Xfoil polar. Reynolds number fixed. Mach number fixed Polar key,xf-ah81k144-il-500000 Airfoil,ah81k144-il Reynolds number,500000 Ncrit,9 Mach,0 Max Cl/Cd,129.4 Max Cl/Cd alpha,6.75 Url,http://airfoiltools.com/polar/csv?polar=xf-ah81k144-il-500000 Alpha,Cl,Cd,Cdp,Cm,Top_Xtr,Bot_Xtr -11.250,-0.1493,0.09128,0.08777,-0.1095,0.7645,0.0250 -11.000,-0.1473,0.08691,0.08342,-0.1121,0.7636,0.0251 -10.750,-0.1563,0.08132,0.07786,-0.1141,0.7628,0.0258 -10.500,-0.1497,0.07887,0.07541,-0.1152,0.7619,0.0263 -10.250,-0.1456,0.07565,0.07218,-0.1172,0.7609,0.0266 -10.000,-0.1383,0.07334,0.06987,-0.1186,0.7598,0.0278 -9.750,-0.1449,0.06819,0.06476,-0.1219,0.7587,0.0282 -9.500,-0.1804,0.05658,0.05322,-0.1319,0.7572,0.0270 -9.250,-0.3741,0.03377,0.02915,-0.1194,0.7543,0.0153 -9.000,-0.3773,0.03123,0.02632,-0.1159,0.7529,0.0152 -8.750,-0.3729,0.02916,0.02398,-0.1133,0.7516,0.0152 -8.500,-0.3688,0.02651,0.02099,-0.1104,0.7503,0.0153 -8.250,-0.3552,0.02496,0.01920,-0.1086,0.7491,0.0153 -8.000,-0.3428,0.02268,0.01664,-0.1067,0.7479,0.0156 -7.750,-0.3246,0.02133,0.01512,-0.1055,0.7468,0.0159 -7.500,-0.3043,0.02033,0.01397,-0.1045,0.7457,0.0161 -7.250,-0.2829,0.01979,0.01335,-0.1038,0.7447,0.0169 -7.000,-0.2616,0.01899,0.01248,-0.1028,0.7436,0.0175 -6.750,-0.2393,0.01843,0.01184,-0.1021,0.7424,0.0183 -6.500,-0.2172,0.01770,0.01100,-0.1012,0.7410,0.0190 -6.250,-0.1942,0.01715,0.01036,-0.1004,0.7395,0.0195 -6.000,-0.1753,0.01605,0.00921,-0.0991,0.7380,0.0206 -5.750,-0.1527,0.01559,0.00872,-0.0983,0.7367,0.0218 -5.500,-0.1293,0.01522,0.00831,-0.0977,0.7355,0.0234 -5.250,-0.1058,0.01483,0.00786,-0.0970,0.7344,0.0256 -5.000,-0.0829,0.01437,0.00739,-0.0962,0.7332,0.0290 -4.750,-0.0593,0.01397,0.00695,-0.0955,0.7321,0.0343 -4.500,-0.0355,0.01363,0.00660,-0.0949,0.7311,0.0440 -4.250,-0.0116,0.01338,0.00640,-0.0943,0.7300,0.0595 -4.000,0.0119,0.01320,0.00629,-0.0937,0.7288,0.0782 -3.750,0.0350,0.01297,0.00619,-0.0931,0.7272,0.1029 -3.500,0.0584,0.01276,0.00610,-0.0925,0.7254,0.1334 -3.250,0.0821,0.01255,0.00601,-0.0920,0.7237,0.1673 -3.000,0.1051,0.01228,0.00593,-0.0913,0.7223,0.2198 -2.750,0.1273,0.01194,0.00584,-0.0905,0.7209,0.2913 -2.500,0.1480,0.01150,0.00572,-0.0895,0.7195,0.3869 -2.250,0.1669,0.01101,0.00562,-0.0879,0.7182,0.5021 -2.000,0.1828,0.01051,0.00555,-0.0856,0.7170,0.6330 -1.750,0.2005,0.01026,0.00571,-0.0832,0.7159,0.7529 -1.500,0.2243,0.01043,0.00592,-0.0822,0.7147,0.8007 -1.250,0.2460,0.01058,0.00610,-0.0809,0.7125,0.8235 -1.000,0.2688,0.01074,0.00627,-0.0798,0.7104,0.8408 -0.750,0.2931,0.01083,0.00634,-0.0790,0.7084,0.8534 -0.500,0.3173,0.01090,0.00639,-0.0781,0.7067,0.8657 -0.250,0.3442,0.01092,0.00639,-0.0778,0.7051,0.8750 0.000,0.3707,0.01092,0.00636,-0.0774,0.7038,0.8837 0.250,0.3972,0.01092,0.00633,-0.0770,0.7026,0.8921 0.500,0.4249,0.01091,0.00629,-0.0769,0.7015,0.8991 0.750,0.4507,0.01098,0.00633,-0.0764,0.7002,0.9081 1.000,0.4720,0.01105,0.00647,-0.0751,0.6973,0.9174 1.250,0.4948,0.01106,0.00651,-0.0740,0.6947,0.9287 1.500,0.5188,0.01100,0.00647,-0.0731,0.6925,0.9395 1.750,0.5515,0.01093,0.00639,-0.0742,0.6908,0.9452 2.000,0.5811,0.01084,0.00628,-0.0747,0.6893,0.9503 2.250,0.6133,0.01073,0.00616,-0.0757,0.6879,0.9546 2.500,0.6499,0.01067,0.00607,-0.0777,0.6866,0.9575 2.750,0.6813,0.01072,0.00614,-0.0788,0.6843,0.9610 3.000,0.7075,0.01077,0.00626,-0.0788,0.6810,0.9654 