Xfoil polar. Reynolds number fixed. Mach number fixed Polar key,xf-n63215b-il-500000 Airfoil,n63215b-il Reynolds number,500000 Ncrit,9 Mach,0 Max Cl/Cd,66.3642 Max Cl/Cd alpha,8.5 Url,http://www.airfoiltools.com/polar/csv?polar=xf-n63215b-il-500000 Alpha,Cl,Cd,Cdp,Cm,Top_Xtr,Bot_Xtr -17.500,-0.9222,0.09850,0.09497,-0.0290,1.0000,0.0181 -17.250,-0.9430,0.09053,0.08685,-0.0341,1.0000,0.0182 -17.000,-0.9625,0.08323,0.07936,-0.0385,1.0000,0.0182 -16.750,-0.9800,0.07667,0.07262,-0.0423,1.0000,0.0182 -16.500,-0.9920,0.07130,0.06711,-0.0452,1.0000,0.0183 -16.250,-0.9993,0.06689,0.06258,-0.0474,1.0000,0.0184 -16.000,-1.0064,0.06269,0.05825,-0.0493,1.0000,0.0185 -15.750,-1.0116,0.05890,0.05435,-0.0508,1.0000,0.0186 -15.500,-1.0147,0.05556,0.05090,-0.0520,1.0000,0.0187 -15.250,-1.0169,0.05249,0.04772,-0.0529,1.0000,0.0189 -15.000,-1.0183,0.04958,0.04470,-0.0536,1.0000,0.0191 -14.750,-1.0175,0.04702,0.04203,-0.0540,1.0000,0.0193 -14.500,-1.0152,0.04473,0.03965,-0.0543,1.0000,0.0197 -14.250,-1.0128,0.04247,0.03728,-0.0544,1.0000,0.0200 -14.000,-1.0087,0.04040,0.03510,-0.0543,1.0000,0.0202 -13.750,-1.0041,0.03840,0.03298,-0.0540,1.0000,0.0205 -13.500,-0.9984,0.03660,0.03105,-0.0536,1.0000,0.0208 -13.250,-0.9916,0.03495,0.02928,-0.0531,1.0000,0.0211 -13.000,-0.9839,0.03314,0.02738,-0.0523,1.0000,0.0214 -12.750,-0.9746,0.03148,0.02569,-0.0514,1.0000,0.0219 -12.500,-0.9642,0.03019,0.02439,-0.0506,1.0000,0.0223 -12.250,-0.9531,0.02903,0.02321,-0.0499,1.0000,0.0228 -12.000,-0.9418,0.02790,0.02204,-0.0490,1.0000,0.0233 -11.750,-0.9301,0.02681,0.02089,-0.0480,1.0000,0.0238 -11.500,-0.9179,0.02578,0.01981,-0.0469,1.0000,0.0244 -11.250,-0.9054,0.02485,0.01881,-0.0458,1.0000,0.0251 -11.000,-0.8947,0.02370,0.01759,-0.0443,1.0000,0.0259 -10.750,-0.8851,0.02262,0.01654,-0.0428,1.0000,0.0267 -10.500,-0.8740,0.02184,0.01577,-0.0411,1.0000,0.0273 -10.250,-0.8639,0.02121,0.01512,-0.0391,1.0000,0.0283 -10.000,-0.8553,0.02064,0.01452,-0.0367,1.0000,0.0291 -9.750,-0.8364,0.02014,0.01398,-0.0359,0.9955,0.0301 -9.500,-0.8032,0.01887,0.01269,-0.0384,0.9795,0.0315 -9.250,-0.7678,0.01812,0.01196,-0.0408,0.9649,0.0330 -9.000,-0.7352,0.01752,0.01130,-0.0424,0.9502,0.0345 -8.750,-0.7104,0.01712,0.01082,-0.0421,0.9329,0.0357 -8.500,-0.6936,0.01649,0.01011,-0.0405,0.9170,0.0368 -8.250,-0.6771,0.01589,0.00946,-0.0389,0.9037,0.0382 -8.000,-0.6572,0.01547,0.00900,-0.0376,0.8921,0.0395 -7.750,-0.6358,0.01508,0.00856,-0.0366,0.8815,0.0410 -7.500,-0.6135,0.01475,0.00815,-0.0356,0.8725,0.0423 -7.250,-0.5927,0.01418,0.00755,-0.0346,0.8631,0.0443 -7.000,-0.5700,0.01377,0.00710,-0.0338,0.8554,0.0466 -6.750,-0.5456,0.01343,0.00673,-0.0333,0.8473,0.0490 -6.500,-0.5218,0.01305,0.00630,-0.0326,0.8405,0.0521 -6.250,-0.4970,0.01266,0.00593,-0.0321,0.8328,0.0570 -6.000,-0.4725,0.01225,0.00552,-0.0315,0.8260,0.0651 -5.750,-0.4484,0.01171,0.00511,-0.0311,0.8190,0.0877 -5.500,-0.4249,0.01105,0.00468,-0.0306,0.8122,0.1351 -5.250,-0.4012,0.01039,0.00427,-0.0302,0.8060,0.1932 -5.000,-0.3774,0.00961,0.00386,-0.0300,0.7988,0.2740 -4.750,-0.3529,0.00897,0.00354,-0.0297,0.7922,0.3583 -4.500,-0.3261,0.00862,0.00337,-0.0296,0.7836,0.4110 -4.250,-0.2987,0.00844,0.00323,-0.0293,0.7752,0.4452 -4.000,-0.2704,0.00830,0.00314,-0.0292,0.7663,0.4716 -3.500,-0.2132,0.00816,0.00298,-0.0290,0.7501,0.5070 -3.250,-0.1845,0.00812,0.00293,-0.0290,0.7440,0.5217 -3.000,-0.1555,0.00809,0.00291,-0.0290,0.7374,0.5368 -2.750,-0.1266,0.00806,0.00288,-0.0289,0.7301,0.5511 -2.500,-0.0976,0.00806,0.00285,-0.0289,0.7232,0.5631 -2.250,-0.0684,0.00806,0.00282,-0.0289,0.7150,0.5752 -2.000,-0.0398,0.00806,0.00282,-0.0287,0.7067,0.5884 -1.750,-0.0109,0.00802,0.00279,-0.0286,0.6973,0.5975 -1.500,0.0183,0.00802,0.00275,-0.0286,0.6888,0.6047 -1.250,0.0474,0.00800,0.00272,-0.0286,0.6802,0.6118 -1.000,0.0765,0.00799,0.00271,-0.0286,0.6713,0.6186 -0.750,0.1057,0.00800,0.00265,-0.0286,0.6608,0.6251 -0.500,0.1346,0.00796,0.00264,-0.0286,0.6493,0.6309 -0.250,0.1637,0.00798,0.00262,-0.0286,0.6375,0.6374 0.000,0.1925,0.00799,0.00259,-0.0286,0.6238,0.6436 0.250,0.2211,0.00801,0.00259,-0.0285,0.6066,0.6501 0.500,0.2498,0.00807,0.00257,-0.0284,0.5844,0.6569 0.750,0.2772,0.00816,0.00257,-0.0282,0.5506,0.6624 1.000,0.3028,0.00847,0.00261,-0.0277,0.4748,0.6686 1.250,0.3243,0.00932,0.00285,-0.0269,0.3532,0.6748 1.500,0.3508,0.00961,0.00305,-0.0266,0.3247,0.6807 2.000,0.4055,0.01006,0.00333,-0.0264,0.2849,0.6940 2.250,0.4328,0.01026,0.00348,-0.0263,0.2693,0.7007 2.500,0.4605,0.01046,0.00360,-0.0262,0.2555,0.7077 2.750,0.4878,0.01061,0.00375,-0.0261,0.2434,0.7139 3.000,0.5152,0.01082,0.00391,-0.0260,0.2329,0.7214 3.250,0.5421,0.01101,0.00408,-0.0258,0.2231,0.7280 3.500,0.5694,0.01119,0.00425,-0.0256,0.2149,0.7354 3.750,0.5961,0.01143,0.00444,-0.0254,0.2065,0.7424 4.000,0.6231,0.01159,0.00463,-0.0252,0.1996,0.7492 4.250,0.6501,0.01182,0.00481,-0.0251,0.1923,0.7567 4.500,0.6763,0.01201,0.00503,-0.0247,0.1861,0.7630 4.750,0.7033,0.01219,0.00522,-0.0245,0.1804,0.7704 5.000,0.7289,0.01246,0.00545,-0.0242,0.1746,0.7771 5.250,0.7552,0.01266,0.00569,-0.0239,0.1701,0.7847 5.500,0.7816,0.01284,0.00590,-0.0236,0.1653,0.7925 5.750,0.8065,0.01312,0.00615,-0.0231,0.1600,0.8006 6.000,0.8320,0.01337,0.00642,-0.0228,0.1554,0.8086 6.250,0.8577,0.01353,0.00663,-0.0224,0.1511,0.8165 