Xfoil polar. Reynolds number fixed. Mach number fixed Polar key,xf-usa25-il-500000-n5 Airfoil,usa25-il Reynolds number,500000 Ncrit,5 Mach,0 Max Cl/Cd,97.3315 Max Cl/Cd alpha,5.5 Url,http://www.airfoiltools.com/polar/csv?polar=xf-usa25-il-500000-n5 Alpha,Cl,Cd,Cdp,Cm,Top_Xtr,Bot_Xtr -8.750,-0.2818,0.08842,0.08614,-0.0460,0.9869,0.0144 -8.500,-0.2722,0.08405,0.08177,-0.0504,0.9844,0.0153 -8.000,-0.2692,0.07241,0.07014,-0.0623,0.9737,0.0167 -7.750,-0.2558,0.07038,0.06810,-0.0640,0.9676,0.0169 -7.500,-0.2358,0.06738,0.06507,-0.0681,0.9638,0.0173 -7.250,-0.2209,0.06434,0.06200,-0.0709,0.9577,0.0178 -7.000,-0.2029,0.06065,0.05826,-0.0748,0.9512,0.0188 -6.750,-0.1888,0.05508,0.05259,-0.0794,0.9429,0.0198 -6.250,-0.1476,0.04494,0.04217,-0.0875,0.9225,0.0219 -6.000,-0.1175,0.04205,0.03916,-0.0909,0.9069,0.0224 -5.500,-0.0921,0.02022,0.01584,-0.0954,0.8654,0.0251 -5.250,-0.0651,0.01797,0.01308,-0.0959,0.8407,0.0254 -5.000,-0.0405,0.01674,0.01145,-0.0954,0.8151,0.0257 -4.750,-0.0177,0.01588,0.01027,-0.0945,0.7898,0.0259 -4.500,0.0043,0.01521,0.00930,-0.0932,0.7611,0.0261 -4.250,0.0247,0.01474,0.00850,-0.0916,0.7184,0.0263 -4.000,0.0416,0.01462,0.00797,-0.0891,0.6486,0.0265 -3.750,0.0592,0.01466,0.00762,-0.0869,0.5805,0.0267 -3.500,0.0794,0.01446,0.00710,-0.0853,0.5325,0.0269 -3.250,0.1012,0.01381,0.00617,-0.0841,0.5043,0.0271 -3.000,0.1244,0.01329,0.00547,-0.0831,0.4861,0.0273 -2.750,0.1482,0.01282,0.00485,-0.0822,0.4732,0.0278 -2.500,0.1726,0.01250,0.00443,-0.0815,0.4631,0.0282 -2.250,0.1972,0.01222,0.00408,-0.0808,0.4556,0.0286 -2.000,0.2220,0.01199,0.00380,-0.0800,0.4489,0.0290 -1.750,0.2467,0.01181,0.00356,-0.0793,0.4432,0.0294 -1.500,0.2718,0.01164,0.00334,-0.0787,0.4380,0.0297 -1.250,0.2968,0.01151,0.00317,-0.0780,0.4332,0.0301 -1.000,0.3215,0.01140,0.00301,-0.0773,0.4292,0.0305 -0.750,0.3467,0.01130,0.00288,-0.0766,0.4260,0.0309 -0.500,0.3720,0.01120,0.00276,-0.0760,0.4228,0.0317 -0.250,0.3971,0.01113,0.00266,-0.0753,0.4196,0.0324 0.000,0.4220,0.01109,0.00258,-0.0747,0.4164,0.0329 0.250,0.4468,0.01107,0.00252,-0.0740,0.4132,0.0333 0.500,0.4721,0.01104,0.00246,-0.0733,0.4107,0.0339 1.000,0.5226,0.01098,0.00239,-0.0721,0.4057,0.0369 1.250,0.5474,0.01096,0.00238,-0.0714,0.4021,0.0411 1.500,0.5714,0.01091,0.00241,-0.0706,0.3989,0.0725 1.750,0.5963,0.01095,0.00246,-0.0700,0.3959,0.0818 2.250,0.6468,0.01093,0.00257,-0.0689,0.3898,0.1076 2.500,0.6716,0.01095,0.00266,-0.0683,0.3864,0.1294 2.750,0.6963,0.01100,0.00274,-0.0676,0.3831,0.1449 3.000,0.7212,0.01107,0.00282,-0.0670,0.3802,0.1566 3.250,0.7467,0.01109,0.00290,-0.0665,0.3772,0.1680 3.500,0.7718,0.01112,0.00300,-0.0660,0.3739,0.1842 