Xfoil polar. Reynolds number fixed. Mach number fixed Polar key,xf-e838-il-1000000 Airfoil,e838-il Reynolds number,1000000 Ncrit,9 Mach,0 Max Cl/Cd,86.3456 Max Cl/Cd alpha,5.75 Url,http://airfoiltools.com/polar/csv?polar=xf-e838-il-1000000 Alpha,Cl,Cd,Cdp,Cm,Top_Xtr,Bot_Xtr -18.500,-1.0178,0.09079,0.08729,-0.0324,1.0000,0.0052 -18.250,-1.0319,0.08527,0.08161,-0.0343,1.0000,0.0053 -18.000,-1.0486,0.07967,0.07584,-0.0358,1.0000,0.0054 -17.750,-1.0423,0.07707,0.07319,-0.0369,1.0000,0.0053 -17.500,-1.0584,0.07190,0.06787,-0.0379,1.0000,0.0055 -17.250,-1.0638,0.06811,0.06399,-0.0388,1.0000,0.0057 -17.000,-1.0661,0.06480,0.06059,-0.0394,1.0000,0.0057 -16.750,-1.0649,0.06199,0.05768,-0.0399,1.0000,0.0056 -16.500,-1.0621,0.05936,0.05501,-0.0405,1.0000,0.0060 -16.250,-1.0608,0.05665,0.05222,-0.0407,1.0000,0.0060 -16.000,-1.0562,0.05436,0.04988,-0.0410,1.0000,0.0062 -15.750,-1.0517,0.05210,0.04755,-0.0411,1.0000,0.0063 -15.500,-1.0472,0.04992,0.04531,-0.0411,1.0000,0.0064 -15.250,-1.0390,0.04811,0.04345,-0.0411,1.0000,0.0066 -15.000,-1.0365,0.04584,0.04110,-0.0409,1.0000,0.0066 -14.750,-1.0316,0.04383,0.03901,-0.0406,1.0000,0.0068 -14.500,-1.0193,0.04252,0.03766,-0.0405,1.0000,0.0071 -14.250,-1.0171,0.04037,0.03544,-0.0399,1.0000,0.0071 -14.000,-1.0048,0.03911,0.03412,-0.0397,1.0000,0.0073 -13.750,-1.0030,0.03703,0.03197,-0.0390,1.0000,0.0072 -13.500,-0.9957,0.03544,0.03032,-0.0383,1.0000,0.0075 -13.250,-0.9965,0.03326,0.02807,-0.0372,1.0000,0.0079 -13.000,-0.9643,0.03133,0.02606,-0.0422,0.9416,0.0083 -12.750,-0.9402,0.03017,0.02461,-0.0443,0.8724,0.0086 -12.500,-0.9330,0.02913,0.02341,-0.0429,0.8441,0.0090 -12.250,-0.9231,0.02815,0.02232,-0.0417,0.8263,0.0094 -12.000,-0.9149,0.02703,0.02109,-0.0405,0.8131,0.0096 -11.750,-0.9009,0.02628,0.02025,-0.0397,0.8026,0.0101 -11.500,-0.8993,0.02474,0.01861,-0.0378,0.7930,0.0109 -11.250,-0.8902,0.02369,0.01750,-0.0365,0.7851,0.0114 -11.000,-0.8784,0.02283,0.01657,-0.0354,0.7775,0.0121 -10.750,-0.8661,0.02199,0.01568,-0.0343,0.7710,0.0127 -10.500,-0.8510,0.02133,0.01497,-0.0335,0.7648,0.0133 -10.250,-0.8452,0.02018,0.01374,-0.0316,0.7592,0.0148 -10.000,-0.8337,0.01933,0.01286,-0.0303,0.7541,0.0161 -9.750,-0.8200,0.01864,0.01212,-0.0291,0.7491,0.0171 -9.500,-0.8091,0.01785,0.01126,-0.0275,0.7442,0.0187 -9.250,-0.7983,0.01703,0.01044,-0.0259,0.7400,0.0212 -9.000,-0.7848,0.01639,0.00976,-0.0245,0.7356,0.0233 -8.750,-0.7751,0.01564,0.00899,-0.0226,0.7315,0.0274 -8.500,-0.7650,0.01494,0.00830,-0.0206,0.7277,0.0341 -8.250,-0.7563,0.01422,0.00762,-0.0183,0.7239,0.0447 -8.000,-0.7488,0.01354,0.00699,-0.0156,0.7200,0.0595 -7.750,-0.7431,0.01289,0.00641,-0.0124,0.7163,0.0774 -7.500,-0.7371,0.01237,0.00596,-0.0090,0.7128,0.0977 -7.250,-0.7315,0.01177,0.00551,-0.0055,0.7097,0.1279 -7.000,-0.7217,0.01112,0.00504,-0.0028,0.7065,0.1676 -6.750,-0.7127,0.01034,0.00451,0.0000,0.7033,0.2227 -6.500,-0.7035,0.00949,0.00396,0.0027,0.7000,0.2900 -6.250,-0.6937,0.00856,0.00341,0.0054,0.6971,0.3728 -6.000,-0.6775,0.00789,0.00304,0.0071,0.6944,0.4405 -5.750,-0.6546,0.00758,0.00284,0.0077,0.6916,0.4773 -5.500,-0.6291,0.00741,0.00270,0.0078,0.6888,0.4987 -5.250,-0.6027,0.00730,0.00259,0.0079,0.6859,0.5188 -5.000,-0.5757,0.00725,0.00251,0.0078,0.6829,0.5341 -4.750,-0.5482,0.00716,0.00245,0.0077,0.6806,0.5469 -4.500,-0.5203,0.00710,0.00238,0.0074,0.6780,0.5549 -4.250,-0.4918,0.00709,0.00233,0.0071,0.6753,0.5644 -4.000,-0.4639,0.00705,0.00230,0.0069,0.6727,0.5729 -3.750,-0.4354,0.00708,0.00225,0.0066,0.6699,0.5797 -3.500,-0.4071,0.00706,0.00223,0.0063,0.6672,0.5859 -3.250,-0.3781,0.00707,0.00221,0.0059,0.6649,0.5915 -3.000,-0.3494,0.00703,0.00216,0.0055,0.6623,0.5961 -2.750,-0.3205,0.00701,0.00213,0.0051,0.6596,0.6001 -2.500,-0.2915,0.00701,0.00209,0.0047,0.6570,0.6036 -2.250,-0.2625,0.00704,0.00206,0.0042,0.6543,0.6066 -2.000,-0.2334,0.00702,0.00202,0.0038,0.6519,0.6095 -1.750,-0.2043,0.00697,0.00199,0.0033,0.6495,0.6124 -1.500,-0.1751,0.00695,0.00197,0.0029,0.6468,0.6152 -1.250,-0.1459,0.00695,0.00195,0.0024,0.6441,0.6180 -1.000,-0.1167,0.00695,0.00192,0.0019,0.6416,0.6207 -0.750,-0.0876,0.00700,0.00191,0.0014,0.6389,0.6230 -0.500,-0.0585,0.00695,0.00190,0.0010,0.6365,0.6260 -0.250,-0.0293,0.00693,0.00190,0.0005,0.6339,0.6287 0.000,0.0000,0.00692,0.00190,0.0000,0.6311,0.6312 0.250,0.0293,0.00693,0.00190,-0.0005,0.6286,0.6339 0.500,0.0585,0.00695,0.00190,-0.0010,0.6260,0.6365 0.750,0.0875,0.00700,0.00191,-0.0014,0.6229,0.6390 1.000,0.1167,0.00695,0.00192,-0.0019,0.6206,0.6417 1.250,0.1459,0.00695,0.00195,-0.0024,0.6179,0.6442 1.500,0.1751,0.00695,0.00197,-0.0028,0.6151,0.6468 1.750,0.2043,0.00697,0.00199,-0.0033,0.6123,0.6495 2.000,0.2334,0.00702,0.00202,-0.0038,0.6094,0.6519 2.250,0.2625,0.00703,0.00206,-0.0042,0.6066,0.6544 2.500,0.2915,0.00701,0.00209,-0.0047,0.6036,0.6570 2.750,0.3205,0.00701,0.00213,-0.0051,0.6000,0.6597 3.000,0.3493,0.00703,0.00216,-0.0055,0.5961,0.6623 3.250,0.3781,0.00707,0.00221,-0.0059,0.5915,0.6649 3.500,0.4070,0.00706,0.00223,-0.0063,0.5858,0.6672 3.750,0.4354,0.00708,0.00225,-0.0066,0.5798,0.6698 4.000,0.4639,0.00706,0.00230,-0.0069,0.5729,0.6726 4.250,0.4918,0.00709,0.00233,-0.0071,0.5644,0.6753 4.500,0.5202,0.00710,0.00238,-0.0074,0.5551,0.6780 4.750,0.5482,0.00716,0.00245,-0.0077,0.5469,0.6806 5.000,0.5756,0.00725,0.00251,-0.0078,0.5343,0.6829 5.250,0.6026,0.00730,0.00259,-0.0079,0.5188,0.6859 5.500,0.6290,0.00741,0.00270,-0.0078,0.4990,0.6888 5.750,0.6545,0.00758,0.00284,-0.0076,0.4772,0.6916 