Xfoil polar. Reynolds number fixed. Mach number fixed Polar key,xf-sd8040-il-100000 Airfoil,sd8040-il Reynolds number,100000 Ncrit,9 Mach,0 Max Cl/Cd,51.4954 Max Cl/Cd alpha,5.5 Url,http://www.airfoiltools.com/polar/csv?polar=xf-sd8040-il-100000 Alpha,Cl,Cd,Cdp,Cm,Top_Xtr,Bot_Xtr -9.500,-0.3893,0.10719,0.10201,-0.0239,1.0000,0.0983 -9.250,-0.3973,0.10468,0.09959,-0.0273,1.0000,0.1023 -9.000,-0.4242,0.10299,0.09805,-0.0341,1.0000,0.1037 -8.750,-0.3952,0.09725,0.09227,-0.0295,1.0000,0.1060 -8.500,-0.3823,0.09421,0.08924,-0.0282,1.0000,0.1095 -8.250,-0.3818,0.09136,0.08645,-0.0291,1.0000,0.1137 -8.000,-0.4069,0.08925,0.08450,-0.0331,1.0000,0.1175 -7.750,-0.4465,0.08662,0.08199,-0.0406,1.0000,0.1184 -7.500,-0.4082,0.08256,0.07797,-0.0312,1.0000,0.1215 -7.250,-0.4039,0.08018,0.07564,-0.0292,1.0000,0.1247 -7.000,-0.4126,0.07755,0.07310,-0.0296,1.0000,0.1286 -6.750,-0.4592,0.07416,0.06959,-0.0384,1.0000,0.1339 -6.500,-0.4420,0.07077,0.06641,-0.0328,1.0000,0.1359 -6.250,-0.4357,0.06884,0.06454,-0.0292,1.0000,0.1395 -6.000,-0.4546,0.06518,0.06063,-0.0347,1.0000,0.1497 -5.750,-0.4432,0.06277,0.05844,-0.0295,1.0000,0.1529 -5.500,-0.4460,0.05970,0.05515,-0.0321,1.0000,0.1657 -5.250,-0.4367,0.05749,0.05312,-0.0280,1.0000,0.1697 -5.000,-0.4319,0.05449,0.04999,-0.0288,1.0000,0.1831 -4.750,-0.3988,0.03656,0.03015,-0.0384,1.0000,0.0797 -4.500,-0.3778,0.03274,0.02576,-0.0379,1.0000,0.0721 -4.250,-0.3554,0.02940,0.02184,-0.0374,1.0000,0.0687 -4.000,-0.3314,0.02695,0.01879,-0.0368,1.0000,0.0675 -3.750,-0.3091,0.02554,0.01719,-0.0361,1.0000,0.0698 -3.500,-0.2865,0.02437,0.01574,-0.0354,1.0000,0.0735 -3.250,-0.2633,0.02327,0.01431,-0.0345,1.0000,0.0761 -3.000,-0.2410,0.02185,0.01290,-0.0338,1.0000,0.0804 -2.750,-0.2044,0.02096,0.01195,-0.0357,0.9955,0.0917 -2.500,-0.1615,0.01999,0.01114,-0.0387,0.9880,0.1131 -2.250,-0.1195,0.01894,0.01039,-0.0416,0.9803,0.1661 -2.000,-0.0799,0.01717,0.01004,-0.0447,0.9734,0.4025 -1.750,-0.0526,0.01628,0.01041,-0.0435,0.9637,0.7077 -1.500,0.0137,0.01599,0.01046,-0.0487,0.9594,1.0000 -1.250,0.0564,0.01615,0.01031,-0.0520,0.9475,1.0000 -1.000,0.0988,0.01631,0.01021,-0.0551,0.9359,1.0000 -0.750,0.1457,0.01644,0.01012,-0.0589,0.9256,1.0000 -0.500,0.1948,0.01646,0.00995,-0.0629,0.9156,1.0000 -0.250,0.2354,0.01646,0.00982,-0.0652,0.9031,1.0000 0.000,0.2803,0.01638,0.00961,-0.0681,0.8922,1.0000 0.250,0.3282,0.01615,0.00928,-0.0713,0.8828,1.0000 0.500,0.3619,0.01602,0.00908,-0.0719,0.8689,1.0000 0.750,0.3950,0.01587,0.00886,-0.0722,0.8551,1.0000 1.000,0.4272,0.01568,0.00861,-0.0722,0.8412,1.0000 1.250,0.4584,0.01547,0.00835,-0.0719,0.8269,1.0000 1.500,0.4881,0.01526,0.00808,-0.0713,0.8119,1.0000 1.750,0.5164,0.01507,0.00784,-0.0704,0.7959,1.0000 