3.750,0.7964,0.01115,0.00310,-0.0653,0.3699,0.2076 4.000,0.8205,0.01122,0.00321,-0.0646,0.3663,0.2295 4.250,0.8454,0.01124,0.00333,-0.0640,0.3635,0.2556 4.500,0.8685,0.01111,0.00345,-0.0632,0.3605,0.3682 4.750,0.8990,0.01007,0.00376,-0.0639,0.3567,0.9527 5.000,0.9571,0.01032,0.00401,-0.0708,0.3499,0.9799 5.250,1.0041,0.01050,0.00416,-0.0752,0.3362,0.9937 5.500,1.0395,0.01068,0.00429,-0.0771,0.3168,0.9989 5.750,1.0631,0.01094,0.00442,-0.0765,0.2882,1.0000 6.000,1.0781,0.01136,0.00464,-0.0741,0.2525,1.0000 6.250,1.0905,0.01202,0.00503,-0.0713,0.2077,1.0000 6.500,1.1043,0.01264,0.00546,-0.0688,0.1762,1.0000 6.750,1.1202,0.01312,0.00584,-0.0667,0.1552,1.0000 7.000,1.1359,0.01363,0.00623,-0.0645,0.1340,1.0000 7.250,1.1388,0.01494,0.00709,-0.0603,0.0622,1.0000 7.750,1.1596,0.01644,0.00836,-0.0541,0.0159,1.0000 8.000,1.1738,0.01685,0.00883,-0.0515,0.0138,1.0000 8.250,1.1886,0.01722,0.00926,-0.0492,0.0132,1.0000 8.500,1.2026,0.01764,0.00974,-0.0467,0.0123,1.0000 8.750,1.2158,0.01814,0.01030,-0.0442,0.0113,1.0000 9.000,1.2283,0.01869,0.01092,-0.0417,0.0107,1.0000 9.250,1.2384,0.01939,0.01171,-0.0388,0.0099,1.0000 9.500,1.2515,0.01995,0.01234,-0.0365,0.0096,1.0000 9.750,1.2635,0.02058,0.01305,-0.0341,0.0093,1.0000 10.000,1.2745,0.02127,0.01381,-0.0317,0.0090,1.0000 10.250,1.2844,0.02205,0.01466,-0.0292,0.0085,1.0000 10.500,1.2938,0.02288,0.01556,-0.0268,0.0083,1.0000 10.750,1.3013,0.02383,0.01658,-0.0243,0.0078,1.0000 11.000,1.3075,0.02491,0.01774,-0.0218,0.0075,1.0000 11.250,1.3107,0.02623,0.01914,-0.0191,0.0074,1.0000 11.500,1.3104,0.02787,0.02088,-0.0164,0.0071,1.0000 11.750,1.3151,0.02928,0.02237,-0.0144,0.0069,1.0000 12.000,1.3165,0.03103,0.02423,-0.0125,0.0068,1.0000 12.250,1.3187,0.03285,0.02615,-0.0109,0.0066,1.0000 12.500,1.3176,0.03512,0.02852,-0.0095,0.0065,1.0000 12.750,1.3169,0.03752,0.03103,-0.0085,0.0063,1.0000 13.000,1.3145,0.04028,0.03390,-0.0079,0.0062,1.0000 13.250,1.3106,0.04343,0.03717,-0.0077,0.0061,1.0000 13.500,1.3062,0.04688,0.04073,-0.0079,0.0060,1.0000 13.750,1.3024,0.05042,0.04438,-0.0083,0.0059,1.0000 14.000,1.2983,0.05412,0.04818,-0.0090,0.0058,1.0000 14.250,1.2937,0.05795,0.05211,-0.0097,0.0057,1.0000 14.500,1.2870,0.06207,0.05633,-0.0105,0.0057,1.0000 14.750,1.2811,0.06608,0.06043,-0.0113,0.0056,1.0000 15.000,1.2779,0.06977,0.06421,-0.0122,0.0054,1.0000 15.250,1.2715,0.07386,0.06838,-0.0131,0.0054,1.0000 15.500,1.2648,0.07797,0.07258,-0.0139,0.0054,1.0000 15.750,1.2604,0.08188,0.07656,-0.0149,0.0053,1.0000 16.000,1.2549,0.08596,0.08071,-0.0159,0.0052,1.0000 16.250,1.2489,0.09012,0.08494,-0.0169,0.0051,1.0000