Xfoil polar. Reynolds number fixed. Mach number fixed Polar key,xf-usa25-il-200000 Airfoil,usa25-il Reynolds number,200000 Ncrit,9 Mach,0 Max Cl/Cd,74.0845 Max Cl/Cd alpha,8.5 Url,http://airfoiltools.com/polar/csv?polar=xf-usa25-il-200000 Alpha,Cl,Cd,Cdp,Cm,Top_Xtr,Bot_Xtr -7.250,-0.3614,0.09269,0.08959,-0.0164,1.0000,0.0466 -7.000,-0.3731,0.09115,0.08811,-0.0143,1.0000,0.0472 -6.750,-0.3804,0.08920,0.08620,-0.0131,1.0000,0.0484 -6.500,-0.3855,0.08706,0.08409,-0.0129,0.9998,0.0500 -6.250,-0.3430,0.08064,0.07750,-0.0318,0.9901,0.0531 -6.000,-0.3246,0.07659,0.07349,-0.0304,0.9868,0.0545 -5.750,-0.2959,0.07316,0.07003,-0.0342,0.9832,0.0573 -5.250,-0.2271,0.06409,0.06065,-0.0503,0.9704,0.0646 -5.000,-0.2097,0.06102,0.05760,-0.0502,0.9629,0.0660 -4.750,-0.1770,0.05778,0.05429,-0.0539,0.9584,0.0691 -4.500,-0.1333,0.05462,0.05071,-0.0614,0.9491,0.0763 -4.250,-0.1083,0.05039,0.04653,-0.0631,0.9446,0.0776 -4.000,-0.0826,0.04758,0.04370,-0.0643,0.9380,0.0794 -3.750,-0.0514,0.04486,0.04089,-0.0664,0.9311,0.0827 -3.500,-0.0069,0.04235,0.03784,-0.0704,0.9234,0.0899 -3.250,0.0177,0.03868,0.03425,-0.0715,0.9165,0.0916 -3.000,0.0460,0.03638,0.03193,-0.0723,0.9082,0.0941 -2.750,0.0813,0.03391,0.02930,-0.0741,0.9006,0.0976 -2.500,0.1111,0.02736,0.02201,-0.0738,0.8896,0.0776 -2.250,0.1421,0.01984,0.01349,-0.0735,0.8821,0.0606 -2.000,0.1808,0.01752,0.01071,-0.0750,0.8696,0.0615 -1.750,0.2184,0.01589,0.00874,-0.0763,0.8500,0.0621 -1.500,0.2685,0.01443,0.00696,-0.0801,0.8227,0.0630 -1.250,0.3124,0.01337,0.00565,-0.0828,0.7735,0.0654 -1.000,0.3422,0.01314,0.00508,-0.0826,0.6964,0.0688 -0.750,0.3633,0.01317,0.00467,-0.0807,0.6330,0.0735 -0.500,0.3842,0.01315,0.00443,-0.0790,0.5989,0.0812 -0.250,0.4072,0.01321,0.00435,-0.0778,0.5781,0.1018 0.000,0.4319,0.01344,0.00450,-0.0771,0.5635,0.1262 0.250,0.4572,0.01369,0.00461,-0.0765,0.5518,0.1406 0.500,0.4828,0.01387,0.00469,-0.0760,0.5419,0.1520 0.750,0.5086,0.01404,0.00474,-0.0755,0.5341,0.1603 1.000,0.5341,0.01408,0.00479,-0.0750,0.5269,0.1689 1.250,0.5604,0.01427,0.00491,-0.0748,0.5209,0.1823 1.500,0.5862,0.01436,0.00499,-0.0743,0.5151,0.1950 1.750,0.6116,0.01442,0.00508,-0.0739,0.5093,0.2099 2.000,0.6377,0.01450,0.00516,-0.0736,0.5047,0.2268 2.250,0.6623,0.01449,0.00523,-0.0729,0.5003,0.2443 2.500,0.6863,0.01449,0.00528,-0.0721,0.4953,0.2661 2.750,0.7105,0.01450,0.00534,-0.0714,0.4904,0.2967 3.000,0.8403,0.01358,0.00583,-0.0931,0.4787,1.0000 3.250,0.8639,0.01387,0.00598,-0.0922,0.4736,1.0000 3.500,0.8843,0.01404,0.00617,-0.0908,0.4678,1.0000 3.750,0.9059,0.01425,0.00633,-0.0895,0.4619,1.0000 4.000,0.9295,0.01457,0.00657,-0.0887,0.4571,1.0000 4.250,0.9501,0.01475,0.00683,-0.0873,0.4527,1.0000 4.500,0.9721,0.01499,0.00708,-0.0861,0.4482,1.0000 4.750,0.9955,0.01528,0.00733,-0.0853,0.4441,1.0000 5.000,1.0175,0.01558,0.00766,-0.0842,0.4397,1.0000 5.250,1.0379,0.01579,0.00795,-0.0827,0.4345,1.0000 