Xfoil polar. Reynolds number fixed. Mach number fixed Polar key,xf-fx66s171-il-500000 Airfoil,fx66s171-il Reynolds number,500000 Ncrit,9 Mach,0 Max Cl/Cd,113.926 Max Cl/Cd alpha,9 Url,http://airfoiltools.com/polar/csv?polar=xf-fx66s171-il-500000 Alpha,Cl,Cd,Cdp,Cm,Top_Xtr,Bot_Xtr -13.000,-0.4244,0.09427,0.09209,-0.0534,1.0000,0.0151 -12.750,-0.4702,0.07971,0.07745,-0.0618,1.0000,0.0146 -12.500,-0.5068,0.06903,0.06662,-0.0692,1.0000,0.0144 -12.250,-0.5374,0.06098,0.05845,-0.0746,1.0000,0.0141 -12.000,-0.5457,0.04825,0.04525,-0.0935,0.9330,0.0137 -11.750,-0.5268,0.03867,0.03483,-0.1125,0.8532,0.0137 -11.500,-0.5412,0.03551,0.03120,-0.1122,0.8009,0.0136 -11.250,-0.5502,0.03320,0.02857,-0.1112,0.7708,0.0137 -11.000,-0.5581,0.03110,0.02619,-0.1094,0.7495,0.0137 -10.750,-0.5601,0.02991,0.02478,-0.1069,0.7325,0.0140 -10.500,-0.5581,0.02835,0.02295,-0.1047,0.7190,0.0142 -10.250,-0.5497,0.02699,0.02135,-0.1031,0.7073,0.0145 -10.000,-0.5379,0.02573,0.01985,-0.1017,0.6966,0.0148 -9.750,-0.5232,0.02461,0.01852,-0.1005,0.6870,0.0151 -9.500,-0.5066,0.02363,0.01732,-0.0995,0.6785,0.0152 -9.250,-0.4928,0.02148,0.01503,-0.0982,0.6707,0.0157 -9.000,-0.4752,0.02048,0.01392,-0.0973,0.6635,0.0161 -8.750,-0.4555,0.01969,0.01308,-0.0965,0.6562,0.0167 -8.500,-0.4352,0.01902,0.01230,-0.0957,0.6497,0.0173 -8.250,-0.4142,0.01833,0.01152,-0.0950,0.6435,0.0180 -8.000,-0.3925,0.01772,0.01080,-0.0943,0.6374,0.0189 -7.750,-0.3698,0.01725,0.01020,-0.0938,0.6320,0.0195 -7.500,-0.3519,0.01610,0.00902,-0.0928,0.6267,0.0209 -7.250,-0.3280,0.01571,0.00858,-0.0924,0.6215,0.0228 -7.000,-0.3035,0.01537,0.00813,-0.0921,0.6168,0.0245 -6.750,-0.2818,0.01456,0.00730,-0.0915,0.6121,0.0272 -6.500,-0.2566,0.01421,0.00689,-0.0913,0.6074,0.0300 -6.250,-0.2327,0.01370,0.00628,-0.0909,0.6032,0.0334 -6.000,-0.2069,0.01336,0.00591,-0.0908,0.5992,0.0376 -5.750,-0.1815,0.01291,0.00544,-0.0906,0.5953,0.0436 -5.500,-0.1556,0.01255,0.00506,-0.0904,0.5916,0.0530 -5.250,-0.1300,0.01215,0.00468,-0.0903,0.5883,0.0720 -5.000,-0.1052,0.01156,0.00429,-0.0902,0.5851,0.1195 -4.750,-0.0811,0.01079,0.00387,-0.0902,0.5818,0.2064 -4.500,-0.0571,0.01005,0.00355,-0.0901,0.5784,0.3230 -4.250,-0.0304,0.00980,0.00343,-0.0901,0.5751,0.3766 -4.000,-0.0027,0.00978,0.00342,-0.0902,0.5720,0.4096 -3.750,0.0258,0.00978,0.00341,-0.0903,0.5691,0.4323 -3.500,0.0542,0.00980,0.00341,-0.0904,0.5661,0.4499 -3.250,0.0828,0.00985,0.00343,-0.0905,0.5633,0.4644 -3.000,0.1116,0.00993,0.00343,-0.0906,0.5607,0.4763 -2.750,0.1400,0.01001,0.00345,-0.0907,0.5580,0.4857 -2.500,0.1685,0.01012,0.00351,-0.0909,0.5554,0.4968 -2.250,0.1972,0.01019,0.00354,-0.0910,0.5530,0.5068 -2.000,0.2255,0.01020,0.00356,-0.0911,0.5506,0.5142 -1.500,0.2827,0.01027,0.00358,-0.0914,0.5460,0.5278 -1.250,0.3114,0.01032,0.00357,-0.0916,0.5439,0.5325 -1.000,0.3404,0.01042,0.00358,-0.0919,0.5417,0.5368 -0.750,0.3689,0.01042,0.00359,-0.0921,0.5397,0.5406 -0.500,0.3973,0.01041,0.00360,-0.0923,0.5373,0.5444 -0.250,0.4258,0.01043,0.00360,-0.0924,0.5347,0.5486 0.000,0.4544,0.01047,0.00359,-0.0927,0.5322,0.5526 0.250,0.4828,0.01046,0.00358,-0.0928,0.5299,0.5563 0.500,0.5114,0.01053,0.00362,-0.0931,0.5277,0.5602 