Xfoil polar. Reynolds number fixed. Mach number fixed Polar key,xf-e521-il-1000000 Airfoil,e521-il Reynolds number,1000000 Ncrit,9 Mach,0 Max Cl/Cd,70 Max Cl/Cd alpha,7 Url,http://airfoiltools.com/polar/csv?polar=xf-e521-il-1000000 Alpha,Cl,Cd,Cdp,Cm,Top_Xtr,Bot_Xtr -17.750,-1.0606,0.09934,0.09639,-0.0096,1.0000,0.0030 -17.500,-1.0799,0.09144,0.08837,-0.0140,1.0000,0.0030 -17.250,-1.1024,0.08324,0.08001,-0.0185,1.0000,0.0030 -17.000,-1.1178,0.07653,0.07317,-0.0221,1.0000,0.0030 -16.750,-1.1315,0.07038,0.06688,-0.0253,1.0000,0.0030 -16.500,-1.1472,0.06414,0.06050,-0.0285,1.0000,0.0030 -16.250,-1.1588,0.05887,0.05509,-0.0308,1.0000,0.0030 -16.000,-1.1672,0.05435,0.05045,-0.0327,1.0000,0.0030 -15.750,-1.1727,0.05045,0.04644,-0.0340,1.0000,0.0031 -15.500,-1.1801,0.04660,0.04247,-0.0349,1.0000,0.0031 -15.250,-1.1848,0.04332,0.03907,-0.0354,1.0000,0.0031 -15.000,-1.1895,0.04026,0.03590,-0.0355,1.0000,0.0032 -14.750,-1.1900,0.03779,0.03333,-0.0352,1.0000,0.0031 -14.500,-1.1901,0.03547,0.03090,-0.0348,1.0000,0.0032 -14.250,-1.1889,0.03338,0.02872,-0.0341,1.0000,0.0033 -14.000,-1.1870,0.03141,0.02664,-0.0332,1.0000,0.0033 -13.750,-1.1836,0.02967,0.02481,-0.0321,1.0000,0.0033 -13.500,-1.1776,0.02817,0.02322,-0.0310,1.0000,0.0035 -13.250,-1.1699,0.02683,0.02181,-0.0299,1.0000,0.0037 -13.000,-1.1639,0.02542,0.02032,-0.0286,1.0000,0.0037 -12.750,-1.1545,0.02430,0.01912,-0.0274,1.0000,0.0038 -12.500,-1.1509,0.02280,0.01752,-0.0255,1.0000,0.0040 -12.250,-1.1454,0.02146,0.01609,-0.0237,1.0000,0.0043 -12.000,-1.1353,0.02046,0.01504,-0.0221,1.0000,0.0046 -11.750,-1.1133,0.01962,0.01415,-0.0227,0.9567,0.0054 -11.500,-1.0967,0.01896,0.01328,-0.0218,0.9052,0.0056 -11.250,-1.0899,0.01818,0.01235,-0.0191,0.8865,0.0066 -11.000,-1.0788,0.01758,0.01169,-0.0168,0.8757,0.0077 -10.500,-1.0548,0.01649,0.01048,-0.0123,0.8612,0.0103 -10.250,-1.0379,0.01610,0.01003,-0.0108,0.8560,0.0116 -10.000,-1.0203,0.01560,0.00948,-0.0094,0.8515,0.0135 -9.750,-1.0010,0.01514,0.00902,-0.0084,0.8473,0.0153 -9.500,-0.9796,0.01480,0.00863,-0.0076,0.8435,0.0166 -9.250,-0.9602,0.01431,0.00810,-0.0065,0.8400,0.0196 -9.000,-0.9384,0.01393,0.00771,-0.0057,0.8369,0.0219 -8.750,-0.9162,0.01354,0.00730,-0.0050,0.8337,0.0251 -8.500,-0.8942,0.01313,0.00690,-0.0043,0.8306,0.0294 -8.250,-0.8719,0.01273,0.00651,-0.0037,0.8277,0.0358 -8.000,-0.8488,0.01239,0.00617,-0.0031,0.8250,0.0424 -7.750,-0.8259,0.01198,0.00581,-0.0025,0.8224,0.0535 -7.500,-0.8024,0.01159,0.00547,-0.0020,0.8198,0.0646 -7.250,-0.7793,0.01117,0.00514,-0.0015,0.8172,0.0807 -7.000,-0.7554,0.01080,0.00484,-0.0011,0.8147,0.0963 -6.750,-0.7310,0.01047,0.00456,-0.0007,0.8122,0.1115 -6.500,-0.7063,0.01019,0.00431,-0.0004,0.8097,0.1281 -6.250,-0.6814,0.00985,0.00405,-0.0001,0.8076,0.1477 -6.000,-0.6561,0.00953,0.00382,0.0001,0.8052,0.1679 -5.750,-0.6307,0.00923,0.00360,0.0003,0.8027,0.1891 -5.500,-0.6056,0.00890,0.00338,0.0006,0.8002,0.2169 -5.250,-0.5800,0.00861,0.00317,0.0008,0.7980,0.2440 -5.000,-0.5545,0.00833,0.00299,0.0010,0.7954,0.2732 -4.750,-0.5287,0.00802,0.00280,0.0011,0.7932,0.3047 -4.500,-0.5025,0.00773,0.00263,0.0012,0.7905,0.3355 -4.250,-0.4764,0.00744,0.00246,0.0014,0.7877,0.3694 -4.000,-0.4499,0.00719,0.00231,0.0015,0.7849,0.4023 -3.750,-0.4236,0.00694,0.00216,0.0016,0.7822,0.4366 -3.500,-0.3968,0.00671,0.00204,0.0016,0.7793,0.4695 -3.250,-0.3699,0.00646,0.00191,0.0017,0.7763,0.5062 -3.000,-0.3432,0.00620,0.00180,0.0017,0.7730,0.5439 -2.750,-0.3160,0.00601,0.00170,0.0018,0.7698,0.5783 -2.500,-0.2885,0.00589,0.00164,0.0018,0.7667,0.6079 -2.250,-0.2604,0.00577,0.00161,0.0017,0.7634,0.6321 -2.000,-0.2318,0.00570,0.00157,0.0016,0.7597,0.6510 -1.750,-0.2032,0.00565,0.00154,0.0014,0.7560,0.6663 -1.500,-0.1744,0.00564,0.00152,0.0013,0.7525,0.6792 -1.250,-0.1455,0.00562,0.00153,0.0011,0.7488,0.6897 -1.000,-0.1164,0.00559,0.00152,0.0009,0.7445,0.6983 -0.750,-0.0873,0.00559,0.00150,0.0006,0.7403,0.7065 -0.500,-0.0584,0.00559,0.00150,0.0005,0.7358,0.7130 -0.250,-0.0291,0.00558,0.00150,0.0002,0.7305,0.7195 0.000,0.0000,0.00558,0.00148,0.0000,0.7251,0.7251 0.250,0.0291,0.00558,0.00150,-0.0002,0.7196,0.7305 0.500,0.0584,0.00559,0.00150,-0.0005,0.7129,0.7358 0.750,0.0873,0.00559,0.00150,-0.0007,0.7066,0.7403 1.000,0.1164,0.00559,0.00152,-0.0009,0.6983,0.7445 1.250,0.1455,0.00562,0.00153,-0.0011,0.6897,0.7488 1.500,0.1744,0.00564,0.00152,-0.0013,0.6792,0.7525 1.750,0.2032,0.00565,0.00154,-0.0014,0.6663,0.7560 2.250,0.2604,0.00577,0.00161,-0.0017,0.6322,0.7634 2.500,0.2885,0.00589,0.00164,-0.0018,0.6080,0.7667 2.750,0.3160,0.00601,0.00170,-0.0018,0.5782,0.7698 3.000,0.3432,0.00620,0.00180,-0.0017,0.5439,0.7730 3.250,0.3700,0.00645,0.00191,-0.0017,0.5064,0.7762 3.500,0.3968,0.00671,0.00204,-0.0016,0.4695,0.7793 3.750,0.4236,0.00693,0.00216,-0.0016,0.4367,0.7822 4.000,0.4499,0.00719,0.00231,-0.0015,0.4023,0.7849 4.250,0.4764,0.00744,0.00246,-0.0014,0.3696,0.7877 4.500,0.5025,0.00772,0.00263,-0.0013,0.3359,0.7905 4.750,0.5287,0.00802,0.00280,-0.0011,0.3048,0.7932 5.000,0.5545,0.00833,0.00299,-0.0010,0.2731,0.7954 