5.500,1.0604,0.01605,0.00820,-0.0817,0.4294,1.0000 5.750,1.0829,0.01638,0.00854,-0.0807,0.4246,1.0000 6.000,1.1017,0.01655,0.00883,-0.0789,0.4181,1.0000 6.250,1.1223,0.01672,0.00894,-0.0774,0.4095,1.0000 6.500,1.1380,0.01670,0.00899,-0.0749,0.3992,1.0000 6.750,1.1556,0.01679,0.00914,-0.0729,0.3903,1.0000 7.000,1.1736,0.01684,0.00920,-0.0709,0.3814,1.0000 7.250,1.1887,0.01684,0.00932,-0.0683,0.3708,1.0000 7.500,1.2040,0.01682,0.00935,-0.0658,0.3596,1.0000 7.750,1.2196,0.01684,0.00940,-0.0633,0.3486,1.0000 8.000,1.2342,0.01686,0.00949,-0.0607,0.3350,1.0000 8.250,1.2486,0.01690,0.00963,-0.0581,0.3169,1.0000 8.500,1.2624,0.01704,0.00978,-0.0554,0.2946,1.0000 8.750,1.2745,0.01736,0.01003,-0.0525,0.2683,1.0000 9.000,1.2829,0.01793,0.01043,-0.0491,0.2375,1.0000 9.250,1.2892,0.01865,0.01100,-0.0454,0.2101,1.0000 9.500,1.2952,0.01947,0.01169,-0.0418,0.1858,1.0000 9.750,1.2997,0.02044,0.01254,-0.0381,0.1598,1.0000 10.000,1.3052,0.02143,0.01342,-0.0348,0.1300,1.0000 10.250,1.2962,0.02327,0.01482,-0.0297,0.0743,1.0000 10.500,1.2916,0.02495,0.01634,-0.0254,0.0490,1.0000 10.750,1.2914,0.02642,0.01777,-0.0218,0.0355,1.0000 11.000,1.2939,0.02779,0.01917,-0.0189,0.0313,1.0000 11.250,1.2962,0.02923,0.02070,-0.0161,0.0291,1.0000 11.500,1.2971,0.03083,0.02241,-0.0135,0.0278,1.0000 11.750,1.2948,0.03279,0.02451,-0.0110,0.0267,1.0000 12.000,1.2924,0.03488,0.02674,-0.0089,0.0262,1.0000 12.250,1.2892,0.03721,0.02923,-0.0072,0.0255,1.0000 12.500,1.2844,0.03989,0.03206,-0.0059,0.0248,1.0000 12.750,1.2787,0.04289,0.03521,-0.0050,0.0243,1.0000 13.000,1.2719,0.04626,0.03872,-0.0046,0.0241,1.0000 13.250,1.2642,0.04997,0.04256,-0.0047,0.0235,1.0000 13.500,1.2569,0.05384,0.04655,-0.0051,0.0232,1.0000 13.750,1.2500,0.05777,0.05059,-0.0056,0.0230,1.0000 14.000,1.2436,0.06167,0.05459,-0.0061,0.0228,1.0000 14.250,1.2394,0.06525,0.05827,-0.0065,0.0227,1.0000 14.500,1.2345,0.06890,0.06199,-0.0069,0.0224,1.0000 14.750,1.2333,0.07202,0.06520,-0.0070,0.0223,1.0000 15.000,1.2328,0.07499,0.06822,-0.0069,0.0220,1.0000 15.250,1.2352,0.07749,0.07078,-0.0065,0.0218,1.0000 15.500,1.2401,0.07963,0.07296,-0.0057,0.0216,1.0000 15.750,1.2475,0.08146,0.07486,-0.0048,0.0215,1.0000 16.000,1.2554,0.08338,0.07687,-0.0039,0.0215,1.0000 16.250,1.2625,0.08552,0.07912,-0.0031,0.0215,1.0000 16.500,1.2673,0.08812,0.08184,-0.0029,0.0214,1.0000 16.750,1.2703,0.09112,0.08500,-0.0028,0.0213,1.0000 17.000,1.2726,0.09439,0.08842,-0.0023,0.0209,1.0000 17.250,1.2688,0.09855,0.09276,-0.0036,0.0209,1.0000 17.500,1.2615,0.10338,0.09779,-0.0051,0.0208,1.0000 17.750,1.2543,0.10817,0.10276,-0.0072,0.0209,1.0000 18.000,1.2451,0.11339,0.10816,-0.0097,0.0210,1.0000 18.250,1.2340,0.11909,0.11407,-0.0130,0.0213,1.0000 18.500,1.2198,0.12557,0.12078,-0.0167,0.0215,1.0000 18.750,1.2011,0.13331,0.12877,-0.0213,0.0218,1.0000 19.000,1.1787,0.14230,0.13804,-0.0269,0.0223,1.0000 19.250,1.1504,0.15322,0.14921,-0.0341,0.0226,1.0000