Xfoil polar. Reynolds number fixed. Mach number fixed Polar key,xf-oa209-il-500000 Airfoil,oa209-il Reynolds number,500000 Ncrit,9 Mach,0 Max Cl/Cd,75.0798 Max Cl/Cd alpha,8 Url,http://airfoiltools.com/polar/csv?polar=xf-oa209-il-500000 Alpha,Cl,Cd,Cdp,Cm,Top_Xtr,Bot_Xtr -8.750,-0.6125,0.09393,0.09189,0.0152,1.0000,0.0188 -8.500,-0.6137,0.08753,0.08551,0.0087,1.0000,0.0193 -8.000,-0.6221,0.07009,0.06779,-0.0112,1.0000,0.0199 -7.750,-0.6165,0.06445,0.06195,-0.0139,1.0000,0.0200 -7.500,-0.6138,0.05862,0.05603,-0.0155,1.0000,0.0203 -7.250,-0.6012,0.05553,0.05289,-0.0165,1.0000,0.0205 -7.000,-0.5859,0.05283,0.05013,-0.0174,1.0000,0.0209 -6.750,-0.5690,0.04995,0.04715,-0.0184,1.0000,0.0215 -6.500,-0.5511,0.04657,0.04361,-0.0192,1.0000,0.0224 -6.250,-0.5278,0.04215,0.03853,-0.0186,1.0000,0.0246 -6.000,-0.5164,0.03661,0.03281,-0.0187,1.0000,0.0251 -5.750,-0.4936,0.03426,0.03039,-0.0195,0.9975,0.0256 -5.500,-0.4638,0.03203,0.02805,-0.0213,0.9947,0.0264 -5.250,-0.4335,0.02968,0.02548,-0.0225,0.9902,0.0282 -5.000,-0.4026,0.02601,0.02125,-0.0231,0.9851,0.0313 -4.750,-0.3761,0.02119,0.01587,-0.0217,0.9774,0.0240 -4.500,-0.3546,0.01889,0.01331,-0.0202,0.9688,0.0231 -4.250,-0.3334,0.01736,0.01153,-0.0182,0.9609,0.0233 -4.000,-0.3129,0.01589,0.00986,-0.0161,0.9532,0.0231 -3.750,-0.2897,0.01479,0.00861,-0.0147,0.9460,0.0235 -3.500,-0.2695,0.01410,0.00780,-0.0125,0.9391,0.0240 -3.250,-0.2441,0.01357,0.00718,-0.0116,0.9319,0.0247 -3.000,-0.2239,0.01253,0.00616,-0.0098,0.9255,0.0261 -2.750,-0.1980,0.01214,0.00578,-0.0092,0.9181,0.0279 -2.500,-0.1753,0.01169,0.00529,-0.0077,0.9114,0.0294 -2.250,-0.1492,0.01106,0.00463,-0.0071,0.9032,0.0310 -2.000,-0.1255,0.01060,0.00417,-0.0060,0.8959,0.0336 -1.750,-0.0977,0.01031,0.00387,-0.0058,0.8875,0.0370 -1.500,-0.0721,0.00985,0.00341,-0.0050,0.8803,0.0423 -1.250,-0.0437,0.00949,0.00307,-0.0049,0.8706,0.0504 -1.000,-0.0167,0.00914,0.00276,-0.0045,0.8612,0.0712 -0.750,0.0096,0.00643,0.00239,-0.0057,0.8507,0.7148 -0.500,0.0308,0.00616,0.00254,-0.0034,0.8378,0.8402 -0.250,0.0534,0.00622,0.00260,-0.0015,0.8226,0.8773 0.000,0.0756,0.00631,0.00264,0.0005,0.8049,0.9000 0.250,0.0973,0.00638,0.00264,0.0026,0.7840,0.9174 0.500,0.1169,0.00642,0.00259,0.0051,0.7583,0.9338 0.750,0.1325,0.00636,0.00244,0.0086,0.7281,0.9506 1.000,0.1497,0.00628,0.00221,0.0117,0.6891,0.9678 1.250,0.1773,0.00639,0.00206,0.0120,0.6300,0.9762 1.500,0.2089,0.00674,0.00202,0.0110,0.5403,0.9806 1.750,0.2412,0.00720,0.00205,0.0097,0.4470,0.9849 2.000,0.2762,0.00755,0.00213,0.0079,0.3949,0.9876 2.250,0.3109,0.00779,0.00220,0.0062,0.3652,0.9906 2.500,0.3454,0.00801,0.00229,0.0046,0.3440,0.9938 2.750,0.3810,0.00820,0.00239,0.0027,0.3259,0.9959 3.000,0.4165,0.00839,0.00249,0.0009,0.3105,0.9981 3.250,0.4481,0.00855,0.00258,-0.0001,0.2964,1.0000 3.500,0.4728,0.00866,0.00265,0.0003,0.2847,1.0000 3.750,0.4985,0.00880,0.00275,0.0005,0.2738,1.0000 4.000,0.5259,0.00898,0.00287,0.0004,0.2624,1.0000 