Xfoil polar. Reynolds number fixed. Mach number fixed Polar key,xf-e838-il-500000 Airfoil,e838-il Reynolds number,500000 Ncrit,9 Mach,0 Max Cl/Cd,73.2049 Max Cl/Cd alpha,6.5 Url,http://airfoiltools.com/polar/csv?polar=xf-e838-il-500000 Alpha,Cl,Cd,Cdp,Cm,Top_Xtr,Bot_Xtr -18.500,-0.8355,0.12340,0.12050,-0.0210,1.0000,0.0099 -18.250,-0.8607,0.11406,0.11097,-0.0262,1.0000,0.0098 -18.000,-0.8818,0.10601,0.10275,-0.0305,1.0000,0.0097 -17.750,-0.8975,0.09936,0.09595,-0.0338,1.0000,0.0096 -17.500,-0.9141,0.09276,0.08916,-0.0370,1.0000,0.0096 -17.250,-0.9274,0.08702,0.08324,-0.0395,1.0000,0.0097 -17.000,-0.9399,0.08166,0.07770,-0.0415,1.0000,0.0097 -16.750,-0.9490,0.07698,0.07286,-0.0429,1.0000,0.0096 -16.500,-0.9595,0.07226,0.06793,-0.0443,1.0000,0.0098 -16.250,-0.9647,0.06841,0.06392,-0.0451,1.0000,0.0098 -16.000,-0.9690,0.06482,0.06015,-0.0457,1.0000,0.0099 -15.750,-0.9718,0.06170,0.05687,-0.0465,1.0000,0.0100 -15.500,-0.9701,0.05886,0.05389,-0.0465,1.0000,0.0100 -15.250,-0.9699,0.05577,0.05062,-0.0457,1.0000,0.0103 -15.000,-0.9641,0.05359,0.04834,-0.0454,1.0000,0.0104 -14.750,-0.9578,0.05154,0.04623,-0.0450,1.0000,0.0106 -14.500,-0.9513,0.04963,0.04429,-0.0450,1.0000,0.0111 -14.250,-0.9436,0.04780,0.04237,-0.0445,1.0000,0.0112 -14.000,-0.9355,0.04607,0.04059,-0.0444,1.0000,0.0116 -13.750,-0.9266,0.04442,0.03886,-0.0437,1.0000,0.0116 -13.500,-0.9176,0.04284,0.03722,-0.0434,1.0000,0.0121 -13.250,-0.9084,0.04129,0.03560,-0.0428,1.0000,0.0126 -13.000,-0.8984,0.03985,0.03409,-0.0423,1.0000,0.0129 -12.750,-0.8876,0.03849,0.03267,-0.0418,1.0000,0.0132 -12.500,-0.8823,0.03674,0.03087,-0.0408,1.0000,0.0137 -12.250,-0.8774,0.03501,0.02911,-0.0399,1.0000,0.0144 -12.000,-0.8692,0.03354,0.02764,-0.0393,1.0000,0.0150 -11.750,-0.8275,0.03191,0.02588,-0.0455,0.9228,0.0166 -11.500,-0.8104,0.03083,0.02455,-0.0459,0.8798,0.0174 -11.250,-0.8117,0.02915,0.02270,-0.0438,0.8574,0.0183 -11.000,-0.8077,0.02780,0.02125,-0.0421,0.8426,0.0194 -10.750,-0.7994,0.02671,0.02007,-0.0408,0.8315,0.0205 -10.500,-0.7908,0.02565,0.01889,-0.0394,0.8220,0.0216 -10.250,-0.7819,0.02458,0.01773,-0.0380,0.8135,0.0231 -10.000,-0.7780,0.02329,0.01638,-0.0361,0.8060,0.0259 -9.750,-0.7675,0.02234,0.01537,-0.0348,0.7990,0.0280 -9.500,-0.7596,0.02131,0.01428,-0.0331,0.7927,0.0314 -9.250,-0.7512,0.02032,0.01326,-0.0314,0.7872,0.0366 -9.000,-0.7451,0.01923,0.01219,-0.0295,0.7814,0.0452 -8.750,-0.7410,0.01813,0.01112,-0.0271,0.7762,0.0605 -8.500,-0.7385,0.01699,0.01009,-0.0245,0.7710,0.0838 -8.250,-0.7373,0.01588,0.00912,-0.0215,0.7658,0.1113 -8.000,-0.7390,0.01481,0.00819,-0.0178,0.7614,0.1457 -7.750,-0.7423,0.01383,0.00739,-0.0134,0.7571,0.1851 -7.500,-0.7486,0.01297,0.00676,-0.0081,0.7524,0.2326 -7.250,-0.7497,0.01198,0.00606,-0.0037,0.7483,0.2953 -7.000,-0.7504,0.01092,0.00536,0.0006,0.7447,0.3754 -6.750,-0.7410,0.01018,0.00494,0.0035,0.7410,0.4468 -6.500,-0.7219,0.00986,0.00474,0.0048,0.7374,0.4886 -6.250,-0.6988,0.00971,0.00460,0.0054,0.7341,0.5127 -6.000,-0.6740,0.00965,0.00449,0.0058,0.7310,0.5312 -5.750,-0.6486,0.00964,0.00443,0.0061,0.7279,0.5474 -5.500,-0.6228,0.00965,0.00441,0.0064,0.7245,0.5624 -5.250,-0.5960,0.00966,0.00441,0.0064,0.7214,0.5726 -5.000,-0.5690,0.00968,0.00435,0.0064,0.7184,0.5809 -4.750,-0.5420,0.00977,0.00437,0.0065,0.7156,0.5904 -4.500,-0.5145,0.00986,0.00443,0.0064,0.7127,0.5984 -4.250,-0.4870,0.00992,0.00445,0.0064,0.7095,0.6058 -4.000,-0.4589,0.00994,0.00444,0.0062,0.7065,0.6115 -3.750,-0.4303,0.00999,0.00446,0.0059,0.7037,0.6165 -3.500,-0.4024,0.01001,0.00439,0.0057,0.7010,0.6212 -3.250,-0.3740,0.01002,0.00432,0.0054,0.6983,0.6248 -3.000,-0.3450,0.00998,0.00431,0.0049,0.6954,0.6278 -2.750,-0.3162,0.00997,0.00428,0.0045,0.6924,0.6309 -2.500,-0.2877,0.00995,0.00421,0.0041,0.6896,0.6342 -2.250,-0.2595,0.00995,0.00412,0.0038,0.6869,0.6375 -2.000,-0.2305,0.00991,0.00405,0.0034,0.6843,0.6401 -1.750,-0.2015,0.00990,0.00405,0.0029,0.6816,0.6427 -1.500,-0.1727,0.00988,0.00404,0.0025,0.6787,0.6454 -1.250,-0.1440,0.00988,0.00402,0.0021,0.6758,0.6485 -1.000,-0.1154,0.00988,0.00396,0.0017,0.6730,0.6517 -0.750,-0.0866,0.00984,0.00389,0.0013,0.6705,0.6543 -0.500,-0.0575,0.00987,0.00390,0.0008,0.6680,0.6566 -0.250,-0.0287,0.00985,0.00394,0.0004,0.6652,0.6593 0.000,0.0000,0.00985,0.00395,0.0000,0.6622,0.6623 0.250,0.0287,0.00985,0.00394,-0.0004,0.6593,0.6653 0.500,0.0575,0.00987,0.00390,-0.0008,0.6566,0.6680 0.750,0.0866,0.00984,0.00389,-0.0013,0.6542,0.6705 1.000,0.1154,0.00987,0.00396,-0.0017,0.6516,0.6731 1.250,0.1440,0.00988,0.00402,-0.0021,0.6484,0.6759 1.500,0.1727,0.00989,0.00404,-0.0025,0.6453,0.6788 1.750,0.2015,0.00990,0.00405,-0.0029,0.6426,0.6817 2.000,0.2305,0.00991,0.00405,-0.0034,0.6401,0.6844 2.250,0.2594,0.00995,0.00412,-0.0038,0.6374,0.6869 2.500,0.2877,0.00995,0.00421,-0.0041,0.6342,0.6896 2.750,0.3162,0.00997,0.00428,-0.0045,0.6309,0.6924 3.000,0.3450,0.00998,0.00431,-0.0049,0.6278,0.6954 3.250,0.3740,0.01002,0.00433,-0.0054,0.6248,0.6983 3.500,0.4023,0.01002,0.00440,-0.0057,0.6212,0.7010 3.750,0.4302,0.00999,0.00446,-0.0059,0.6165,0.7037 4.000,0.4588,0.00995,0.00445,-0.0062,0.6115,0.7065 4.250,0.4870,0.00993,0.00445,-0.0064,0.6059,0.7096 4.500,0.5144,0.00986,0.00443,-0.0064,0.5984,0.7128 4.750,0.5419,0.00977,0.00437,-0.0065,0.5904,0.7157 5.000,0.5689,0.00968,0.00435,-0.0064,0.5809,0.7184 5.250,0.5960,0.00966,0.00441,-0.0064,0.5726,0.7214 5.500,0.6228,0.00965,0.00441,-0.0064,0.5624,0.7246 