Xfoil polar. Reynolds number fixed. Mach number fixed Polar key,xf-a18sm-il-200000-n5 Airfoil,a18sm-il Reynolds number,200000 Ncrit,5 Mach,0 Max Cl/Cd,81.6559 Max Cl/Cd alpha,3.75 Url,http://airfoiltools.com/polar/csv?polar=xf-a18sm-il-200000-n5 Alpha,Cl,Cd,Cdp,Cm,Top_Xtr,Bot_Xtr -8.250,-0.4306,0.08633,0.08275,-0.0309,1.0000,0.0160 -8.000,-0.4392,0.08343,0.07992,-0.0301,1.0000,0.0160 -7.750,-0.4443,0.07981,0.07636,-0.0308,1.0000,0.0160 -7.500,-0.4480,0.07576,0.07237,-0.0325,1.0000,0.0159 -7.250,-0.4497,0.07101,0.06765,-0.0354,1.0000,0.0160 -6.750,-0.4202,0.03554,0.03142,-0.0740,0.9998,0.0164 -6.500,-0.3835,0.03104,0.02649,-0.0806,0.9978,0.0174 -6.250,-0.3457,0.02603,0.02075,-0.0864,0.9961,0.0182 -6.000,-0.3092,0.02282,0.01694,-0.0900,0.9945,0.0191 -5.750,-0.2744,0.02057,0.01419,-0.0924,0.9925,0.0204 -5.500,-0.2397,0.01892,0.01212,-0.0944,0.9900,0.0218 -5.250,-0.2049,0.01760,0.01059,-0.0964,0.9876,0.0240 -5.000,-0.1694,0.01699,0.00987,-0.0983,0.9851,0.0272 -4.750,-0.1333,0.01612,0.00878,-0.1002,0.9831,0.0301 -4.500,-0.1008,0.01530,0.00786,-0.1015,0.9790,0.0340 -4.250,-0.0663,0.01479,0.00725,-0.1030,0.9755,0.0392 -4.000,-0.0301,0.01412,0.00651,-0.1050,0.9728,0.0447 -3.750,0.0070,0.01370,0.00601,-0.1070,0.9705,0.0533 -3.500,0.0382,0.01327,0.00554,-0.1078,0.9647,0.0627 -3.250,0.0735,0.01290,0.00517,-0.1094,0.9609,0.0766 -3.000,0.1102,0.01255,0.00482,-0.1114,0.9580,0.0924 -2.750,0.1419,0.01226,0.00457,-0.1123,0.9522,0.1104 -2.500,0.1754,0.01199,0.00433,-0.1134,0.9471,0.1296 -2.250,0.2109,0.01172,0.00409,-0.1151,0.9433,0.1513 -2.000,0.2404,0.01151,0.00393,-0.1154,0.9351,0.1726 -1.750,0.2747,0.01126,0.00373,-0.1167,0.9300,0.1982 -1.500,0.3046,0.01106,0.00361,-0.1171,0.9213,0.2259 -1.250,0.3381,0.01082,0.00346,-0.1182,0.9151,0.2595 -1.000,0.3677,0.01063,0.00337,-0.1185,0.9052,0.2965 -0.750,0.3984,0.01043,0.00329,-0.1190,0.8959,0.3397 -0.500,0.4296,0.01020,0.00320,-0.1196,0.8867,0.3898 -0.250,0.4588,0.00998,0.00315,-0.1197,0.8753,0.4497 0.000,0.4872,0.00970,0.00313,-0.1197,0.8633,0.5365 0.250,0.5117,0.00911,0.00313,-0.1186,0.8507,0.7334 0.500,0.5372,0.00867,0.00294,-0.1174,0.8369,1.0000 0.750,0.5659,0.00872,0.00291,-0.1173,0.8227,1.0000 1.000,0.5943,0.00879,0.00289,-0.1171,0.8081,1.0000 1.250,0.6224,0.00887,0.00290,-0.1170,0.7928,1.0000 1.500,0.6503,0.00898,0.00295,-0.1167,0.7773,1.0000 1.750,0.6780,0.00910,0.00300,-0.1165,0.7614,1.0000 2.000,0.7055,0.00924,0.00308,-0.1162,0.7454,1.0000 2.250,0.7323,0.00940,0.00316,-0.1157,0.7233,1.0000 