4.250,0.5543,0.00916,0.00300,0.0000,0.2510,1.0000 4.500,0.5832,0.00933,0.00316,-0.0004,0.2406,1.0000 4.750,0.6124,0.00954,0.00332,-0.0009,0.2298,1.0000 5.000,0.6417,0.00977,0.00350,-0.0015,0.2191,1.0000 5.250,0.6712,0.00996,0.00369,-0.0020,0.2090,1.0000 5.500,0.7005,0.01019,0.00390,-0.0026,0.1989,1.0000 5.750,0.7297,0.01048,0.00412,-0.0031,0.1881,1.0000 6.000,0.7590,0.01068,0.00431,-0.0037,0.1769,1.0000 6.250,0.7881,0.01093,0.00456,-0.0042,0.1664,1.0000 6.500,0.8170,0.01122,0.00482,-0.0047,0.1566,1.0000 6.750,0.8458,0.01152,0.00508,-0.0052,0.1466,1.0000 7.000,0.8746,0.01179,0.00537,-0.0056,0.1376,1.0000 7.250,0.9030,0.01212,0.00568,-0.0061,0.1286,1.0000 7.500,0.9312,0.01247,0.00600,-0.0065,0.1192,1.0000 7.750,0.9595,0.01278,0.00634,-0.0069,0.1102,1.0000 8.000,0.9873,0.01315,0.00671,-0.0073,0.1009,1.0000 8.250,1.0148,0.01359,0.00711,-0.0076,0.0907,1.0000 8.500,1.0419,0.01406,0.00756,-0.0079,0.0793,1.0000 8.750,1.0686,0.01460,0.00806,-0.0081,0.0673,1.0000 9.000,1.0946,0.01525,0.00868,-0.0083,0.0565,1.0000 9.250,1.1198,0.01604,0.00944,-0.0084,0.0484,1.0000 9.500,1.1453,0.01668,0.01011,-0.0085,0.0435,1.0000 9.750,1.1694,0.01752,0.01100,-0.0084,0.0394,1.0000 10.000,1.1941,0.01819,0.01173,-0.0084,0.0367,1.0000 10.250,1.2161,0.01926,0.01283,-0.0082,0.0340,1.0000 10.500,1.2387,0.02013,0.01381,-0.0079,0.0325,1.0000 10.750,1.2614,0.02092,0.01470,-0.0076,0.0310,1.0000 11.000,1.2831,0.02176,0.01562,-0.0073,0.0295,1.0000 11.250,1.3012,0.02300,0.01691,-0.0067,0.0281,1.0000 11.500,1.3167,0.02447,0.01849,-0.0058,0.0270,1.0000 11.750,1.3357,0.02542,0.01957,-0.0052,0.0263,1.0000 12.000,1.3526,0.02652,0.02079,-0.0044,0.0255,1.0000 12.250,1.3676,0.02770,0.02208,-0.0034,0.0247,1.0000 12.500,1.3807,0.02893,0.02341,-0.0024,0.0240,1.0000 12.750,1.3893,0.03029,0.02485,-0.0009,0.0234,1.0000 13.000,1.3907,0.03213,0.02677,0.0010,0.0228,1.0000 13.250,1.3846,0.03492,0.02968,0.0030,0.0222,1.0000 13.500,1.3872,0.03700,0.03192,0.0040,0.0219,1.0000 13.750,1.3902,0.03915,0.03423,0.0045,0.0216,1.0000 14.000,1.3909,0.04172,0.03695,0.0047,0.0213,1.0000 14.250,1.3896,0.04473,0.04011,0.0044,0.0210,1.0000 14.500,1.3865,0.04818,0.04373,0.0035,0.0208,1.0000 14.750,1.3814,0.05218,0.04789,0.0019,0.0205,1.0000 15.000,1.3744,0.05675,0.05262,-0.0002,0.0203,1.0000 15.250,1.3656,0.06188,0.05791,-0.0030,0.0201,1.0000 15.500,1.3550,0.06756,0.06374,-0.0062,0.0199,1.0000 15.750,1.3427,0.07370,0.07003,-0.0098,0.0198,1.0000 16.000,1.3287,0.08024,0.07672,-0.0135,0.0197,1.0000 16.250,1.3129,0.08708,0.08369,-0.0173,0.0196,1.0000 16.500,1.2961,0.09419,0.09094,-0.0213,0.0195,1.0000 16.750,1.2783,0.10156,0.09844,-0.0254,0.0194,1.0000 17.000,1.2593,0.10930,0.10631,-0.0297,0.0193,1.0000 17.250,1.2395,0.11747,0.11462,-0.0343,0.0193,1.0000 17.500,1.2175,0.12636,0.12364,-0.0394,0.0193,1.0000 17.750,1.1910,0.13669,0.13413,-0.0455,0.0193,1.0000 18.000,1.1408,0.15358,0.15126,-0.0557,0.0197,1.0000