5.750,0.6485,0.00964,0.00443,-0.0061,0.5475,0.7280 6.000,0.6740,0.00965,0.00449,-0.0058,0.5316,0.7311 6.250,0.6988,0.00971,0.00461,-0.0055,0.5133,0.7341 6.500,0.7218,0.00986,0.00474,-0.0048,0.4884,0.7375 6.750,0.7406,0.01019,0.00494,-0.0034,0.4458,0.7410 7.000,0.7499,0.01093,0.00536,-0.0006,0.3744,0.7447 7.250,0.7501,0.01196,0.00605,0.0036,0.2970,0.7484 7.500,0.7479,0.01299,0.00677,0.0082,0.2313,0.7525 7.750,0.7420,0.01384,0.00739,0.0134,0.1847,0.7571 8.000,0.7386,0.01483,0.00820,0.0178,0.1448,0.7614 8.250,0.7374,0.01588,0.00911,0.0215,0.1114,0.7659 8.500,0.7382,0.01700,0.01010,0.0245,0.0833,0.7711 8.750,0.7415,0.01810,0.01110,0.0271,0.0610,0.7762 9.000,0.7452,0.01922,0.01219,0.0295,0.0451,0.7814 9.250,0.7511,0.02033,0.01327,0.0315,0.0365,0.7872 9.500,0.7605,0.02126,0.01423,0.0330,0.0318,0.7928 9.750,0.7669,0.02239,0.01542,0.0349,0.0286,0.7991 10.000,0.7777,0.02331,0.01640,0.0362,0.0260,0.8061 10.250,0.7840,0.02446,0.01762,0.0379,0.0236,0.8136 10.500,0.7894,0.02575,0.01899,0.0395,0.0221,0.8221 10.750,0.7996,0.02670,0.02007,0.0408,0.0206,0.8315 11.000,0.8089,0.02772,0.02117,0.0420,0.0192,0.8427 11.250,0.8127,0.02908,0.02264,0.0437,0.0183,0.8576 11.500,0.8132,0.03066,0.02437,0.0457,0.0172,0.8799 11.750,0.8290,0.03186,0.02583,0.0453,0.0164,0.9236 12.000,0.8710,0.03344,0.02751,0.0391,0.0147,1.0000 12.250,0.8789,0.03493,0.02902,0.0397,0.0143,1.0000 12.500,0.8833,0.03670,0.03082,0.0407,0.0138,1.0000 12.750,0.8881,0.03847,0.03264,0.0418,0.0133,1.0000 13.000,0.8994,0.03980,0.03405,0.0422,0.0129,1.0000 13.250,0.9094,0.04126,0.03558,0.0427,0.0122,1.0000 13.500,0.9187,0.04279,0.03716,0.0432,0.0120,1.0000 13.750,0.9279,0.04436,0.03880,0.0437,0.0118,1.0000 14.000,0.9366,0.04602,0.04053,0.0441,0.0115,1.0000 14.250,0.9446,0.04775,0.04231,0.0443,0.0110,1.0000 14.500,0.9517,0.04959,0.04417,0.0444,0.0106,1.0000 14.750,0.9592,0.05148,0.04618,0.0449,0.0107,1.0000 15.000,0.9655,0.05351,0.04825,0.0452,0.0104,1.0000 15.250,0.9709,0.05575,0.05060,0.0457,0.0102,1.0000 15.500,0.9737,0.05850,0.05350,0.0463,0.0101,1.0000 15.750,0.9706,0.06171,0.05689,0.0459,0.0099,1.0000 16.000,0.9706,0.06481,0.06014,0.0458,0.0100,1.0000 16.250,0.9661,0.06837,0.06387,0.0450,0.0098,1.0000 16.500,0.9608,0.07221,0.06788,0.0442,0.0098,1.0000 16.750,0.9517,0.07671,0.07257,0.0429,0.0097,1.0000 17.000,0.9423,0.08143,0.07746,0.0414,0.0097,1.0000 17.250,0.9286,0.08700,0.08323,0.0392,0.0096,1.0000 17.500,0.9147,0.09282,0.08921,0.0369,0.0097,1.0000 17.750,0.8964,0.09974,0.09634,0.0335,0.0096,1.0000 18.000,0.8794,0.10672,0.10349,0.0299,0.0096,1.0000 18.250,0.8609,0.11432,0.11125,0.0258,0.0097,1.0000 18.500,0.8422,0.12248,0.11958,0.0211,0.0097,1.0000 18.750,0.8121,0.13329,0.13055,0.0151,0.0099,1.0000