2.000,0.5438,0.01491,0.00762,-0.0694,0.7788,1.0000 2.250,0.5708,0.01477,0.00742,-0.0683,0.7608,1.0000 2.500,0.5978,0.01466,0.00723,-0.0672,0.7423,1.0000 2.750,0.6249,0.01458,0.00706,-0.0661,0.7233,1.0000 3.000,0.6491,0.01466,0.00709,-0.0648,0.7003,1.0000 3.250,0.6749,0.01471,0.00704,-0.0637,0.6785,1.0000 3.500,0.6999,0.01484,0.00709,-0.0625,0.6552,1.0000 3.750,0.7249,0.01501,0.00717,-0.0614,0.6313,1.0000 4.000,0.7494,0.01523,0.00729,-0.0603,0.6068,1.0000 4.250,0.7740,0.01547,0.00742,-0.0592,0.5823,1.0000 4.500,0.7978,0.01578,0.00767,-0.0581,0.5566,1.0000 4.750,0.8222,0.01610,0.00784,-0.0571,0.5323,1.0000 5.000,0.8453,0.01647,0.00816,-0.0560,0.5060,1.0000 5.250,0.8688,0.01688,0.00846,-0.0550,0.4810,1.0000 5.500,0.8919,0.01732,0.00881,-0.0539,0.4561,1.0000 5.750,0.9145,0.01779,0.00923,-0.0529,0.4310,1.0000 6.000,0.9374,0.01831,0.00961,-0.0519,0.4074,1.0000 6.250,0.9593,0.01886,0.01014,-0.0508,0.3827,1.0000 6.500,0.9817,0.01946,0.01061,-0.0498,0.3603,1.0000 6.750,1.0030,0.02008,0.01122,-0.0487,0.3368,1.0000 7.000,1.0246,0.02075,0.01180,-0.0477,0.3153,1.0000 7.250,1.0456,0.02147,0.01248,-0.0466,0.2943,1.0000 7.500,1.0662,0.02222,0.01322,-0.0455,0.2737,1.0000 7.750,1.0866,0.02300,0.01393,-0.0444,0.2547,1.0000 8.000,1.1072,0.02388,0.01471,-0.0434,0.2369,1.0000 8.250,1.1266,0.02478,0.01562,-0.0422,0.2195,1.0000 8.500,1.1457,0.02572,0.01659,-0.0410,0.2032,1.0000 8.750,1.1644,0.02672,0.01759,-0.0398,0.1879,1.0000 9.000,1.1830,0.02780,0.01868,-0.0386,0.1738,1.0000 9.250,1.2014,0.02896,0.01982,-0.0374,0.1608,1.0000 9.500,1.2206,0.03023,0.02099,-0.0365,0.1486,1.0000 9.750,1.2360,0.03139,0.02236,-0.0349,0.1376,1.0000 10.000,1.2523,0.03288,0.02399,-0.0335,0.1276,1.0000 10.250,1.2709,0.03450,0.02557,-0.0326,0.1190,1.0000 10.500,1.2859,0.03591,0.02711,-0.0311,0.1111,1.0000 10.750,1.3013,0.03789,0.02924,-0.0298,0.1044,1.0000 11.000,1.3158,0.03951,0.03099,-0.0284,0.0984,1.0000 11.250,1.3304,0.04182,0.03342,-0.0272,0.0933,1.0000 11.500,1.3376,0.04389,0.03582,-0.0251,0.0890,1.0000 11.750,1.3531,0.04581,0.03775,-0.0242,0.0850,1.0000 12.000,1.3581,0.04878,0.04097,-0.0223,0.0820,1.0000 12.250,1.3508,0.05132,0.04393,-0.0191,0.0799,1.0000 12.500,1.3435,0.05394,0.04685,-0.0161,0.0780,1.0000 12.750,1.3389,0.05667,0.04980,-0.0139,0.0762,1.0000 13.000,1.3362,0.05940,0.05268,-0.0122,0.0746,1.0000 13.250,1.3467,0.06320,0.05643,-0.0120,0.0721,1.0000 13.500,1.3229,0.06687,0.06042,-0.0100,0.0718,1.0000 13.750,1.2982,0.07132,0.06517,-0.0093,0.0717,1.0000 14.000,1.2714,0.07657,0.07068,-0.0097,0.0717,1.0000 14.250,1.2430,0.08270,0.07705,-0.0115,0.0718,1.0000 14.500,1.2144,0.08981,0.08436,-0.0144,0.0721,1.0000 14.750,0.9643,0.15318,0.14803,-0.0562,0.0953,1.0000