Xfoil polar. Reynolds number fixed. Mach number fixed Polar key,xf-goe257-il-1000000 Airfoil,goe257-il Reynolds number,1000000 Ncrit,9 Mach,0 Max Cl/Cd,109.116 Max Cl/Cd alpha,4.5 Url,http://airfoiltools.com/polar/csv?polar=xf-goe257-il-1000000 Alpha,Cl,Cd,Cdp,Cm,Top_Xtr,Bot_Xtr -8.750,-0.4245,0.09981,0.09828,-0.0123,1.0000,0.0119 -8.500,-0.4210,0.09597,0.09446,-0.0144,1.0000,0.0119 -8.250,-0.4205,0.09158,0.09009,-0.0150,1.0000,0.0122 -8.000,-0.4157,0.08880,0.08732,-0.0159,1.0000,0.0123 -7.750,-0.4098,0.08594,0.08447,-0.0178,1.0000,0.0125 -7.500,-0.3997,0.08276,0.08131,-0.0208,1.0000,0.0128 -7.250,-0.3871,0.07917,0.07772,-0.0250,0.9973,0.0133 -7.000,-0.3645,0.07427,0.07279,-0.0324,0.9805,0.0145 -6.750,-0.3343,0.06624,0.06464,-0.0452,0.9585,0.0154 -6.500,-0.3159,0.06119,0.05947,-0.0493,0.9370,0.0155 -6.250,-0.2971,0.05623,0.05435,-0.0526,0.9136,0.0155 -6.000,-0.2817,0.04880,0.04670,-0.0567,0.8885,0.0158 -5.750,-0.2643,0.04726,0.04498,-0.0569,0.8446,0.0161 -5.250,-0.2199,0.04347,0.04065,-0.0589,0.7491,0.0179 -5.000,-0.1820,0.03853,0.03532,-0.0614,0.7340,0.0198 -4.500,-0.1222,0.01416,0.01047,-0.0631,0.7000,0.0207 -4.250,-0.0976,0.01318,0.00940,-0.0637,0.6930,0.0213 -4.000,-0.0717,0.01194,0.00802,-0.0643,0.6870,0.0221 -3.750,-0.0440,0.01070,0.00658,-0.0647,0.6810,0.0240 -3.500,-0.0131,0.01021,0.00576,-0.0643,0.6755,0.0256 -3.000,0.0427,0.01727,0.01189,-0.0679,0.6729,0.0268 -2.750,0.0712,0.01632,0.01088,-0.0683,0.6671,0.0274 -2.500,0.0999,0.01557,0.01001,-0.0687,0.6617,0.0282 -2.250,0.1290,0.01485,0.00920,-0.0691,0.6562,0.0294 -2.000,0.1582,0.01451,0.00874,-0.0693,0.6500,0.0316 -1.750,0.1874,0.01515,0.00929,-0.0693,0.6435,0.0331 -1.500,0.2169,0.01262,0.00652,-0.0698,0.6366,0.0355 -1.250,0.2457,0.01207,0.00595,-0.0702,0.6296,0.0370 -1.000,0.2747,0.01168,0.00552,-0.0704,0.6222,0.0392 -0.750,0.3038,0.01145,0.00523,-0.0706,0.6157,0.0414 -0.500,0.3325,0.01078,0.00452,-0.0710,0.6077,0.0476 -0.250,0.3614,0.01046,0.00418,-0.0712,0.5994,0.0503 0.000,0.3914,0.01009,0.00364,-0.0710,0.5911,0.0340 0.250,0.4205,0.00957,0.00312,-0.0712,0.5832,0.0318 0.500,0.4495,0.00933,0.00284,-0.0715,0.5737,0.0319 0.750,0.4785,0.00918,0.00265,-0.0718,0.5616,0.0325 1.000,0.5074,0.00910,0.00253,-0.0720,0.5472,0.0330 1.250,0.5362,0.00906,0.00244,-0.0723,0.5323,0.0333 1.500,0.5651,0.00898,0.00229,-0.0726,0.5162,0.0336 1.750,0.5938,0.00897,0.00219,-0.0728,0.4955,0.0342 2.250,0.6508,0.00911,0.00215,-0.0733,0.4574,0.0362 2.750,0.7080,0.00925,0.00221,-0.0738,0.4331,0.0437 3.000,0.7318,0.00724,0.00234,-0.0737,0.4235,1.0000 3.250,0.7602,0.00739,0.00242,-0.0739,0.4136,1.0000 3.500,0.7887,0.00751,0.00251,-0.0741,0.4052,1.0000 3.750,0.8172,0.00764,0.00261,-0.0744,0.3968,1.0000 4.000,0.8455,0.00781,0.00272,-0.0746,0.3831,1.0000 4.250,0.8735,0.00801,0.00284,-0.0748,0.3612,1.0000 4.500,0.9013,0.00826,0.00298,-0.0750,0.3333,1.0000 