Xfoil polar. Reynolds number fixed. Mach number fixed Polar key,xf-fx66s171-il-100000 Airfoil,fx66s171-il Reynolds number,100000 Ncrit,9 Mach,0 Max Cl/Cd,13.2603 Max Cl/Cd alpha,1 Url,http://airfoiltools.com/polar/csv?polar=xf-fx66s171-il-100000 Alpha,Cl,Cd,Cdp,Cm,Top_Xtr,Bot_Xtr -10.000,-0.2561,0.09573,0.09186,-0.0722,0.9338,0.1594 -9.750,-0.1960,0.09131,0.08722,-0.0740,0.9142,0.1664 -9.500,-0.3680,0.05575,0.05108,-0.1096,0.8928,0.0702 -9.250,-0.3734,0.05117,0.04618,-0.1112,0.8724,0.0675 -9.000,-0.3869,0.04655,0.04097,-0.1112,0.8555,0.0638 -8.750,-0.3941,0.04350,0.03698,-0.1097,0.8411,0.0607 -8.500,-0.3808,0.04123,0.03426,-0.1089,0.8296,0.0603 -8.250,-0.3669,0.03823,0.03084,-0.1081,0.8194,0.0604 -8.000,-0.3514,0.03505,0.02750,-0.1077,0.8091,0.0626 -7.750,-0.3309,0.03342,0.02571,-0.1071,0.8003,0.0656 -7.500,-0.3111,0.03176,0.02375,-0.1062,0.7912,0.0684 -7.250,-0.2893,0.03018,0.02181,-0.1052,0.7833,0.0712 -7.000,-0.2667,0.02846,0.01999,-0.1046,0.7758,0.0761 -6.750,-0.2434,0.02735,0.01879,-0.1039,0.7694,0.0825 -6.500,-0.2209,0.02611,0.01753,-0.1031,0.7624,0.0896 -6.250,-0.1972,0.02526,0.01655,-0.1022,0.7572,0.0999 -6.000,-0.1785,0.02430,0.01579,-0.1010,0.7504,0.1133 -5.750,-0.1608,0.02324,0.01492,-0.0997,0.7447,0.1343 -5.500,-0.1462,0.02175,0.01381,-0.0984,0.7399,0.1906 -5.250,-0.1373,0.02086,0.01420,-0.0962,0.7338,0.4123 -5.000,-0.1128,0.02199,0.01519,-0.0946,0.7289,0.4695 -4.750,-0.0874,0.02297,0.01603,-0.0931,0.7250,0.5000 -4.500,-0.0658,0.02375,0.01675,-0.0917,0.7192,0.5229 -4.250,-0.0416,0.02453,0.01751,-0.0899,0.7145,0.5421 -4.000,-0.0164,0.02517,0.01805,-0.0882,0.7108,0.5612 -3.750,0.0040,0.02581,0.01869,-0.0866,0.7059,0.5774 -3.500,0.0258,0.02630,0.01914,-0.0851,0.7013,0.5928 -3.250,0.0500,0.02654,0.01927,-0.0839,0.6975,0.6068 -3.000,0.0752,0.02664,0.01922,-0.0832,0.6943,0.6193 -2.750,0.0936,0.02698,0.01953,-0.0825,0.6892,0.6311 -2.500,0.1154,0.02722,0.01973,-0.0815,0.6852,0.6397 -2.250,0.1412,0.02716,0.01953,-0.0815,0.6819,0.6489 -2.000,0.1689,0.02711,0.01932,-0.0815,0.6792,0.6577 -1.750,0.1840,0.02765,0.01989,-0.0807,0.6738,0.6646 -1.500,0.2054,0.02795,0.02014,-0.0804,0.6699,0.6722 -1.250,0.2309,0.02803,0.02012,-0.0806,0.6669,0.6796 -1.000,0.2592,0.02803,0.01999,-0.0807,0.6645,0.6865 -0.750,0.2729,0.02887,0.02085,-0.0801,0.6594,0.6936 -0.500,0.2897,0.02947,0.02147,-0.0792,0.6548,0.7002 -0.250,0.3147,0.02975,0.02165,-0.0795,0.6518,0.7084 0.000,0.3426,0.02980,0.02165,-0.0794,0.6494,0.7152 0.250,0.3471,0.03135,0.02325,-0.0781,0.6435,0.7225 0.500,0.3610,0.03215,0.02408,-0.0770,0.6385,0.7288 0.750,0.3908,0.03219,0.02404,-0.0774,0.6355,0.7376 1.000,0.4238,0.03196,0.02376,-0.0776,0.6334,0.7456 1.250,0.3972,0.03533,0.02728,-0.0738,0.6239,0.7532 1.500,0.4231,0.03550,0.02746,-0.0735,0.6207,0.7621 1.750,0.4592,0.03522,0.02713,-0.0742,0.6187,0.7726 2.000,0.3837,0.04120,0.03331,-0.0666,0.6080,0.7790 2.250,0.4197,0.04102,0.03312,-0.0673,0.6051,0.7902 2.500,0.4680,0.04030,0.03237,-0.0690,0.6033,0.8029 2.750,0.3886,0.04669,0.03889,-0.0621,0.5938,0.8126 3.000,0.4109,0.04741,0.03964,-0.0620,0.5904,0.8278 3.250,0.4550,0.04683,0.03911,-0.0629,0.5880,0.8477 4.000,0.4943,0.05245,0.04501,-0.0657,0.5731,1.0000 4.250,0.4820,0.05598,0.04849,-0.0657,0.5670,1.0000 4.500,0.4821,0.05884,0.05129,-0.0661,0.5640,1.0000 4.750,0.5099,0.05984,0.05222,-0.0671,0.5596,1.0000 5.000,0.4095,0.07105,0.06359,-0.0671,0.6099,1.0000 5.250,0.4425,0.07255,0.06503,-0.0684,0.6045,1.0000 5.500,0.4880,0.07485,0.06726,-0.0707,0.6021,1.0000 5.750,0.4576,0.07619,0.06860,-0.0678,0.5926,1.0000 6.000,0.4925,0.07794,0.07031,-0.0691,0.5885,1.0000 6.250,0.4852,0.07984,0.07221,-0.0679,0.5807,1.0000 6.500,0.5074,0.08148,0.07384,-0.0683,0.5752,1.0000 6.750,0.5477,0.08361,0.07596,-0.0699,0.5722,1.0000 7.000,0.5288,0.08523,0.07759,-0.0680,0.5621,1.0000 7.250,0.5605,0.08708,0.07944,-0.0689,0.5581,1.0000 7.500,0.5546,0.08927,0.08165,-0.0681,0.5510,1.0000 7.750,0.5783,0.09085,0.08326,-0.0685,0.5442,1.0000 8.000,0.6195,0.09320,0.08564,-0.0699,0.5415,1.0000 8.250,0.5949,0.09501,0.08747,-0.0683,0.5314,1.0000 8.500,0.6335,0.09694,0.08945,-0.0693,0.5272,1.0000 8.750,0.6165,0.09930,0.09184,-0.0684,0.5189,1.0000 9.000,0.6459,0.10106,0.09365,-0.0689,0.5133,1.0000