0.750,0.5400,0.01063,0.00370,-0.0933,0.5255,0.5646 1.000,0.5683,0.01066,0.00374,-0.0935,0.5234,0.5689 1.250,0.5964,0.01066,0.00379,-0.0937,0.5211,0.5730 1.500,0.6247,0.01070,0.00385,-0.0938,0.5189,0.5772 1.750,0.6531,0.01076,0.00389,-0.0941,0.5167,0.5817 2.000,0.6815,0.01081,0.00394,-0.0943,0.5146,0.5860 2.250,0.7099,0.01091,0.00405,-0.0945,0.5123,0.5907 2.500,0.7382,0.01103,0.00418,-0.0948,0.5103,0.5960 2.750,0.7660,0.01107,0.00428,-0.0949,0.5083,0.6012 3.000,0.7937,0.01111,0.00440,-0.0950,0.5061,0.6070 3.250,0.8217,0.01119,0.00450,-0.0951,0.5038,0.6138 3.500,0.8495,0.01124,0.00460,-0.0953,0.5016,0.6202 3.750,0.8777,0.01132,0.00471,-0.0955,0.4995,0.6276 4.000,0.9058,0.01144,0.00484,-0.0957,0.4973,0.6349 4.250,0.9336,0.01159,0.00503,-0.0959,0.4950,0.6442 4.500,0.9602,0.01160,0.00518,-0.0958,0.4926,0.6540 4.750,0.9872,0.01165,0.00532,-0.0958,0.4900,0.6651 5.000,1.0144,0.01170,0.00545,-0.0959,0.4874,0.6779 5.250,1.0417,0.01173,0.00557,-0.0959,0.4848,0.6933 5.500,1.0689,0.01180,0.00571,-0.0960,0.4822,0.7126 5.750,1.0951,0.01189,0.00593,-0.0958,0.4796,0.7393 6.000,1.1196,0.01185,0.00612,-0.0953,0.4768,0.7785 6.250,1.1415,0.01173,0.00630,-0.0941,0.4741,0.8521 6.500,1.1762,0.01165,0.00641,-0.0956,0.4713,1.0000 6.750,1.2036,0.01177,0.00655,-0.0958,0.4687,1.0000 7.000,1.2314,0.01201,0.00676,-0.0960,0.4658,1.0000 7.250,1.2562,0.01211,0.00697,-0.0957,0.4628,1.0000 7.500,1.2819,0.01224,0.00717,-0.0955,0.4596,1.0000 7.750,1.3080,0.01235,0.00733,-0.0954,0.4562,1.0000 8.000,1.3344,0.01246,0.00740,-0.0953,0.4513,1.0000 8.250,1.3545,0.01232,0.00739,-0.0940,0.4424,1.0000 8.500,1.3751,0.01226,0.00735,-0.0928,0.4310,1.0000 8.750,1.3956,0.01229,0.00740,-0.0916,0.4183,1.0000 9.000,1.4161,0.01243,0.00755,-0.0905,0.4063,1.0000 9.250,1.4357,0.01265,0.00779,-0.0893,0.3939,1.0000 9.500,1.4536,0.01296,0.00810,-0.0878,0.3802,1.0000 9.750,1.4681,0.01339,0.00850,-0.0858,0.3637,1.0000 10.000,1.4772,0.01391,0.00899,-0.0828,0.3417,1.0000 10.250,1.4774,0.01471,0.00968,-0.0785,0.3195,1.0000 10.500,1.4731,0.01577,0.01063,-0.0738,0.2927,1.0000 10.750,1.4623,0.01726,0.01197,-0.0688,0.2603,1.0000 11.000,1.4435,0.01944,0.01399,-0.0638,0.2268,1.0000 11.250,1.4196,0.02247,0.01687,-0.0595,0.1956,1.0000 11.500,1.3998,0.02581,0.02011,-0.0566,0.1691,1.0000 11.750,1.3786,0.02965,0.02385,-0.0543,0.1443,1.0000 12.000,1.3583,0.03364,0.02776,-0.0525,0.1213,1.0000 12.250,1.3392,0.03768,0.03171,-0.0510,0.1009,1.0000 12.500,1.3203,0.04183,0.03578,-0.0497,0.0799,1.0000 12.750,1.3030,0.04600,0.03986,-0.0487,0.0616,1.0000 13.000,1.2887,0.05005,0.04385,-0.0481,0.0459,1.0000 13.250,1.2777,0.05396,0.04771,-0.0477,0.0348,1.0000 13.500,1.2695,0.05770,0.05144,-0.0474,0.0272,1.0000 13.750,1.2665,0.06095,0.05473,-0.0473,0.0237,1.0000 14.000,1.2623,0.06445,0.05826,-0.0473,0.0207,1.0000 14.250,1.2631,0.06739,0.06127,-0.0474,0.0191,1.0000 14.500,1.2593,0.07096,0.06489,-0.0477,0.0174,1.0000 14.750,1.2566,0.07448,0.06847,-0.0479,0.0161,1.0000 15.000,1.2585,0.07747,0.07154,-0.0483,0.0151,1.0000 15.250,1.2583,0.08077,0.07491,-0.0487,0.0143,1.0000 15.500,1.2554,0.08448,0.07866,-0.0493,0.0133,1.0000 15.750,1.2492,0.08872,0.08298,-0.0500,0.0128,1.0000