Xfoil polar. Reynolds number fixed. Mach number fixed Polar key,xf-s821-nr-100000-n5 Airfoil,s821-nr Reynolds number,100000 Ncrit,5 Mach,0 Max Cl/Cd,37.3966 Max Cl/Cd alpha,8.25 Url,http://airfoiltools.com/polar/csv?polar=xf-s821-nr-100000-n5 Alpha,Cl,Cd,Cdp,Cm,Top_Xtr,Bot_Xtr -6.000,-0.0279,0.10296,0.09557,-0.0518,0.9504,0.2139 -5.750,-0.0197,0.09904,0.09161,-0.0554,0.9441,0.2167 -5.500,-0.0379,0.09315,0.08566,-0.0581,0.9319,0.2195 -5.250,-0.0084,0.09144,0.08399,-0.0604,0.9260,0.2202 -5.000,0.0091,0.09005,0.08267,-0.0603,0.9129,0.2209 -4.750,0.0288,0.08821,0.08087,-0.0614,0.9028,0.2218 -4.250,0.0667,0.08434,0.07706,-0.0638,0.8816,0.2248 -3.750,0.0868,0.07754,0.07022,-0.0687,0.8615,0.2296 -3.250,0.1052,0.06954,0.06213,-0.0753,0.8412,0.2340 -2.250,0.1525,0.05494,0.04727,-0.0895,0.7934,0.2457 -2.000,-0.0591,0.03189,0.02310,-0.0989,0.7681,0.2622 -1.750,-0.0226,0.03162,0.02289,-0.1002,0.7584,0.2634 -1.500,0.0069,0.03134,0.02266,-0.1006,0.7467,0.2647 -1.250,0.0437,0.03087,0.02220,-0.1025,0.7372,0.2664 -1.000,0.0671,0.03021,0.02152,-0.1030,0.7247,0.2685 -0.750,0.1020,0.02906,0.02023,-0.1061,0.7151,0.2716 -0.500,0.1237,0.02771,0.01870,-0.1077,0.7029,0.2749 -0.250,0.1603,0.02658,0.01734,-0.1110,0.6938,0.2779 0.000,0.1831,0.02646,0.01733,-0.1100,0.6819,0.2792 0.250,0.2150,0.02628,0.01718,-0.1106,0.6721,0.2809 0.500,0.2411,0.02610,0.01704,-0.1105,0.6616,0.2829 0.750,0.2699,0.02582,0.01675,-0.1110,0.6519,0.2852 1.000,0.3016,0.02544,0.01630,-0.1121,0.6430,0.2884 1.250,0.3288,0.02496,0.01572,-0.1129,0.6323,0.2920 1.500,0.3622,0.02461,0.01528,-0.1141,0.6238,0.2951 1.750,0.3860,0.02464,0.01544,-0.1133,0.6141,0.2972 2.000,0.4137,0.02461,0.01548,-0.1132,0.6052,0.2996 2.250,0.4446,0.02452,0.01537,-0.1137,0.5973,0.3027 2.500,0.4700,0.02437,0.01526,-0.1135,0.5876,0.3059 2.750,0.5023,0.02411,0.01488,-0.1145,0.5795,0.3100 3.000,0.5306,0.02404,0.01484,-0.1147,0.5714,0.3131 3.250,0.5553,0.02413,0.01505,-0.1139,0.5626,0.3158 3.500,0.5854,0.02418,0.01512,-0.1141,0.5550,0.3194 3.750,0.6113,0.02422,0.01522,-0.1138,0.5465,0.3234 4.000,0.6395,0.02415,0.01512,-0.1139,0.5376,0.3283 4.250,0.6704,0.02414,0.01508,-0.1143,0.5297,0.3321 4.500,0.6913,0.02427,0.01538,-0.1129,0.5196,0.3351 4.750,0.7187,0.02433,0.01545,-0.1125,0.5106,0.3390 5.000,0.7432,0.02441,0.01558,-0.1118,0.5009,0.3436 5.250,0.7699,0.02441,0.01552,-0.1116,0.4907,0.3491 5.500,0.7940,0.02453,0.01573,-0.1107,0.4811,0.3528 5.750,0.8153,0.02468,0.01601,-0.1093,0.4706,0.3568 6.000,0.8407,0.02480,0.01612,-0.1086,0.4609,0.3618 6.250,0.8620,0.02492,0.01629,-0.1074,0.4497,0.3673 