Xfoil polar. Reynolds number fixed. Mach number fixed Polar key,xf-naca2415-il-500000 Airfoil,naca2415-il Reynolds number,500000 Ncrit,9 Mach,0 Max Cl/Cd,86.3415 Max Cl/Cd alpha,5.5 Url,http://www.airfoiltools.com/polar/csv?polar=xf-naca2415-il-500000 Alpha,Cl,Cd,Cdp,Cm,Top_Xtr,Bot_Xtr -18.250,-1.0002,0.09789,0.09434,-0.0445,1.0000,0.0335 -18.000,-1.0252,0.08973,0.08603,-0.0496,1.0000,0.0337 -17.750,-1.0444,0.08279,0.07896,-0.0539,1.0000,0.0339 -17.500,-1.0601,0.07662,0.07265,-0.0577,1.0000,0.0341 -17.250,-1.0739,0.07095,0.06685,-0.0613,1.0000,0.0343 -17.000,-1.0861,0.06568,0.06146,-0.0645,1.0000,0.0346 -16.750,-1.0966,0.06083,0.05647,-0.0674,1.0000,0.0348 -16.500,-1.1046,0.05644,0.05196,-0.0700,1.0000,0.0351 -16.250,-1.1106,0.05248,0.04786,-0.0722,1.0000,0.0354 -16.000,-1.1152,0.04885,0.04409,-0.0741,1.0000,0.0358 -15.750,-1.1181,0.04557,0.04066,-0.0756,1.0000,0.0361 -15.500,-1.1196,0.04263,0.03758,-0.0767,1.0000,0.0364 -15.250,-1.1195,0.04005,0.03485,-0.0774,1.0000,0.0366 -15.000,-1.1182,0.03783,0.03248,-0.0777,1.0000,0.0369 -14.750,-1.1162,0.03544,0.03003,-0.0771,1.0000,0.0374 -14.500,-1.1101,0.03373,0.02830,-0.0765,1.0000,0.0379 -14.250,-1.1033,0.03228,0.02681,-0.0758,1.0000,0.0384 -14.000,-1.0964,0.03096,0.02544,-0.0747,1.0000,0.0388 -13.750,-1.0898,0.02976,0.02417,-0.0733,1.0000,0.0393 -13.500,-1.0840,0.02867,0.02301,-0.0713,1.0000,0.0397 -13.250,-1.0800,0.02771,0.02198,-0.0687,1.0000,0.0402 -13.000,-1.0798,0.02695,0.02114,-0.0649,1.0000,0.0406 -12.750,-1.0807,0.02631,0.02043,-0.0606,1.0000,0.0410 -12.500,-1.0763,0.02568,0.01971,-0.0571,1.0000,0.0415 -12.250,-1.0706,0.02513,0.01907,-0.0537,1.0000,0.0418 -12.000,-1.0671,0.02413,0.01803,-0.0501,1.0000,0.0424 -11.750,-1.0620,0.02328,0.01717,-0.0467,1.0000,0.0429 -11.500,-1.0542,0.02262,0.01650,-0.0436,1.0000,0.0435 -11.250,-1.0447,0.02205,0.01590,-0.0408,1.0000,0.0440 -11.000,-1.0339,0.02152,0.01533,-0.0381,1.0000,0.0447 -10.750,-1.0217,0.02102,0.01480,-0.0357,1.0000,0.0455 -10.500,-0.9894,0.02040,0.01410,-0.0371,0.9980,0.0466 -10.250,-0.9562,0.01985,0.01345,-0.0387,0.9958,0.0474 -10.000,-0.9255,0.01884,0.01245,-0.0401,0.9938,0.0487 -9.750,-0.8939,0.01820,0.01180,-0.0414,0.9914,0.0500 -9.500,-0.8620,0.01765,0.01122,-0.0426,0.9883,0.0515 -9.250,-0.8278,0.01718,0.01070,-0.0443,0.9858,0.0531 -9.000,-0.7939,0.01648,0.00998,-0.0460,0.9836,0.0552 -8.750,-0.7578,0.01594,0.00945,-0.0481,0.9820,0.0576 -8.500,-0.7270,0.01551,0.00899,-0.0488,0.9778,0.0600 -8.250,-0.6942,0.01489,0.00839,-0.0502,0.9744,0.0634 -8.000,-0.6576,0.01447,0.00795,-0.0522,0.9722,0.0677 -7.750,-0.6208,0.01392,0.00745,-0.0543,0.9705,0.0735 -7.500,-0.5829,0.01345,0.00701,-0.0566,0.9692,0.0805 -7.250,-0.5549,0.01312,0.00668,-0.0566,0.9633,0.0872 -7.000,-0.5218,0.01270,0.00631,-0.0578,0.9596,0.0958 -6.750,-0.4879,0.01229,0.00595,-0.0591,0.9566,0.1048 -6.500,-0.4587,0.01197,0.00565,-0.0594,0.9513,0.1133 -6.250,-0.4303,0.01170,0.00538,-0.0594,0.9450,0.1219 -6.000,-0.3999,0.01134,0.00507,-0.0598,0.9404,0.1323 -5.750,-0.3746,0.01107,0.00483,-0.0592,0.9323,0.1417 -5.500,-0.3465,0.01081,0.00457,-0.0591,0.9256,0.1517 -5.250,-0.3202,0.01053,0.00434,-0.0586,0.9177,0.1636 -5.000,-0.2936,0.01026,0.00411,-0.0582,0.9094,0.1769 -4.750,-0.2671,0.01001,0.00391,-0.0578,0.9006,0.1921 -4.500,-0.2403,0.00977,0.00371,-0.0574,0.8914,0.2099 -4.250,-0.2137,0.00956,0.00355,-0.0570,0.8812,0.2294 -4.000,-0.1863,0.00937,0.00338,-0.0567,0.8717,0.2486 -3.750,-0.1597,0.00920,0.00324,-0.0563,0.8600,0.2668 -3.250,-0.1056,0.00888,0.00297,-0.0557,0.8374,0.3043 -3.000,-0.0788,0.00873,0.00286,-0.0553,0.8251,0.3238 -2.750,-0.0518,0.00859,0.00275,-0.0550,0.8134,0.3445 -2.500,-0.0249,0.00846,0.00264,-0.0547,0.8012,0.3676 -2.250,0.0020,0.00833,0.00256,-0.0544,0.7883,0.3933 -2.000,0.0286,0.00818,0.00248,-0.0540,0.7761,0.4233 -1.750,0.0551,0.00805,0.00241,-0.0536,0.7638,0.4576 -1.500,0.0814,0.00789,0.00238,-0.0532,0.7504,0.4974 -1.250,0.1077,0.00778,0.00235,-0.0527,0.7370,0.5378 -1.000,0.1341,0.00769,0.00233,-0.0522,0.7235,0.5754 -0.750,0.1604,0.00763,0.00232,-0.0517,0.7099,0.6102 -0.500,0.1869,0.00756,0.00232,-0.0513,0.6962,0.6430 -0.250,0.2133,0.00752,0.00233,-0.0508,0.6827,0.6750 0.000,0.2394,0.00748,0.00235,-0.0502,0.6690,0.7056 0.250,0.2653,0.00747,0.00237,-0.0496,0.6543,0.7369 0.500,0.2910,0.00745,0.00242,-0.0488,0.6390,0.7705 0.750,0.3164,0.00745,0.00249,-0.0480,0.6240,0.8049 1.000,0.3418,0.00748,0.00256,-0.0472,0.6091,0.8357 1.250,0.3672,0.00755,0.00263,-0.0463,0.5947,0.8636 1.500,0.3925,0.00765,0.00272,-0.0455,0.5811,0.8871 1.750,0.4187,0.00774,0.00281,-0.0448,0.5677,0.9078 2.000,0.4458,0.00786,0.00291,-0.0443,0.5551,0.9265 2.250,0.4746,0.00801,0.00302,-0.0442,0.5434,0.9422 2.500,0.5050,0.00817,0.00313,-0.0446,0.5309,0.9556 2.750,0.5380,0.00832,0.00325,-0.0455,0.5183,0.9667 3.000,0.5751,0.00851,0.00337,-0.0473,0.5058,0.9735 3.250,0.6107,0.00872,0.00350,-0.0489,0.4924,0.9812 3.500,0.6529,0.00890,0.00362,-0.0520,0.4754,0.9849 3.750,0.6946,0.00909,0.00375,-0.0550,0.4596,0.9906 4.000,0.7386,0.00927,0.00389,-0.0585,0.4452,0.9954 4.250,0.7820,0.00945,0.00402,-0.0618,0.4308,0.9996 4.500,0.8050,0.00960,0.00411,-0.0610,0.4188,1.0000 4.750,0.8254,0.00973,0.00420,-0.0596,0.4064,1.0000 5.000,0.8458,0.00987,0.00431,-0.0582,0.3942,1.0000 5.250,0.8656,0.01005,0.00443,-0.0566,0.3808,1.0000 5.500,0.8850,0.01025,0.00457,-0.0550,0.3654,1.0000 5.750,0.9044,0.01048,0.00472,-0.0534,0.3483,1.0000 6.000,0.9239,0.01072,0.00489,-0.0518,0.3313,1.0000 