6.000,0.6772,0.00791,0.00304,-0.0070,0.4387,0.6944 6.250,0.6935,0.00857,0.00341,-0.0054,0.3723,0.6971 6.500,0.7037,0.00948,0.00396,-0.0028,0.2916,0.7001 6.750,0.7127,0.01034,0.00451,0.0000,0.2232,0.7033 7.000,0.7217,0.01111,0.00504,0.0028,0.1677,0.7066 7.250,0.7297,0.01183,0.00554,0.0057,0.1245,0.7098 7.500,0.7375,0.01236,0.00595,0.0089,0.0984,0.7128 7.750,0.7428,0.01289,0.00641,0.0124,0.0772,0.7163 8.000,0.7489,0.01353,0.00699,0.0156,0.0596,0.7200 8.250,0.7565,0.01421,0.00762,0.0183,0.0451,0.7239 8.500,0.7652,0.01493,0.00830,0.0206,0.0342,0.7277 8.750,0.7755,0.01562,0.00898,0.0225,0.0279,0.7315 9.000,0.7851,0.01638,0.00974,0.0245,0.0234,0.7356 9.250,0.7982,0.01703,0.01044,0.0259,0.0212,0.7400 9.500,0.8102,0.01779,0.01121,0.0274,0.0193,0.7442 9.750,0.8195,0.01867,0.01214,0.0291,0.0173,0.7492 10.000,0.8337,0.01933,0.01286,0.0303,0.0162,0.7542 10.250,0.8463,0.02012,0.01367,0.0315,0.0148,0.7592 10.500,0.8525,0.02125,0.01487,0.0333,0.0133,0.7648 10.750,0.8667,0.02196,0.01564,0.0343,0.0128,0.7711 11.000,0.8797,0.02275,0.01649,0.0353,0.0119,0.7776 11.250,0.8901,0.02370,0.01751,0.0365,0.0115,0.7851 11.500,0.8988,0.02478,0.01863,0.0378,0.0105,0.7930 11.750,0.9027,0.02618,0.02014,0.0395,0.0100,0.8026 12.000,0.9172,0.02689,0.02094,0.0403,0.0095,0.8131 12.250,0.9256,0.02799,0.02215,0.0415,0.0093,0.8264 12.500,0.9333,0.02911,0.02339,0.0429,0.0090,0.8443 12.750,0.9409,0.03012,0.02456,0.0443,0.0088,0.8726 13.000,0.9657,0.03129,0.02601,0.0420,0.0083,0.9420 13.250,0.9887,0.03390,0.02873,0.0376,0.0075,1.0000 13.500,0.9927,0.03572,0.03061,0.0385,0.0074,1.0000 13.750,0.9994,0.03735,0.03229,0.0391,0.0074,1.0000 14.000,1.0094,0.03876,0.03376,0.0394,0.0072,1.0000 14.250,1.0208,0.04010,0.03515,0.0397,0.0070,1.0000 14.500,1.0308,0.04157,0.03668,0.0399,0.0067,1.0000 14.750,1.0311,0.04391,0.03910,0.0405,0.0068,1.0000 15.000,1.0390,0.04566,0.04090,0.0407,0.0066,1.0000 15.250,1.0432,0.04777,0.04309,0.0409,0.0066,1.0000 15.500,1.0483,0.04986,0.04524,0.0410,0.0065,1.0000 15.750,1.0552,0.05183,0.04726,0.0409,0.0061,1.0000 16.000,1.0605,0.05397,0.04946,0.0408,0.0061,1.0000 16.250,1.0610,0.05668,0.05226,0.0407,0.0060,1.0000 16.500,1.0641,0.05920,0.05485,0.0403,0.0060,1.0000 16.750,1.0695,0.06154,0.05723,0.0398,0.0057,1.0000 17.000,1.0681,0.06463,0.06041,0.0393,0.0057,1.0000 17.250,1.0589,0.06874,0.06462,0.0386,0.0054,1.0000 17.500,1.0616,0.07159,0.06755,0.0379,0.0055,1.0000 17.750,1.0385,0.07760,0.07376,0.0368,0.0052,1.0000 18.000,1.0353,0.08142,0.07768,0.0355,0.0052,1.0000 18.250,1.0309,0.08551,0.08186,0.0341,0.0052,1.0000 18.500,1.0262,0.08976,0.08623,0.0324,0.0052,1.0000 18.750,1.0168,0.09482,0.09141,0.0303,0.0052,1.0000 19.000,1.0131,0.09923,0.09592,0.0282,0.0052,1.0000