6.500,0.8861,0.02503,0.01639,-0.1065,0.4394,0.3721 6.750,0.9036,0.02525,0.01676,-0.1046,0.4277,0.3761 7.000,0.9246,0.02544,0.01698,-0.1031,0.4169,0.3813 7.250,0.9420,0.02563,0.01722,-0.1013,0.4048,0.3869 7.500,0.9599,0.02583,0.01743,-0.0995,0.3931,0.3923 7.750,0.9748,0.02610,0.01778,-0.0972,0.3808,0.3965 8.000,0.9889,0.02646,0.01824,-0.0949,0.3678,0.4015 8.250,1.0041,0.02685,0.01863,-0.0928,0.3544,0.4073 8.500,1.0187,0.02731,0.01905,-0.0909,0.3395,0.4134 8.750,1.0302,0.02785,0.01971,-0.0884,0.3238,0.4176 9.000,1.0409,0.02849,0.02040,-0.0860,0.3072,0.4226 9.250,1.0510,0.02923,0.02113,-0.0836,0.2896,0.4283 9.500,1.0601,0.03009,0.02192,-0.0814,0.2714,0.4343 9.750,1.0667,0.03109,0.02290,-0.0790,0.2537,0.4389 10.000,1.0717,0.03225,0.02406,-0.0766,0.2371,0.4435 10.250,1.0760,0.03358,0.02535,-0.0744,0.2217,0.4488 10.500,1.0800,0.03506,0.02678,-0.0724,0.2078,0.4547 11.000,1.0872,0.03833,0.03006,-0.0690,0.1834,0.4648 11.250,1.0908,0.04012,0.03189,-0.0676,0.1730,0.4700 11.500,1.0932,0.04212,0.03388,-0.0664,0.1639,0.4758 11.750,1.0976,0.04413,0.03589,-0.0655,0.1549,0.4823 12.000,1.1009,0.04623,0.03806,-0.0647,0.1471,0.4873 12.250,1.1029,0.04853,0.04040,-0.0639,0.1401,0.4927 12.500,1.1073,0.05077,0.04271,-0.0635,0.1331,0.4991 12.750,1.1093,0.05334,0.04525,-0.0632,0.1273,0.5056 13.000,1.1139,0.05571,0.04774,-0.0630,0.1210,0.5113 13.250,1.1153,0.05843,0.05049,-0.0629,0.1161,0.5171 13.500,1.1202,0.06097,0.05314,-0.0629,0.1106,0.5242 13.750,1.1223,0.06389,0.05604,-0.0633,0.1061,0.5314 14.000,1.1262,0.06660,0.05890,-0.0634,0.1013,0.5373 14.250,1.1283,0.06959,0.06193,-0.0638,0.0973,0.5441 14.500,1.1320,0.07255,0.06495,-0.0643,0.0932,0.5521 14.750,1.1343,0.07566,0.06815,-0.0649,0.0894,0.5588 15.000,1.1367,0.07880,0.07135,-0.0655,0.0861,0.5662 15.250,1.1395,0.08204,0.07469,-0.0663,0.0824,0.5746 15.500,1.1411,0.08537,0.07805,-0.0672,0.0797,0.5819 15.750,1.1438,0.08871,0.08153,-0.0680,0.0764,0.5901 16.000,1.1461,0.09217,0.08504,-0.0691,0.0736,0.5993 16.250,1.1480,0.09561,0.08857,-0.0702,0.0711,0.6074 16.500,1.1495,0.09926,0.09235,-0.0714,0.0684,0.6169 16.750,1.1512,0.10285,0.09600,-0.0728,0.0661,0.6264 17.000,1.1526,0.10657,0.09984,-0.0742,0.0639,0.6363 17.250,1.1538,0.11038,0.10378,-0.0758,0.0616,0.6469 17.500,1.1554,0.11403,0.10749,-0.0773,0.0597,0.6582 17.750,1.1563,0.11790,0.11148,-0.0790,0.0578,0.6702 18.000,1.1554,0.12213,0.11588,-0.0810,0.0559,0.6828 18.250,1.1563,0.12593,0.11976,-0.0829,0.0543,0.6970 18.500,1.1581,0.12958,0.12348,-0.0846,0.0528,0.7136 18.750,1.1539,0.13447,0.12861,-0.0873,0.0511,0.7298