6.500,0.8825,0.01380,0.00689,-0.0219,0.1466,0.8249 6.750,0.9051,0.01419,0.00728,-0.0211,0.1420,0.8335 7.000,0.9306,0.01436,0.00752,-0.0207,0.1391,0.8420 7.250,0.9547,0.01458,0.00779,-0.0200,0.1356,0.8512 7.500,0.9774,0.01488,0.00810,-0.0192,0.1318,0.8605 8.000,1.0201,0.01554,0.00885,-0.0171,0.1253,0.8829 8.250,1.0414,0.01575,0.00913,-0.0160,0.1225,0.8957 8.500,1.0605,0.01598,0.00942,-0.0144,0.1195,0.9113 8.750,1.0751,0.01625,0.00973,-0.0121,0.1167,0.9335 9.000,1.0935,0.01677,0.01027,-0.0108,0.1132,1.0000 9.250,1.1195,0.01706,0.01061,-0.0109,0.1117,1.0000 9.500,1.1436,0.01741,0.01099,-0.0107,0.1096,1.0000 9.750,1.1653,0.01779,0.01139,-0.0101,0.1074,1.0000 10.000,1.1850,0.01821,0.01181,-0.0091,0.1053,1.0000 10.250,1.2023,0.01874,0.01233,-0.0079,0.1031,1.0000 10.500,1.2161,0.01953,0.01309,-0.0063,0.1004,1.0000 10.750,1.2340,0.02006,0.01367,-0.0053,0.0989,1.0000 11.000,1.2529,0.02049,0.01416,-0.0044,0.0974,1.0000 11.250,1.2707,0.02099,0.01471,-0.0035,0.0955,1.0000 11.500,1.2881,0.02150,0.01525,-0.0025,0.0934,1.0000 11.750,1.3036,0.02216,0.01591,-0.0015,0.0915,1.0000 12.000,1.3165,0.02300,0.01674,-0.0003,0.0892,1.0000 12.250,1.3268,0.02412,0.01787,0.0010,0.0867,1.0000 12.500,1.3437,0.02473,0.01856,0.0018,0.0856,1.0000 12.750,1.3599,0.02539,0.01928,0.0025,0.0838,1.0000 13.000,1.3738,0.02626,0.02020,0.0033,0.0824,1.0000 13.250,1.3868,0.02721,0.02121,0.0041,0.0811,1.0000 13.500,1.3983,0.02830,0.02233,0.0050,0.0799,1.0000 13.750,1.4084,0.02949,0.02354,0.0058,0.0783,1.0000 14.000,1.4159,0.03097,0.02505,0.0067,0.0769,1.0000 14.250,1.4204,0.03277,0.02690,0.0076,0.0753,1.0000 14.500,1.4309,0.03407,0.02828,0.0081,0.0746,1.0000 14.750,1.4415,0.03539,0.02969,0.0086,0.0739,1.0000 15.000,1.4514,0.03677,0.03116,0.0089,0.0731,1.0000 15.250,1.4597,0.03835,0.03284,0.0092,0.0723,1.0000 15.500,1.4682,0.03994,0.03450,0.0094,0.0711,1.0000 15.750,1.4745,0.04178,0.03643,0.0095,0.0703,1.0000 16.000,1.4803,0.04371,0.03843,0.0095,0.0694,1.0000 16.250,1.4854,0.04578,0.04056,0.0094,0.0684,1.0000 16.500,1.4885,0.04812,0.04296,0.0091,0.0674,1.0000 16.750,1.4892,0.05081,0.04570,0.0085,0.0663,1.0000 17.000,1.4877,0.05385,0.04882,0.0079,0.0654,1.0000 17.250,1.4828,0.05738,0.05242,0.0071,0.0643,1.0000 17.500,1.4830,0.06047,0.05562,0.0061,0.0638,1.0000 17.750,1.4827,0.06376,0.05903,0.0049,0.0634,1.0000 18.000,1.4812,0.06735,0.06275,0.0034,0.0629,1.0000 18.250,1.4777,0.07131,0.06683,0.0016,0.0624,1.0000 18.500,1.4728,0.07563,0.07128,-0.0005,0.0618,1.0000 18.750,1.4662,0.08038,0.07615,-0.0030,0.0611,1.0000 19.000,1.4575,0.08560,0.08151,-0.0058,0.0605,1.0000 19.250,1.4475,0.09121,0.08724,-0.0090,0.0599,1.0000