Xfoil polar. Reynolds number fixed. Mach number fixed Polar key,xf-s820-nr-100000-n5 Airfoil,s820-nr Reynolds number,100000 Ncrit,5 Mach,0 Max Cl/Cd,36.9605 Max Cl/Cd alpha,8.25 Url,http://airfoiltools.com/polar/csv?polar=xf-s820-nr-100000-n5 Alpha,Cl,Cd,Cdp,Cm,Top_Xtr,Bot_Xtr -13.000,-0.3477,0.13481,0.12989,-0.0583,1.0000,0.0440 -12.750,-0.3544,0.13237,0.12754,-0.0580,1.0000,0.0446 -12.500,-0.3660,0.12729,0.12254,-0.0650,0.9941,0.0466 -12.250,-0.3635,0.12145,0.11672,-0.0710,0.9880,0.0468 -11.750,-0.2168,0.09253,0.08783,-0.0900,0.9515,0.0193 -11.500,-0.2144,0.08817,0.08347,-0.0922,0.9478,0.0189 -11.250,-0.3323,0.09190,0.08702,-0.0878,0.9716,0.0194 -11.000,-0.3293,0.08719,0.08231,-0.0910,0.9649,0.0189 -10.750,-0.3300,0.08125,0.07631,-0.0965,0.9596,0.0184 -10.500,-0.3380,0.07543,0.07041,-0.1013,0.9515,0.0182 -10.250,-0.3457,0.07004,0.06488,-0.1057,0.9450,0.0177 -10.000,-0.3565,0.06579,0.06047,-0.1080,0.9356,0.0174 -9.750,-0.3670,0.06172,0.05621,-0.1096,0.9275,0.0171 -9.500,-0.3767,0.05850,0.05279,-0.1095,0.9184,0.0167 -9.250,-0.3887,0.05572,0.04979,-0.1078,0.9091,0.0163 -9.000,-0.3974,0.05302,0.04682,-0.1056,0.9022,0.0158 -8.750,-0.4066,0.05025,0.04371,-0.1023,0.8941,0.0152 -8.250,-0.4049,0.04541,0.03799,-0.0968,0.8823,0.0142 -8.000,-0.3975,0.04311,0.03542,-0.0949,0.8773,0.0141 -7.750,-0.3853,0.04077,0.03277,-0.0936,0.8739,0.0141 -7.500,-0.3744,0.03885,0.03057,-0.0916,0.8691,0.0140 -7.250,-0.3608,0.03688,0.02825,-0.0898,0.8644,0.0140 -7.000,-0.3410,0.03499,0.02600,-0.0887,0.8612,0.0142 -6.750,-0.3178,0.03298,0.02377,-0.0885,0.8589,0.0148 -6.500,-0.3008,0.03194,0.02266,-0.0874,0.8548,0.0159 -6.250,-0.2809,0.03091,0.02146,-0.0863,0.8509,0.0178 -6.000,-0.2535,0.02955,0.01989,-0.0860,0.8482,0.0186 -5.750,-0.2235,0.02818,0.01836,-0.0861,0.8460,0.0190 -5.500,-0.1947,0.02687,0.01697,-0.0861,0.8442,0.0198 -5.250,-0.1816,0.02611,0.01623,-0.0838,0.8398,0.0204 -5.000,-0.1698,0.02551,0.01562,-0.0815,0.8357,0.0214 -4.750,-0.1547,0.02490,0.01494,-0.0796,0.8325,0.0227 -4.500,-0.1364,0.02429,0.01420,-0.0782,0.8300,0.0253 -4.250,-0.1285,0.02397,0.01380,-0.0751,0.8251,0.0295 -4.000,-0.1167,0.02370,0.01344,-0.0726,0.8207,0.0342 -3.750,-0.1023,0.02308,0.01281,-0.0706,0.8177,0.0494 -3.500,-0.1121,0.02036,0.01174,-0.0662,0.8146,0.3665 -3.250,-0.1222,0.02129,0.01385,-0.0576,0.8079,0.6457 -3.000,-0.1072,0.02398,0.01666,-0.0503,0.8048,0.7147 -2.750,-0.0830,0.02443,0.01689,-0.0488,0.8026,0.7281 -2.500,-0.0553,0.02432,0.01658,-0.0491,0.8009,0.7309 -2.250,-0.0409,0.02441,0.01653,-0.0474,0.7969,0.7346 -2.000,-0.0287,0.02441,0.01638,-0.0458,0.7919,0.7397 -1.750,-0.0037,0.02438,0.01620,-0.0456,0.7892,0.7420 -1.500,0.0237,0.02433,0.01602,-0.0459,0.7873,0.7443 -1.250,0.0523,0.02428,0.01583,-0.0465,0.7859,0.7471 -1.000,0.0546,0.02471,0.01622,-0.0431,0.7791,0.7514 -0.750,0.0772,0.02471,0.01609,-0.0431,0.7758,0.7551 -0.500,0.1037,0.02475,0.01606,-0.0431,0.7737,0.7572 -0.250,0.1322,0.02476,0.01600,-0.0436,0.7721,0.7597 0.000,0.1629,0.02471,0.01587,-0.0445,0.7707,0.7625 0.250,0.1566,0.02548,0.01663,-0.0399,0.7619,0.7670 0.500,0.1843,0.02551,0.01660,-0.0405,0.7596,0.7702 0.750,0.2140,0.02552,0.01658,-0.0411,0.7579,0.7725 