Xfoil polar. Reynolds number fixed. Mach number fixed Polar key,xf-a18sm-il-500000-n5 Airfoil,a18sm-il Reynolds number,500000 Ncrit,5 Mach,0 Max Cl/Cd,102.74 Max Cl/Cd alpha,3 Url,http://airfoiltools.com/polar/csv?polar=xf-a18sm-il-500000-n5 Alpha,Cl,Cd,Cdp,Cm,Top_Xtr,Bot_Xtr -9.250,-0.4281,0.09677,0.09439,-0.0283,1.0000,0.0090 -9.000,-0.4312,0.09251,0.09016,-0.0294,1.0000,0.0089 -8.750,-0.5702,0.03000,0.02697,-0.0861,0.9968,0.0081 -8.500,-0.5377,0.02433,0.02067,-0.0931,0.9955,0.0084 -8.250,-0.5055,0.02203,0.01806,-0.0962,0.9944,0.0087 -8.000,-0.4745,0.02038,0.01616,-0.0983,0.9929,0.0090 -7.750,-0.4433,0.01891,0.01444,-0.1001,0.9911,0.0094 -7.500,-0.4116,0.01757,0.01285,-0.1018,0.9894,0.0098 -7.250,-0.3792,0.01638,0.01143,-0.1035,0.9877,0.0102 -7.000,-0.3463,0.01534,0.01016,-0.1051,0.9862,0.0107 -6.750,-0.3129,0.01447,0.00910,-0.1067,0.9849,0.0111 -6.500,-0.2790,0.01356,0.00804,-0.1084,0.9838,0.0119 -6.250,-0.2477,0.01298,0.00738,-0.1095,0.9811,0.0130 -6.000,-0.2159,0.01246,0.00677,-0.1105,0.9783,0.0140 -5.750,-0.1828,0.01192,0.00611,-0.1118,0.9759,0.0152 -5.500,-0.1494,0.01143,0.00552,-0.1131,0.9738,0.0163 -5.250,-0.1158,0.01087,0.00491,-0.1145,0.9717,0.0186 -5.000,-0.0847,0.01053,0.00451,-0.1152,0.9680,0.0207 -4.750,-0.0542,0.01023,0.00414,-0.1158,0.9631,0.0230 -4.500,-0.0222,0.00986,0.00377,-0.1167,0.9594,0.0272 -4.250,0.0091,0.00962,0.00347,-0.1174,0.9551,0.0305 -4.000,0.0386,0.00931,0.00317,-0.1178,0.9490,0.0367 -3.750,0.0698,0.00908,0.00289,-0.1185,0.9440,0.0419 -3.500,0.0989,0.00885,0.00268,-0.1187,0.9370,0.0508 -3.250,0.1289,0.00863,0.00247,-0.1191,0.9304,0.0613 -3.000,0.1577,0.00846,0.00231,-0.1192,0.9221,0.0722 -2.750,0.1868,0.00829,0.00214,-0.1194,0.9139,0.0859 -2.500,0.2153,0.00815,0.00201,-0.1194,0.9040,0.0999 -2.250,0.2437,0.00802,0.00190,-0.1194,0.8935,0.1155 -2.000,0.2720,0.00792,0.00179,-0.1194,0.8824,0.1305 -1.750,0.3002,0.00783,0.00170,-0.1193,0.8703,0.1477 -1.500,0.3282,0.00775,0.00163,-0.1192,0.8575,0.1647 -1.250,0.3562,0.00768,0.00157,-0.1192,0.8436,0.1858 -1.000,0.3841,0.00763,0.00152,-0.1191,0.8293,0.2079 -0.750,0.4120,0.00759,0.00150,-0.1190,0.8144,0.2341 -0.500,0.4398,0.00755,0.00148,-0.1189,0.7991,0.2614 -0.250,0.4676,0.00752,0.00149,-0.1188,0.7834,0.2947 0.000,0.4954,0.00750,0.00150,-0.1187,0.7675,0.3285 0.250,0.5231,0.00749,0.00154,-0.1187,0.7514,0.3685 0.500,0.5508,0.00747,0.00158,-0.1186,0.7352,0.4119 0.750,0.5784,0.00744,0.00164,-0.1186,0.7192,0.4669 1.000,0.6059,0.00735,0.00172,-0.1185,0.7033,0.5491 1.250,0.6319,0.00700,0.00185,-0.1182,0.6855,0.7374 1.500,0.6529,0.00663,0.00180,-0.1162,0.6582,1.0000 1.750,0.6792,0.00688,0.00187,-0.1158,0.6229,1.0000 2.000,0.7057,0.00711,0.00196,-0.1155,0.5932,1.0000 2.250,0.7327,0.00732,0.00206,-0.1153,0.5710,1.0000 2.500,0.7599,0.00750,0.00219,-0.1151,0.5511,1.0000 2.750,0.7869,0.00771,0.00231,-0.1149,0.5308,1.0000 