06080   0.05684   0.0057   0.0125   1.0000
  16.500   1.3597   0.06566   0.06182   0.0036   0.0125   1.0000
  16.750   1.3490   0.07086   0.06712   0.0013   0.0125   1.0000
  17.000   1.3374   0.07629   0.07267  -0.0012   0.0125   1.0000
  17.250   1.3250   0.08202   0.07851  -0.0038   0.0125   1.0000
  17.500   1.3120   0.08793   0.08454  -0.0067   0.0124   1.0000
  17.750   1.2982   0.09413   0.09085  -0.0097   0.0124   1.0000
  18.000   1.2843   0.10048   0.09732  -0.0129   0.0124   1.0000
  18.250   1.2701   0.10696   0.10391  -0.0161   0.0124   1.0000
  18.500   1.2556   0.11367   0.11074  -0.0196   0.0124   1.0000
  18.750   1.2403   0.12070   0.11788  -0.0234   0.0124   1.0000
  19.000   1.2254   0.12776   0.12505  -0.0272   0.0124   1.0000
  19.250   1.2097   0.13515   0.13257  -0.0314   0.0125   1.0000
 | 
Polar data table (+)
Polar graphs
<< Back to NPL 9660 AIRFOIL (npl9660-il)