Xfoil polar. Reynolds number fixed. Mach number fixed Polar key,xf-s820-nr-100000 Airfoil,s820-nr Reynolds number,100000 Ncrit,9 Mach,0 Max Cl/Cd,39.3094 Max Cl/Cd alpha,9 Url,http://airfoiltools.com/polar/csv?polar=xf-s820-nr-100000 Alpha,Cl,Cd,Cdp,Cm,Top_Xtr,Bot_Xtr -10.250,-0.3624,0.10582,0.10192,-0.0629,0.9763,0.1143 -10.000,-0.3150,0.10381,0.09986,-0.0592,0.9740,0.1227 -9.750,-0.4460,0.10501,0.10091,-0.0533,0.9877,0.1089 -9.500,-0.4667,0.09778,0.09371,-0.0624,0.9837,0.1126 -9.250,-0.4996,0.09283,0.08874,-0.0663,0.9777,0.1132 -9.000,-0.5284,0.08918,0.08502,-0.0687,0.9728,0.1134 -8.750,-0.4945,0.08487,0.08079,-0.0692,0.9717,0.1229 -8.500,-0.5280,0.08237,0.07827,-0.0672,0.9649,0.1230 -8.250,-0.5538,0.07975,0.07555,-0.0663,0.9597,0.1246 -8.000,-0.5859,0.07799,0.07366,-0.0625,0.9544,0.1264 -7.750,-0.6321,0.07816,0.07334,-0.0578,0.9479,0.1287 -5.000,-0.5250,0.04462,0.03633,-0.0371,0.9253,0.0574 -4.750,-0.5045,0.04203,0.03344,-0.0356,0.9243,0.0508 -4.500,-0.4831,0.04156,0.03240,-0.0336,0.9228,0.0475 -4.250,-0.4592,0.03976,0.03039,-0.0329,0.9209,0.0477 -4.000,-0.6153,0.03993,0.03152,-0.0049,1.0000,0.0543 -3.750,-0.5910,0.03858,0.02950,-0.0029,1.0000,0.0478 -3.500,-0.5698,0.03700,0.02772,-0.0019,1.0000,0.0480 -3.250,-0.5482,0.03576,0.02630,-0.0008,1.0000,0.0478 -3.000,-0.5265,0.03490,0.02526,0.0003,1.0000,0.0472 -2.750,-0.5049,0.03375,0.02404,0.0014,1.0000,0.0467 -2.500,-0.4839,0.03276,0.02303,0.0025,1.0000,0.0465 -2.250,-0.4632,0.03195,0.02223,0.0037,1.0000,0.0471 -2.000,-0.4430,0.03089,0.02128,0.0046,0.9997,0.0488 -1.750,-0.4158,0.03059,0.02096,0.0039,0.9972,0.0522 -1.500,-0.3858,0.03058,0.02086,0.0027,0.9947,0.0646 -1.250,-0.3600,0.02815,0.02022,0.0011,0.9943,0.4159 -1.000,-0.3731,0.03045,0.02398,0.0151,0.9890,0.7666 -0.750,-0.3789,0.03277,0.02643,0.0268,0.9840,0.8240 -0.500,-0.3908,0.03316,0.02688,0.0379,0.9778,0.8634 -0.250,-0.3813,0.03431,0.02794,0.0437,0.9724,0.8950 0.000,-0.3607,0.03417,0.02758,0.0433,0.9670,0.8997 0.250,-0.3275,0.03484,0.02806,0.0406,0.9604,0.9025 0.500,-0.3022,0.03523,0.02830,0.0394,0.9560,0.9058 0.750,-0.2732,0.03561,0.02853,0.0376,0.9478,0.9097 1.000,-0.2434,0.03652,0.02929,0.0354,0.9433,0.9141 1.250,-0.2177,0.03660,0.02928,0.0342,0.9339,0.9175 1.500,-0.1842,0.03775,0.03033,0.0314,0.9292,0.9213 1.750,-0.1582,0.03790,0.03039,0.0301,0.9188,0.9261 2.000,-0.1328,0.03847,0.03091,0.0289,0.9121,0.9312 2.250,-0.0938,0.03959,0.03196,0.0253,0.9028,0.9357 2.500,-0.0724,0.03976,0.03209,0.0247,0.8926,0.9413 2.750,-0.0332,0.04118,0.03348,0.0209,0.8860,0.9460 3.000,0.0079,0.04216,0.03444,0.0171,0.8733,0.9509 3.250,0.0716,0.04160,0.03379,0.0126,0.8206,0.9536 