4.750,0.9273,0.00892,0.00328,-0.0751,0.2635,1.0000 5.000,0.9536,0.00946,0.00361,-0.0752,0.2239,1.0000 5.250,0.9807,0.00983,0.00388,-0.0754,0.2038,1.0000 5.500,1.0078,0.01016,0.00413,-0.0755,0.1859,1.0000 5.750,1.0347,0.01050,0.00437,-0.0756,0.1648,1.0000 6.000,1.0566,0.01180,0.00513,-0.0753,0.0672,1.0000 6.250,1.0822,0.01233,0.00559,-0.0752,0.0462,1.0000 6.500,1.1066,0.01306,0.00612,-0.0749,0.0182,1.0000 6.750,1.1327,0.01347,0.00656,-0.0748,0.0152,1.0000 7.000,1.1586,0.01386,0.00700,-0.0746,0.0142,1.0000 7.250,1.1839,0.01431,0.00751,-0.0744,0.0130,1.0000 7.500,1.2081,0.01493,0.00818,-0.0741,0.0118,1.0000 7.750,1.2308,0.01575,0.00910,-0.0734,0.0109,1.0000 8.000,1.2551,0.01624,0.00964,-0.0731,0.0106,1.0000 8.250,1.2785,0.01682,0.01030,-0.0726,0.0101,1.0000 8.500,1.3009,0.01748,0.01102,-0.0719,0.0097,1.0000 8.750,1.3226,0.01818,0.01178,-0.0712,0.0092,1.0000 9.000,1.3435,0.01890,0.01255,-0.0704,0.0088,1.0000 9.250,1.3618,0.01984,0.01354,-0.0692,0.0083,1.0000 9.500,1.3651,0.02214,0.01600,-0.0658,0.0077,1.0000 9.750,1.3847,0.02274,0.01667,-0.0648,0.0076,1.0000 10.000,1.4010,0.02356,0.01755,-0.0633,0.0074,1.0000 10.250,1.4141,0.02456,0.01863,-0.0613,0.0072,1.0000 10.500,1.4246,0.02566,0.01982,-0.0590,0.0070,1.0000 10.750,1.4307,0.02687,0.02112,-0.0559,0.0069,1.0000 11.000,1.4336,0.02822,0.02256,-0.0526,0.0068,1.0000 11.250,1.4372,0.02974,0.02418,-0.0499,0.0066,1.0000 11.500,1.4412,0.03140,0.02593,-0.0475,0.0065,1.0000 11.750,1.4458,0.03314,0.02776,-0.0456,0.0063,1.0000 12.000,1.4498,0.03505,0.02977,-0.0440,0.0062,1.0000 12.250,1.4538,0.03708,0.03189,-0.0426,0.0061,1.0000 12.500,1.4574,0.03924,0.03414,-0.0416,0.0060,1.0000 12.750,1.4603,0.04160,0.03660,-0.0408,0.0058,1.0000 13.000,1.4621,0.04419,0.03929,-0.0402,0.0057,1.0000 13.250,1.4627,0.04698,0.04217,-0.0397,0.0056,1.0000 13.500,1.4612,0.05006,0.04535,-0.0391,0.0055,1.0000 13.750,1.4563,0.05359,0.04900,-0.0383,0.0054,1.0000 14.000,1.4396,0.05878,0.05441,-0.0363,0.0053,1.0000 14.250,1.4291,0.06328,0.05911,-0.0364,0.0052,1.0000 14.500,1.4243,0.06703,0.06300,-0.0374,0.0051,1.0000 14.750,1.4182,0.07111,0.06721,-0.0384,0.0051,1.0000 15.000,1.4102,0.07566,0.07191,-0.0396,0.0050,1.0000 15.250,1.4009,0.08056,0.07697,-0.0410,0.0050,1.0000 15.500,1.3895,0.08598,0.08254,-0.0427,0.0050,1.0000 15.750,1.3763,0.09194,0.08866,-0.0448,0.0049,1.0000 16.000,1.3619,0.09833,0.09520,-0.0473,0.0049,1.0000 16.250,1.3470,0.10503,0.10206,-0.0502,0.0049,1.0000 16.500,1.3310,0.11221,0.10939,-0.0536,0.0049,1.0000 16.750,1.3149,0.11969,0.11703,-0.0573,0.0049,1.0000 17.000,1.2983,0.12755,0.12503,-0.0615,0.0050,1.0000 17.250,1.2804,0.13595,0.13358,-0.0661,0.0050,1.0000 17.500,1.2622,0.14491,0.14269,-0.0714,0.0050,1.0000 17.750,1.2439,0.15440,0.15232,-0.0771,0.0050,1.0000 18.000,1.2245,0.16471,0.16276,-0.0836,0.0051,1.0000