2.500,0.7581,0.00961,0.00325,-0.1150,0.6927,1.0000 2.750,0.7836,0.00987,0.00334,-0.1143,0.6606,1.0000 3.000,0.8097,0.01010,0.00349,-0.1137,0.6355,1.0000 3.250,0.8359,0.01033,0.00367,-0.1133,0.6134,1.0000 3.500,0.8619,0.01059,0.00389,-0.1127,0.5901,1.0000 3.750,0.8876,0.01087,0.00410,-0.1122,0.5646,1.0000 4.000,0.9126,0.01118,0.00434,-0.1115,0.5344,1.0000 4.250,0.9367,0.01158,0.00460,-0.1107,0.4941,1.0000 4.500,0.9592,0.01211,0.00489,-0.1096,0.4362,1.0000 4.750,0.9796,0.01287,0.00530,-0.1083,0.3533,1.0000 5.000,0.9978,0.01399,0.00589,-0.1069,0.2535,1.0000 5.250,1.0177,0.01500,0.00654,-0.1058,0.1863,1.0000 5.500,1.0390,0.01584,0.00715,-0.1049,0.1404,1.0000 5.750,1.0606,0.01664,0.00780,-0.1040,0.1024,1.0000 6.000,1.0814,0.01752,0.00849,-0.1029,0.0695,1.0000 6.250,1.1025,0.01835,0.00923,-0.1019,0.0496,1.0000 6.500,1.1237,0.01916,0.01002,-0.1008,0.0387,1.0000 6.750,1.1446,0.01997,0.01087,-0.0996,0.0324,1.0000 7.000,1.1651,0.02082,0.01179,-0.0984,0.0283,1.0000 7.250,1.1833,0.02192,0.01299,-0.0968,0.0255,1.0000 7.500,1.2029,0.02281,0.01401,-0.0954,0.0234,1.0000 7.750,1.2221,0.02369,0.01497,-0.0940,0.0211,1.0000 8.000,1.2393,0.02478,0.01612,-0.0924,0.0194,1.0000 8.250,1.2533,0.02631,0.01773,-0.0903,0.0183,1.0000 8.500,1.2702,0.02752,0.01909,-0.0885,0.0176,1.0000 8.750,1.2864,0.02888,0.02064,-0.0867,0.0168,1.0000 9.000,1.3023,0.03036,0.02228,-0.0848,0.0161,1.0000 9.250,1.3179,0.03179,0.02385,-0.0831,0.0152,1.0000 9.500,1.3328,0.03305,0.02522,-0.0813,0.0143,1.0000 9.750,1.3456,0.03438,0.02665,-0.0794,0.0136,1.0000 10.000,1.3550,0.03680,0.02920,-0.0771,0.0128,1.0000 10.250,1.3659,0.03866,0.03132,-0.0748,0.0126,1.0000 10.500,1.3730,0.04072,0.03367,-0.0720,0.0122,1.0000 10.750,1.3769,0.04303,0.03631,-0.0690,0.0119,1.0000 11.000,1.3775,0.04560,0.03918,-0.0658,0.0117,1.0000 11.250,1.3746,0.04841,0.04231,-0.0626,0.0114,1.0000 11.500,1.3683,0.05150,0.04571,-0.0595,0.0112,1.0000 11.750,1.3593,0.05486,0.04936,-0.0567,0.0111,1.0000 12.000,1.3482,0.05848,0.05327,-0.0545,0.0109,1.0000 12.250,1.3351,0.06250,0.05757,-0.0531,0.0107,1.0000 12.500,1.3196,0.06710,0.06243,-0.0524,0.0106,1.0000 12.750,1.3032,0.07215,0.06773,-0.0527,0.0105,1.0000 13.000,1.2838,0.07815,0.07397,-0.0541,0.0105,1.0000 13.250,1.2615,0.08523,0.08130,-0.0568,0.0105,1.0000 13.500,1.2363,0.09364,0.08995,-0.0611,0.0106,1.0000 13.750,1.2077,0.10383,0.10036,-0.0671,0.0108,1.0000 14.000,1.1772,0.11603,0.11277,-0.0751,0.0112,1.0000 14.250,1.1440,0.13147,0.12834,-0.0853,0.0116,1.0000