Xfoil polar. Reynolds number fixed. Mach number fixed Polar key,xf-e521-il-500000-n5 Airfoil,e521-il Reynolds number,500000 Ncrit,5 Mach,0 Max Cl/Cd,56.409 Max Cl/Cd alpha,7.75 Url,http://airfoiltools.com/polar/csv?polar=xf-e521-il-500000-n5 Alpha,Cl,Cd,Cdp,Cm,Top_Xtr,Bot_Xtr -17.750,-1.0080,0.11060,0.10720,-0.0029,1.0000,0.0032 -17.500,-1.0293,0.10197,0.09843,-0.0077,1.0000,0.0031 -17.250,-1.0516,0.09336,0.08967,-0.0125,1.0000,0.0032 -17.000,-1.0689,0.08596,0.08212,-0.0166,1.0000,0.0032 -16.750,-1.0845,0.07910,0.07512,-0.0204,1.0000,0.0031 -16.500,-1.1004,0.07242,0.06829,-0.0240,1.0000,0.0032 -16.250,-1.1130,0.06660,0.06231,-0.0270,1.0000,0.0031 -16.000,-1.1225,0.06154,0.05711,-0.0294,1.0000,0.0031 -15.750,-1.1287,0.05722,0.05266,-0.0312,1.0000,0.0033 -15.500,-1.1358,0.05302,0.04833,-0.0327,1.0000,0.0034 -15.250,-1.1407,0.04936,0.04454,-0.0338,1.0000,0.0034 -15.000,-1.1451,0.04601,0.04105,-0.0344,1.0000,0.0035 -14.750,-1.1470,0.04314,0.03806,-0.0347,1.0000,0.0034 -14.500,-1.1471,0.04059,0.03538,-0.0346,1.0000,0.0036 -14.250,-1.1452,0.03835,0.03303,-0.0344,1.0000,0.0037 -14.000,-1.1436,0.03618,0.03075,-0.0339,1.0000,0.0038 -13.750,-1.1404,0.03423,0.02869,-0.0333,1.0000,0.0038 -13.500,-1.1388,0.03221,0.02658,-0.0324,1.0000,0.0042 -13.250,-1.1332,0.03060,0.02490,-0.0315,1.0000,0.0045 -13.000,-1.1265,0.02911,0.02333,-0.0305,1.0000,0.0047 -12.750,-1.1179,0.02782,0.02195,-0.0294,1.0000,0.0049 -12.500,-1.1086,0.02660,0.02065,-0.0284,1.0000,0.0052 -12.250,-1.0987,0.02545,0.01942,-0.0272,1.0000,0.0056 -12.000,-1.0886,0.02433,0.01823,-0.0260,1.0000,0.0060 -11.750,-1.0775,0.02331,0.01718,-0.0248,1.0000,0.0068 -11.500,-1.0504,0.02231,0.01603,-0.0267,0.9233,0.0075 -11.250,-1.0375,0.02162,0.01518,-0.0252,0.8959,0.0082 -11.000,-1.0269,0.02089,0.01434,-0.0233,0.8810,0.0092 -10.750,-1.0149,0.02021,0.01358,-0.0215,0.8708,0.0103 -10.500,-1.0014,0.01962,0.01290,-0.0198,0.8633,0.0115 -10.250,-0.9881,0.01902,0.01223,-0.0180,0.8565,0.0127 -10.000,-0.9751,0.01844,0.01161,-0.0160,0.8507,0.0149 -9.750,-0.9600,0.01798,0.01108,-0.0143,0.8454,0.0164 -9.500,-0.9448,0.01744,0.01050,-0.0126,0.8410,0.0191 -9.250,-0.9264,0.01697,0.00998,-0.0114,0.8374,0.0218 -9.000,-0.9072,0.01648,0.00946,-0.0104,0.8337,0.0249 -8.750,-0.8876,0.01600,0.00896,-0.0093,0.8299,0.0288 -8.500,-0.8672,0.01555,0.00849,-0.0084,0.8266,0.0334 -8.250,-0.8464,0.01512,0.00804,-0.0075,0.8239,0.0393 -8.000,-0.8251,0.01465,0.00760,-0.0068,0.8210,0.0470 -7.750,-0.8029,0.01423,0.00717,-0.0061,0.8179,0.0553 -7.500,-0.7802,0.01386,0.00680,-0.0055,0.8149,0.0640 -7.250,-0.7576,0.01346,0.00642,-0.0049,0.8123,0.0751 -7.000,-0.7347,0.01309,0.00607,-0.0043,0.8101,0.0872 -6.750,-0.7110,0.01272,0.00574,-0.0038,0.8075,0.1001 -6.500,-0.6870,0.01237,0.00542,-0.0034,0.8047,0.1146 -6.250,-0.6633,0.01198,0.00511,-0.0030,0.8021,0.1334 -6.000,-0.6393,0.01162,0.00482,-0.0026,0.7996,0.1541 -5.750,-0.6150,0.01130,0.00455,-0.0022,0.7972,0.1742 -5.500,-0.5905,0.01097,0.00429,-0.0018,0.7950,0.1971 -5.250,-0.5655,0.01064,0.00404,-0.0016,0.7925,0.2205 -5.000,-0.5403,0.01033,0.00382,-0.0014,0.7899,0.2450 -4.750,-0.5150,0.01003,0.00361,-0.0012,0.7872,0.2709 -4.500,-0.4896,0.00974,0.00340,-0.0009,0.7847,0.2983 -4.250,-0.4641,0.00946,0.00320,-0.0007,0.7823,0.3261 -4.000,-0.4384,0.00920,0.00302,-0.0005,0.7800,0.3550 -3.750,-0.4125,0.00891,0.00285,-0.0004,0.7770,0.3878 -3.500,-0.3865,0.00863,0.00269,-0.0002,0.7738,0.4197 -3.250,-0.3605,0.00837,0.00253,0.0000,0.7706,0.4523 -3.000,-0.3345,0.00813,0.00239,0.0002,0.7677,0.4859 -2.750,-0.3081,0.00790,0.00227,0.0003,0.7645,0.5191 -2.500,-0.2814,0.00769,0.00218,0.0004,0.7606,0.5517 -2.250,-0.2546,0.00751,0.00211,0.0006,0.7567,0.5838 -2.000,-0.2273,0.00739,0.00206,0.0007,0.7532,0.6109 -1.750,-0.1996,0.00731,0.00204,0.0007,0.7494,0.6332 -1.500,-0.1713,0.00725,0.00203,0.0006,0.7446,0.6512 -1.250,-0.1431,0.00722,0.00202,0.0006,0.7402,0.6659 -1.000,-0.1147,0.00721,0.00200,0.0005,0.7359,0.6781 -0.750,-0.0860,0.00719,0.00202,0.0004,0.7304,0.6885 -0.500,-0.0574,0.00718,0.00200,0.0003,0.7252,0.6975 -0.250,-0.0287,0.00718,0.00200,0.0001,0.7197,0.7060 0.000,0.0000,0.00718,0.00201,0.0000,0.7129,0.7128 0.250,0.0287,0.00718,0.00200,-0.0001,0.7060,0.7197 0.500,0.0574,0.00718,0.00201,-0.0003,0.6975,0.7252 0.750,0.0860,0.00719,0.00202,-0.0004,0.6884,0.7304 1.000,0.1147,0.00721,0.00200,-0.0005,0.6782,0.7360 1.250,0.1431,0.00722,0.00201,-0.0006,0.6658,0.7402 1.500,0.1714,0.00725,0.00203,-0.0007,0.6512,0.7446 1.750,0.1996,0.00731,0.00204,-0.0007,0.6334,0.7494 2.000,0.2274,0.00739,0.00206,-0.0007,0.6108,0.7532 2.250,0.2546,0.00751,0.00211,-0.0006,0.5838,0.7567 2.500,0.2814,0.00769,0.00218,-0.0004,0.5520,0.7606 2.750,0.3081,0.00790,0.00227,-0.0003,0.5192,0.7645 3.000,0.3345,0.00812,0.00239,-0.0002,0.4862,0.7677 3.250,0.3605,0.00837,0.00253,0.0000,0.4524,0.7706 3.500,0.3865,0.00863,0.00269,0.0002,0.4197,0.7738 3.750,0.4125,0.00891,0.00285,0.0004,0.3876,0.7769 4.000,0.4383,0.00920,0.00302,0.0005,0.3543,0.7800 4.250,0.4641,0.00946,0.00320,0.0007,0.3261,0.7823 4.500,0.4896,0.00973,0.00340,0.0009,0.2986,0.7847 4.750,0.5149,0.01003,0.00361,0.0012,0.2709,0.7872 