3.500,0.1293,0.04177,0.03393,0.0080,0.7962,0.9578 3.750,0.1830,0.04239,0.03456,0.0030,0.7858,0.9614 4.000,0.2163,0.04272,0.03494,0.0006,0.7731,0.9671 4.250,0.2532,0.04318,0.03545,-0.0024,0.7611,0.9726 4.500,0.2965,0.04368,0.03602,-0.0062,0.7499,0.9774 4.750,0.3531,0.04398,0.03639,-0.0114,0.7425,0.9822 5.000,0.3927,0.04431,0.03681,-0.0148,0.7298,0.9879 5.250,0.4322,0.04461,0.03723,-0.0180,0.7178,0.9961 5.500,0.4525,0.04439,0.03707,-0.0175,0.7071,1.0000 5.750,0.4893,0.04374,0.03649,-0.0186,0.6996,1.0000 6.000,0.5074,0.04353,0.03635,-0.0178,0.6869,1.0000 6.250,0.5351,0.04329,0.03620,-0.0183,0.6748,1.0000 6.500,0.5698,0.04280,0.03582,-0.0194,0.6637,1.0000 6.750,0.6266,0.04115,0.03436,-0.0222,0.6572,1.0000 7.000,0.6597,0.04034,0.03368,-0.0227,0.6446,1.0000 7.250,0.6958,0.03925,0.03276,-0.0234,0.6324,1.0000 7.500,0.7368,0.03765,0.03134,-0.0241,0.6210,1.0000 7.750,0.7993,0.03423,0.02818,-0.0259,0.6151,1.0000 8.000,0.8365,0.03221,0.02639,-0.0257,0.6017,1.0000 8.250,0.8764,0.02979,0.02419,-0.0254,0.5867,1.0000 8.500,0.8973,0.02888,0.02343,-0.0237,0.5606,1.0000 8.750,0.9258,0.02743,0.02210,-0.0224,0.5215,1.0000 9.000,0.9733,0.02476,0.01889,-0.0215,0.4233,1.0000 9.250,0.9774,0.02598,0.01940,-0.0184,0.3417,1.0000 9.500,0.9777,0.02772,0.02064,-0.0155,0.2861,1.0000 9.750,0.9822,0.02942,0.02196,-0.0134,0.2449,1.0000 10.000,0.9910,0.03098,0.02324,-0.0117,0.2139,1.0000 10.250,1.0030,0.03245,0.02453,-0.0104,0.1885,1.0000 10.500,1.0187,0.03388,0.02577,-0.0095,0.1677,1.0000 10.750,1.0323,0.03534,0.02723,-0.0085,0.1496,1.0000 11.000,1.0469,0.03682,0.02869,-0.0076,0.1336,1.0000 11.250,1.0617,0.03840,0.03025,-0.0067,0.1186,1.0000 11.500,1.0760,0.04006,0.03192,-0.0058,0.1052,1.0000 11.750,1.0905,0.04188,0.03377,-0.0050,0.0927,1.0000 12.000,1.1038,0.04381,0.03576,-0.0041,0.0818,1.0000 12.250,1.1197,0.04591,0.03790,-0.0034,0.0720,1.0000 12.500,1.1319,0.04794,0.04001,-0.0025,0.0644,1.0000 12.750,1.1442,0.05076,0.04312,-0.0014,0.0579,1.0000 13.000,1.1528,0.05287,0.04523,-0.0006,0.0524,1.0000 13.250,1.1607,0.05669,0.04943,0.0006,0.0491,1.0000 13.500,1.1555,0.05983,0.05295,0.0025,0.0464,1.0000 13.750,1.1539,0.06226,0.05550,0.0036,0.0432,1.0000 14.000,1.1590,0.06684,0.06013,0.0040,0.0404,1.0000 14.250,1.1432,0.07077,0.06443,0.0055,0.0400,1.0000 14.500,1.1243,0.07505,0.06907,0.0066,0.0396,1.0000 14.750,1.1046,0.07984,0.07417,0.0070,0.0394,1.0000 15.000,1.0843,0.08484,0.07946,0.0068,0.0393,1.0000 15.250,1.0590,0.09067,0.08557,0.0059,0.0390,1.0000 15.500,1.0389,0.09668,0.09179,0.0043,0.0395,1.0000 15.750,1.0165,0.10330,0.09861,0.0019,0.0397,1.0000 16.000,0.9919,0.11077,0.10626,-0.0015,0.0399,1.0000 16.250,0.9734,0.11820,0.11381,-0.0050,0.0404,1.0000