6.250,0.9436,0.01098,0.00508,-0.0502,0.3155,1.0000 6.500,0.9634,0.01125,0.00529,-0.0487,0.2994,1.0000 6.750,0.9832,0.01154,0.00551,-0.0472,0.2821,1.0000 7.000,1.0031,0.01186,0.00575,-0.0457,0.2629,1.0000 7.250,1.0226,0.01223,0.00603,-0.0442,0.2435,1.0000 7.500,1.0420,0.01263,0.00635,-0.0428,0.2261,1.0000 7.750,1.0616,0.01304,0.00668,-0.0414,0.2109,1.0000 8.000,1.0813,0.01346,0.00704,-0.0400,0.1967,1.0000 8.250,1.1008,0.01389,0.00742,-0.0386,0.1822,1.0000 8.500,1.1200,0.01434,0.00780,-0.0372,0.1670,1.0000 8.750,1.1383,0.01483,0.00822,-0.0357,0.1514,1.0000 9.000,1.1556,0.01537,0.00867,-0.0341,0.1369,1.0000 9.250,1.1713,0.01591,0.00915,-0.0322,0.1245,1.0000 9.500,1.1856,0.01649,0.00968,-0.0300,0.1139,1.0000 9.750,1.1995,0.01712,0.01026,-0.0279,0.1043,1.0000 10.000,1.2147,0.01772,0.01084,-0.0260,0.0957,1.0000 10.250,1.2288,0.01839,0.01149,-0.0241,0.0878,1.0000 10.500,1.2414,0.01916,0.01223,-0.0221,0.0808,1.0000 10.750,1.2547,0.01992,0.01298,-0.0202,0.0749,1.0000 11.000,1.2673,0.02075,0.01381,-0.0184,0.0702,1.0000 11.250,1.2790,0.02164,0.01471,-0.0166,0.0663,1.0000 11.500,1.2894,0.02266,0.01574,-0.0147,0.0632,1.0000 11.750,1.3018,0.02357,0.01670,-0.0132,0.0608,1.0000 12.000,1.3115,0.02470,0.01785,-0.0115,0.0587,1.0000 12.250,1.3159,0.02624,0.01941,-0.0096,0.0568,1.0000 12.500,1.3279,0.02732,0.02056,-0.0084,0.0555,1.0000 12.750,1.3381,0.02857,0.02188,-0.0072,0.0540,1.0000 13.000,1.3468,0.02997,0.02332,-0.0060,0.0527,1.0000 13.250,1.3525,0.03166,0.02506,-0.0049,0.0516,1.0000 13.500,1.3537,0.03381,0.02725,-0.0037,0.0505,1.0000 13.750,1.3583,0.03574,0.02926,-0.0027,0.0497,1.0000 14.000,1.3658,0.03749,0.03109,-0.0021,0.0489,1.0000 14.250,1.3719,0.03940,0.03309,-0.0015,0.0481,1.0000 14.500,1.3771,0.04145,0.03521,-0.0011,0.0472,1.0000 14.750,1.3810,0.04366,0.03749,-0.0007,0.0465,1.0000 15.000,1.3838,0.04606,0.03995,-0.0005,0.0458,1.0000 15.250,1.3844,0.04875,0.04268,-0.0003,0.0451,1.0000 15.500,1.3818,0.05174,0.04571,0.0000,0.0444,1.0000 15.750,1.3821,0.05450,0.04854,0.0001,0.0438,1.0000 16.000,1.3856,0.05708,0.05123,-0.0001,0.0433,1.0000 16.250,1.3880,0.05981,0.05406,-0.0004,0.0428,1.0000 16.500,1.3896,0.06265,0.05699,-0.0008,0.0422,1.0000 16.750,1.3907,0.06558,0.06001,-0.0012,0.0416,1.0000 17.000,1.3914,0.06860,0.06310,-0.0017,0.0411,1.0000 17.250,1.3918,0.07172,0.06628,-0.0023,0.0405,1.0000 17.500,1.3914,0.07492,0.06953,-0.0030,0.0400,1.0000 17.750,1.3907,0.07807,0.07272,-0.0035,0.0395,1.0000 18.000,1.3906,0.08089,0.07554,-0.0036,0.0388,1.0000 18.250,1.3899,0.08420,0.07896,-0.0044,0.0384,1.0000 18.500,1.3885,0.08780,0.08268,-0.0055,0.0380,1.0000 18.750,1.3860,0.09158,0.08657,-0.0068,0.0376,1.0000 19.000,1.3835,0.09536,0.09045,-0.0081,0.0371,1.0000