5.000,0.5402,0.01034,0.00382,0.0014,0.2448,0.7899 5.250,0.5654,0.01064,0.00404,0.0016,0.2205,0.7925 5.500,0.5904,0.01097,0.00429,0.0019,0.1972,0.7950 5.750,0.6148,0.01130,0.00455,0.0022,0.1742,0.7972 6.000,0.6392,0.01162,0.00482,0.0026,0.1540,0.7996 6.250,0.6631,0.01199,0.00511,0.0030,0.1332,0.8021 6.500,0.6869,0.01237,0.00542,0.0035,0.1147,0.8047 6.750,0.7108,0.01272,0.00574,0.0039,0.1001,0.8075 7.000,0.7345,0.01309,0.00607,0.0043,0.0871,0.8101 7.250,0.7574,0.01346,0.00642,0.0049,0.0750,0.8124 7.750,0.8027,0.01423,0.00717,0.0061,0.0554,0.8179 8.000,0.8248,0.01465,0.00759,0.0068,0.0470,0.8210 8.250,0.8461,0.01512,0.00804,0.0076,0.0394,0.8240 8.500,0.8669,0.01555,0.00848,0.0085,0.0334,0.8267 8.750,0.8872,0.01599,0.00896,0.0094,0.0288,0.8300 9.000,0.9068,0.01648,0.00945,0.0104,0.0249,0.8337 9.250,0.9260,0.01696,0.00997,0.0115,0.0217,0.8375 9.500,0.9444,0.01744,0.01050,0.0127,0.0191,0.8411 9.750,0.9596,0.01797,0.01107,0.0144,0.0164,0.8455 10.000,0.9747,0.01843,0.01160,0.0161,0.0149,0.8509 10.250,0.9881,0.01899,0.01222,0.0180,0.0132,0.8566 10.500,1.0008,0.01963,0.01291,0.0199,0.0117,0.8635 10.750,1.0145,0.02020,0.01358,0.0216,0.0104,0.8711 11.000,1.0265,0.02088,0.01433,0.0234,0.0092,0.8813 11.500,1.0500,0.02232,0.01605,0.0267,0.0077,0.9248 11.750,1.0772,0.02330,0.01717,0.0249,0.0067,1.0000 12.000,1.0885,0.02432,0.01823,0.0261,0.0061,1.0000 12.250,1.0985,0.02545,0.01942,0.0273,0.0056,1.0000 12.500,1.1087,0.02657,0.02062,0.0284,0.0054,1.0000 12.750,1.1183,0.02776,0.02189,0.0294,0.0048,1.0000 13.000,1.1265,0.02909,0.02330,0.0305,0.0047,1.0000 13.250,1.1333,0.03056,0.02484,0.0315,0.0043,1.0000 13.500,1.1390,0.03217,0.02653,0.0324,0.0041,1.0000 13.750,1.1412,0.03413,0.02859,0.0333,0.0039,1.0000 14.000,1.1435,0.03615,0.03072,0.0340,0.0038,1.0000 14.250,1.1463,0.03821,0.03288,0.0344,0.0037,1.0000 14.500,1.1472,0.04055,0.03534,0.0347,0.0036,1.0000 14.750,1.1474,0.04307,0.03799,0.0347,0.0035,1.0000 15.000,1.1459,0.04591,0.04095,0.0344,0.0034,1.0000 15.250,1.1408,0.04933,0.04451,0.0338,0.0033,1.0000 15.500,1.1378,0.05274,0.04803,0.0328,0.0034,1.0000 15.750,1.1324,0.05668,0.05211,0.0314,0.0033,1.0000 16.000,1.1237,0.06134,0.05690,0.0294,0.0032,1.0000 16.250,1.1125,0.06668,0.06239,0.0269,0.0033,1.0000 16.500,1.1018,0.07220,0.06805,0.0240,0.0033,1.0000 16.750,1.0875,0.07857,0.07458,0.0206,0.0031,1.0000 17.000,1.0709,0.08563,0.08178,0.0168,0.0032,1.0000 17.250,1.0523,0.09327,0.08958,0.0125,0.0032,1.0000 17.500,1.0323,0.10141,0.09786,0.0080,0.0032,1.0000 17.750,1.0091,0.11042,0.10702,0.0029,0.0032,1.0000