1.000,0.2448,0.02552,0.01655,-0.0419,0.7565,0.7752 1.500,0.2647,0.02647,0.01749,-0.0377,0.7447,0.7835 1.750,0.2964,0.02645,0.01747,-0.0386,0.7431,0.7860 2.000,0.3294,0.02639,0.01743,-0.0397,0.7418,0.7885 2.250,0.3203,0.02744,0.01852,-0.0348,0.7314,0.7933 2.500,0.3517,0.02741,0.01850,-0.0358,0.7293,0.7972 2.750,0.3853,0.02730,0.01842,-0.0369,0.7278,0.8004 3.250,0.4128,0.02829,0.01952,-0.0337,0.7153,0.8082 3.500,0.4477,0.02809,0.01936,-0.0350,0.7136,0.8120 4.000,0.4810,0.02883,0.02025,-0.0324,0.7008,0.8205 4.250,0.5082,0.02882,0.02034,-0.0326,0.6967,0.8252 4.500,0.5218,0.02928,0.02087,-0.0310,0.6882,0.8302 4.750,0.5576,0.02876,0.02046,-0.0319,0.6855,0.8340 5.250,0.6066,0.02845,0.02037,-0.0309,0.6717,0.8441 5.750,0.6589,0.02759,0.01979,-0.0298,0.6571,0.8554 6.000,0.6709,0.02782,0.02014,-0.0276,0.6452,0.8621 6.500,0.7260,0.02646,0.01908,-0.0263,0.6285,0.8754 7.000,0.7561,0.02647,0.01942,-0.0226,0.6010,0.8947 7.250,0.7732,0.02637,0.01948,-0.0209,0.5844,0.9068 7.500,0.7833,0.02695,0.02023,-0.0191,0.5617,0.9237 7.750,0.8082,0.02676,0.02020,-0.0190,0.5354,0.9452 8.000,0.8481,0.02539,0.01890,-0.0199,0.4978,1.0000 8.250,0.8889,0.02405,0.01722,-0.0201,0.4343,1.0000 8.500,0.9044,0.02463,0.01741,-0.0187,0.3732,1.0000 8.750,0.9122,0.02582,0.01830,-0.0170,0.3226,1.0000 9.000,0.9192,0.02715,0.01941,-0.0153,0.2805,1.0000 9.250,0.9268,0.02851,0.02057,-0.0139,0.2439,1.0000 9.500,0.9357,0.02984,0.02175,-0.0126,0.2139,1.0000 9.750,0.9457,0.03114,0.02295,-0.0114,0.1884,1.0000 10.000,0.9554,0.03248,0.02418,-0.0103,0.1672,1.0000 10.250,0.9667,0.03375,0.02542,-0.0093,0.1490,1.0000 10.500,0.9776,0.03507,0.02672,-0.0083,0.1338,1.0000 10.750,0.9884,0.03642,0.02810,-0.0074,0.1205,1.0000 11.000,0.9989,0.03781,0.02949,-0.0065,0.1091,1.0000 11.250,1.0084,0.03931,0.03099,-0.0056,0.0984,1.0000 11.500,1.0183,0.04081,0.03253,-0.0047,0.0885,1.0000 11.750,1.0288,0.04231,0.03412,-0.0040,0.0791,1.0000 12.000,1.0372,0.04400,0.03585,-0.0031,0.0715,1.0000 12.250,1.0449,0.04577,0.03768,-0.0024,0.0639,1.0000 12.500,1.0536,0.04755,0.03958,-0.0016,0.0567,1.0000 12.750,1.0577,0.04970,0.04174,-0.0009,0.0509,1.0000 13.000,1.0663,0.05158,0.04383,-0.0003,0.0449,1.0000 13.250,1.0688,0.05399,0.04625,0.0002,0.0408,1.0000 13.500,1.0757,0.05617,0.04864,0.0009,0.0364,1.0000 13.750,1.0786,0.05868,0.05125,0.0013,0.0330,1.0000 14.000,1.0798,0.06149,0.05415,0.0017,0.0304,1.0000 14.250,1.0832,0.06420,0.05708,0.0020,0.0274,1.0000 14.500,1.0841,0.06718,0.06020,0.0021,0.0255,1.0000 14.750,1.0819,0.07057,0.06366,0.0019,0.0240,1.0000 15.000,1.0814,0.07398,0.06729,0.0019,0.0226,1.0000 15.250,1.0783,0.07784,0.07142,0.0014,0.0206,1.0000 15.500,1.0746,0.08177,0.07553,0.0006,0.0195,1.0000 15.750,1.0693,0.08603,0.07993,-0.0005,0.0186,1.0000 16.000,1.0623,0.09061,0.08462,-0.0019,0.0178,1.0000 16.250,1.0551,0.09543,0.08958,-0.0033,0.0173,1.0000 16.500,1.0442,0.10126,0.09572,-0.0056,0.0168,1.0000 16.750,1.0315,0.10767,0.10241,-0.0085,0.0163,1.0000 17.000,1.0170,0.11467,0.10966,-0.0120,0.0160,1.0000 17.250,1.0021,0.12212,0.11733,-0.0162,0.0158,1.0000 17.500,0.9857,0.13031,0.12572,-0.0210,0.0159,1.0000 17.750,0.9670,0.13958,0.13514,-0.0266,0.0160,1.0000 18.000,0.9451,0.15032,0.14604,-0.0332,0.0163,1.0000