Xfoil polar. Reynolds number fixed. Mach number fixed Polar key,xf-s2050-il-50000 Airfoil,s2050-il Reynolds number,50000 Ncrit,9 Mach,0 Max Cl/Cd,33.2357 Max Cl/Cd alpha,5.5 Url,http://airfoiltools.com/polar/csv?polar=xf-s2050-il-50000 Alpha,Cl,Cd,Cdp,Cm,Top_Xtr,Bot_Xtr -9.000,-0.5112,0.10907,0.10200,-0.0052,1.0000,0.2603 -8.750,-0.5038,0.10537,0.09833,-0.0045,1.0000,0.2746 -8.500,-0.5018,0.10220,0.09522,-0.0040,1.0000,0.2893 -8.250,-0.4984,0.09894,0.09202,-0.0033,1.0000,0.3039 -8.000,-0.4974,0.09583,0.08898,-0.0026,1.0000,0.3187 -7.750,-0.4933,0.09239,0.08556,-0.0017,1.0000,0.3332 -7.500,-0.4718,0.08767,0.08082,0.0000,1.0000,0.3529 -7.250,-0.5623,0.07063,0.06398,-0.0317,1.0000,0.1606 -7.000,-0.5690,0.06133,0.05429,-0.0376,1.0000,0.1290 -6.750,-0.5616,0.05646,0.04928,-0.0380,1.0000,0.1260 -6.500,-0.5544,0.05132,0.04382,-0.0390,1.0000,0.1241 -6.250,-0.5432,0.04647,0.03853,-0.0396,1.0000,0.1237 -6.000,-0.5279,0.04185,0.03338,-0.0399,1.0000,0.1242 -5.750,-0.5092,0.03782,0.02858,-0.0400,1.0000,0.1292 -5.500,-0.4888,0.03485,0.02545,-0.0393,1.0000,0.1401 -5.250,-0.4669,0.03209,0.02234,-0.0386,1.0000,0.1552 -5.000,-0.4431,0.02955,0.01927,-0.0380,1.0000,0.1734 -4.750,-0.4201,0.02734,0.01709,-0.0371,1.0000,0.1934 -4.500,-0.3965,0.02552,0.01517,-0.0362,1.0000,0.2202 -4.250,-0.3729,0.02385,0.01352,-0.0351,1.0000,0.2502 -4.000,-0.3494,0.02233,0.01207,-0.0339,1.0000,0.2881 -3.750,-0.3276,0.02086,0.01088,-0.0325,1.0000,0.3395 -3.500,-0.3065,0.01926,0.00985,-0.0309,1.0000,0.4238 -3.250,-0.2955,0.01804,0.00988,-0.0258,1.0000,0.5819 -3.000,-0.2951,0.01824,0.01051,-0.0168,1.0000,0.7275 -2.750,-0.2970,0.01839,0.01074,-0.0074,1.0000,0.8088 -2.500,-0.2904,0.01834,0.01062,0.0002,1.0000,0.8813 -2.250,-0.0736,0.01843,0.00925,-0.0308,1.0000,1.0000 -2.000,-0.0699,0.01801,0.00876,-0.0284,1.0000,1.0000 -1.750,-0.0675,0.01766,0.00835,-0.0255,1.0000,1.0000 -1.500,-0.0669,0.01735,0.00801,-0.0223,1.0000,1.0000 -1.250,-0.0681,0.01709,0.00771,-0.0187,1.0000,1.0000 -1.000,-0.0693,0.01687,0.00745,-0.0152,1.0000,1.0000 -0.750,-0.0632,0.01675,0.00725,-0.0129,1.0000,1.0000 -0.500,-0.0491,0.01676,0.00713,-0.0120,1.0000,1.0000 -0.250,-0.0310,0.01687,0.00711,-0.0117,1.0000,1.0000 0.000,-0.0111,0.01705,0.00718,-0.0117,1.0000,1.0000 0.250,0.0095,0.01731,0.00734,-0.0118,1.0000,1.0000 0.500,0.0301,0.01763,0.00758,-0.0120,1.0000,1.0000 0.750,0.0505,0.01803,0.00790,-0.0122,1.0000,1.0000 1.000,0.0705,0.01849,0.00831,-0.0125,1.0000,1.0000 1.250,0.0899,0.01902,0.00881,-0.0128,1.0000,1.0000 1.500,0.1088,0.01964,0.00941,-0.0131,1.0000,1.0000 1.750,0.1270,0.02034,0.01010,-0.0135,1.0000,1.0000 2.000,0.1567,0.02133,0.01112,-0.0162,0.9945,1.0000 2.250,0.2233,0.02264,0.01253,-0.0253,0.9685,1.0000 2.500,0.2871,0.02356,0.01360,-0.0330,0.9417,1.0000 2.750,0.3491,0.02412,0.01434,-0.0398,0.9138,1.0000 3.000,0.4104,0.02434,0.01481,-0.0456,0.8847,1.0000 3.250,0.4734,0.02415,0.01490,-0.0508,0.8549,1.0000 3.500,0.5315,0.02370,0.01475,-0.0543,0.8235,1.0000 3.750,0.5832,0.02311,0.01441,-0.0559,0.7901,1.0000 4.000,0.6283,0.02253,0.01400,-0.0559,0.7545,1.0000 4.250,0.6613,0.02231,0.01392,-0.0542,0.7144,1.0000 4.500,0.6898,0.02226,0.01391,-0.0520,0.6715,1.0000 4.750,0.7161,0.02232,0.01393,-0.0494,0.6263,1.0000 5.000,0.7398,0.02255,0.01412,-0.0468,0.5781,1.0000 5.250,0.7618,0.02296,0.01440,-0.0441,0.5265,1.0000 5.500,0.7827,0.02355,0.01480,-0.0415,0.4726,1.0000 5.750,0.8027,0.02432,0.01533,-0.0390,0.4170,1.0000 6.000,0.8218,0.02534,0.01608,-0.0367,0.3609,1.0000 6.250,0.8402,0.02663,0.01707,-0.0345,0.3062,1.0000 6.500,0.8587,0.02829,0.01855,-0.0325,0.2562,1.0000 6.750,0.8779,0.03017,0.02023,-0.0308,0.2135,1.0000 7.000,0.8978,0.03219,0.02207,-0.0293,0.1790,1.0000 7.250,0.9179,0.03456,0.02451,-0.0280,0.1534,1.0000 7.500,0.9400,0.03714,0.02709,-0.0270,0.1359,1.0000 7.750,0.9591,0.04016,0.03053,-0.0256,0.1248,1.0000 8.000,0.9772,0.04388,0.03460,-0.0244,0.1188,1.0000 8.250,0.9886,0.04755,0.03888,-0.0227,0.1137,1.0000 8.500,1.0081,0.05095,0.04217,-0.0222,0.1073,1.0000 8.750,1.0122,0.05539,0.04726,-0.0204,0.1064,1.0000 9.000,1.0147,0.06023,0.05257,-0.0190,0.1065,1.0000 9.250,1.0146,0.06537,0.05807,-0.0179,0.1070,1.0000 9.500,0.9841,0.07123,0.06462,-0.0168,0.1104,1.0000 9.750,0.9445,0.07784,0.07153,-0.0172,0.1142,1.0000 10.000,0.9172,0.08401,0.07777,-0.0188,0.1169,1.0000 10.250,0.9017,0.09047,0.08424,-0.0215,0.1192,1.0000 10.500,0.8415,0.10741,0.10104,-0.0371,0.1381,1.0000 10.750,0.8561,0.11087,0.10459,-0.0355,0.1352,1.0000