3.000,0.8137,0.00792,0.00245,-0.1147,0.5077,1.0000 3.250,0.8402,0.00818,0.00260,-0.1144,0.4804,1.0000 3.500,0.8659,0.00852,0.00280,-0.1140,0.4418,1.0000 3.750,0.8899,0.00909,0.00306,-0.1134,0.3739,1.0000 4.000,0.9125,0.00987,0.00342,-0.1127,0.2867,1.0000 4.250,0.9353,0.01067,0.00384,-0.1120,0.2121,1.0000 4.500,0.9593,0.01127,0.00422,-0.1114,0.1661,1.0000 4.750,0.9839,0.01176,0.00458,-0.1109,0.1337,1.0000 5.000,1.0081,0.01231,0.00496,-0.1104,0.0993,1.0000 5.250,1.0319,0.01289,0.00537,-0.1098,0.0685,1.0000 5.500,1.0559,0.01342,0.00578,-0.1092,0.0482,1.0000 5.750,1.0802,0.01390,0.00622,-0.1086,0.0363,1.0000 6.000,1.1047,0.01433,0.00665,-0.1081,0.0293,1.0000 6.250,1.1289,0.01478,0.00712,-0.1074,0.0241,1.0000 6.500,1.1526,0.01529,0.00761,-0.1068,0.0199,1.0000 6.750,1.1763,0.01577,0.00813,-0.1060,0.0174,1.0000 7.000,1.1999,0.01626,0.00868,-0.1053,0.0157,1.0000 7.250,1.2226,0.01682,0.00928,-0.1045,0.0142,1.0000 7.500,1.2437,0.01759,0.01010,-0.1033,0.0128,1.0000 7.750,1.2659,0.01817,0.01076,-0.1023,0.0123,1.0000 8.000,1.2876,0.01878,0.01145,-0.1013,0.0116,1.0000 8.250,1.3090,0.01939,0.01214,-0.1003,0.0108,1.0000 8.500,1.3299,0.02002,0.01282,-0.0992,0.0101,1.0000 8.750,1.3494,0.02079,0.01365,-0.0979,0.0095,1.0000 9.000,1.3654,0.02192,0.01487,-0.0960,0.0089,1.0000 9.250,1.3827,0.02286,0.01591,-0.0944,0.0087,1.0000 9.500,1.4000,0.02374,0.01691,-0.0927,0.0084,1.0000 9.750,1.4165,0.02466,0.01794,-0.0910,0.0081,1.0000 10.000,1.4324,0.02558,0.01899,-0.0892,0.0077,1.0000 10.250,1.4476,0.02648,0.01999,-0.0873,0.0073,1.0000 10.500,1.4621,0.02733,0.02092,-0.0854,0.0070,1.0000 10.750,1.4743,0.02824,0.02192,-0.0831,0.0067,1.0000 11.000,1.4832,0.02929,0.02308,-0.0803,0.0064,1.0000 11.250,1.4896,0.03061,0.02450,-0.0773,0.0062,1.0000 11.500,1.4917,0.03238,0.02641,-0.0739,0.0060,1.0000 11.750,1.4932,0.03430,0.02850,-0.0707,0.0059,1.0000 12.000,1.4985,0.03588,0.03024,-0.0682,0.0058,1.0000 12.250,1.5019,0.03769,0.03222,-0.0658,0.0056,1.0000 12.500,1.5035,0.03976,0.03450,-0.0634,0.0055,1.0000 12.750,1.5036,0.04202,0.03695,-0.0612,0.0054,1.0000 13.000,1.5018,0.04462,0.03974,-0.0592,0.0053,1.0000 13.250,1.4981,0.04751,0.04282,-0.0576,0.0052,1.0000 13.500,1.4928,0.05075,0.04627,-0.0563,0.0051,1.0000 13.750,1.4858,0.05438,0.05009,-0.0555,0.0050,1.0000 14.000,1.4768,0.05847,0.05439,-0.0552,0.0049,1.0000 14.250,1.4662,0.06305,0.05917,-0.0555,0.0049,1.0000 14.500,1.4526,0.06832,0.06464,-0.0564,0.0048,1.0000 14.750,1.4379,0.07412,0.07064,-0.0581,0.0048,1.0000 15.000,1.4215,0.08060,0.07731,-0.0605,0.0048,1.0000 15.250,1.4020,0.08805,0.08495,-0.0637,0.0047,1.0000 15.500,1.3807,0.09638,0.09348,-0.0678,0.0048,1.0000 15.750,1.3565,0.10588,0.10317,-0.0729,0.0048,1.0000 16.000,1.3301,0.11654,0.11402,-0.0789,0.0048,1.0000 16.250,1.3011,0.12875,0.12641,-0.0860,0.0049,1.0000 16.500,1.2659,0.14353,0.14138,-0.0946,0.0050,1.0000