Xfoil polar. Reynolds number fixed. Mach number fixed Polar key,xf-e428-il-500000-n5 Airfoil,e428-il Reynolds number,500000 Ncrit,5 Mach,0 Max Cl/Cd,73.1654 Max Cl/Cd alpha,7.75 Url,http://airfoiltools.com/polar/csv?polar=xf-e428-il-500000-n5 Alpha,Cl,Cd,Cdp,Cm,Top_Xtr,Bot_Xtr -15.250,-1.0193,0.08640,0.08222,-0.0070,1.0000,0.0090 -15.000,-1.0337,0.08042,0.07616,-0.0103,1.0000,0.0090 -14.750,-1.0516,0.07404,0.06969,-0.0137,1.0000,0.0090 -14.500,-1.0702,0.06752,0.06307,-0.0174,1.0000,0.0090 -14.250,-1.0929,0.06034,0.05577,-0.0215,1.0000,0.0090 -14.000,-1.1075,0.05417,0.04947,-0.0251,1.0000,0.0089 -13.750,-1.1263,0.04714,0.04230,-0.0298,1.0000,0.0090 -13.500,-1.1409,0.04091,0.03590,-0.0344,1.0000,0.0090 -13.250,-1.1520,0.03596,0.03080,-0.0379,1.0000,0.0090 -13.000,-1.1620,0.03233,0.02703,-0.0394,1.0000,0.0091 -12.750,-1.1679,0.03011,0.02469,-0.0385,1.0000,0.0092 -12.500,-1.1697,0.02844,0.02293,-0.0364,1.0000,0.0093 -12.250,-1.1615,0.02705,0.02145,-0.0351,1.0000,0.0094 -12.000,-1.1504,0.02576,0.02007,-0.0339,1.0000,0.0096 -11.750,-1.1364,0.02461,0.01882,-0.0329,1.0000,0.0098 -11.500,-1.1205,0.02355,0.01767,-0.0319,1.0000,0.0099 -11.250,-1.1033,0.02255,0.01659,-0.0310,1.0000,0.0101 -11.000,-1.0847,0.02164,0.01558,-0.0302,1.0000,0.0103 -10.750,-1.0651,0.02078,0.01464,-0.0294,1.0000,0.0105 -10.500,-1.0445,0.01999,0.01377,-0.0287,1.0000,0.0107 -10.250,-1.0230,0.01927,0.01297,-0.0280,1.0000,0.0109 -10.000,-1.0013,0.01855,0.01217,-0.0273,1.0000,0.0111 -9.750,-0.9796,0.01778,0.01132,-0.0266,1.0000,0.0114 -9.500,-0.9571,0.01711,0.01058,-0.0259,1.0000,0.0118 -9.250,-0.9339,0.01651,0.00993,-0.0252,1.0000,0.0123 -9.000,-0.9103,0.01597,0.00932,-0.0246,1.0000,0.0128 -8.750,-0.8863,0.01548,0.00877,-0.0240,1.0000,0.0134 -8.500,-0.8626,0.01494,0.00819,-0.0233,1.0000,0.0143 -8.250,-0.8388,0.01440,0.00762,-0.0227,1.0000,0.0161 -7.750,-0.7938,0.01290,0.00633,-0.0212,1.0000,0.0461 -7.500,-0.7693,0.01251,0.00595,-0.0205,1.0000,0.0530 -7.250,-0.7446,0.01215,0.00560,-0.0199,1.0000,0.0591 -7.000,-0.7201,0.01179,0.00525,-0.0192,1.0000,0.0652 -6.750,-0.6956,0.01142,0.00493,-0.0185,1.0000,0.0729 -6.500,-0.6713,0.01107,0.00464,-0.0178,1.0000,0.0845 -6.250,-0.6467,0.01076,0.00438,-0.0171,1.0000,0.0968 -6.000,-0.6220,0.01048,0.00414,-0.0164,1.0000,0.1064 -5.750,-0.5973,0.01022,0.00392,-0.0157,1.0000,0.1146 -5.500,-0.5658,0.00998,0.00371,-0.0164,0.9964,0.1240 -5.250,-0.5315,0.00975,0.00351,-0.0177,0.9888,0.1341 -5.000,-0.4958,0.00952,0.00333,-0.0192,0.9811,0.1454 -4.750,-0.4602,0.00930,0.00317,-0.0207,0.9700,0.1575 -4.500,-0.4239,0.00913,0.00302,-0.0223,0.9545,0.1670 -4.250,-0.3864,0.00897,0.00287,-0.0241,0.9313,0.1765 -4.000,-0.3512,0.00885,0.00270,-0.0254,0.8937,0.1850 -3.750,-0.3236,0.00885,0.00256,-0.0248,0.8475,0.1924 -3.500,-0.2978,0.00886,0.00244,-0.0240,0.8079,0.1984 -3.250,-0.2716,0.00887,0.00233,-0.0233,0.7746,0.2060 -3.000,-0.2451,0.00886,0.00223,-0.0228,0.7446,0.2137 -2.750,-0.2185,0.00886,0.00213,-0.0222,0.7140,0.2222 -2.250,-0.1648,0.00888,0.00195,-0.0213,0.6526,0.2349 -2.000,-0.1375,0.00889,0.00187,-0.0209,0.6282,0.2411 -1.750,-0.1100,0.00887,0.00180,-0.0206,0.6059,0.2474 -1.500,-0.0826,0.00888,0.00174,-0.0203,0.5811,0.2547 -1.250,-0.0551,0.00889,0.00168,-0.0200,0.5578,0.2624 -1.000,-0.0277,0.00889,0.00163,-0.0197,0.5336,0.2718 -0.750,-0.0003,0.00891,0.00159,-0.0193,0.5064,0.2811 -0.500,0.0270,0.00895,0.00157,-0.0190,0.4789,0.2924 -0.250,0.0543,0.00895,0.00155,-0.0188,0.4535,0.3091 0.000,0.0814,0.00896,0.00154,-0.0185,0.4255,0.3303 0.250,0.1083,0.00899,0.00155,-0.0182,0.3920,0.3539 0.500,0.1351,0.00906,0.00157,-0.0179,0.3521,0.3805 0.750,0.1616,0.00914,0.00161,-0.0175,0.3131,0.4152 1.000,0.1883,0.00919,0.00167,-0.0172,0.2838,0.4527 1.250,0.2152,0.00924,0.00174,-0.0169,0.2631,0.4867 1.500,0.2422,0.00929,0.00183,-0.0166,0.2472,0.5189 1.750,0.2693,0.00932,0.00192,-0.0162,0.2346,0.5511 2.000,0.2963,0.00935,0.00202,-0.0159,0.2246,0.5852 2.500,0.3503,0.00942,0.00223,-0.0151,0.2085,0.6473 2.750,0.3773,0.00946,0.00234,-0.0147,0.2013,0.6755 3.000,0.4040,0.00952,0.00247,-0.0143,0.1940,0.7063 3.250,0.4306,0.00954,0.00260,-0.0137,0.1877,0.7376 3.500,0.4568,0.00960,0.00273,-0.0132,0.1811,0.7687 3.750,0.4825,0.00962,0.00287,-0.0124,0.1757,0.8060 4.000,0.5077,0.00963,0.00302,-0.0115,0.1704,0.8486 4.250,0.5336,0.00968,0.00316,-0.0108,0.1644,0.8987 4.500,0.5788,0.00977,0.00333,-0.0142,0.1580,0.9669 4.750,0.6133,0.00996,0.00349,-0.0155,0.1525,1.0000 5.000,0.6397,0.01016,0.00366,-0.0150,0.1474,1.0000 5.250,0.6664,0.01032,0.00383,-0.0146,0.1431,1.0000 5.500,0.6930,0.01052,0.00401,-0.0142,0.1390,1.0000 