5.250,0.5799,0.00861,0.00317,-0.0008,0.2438,0.7980 5.500,0.6054,0.00890,0.00338,-0.0006,0.2165,0.8003 5.750,0.6306,0.00923,0.00360,-0.0003,0.1892,0.8027 6.000,0.6561,0.00953,0.00382,-0.0001,0.1680,0.8052 6.250,0.6813,0.00984,0.00405,0.0001,0.1477,0.8076 6.500,0.7062,0.01019,0.00431,0.0004,0.1283,0.8097 6.750,0.7309,0.01047,0.00456,0.0007,0.1115,0.8122 7.000,0.7553,0.01079,0.00484,0.0011,0.0964,0.8147 7.250,0.7792,0.01116,0.00514,0.0015,0.0810,0.8172 7.500,0.8025,0.01157,0.00546,0.0020,0.0662,0.8198 7.750,0.8256,0.01199,0.00581,0.0026,0.0527,0.8224 8.000,0.8485,0.01239,0.00617,0.0031,0.0424,0.8250 8.250,0.8716,0.01273,0.00651,0.0037,0.0355,0.8278 8.500,0.8939,0.01313,0.00690,0.0044,0.0293,0.8306 8.750,0.9159,0.01354,0.00730,0.0051,0.0249,0.8338 9.000,0.9382,0.01393,0.00771,0.0058,0.0219,0.8369 9.250,0.9599,0.01431,0.00810,0.0065,0.0195,0.8400 9.500,0.9793,0.01480,0.00863,0.0076,0.0166,0.8435 9.750,1.0007,0.01513,0.00901,0.0084,0.0153,0.8474 10.000,1.0200,0.01559,0.00948,0.0095,0.0136,0.8516 10.250,1.0374,0.01610,0.01004,0.0109,0.0117,0.8561 10.500,1.0542,0.01648,0.01048,0.0125,0.0104,0.8613 11.000,1.0785,0.01757,0.01168,0.0169,0.0077,0.8760 11.250,1.0894,0.01818,0.01235,0.0191,0.0064,0.8869 11.500,1.0982,0.01886,0.01317,0.0216,0.0062,0.9053 11.750,1.1138,0.01960,0.01414,0.0226,0.0053,0.9579 12.000,1.1349,0.02045,0.01505,0.0222,0.0048,1.0000 12.250,1.1459,0.02138,0.01602,0.0236,0.0045,1.0000 12.500,1.1558,0.02241,0.01711,0.0251,0.0043,1.0000 12.750,1.1563,0.02414,0.01895,0.0273,0.0037,1.0000 13.000,1.1642,0.02536,0.02025,0.0286,0.0037,1.0000 13.250,1.1721,0.02664,0.02161,0.0298,0.0035,1.0000 13.500,1.1783,0.02808,0.02313,0.0311,0.0034,1.0000 13.750,1.1829,0.02968,0.02483,0.0322,0.0034,1.0000 14.000,1.1865,0.03142,0.02666,0.0332,0.0034,1.0000 14.250,1.1903,0.03322,0.02855,0.0340,0.0033,1.0000 14.500,1.1907,0.03539,0.03083,0.0348,0.0032,1.0000 14.750,1.1909,0.03768,0.03321,0.0352,0.0031,1.0000 15.000,1.1897,0.04022,0.03586,0.0355,0.0031,1.0000 15.250,1.1840,0.04339,0.03915,0.0354,0.0031,1.0000 15.500,1.1824,0.04631,0.04217,0.0350,0.0031,1.0000 15.750,1.1773,0.04985,0.04582,0.0341,0.0030,1.0000 16.000,1.1695,0.05401,0.05010,0.0328,0.0030,1.0000 16.250,1.1581,0.05894,0.05518,0.0308,0.0031,1.0000 16.500,1.1492,0.06382,0.06018,0.0286,0.0030,1.0000 16.750,1.1349,0.06984,0.06633,0.0256,0.0030,1.0000 17.000,1.1203,0.07612,0.07275,0.0223,0.0030,1.0000 17.250,1.1036,0.08306,0.07983,0.0185,0.0030,1.0000 17.500,1.0843,0.09068,0.08758,0.0144,0.0030,1.0000 17.750,1.0618,0.09912,0.09617,0.0097,0.0031,1.0000