3.250,0.7418,0.01075,0.00626,-0.0805,0.6785,0.9675 3.500,0.7780,0.01068,0.00619,-0.0826,0.6763,0.9691 3.750,0.8141,0.01057,0.00610,-0.0846,0.6745,0.9706 4.000,0.8504,0.01046,0.00597,-0.0865,0.6727,0.9720 4.250,0.8838,0.01044,0.00599,-0.0880,0.6698,0.9739 4.500,0.9142,0.01046,0.00610,-0.0890,0.6658,0.9767 4.750,0.9478,0.01036,0.00603,-0.0905,0.6625,0.9784 5.000,0.9843,0.01024,0.00593,-0.0925,0.6600,0.9794 5.250,1.0208,0.01011,0.00580,-0.0946,0.6576,0.9804 5.500,1.0516,0.01013,0.00595,-0.0957,0.6521,0.9827 5.750,1.0854,0.00984,0.00569,-0.0970,0.6461,0.9845 6.000,1.1163,0.00955,0.00544,-0.0978,0.6352,0.9877 6.250,1.1495,0.00925,0.00516,-0.0990,0.6181,0.9899 6.500,1.1803,0.00919,0.00509,-0.1000,0.5986,0.9930 6.750,1.2073,0.00933,0.00522,-0.1003,0.5765,0.9999 7.000,1.2125,0.00950,0.00534,-0.0961,0.5573,1.0000 7.250,1.2209,0.00985,0.00559,-0.0927,0.5299,1.0000 7.500,1.2255,0.01049,0.00606,-0.0888,0.4919,1.0000 7.750,1.2231,0.01142,0.00678,-0.0838,0.4514,1.0000 8.000,1.2152,0.01263,0.00778,-0.0783,0.4103,1.0000 8.250,1.2077,0.01443,0.00937,-0.0744,0.3669,1.0000 8.500,1.2008,0.01680,0.01150,-0.0716,0.3191,1.0000 8.750,1.1862,0.01963,0.01396,-0.0680,0.2559,1.0000 9.000,1.1774,0.02205,0.01606,-0.0649,0.2015,1.0000 9.250,1.1651,0.02472,0.01833,-0.0614,0.1375,1.0000 9.500,1.1566,0.02718,0.02046,-0.0584,0.0837,1.0000 9.750,1.1545,0.02927,0.02232,-0.0561,0.0512,1.0000 10.000,1.1585,0.03099,0.02396,-0.0543,0.0383,1.0000 10.250,1.1672,0.03238,0.02537,-0.0530,0.0326,1.0000 10.500,1.1722,0.03412,0.02712,-0.0514,0.0287,1.0000 10.750,1.1843,0.03534,0.02840,-0.0505,0.0271,1.0000 11.000,1.1944,0.03676,0.02988,-0.0496,0.0250,1.0000 11.250,1.2016,0.03842,0.03158,-0.0484,0.0235,1.0000 11.500,1.2015,0.04077,0.03399,-0.0467,0.0219,1.0000 11.750,1.2140,0.04208,0.03536,-0.0461,0.0208,1.0000 12.000,1.2215,0.04382,0.03717,-0.0451,0.0195,1.0000 12.250,1.2308,0.04542,0.03881,-0.0443,0.0184,1.0000 12.500,1.2330,0.04769,0.04112,-0.0431,0.0175,1.0000 12.750,1.2284,0.05060,0.04411,-0.0413,0.0167,1.0000 13.000,1.2373,0.05230,0.04590,-0.0406,0.0164,1.0000 13.250,1.2457,0.05407,0.04774,-0.0399,0.0160,1.0000 13.500,1.2535,0.05593,0.04968,-0.0392,0.0153,1.0000 13.750,1.2620,0.05775,0.05157,-0.0386,0.0146,1.0000 14.000,1.2707,0.05961,0.05346,-0.0383,0.0139,1.0000 14.250,1.2761,0.06172,0.05563,-0.0375,0.0135,1.0000 14.500,1.2811,0.06381,0.05776,-0.0366,0.0132,1.0000 14.750,1.2842,0.06572,0.05973,-0.0346,0.0126,1.0000 15.000,1.2915,0.06788,0.06202,-0.0344,0.0123,1.0000 15.250,1.2987,0.06988,0.06414,-0.0337,0.0120,1.0000 15.500,1.3052,0.07207,0.06643,-0.0334,0.0116,1.0000 15.750,1.3114,0.07418,0.06866,-0.0326,0.0114,1.0000 16.000,1.3167,0.07646,0.07105,-0.0321,0.0111,1.0000 16.250,1.3211,0.07891,0.07361,-0.0316,0.0108,1.0000 16.500,1.3236,0.08173,0.07653,-0.0319,0.0104,1.0000 16.750,1.3266,0.08442,0.07932,-0.0316,0.0103,1.0000 17.000,1.3274,0.08737,0.08241,-0.0313,0.0102,1.0000 17.250,1.3289,0.09037,0.08547,-0.0319,0.0099,1.0000 17.500,1.3280,0.09361,0.08882,-0.0317,0.0097,1.0000 17.750,1.3204,0.09761,0.09299,-0.0309,0.0093,1.0000 18.000,1.3102,0.10256,0.09816,-0.0317,0.0092,1.0000 18.250,1.3036,0.10712,0.10289,-0.0331,0.0092,1.0000 18.500,1.2915,0.11257,0.10855,-0.0344,0.0092,1.0000 18.750,1.2844,0.11766,0.11380,-0.0368,0.0090,1.0000 19.000,1.2711,0.12376,0.12012,-0.0391,0.0089,1.0000 19.250,1.2565,0.13036,0.12693,-0.0420,0.0088,1.0000