5.750,0.7194,0.01075,0.00421,-0.0138,0.1349,1.0000 6.000,0.7461,0.01093,0.00441,-0.0134,0.1314,1.0000 6.250,0.7726,0.01114,0.00461,-0.0130,0.1261,1.0000 6.500,0.7988,0.01139,0.00483,-0.0126,0.1203,1.0000 6.750,0.8254,0.01160,0.00505,-0.0122,0.1155,1.0000 7.000,0.8515,0.01186,0.00529,-0.0118,0.1100,1.0000 7.250,0.8777,0.01211,0.00555,-0.0114,0.1048,1.0000 7.500,0.9035,0.01240,0.00582,-0.0110,0.0977,1.0000 7.750,0.9292,0.01270,0.00610,-0.0105,0.0905,1.0000 8.000,0.9546,0.01305,0.00642,-0.0101,0.0828,1.0000 8.250,0.9796,0.01343,0.00678,-0.0096,0.0756,1.0000 8.500,1.0047,0.01380,0.00714,-0.0091,0.0696,1.0000 8.750,1.0292,0.01423,0.00755,-0.0085,0.0641,1.0000 9.000,1.0537,0.01466,0.00798,-0.0080,0.0596,1.0000 9.250,1.0780,0.01510,0.00843,-0.0074,0.0559,1.0000 9.500,1.1022,0.01552,0.00888,-0.0068,0.0527,1.0000 9.750,1.1257,0.01603,0.00940,-0.0062,0.0497,1.0000 10.000,1.1498,0.01644,0.00986,-0.0056,0.0471,1.0000 10.250,1.1726,0.01699,0.01041,-0.0049,0.0432,1.0000 10.500,1.1957,0.01748,0.01094,-0.0042,0.0388,1.0000 10.750,1.2179,0.01806,0.01153,-0.0035,0.0327,1.0000 11.000,1.2377,0.01889,0.01230,-0.0026,0.0238,1.0000 11.250,1.2569,0.01974,0.01314,-0.0016,0.0207,1.0000 11.500,1.2762,0.02053,0.01399,-0.0006,0.0192,1.0000 11.750,1.2953,0.02129,0.01482,0.0005,0.0183,1.0000 12.000,1.3129,0.02215,0.01574,0.0016,0.0174,1.0000 12.250,1.3287,0.02310,0.01678,0.0029,0.0167,1.0000 12.500,1.3440,0.02403,0.01778,0.0043,0.0162,1.0000 12.750,1.3584,0.02493,0.01878,0.0057,0.0158,1.0000 13.000,1.3707,0.02591,0.01986,0.0073,0.0154,1.0000 13.250,1.3775,0.02696,0.02101,0.0096,0.0151,1.0000 13.500,1.3814,0.02815,0.02230,0.0121,0.0148,1.0000 13.750,1.3827,0.02961,0.02385,0.0142,0.0146,1.0000 14.000,1.3814,0.03146,0.02581,0.0157,0.0144,1.0000 14.250,1.3780,0.03378,0.02825,0.0164,0.0142,1.0000 14.500,1.3728,0.03668,0.03127,0.0162,0.0141,1.0000 14.750,1.3651,0.04030,0.03503,0.0151,0.0140,1.0000 15.000,1.3510,0.04524,0.04012,0.0128,0.0138,1.0000 15.250,1.3334,0.05122,0.04627,0.0095,0.0137,1.0000 15.500,1.3148,0.05779,0.05301,0.0056,0.0137,1.0000 15.750,1.2887,0.06593,0.06133,0.0008,0.0137,1.0000 16.000,1.2610,0.07461,0.07019,-0.0041,0.0138,1.0000 16.250,1.2282,0.08430,0.08004,-0.0095,0.0139,1.0000 16.500,1.1999,0.09318,0.08908,-0.0144,0.0140,1.0000