Xfoil polar. Reynolds number fixed. Mach number fixed Polar key,xf-e428-il-1000000-n5 Airfoil,e428-il Reynolds number,1000000 Ncrit,5 Mach,0 Max Cl/Cd,86.1423 Max Cl/Cd alpha,7 Url,http://airfoiltools.com/polar/csv?polar=xf-e428-il-1000000-n5 Alpha,Cl,Cd,Cdp,Cm,Top_Xtr,Bot_Xtr -15.750,-1.0995,0.08118,0.07767,-0.0108,1.0000,0.0066 -15.500,-1.1335,0.07231,0.06868,-0.0157,1.0000,0.0066 -15.250,-1.1746,0.06230,0.05853,-0.0215,1.0000,0.0065 -15.000,-1.2079,0.05309,0.04916,-0.0271,1.0000,0.0065 -14.750,-1.2338,0.04463,0.04051,-0.0331,1.0000,0.0065 -14.500,-1.2519,0.03779,0.03349,-0.0383,1.0000,0.0065 -14.250,-1.2612,0.03330,0.02886,-0.0413,1.0000,0.0065 -14.000,-1.2688,0.03014,0.02557,-0.0423,1.0000,0.0065 -13.750,-1.2727,0.02818,0.02350,-0.0412,1.0000,0.0065 -13.500,-1.2738,0.02681,0.02204,-0.0388,1.0000,0.0066 -13.250,-1.2658,0.02561,0.02076,-0.0372,1.0000,0.0066 -13.000,-1.2530,0.02460,0.01967,-0.0360,1.0000,0.0067 -12.750,-1.2411,0.02339,0.01836,-0.0347,1.0000,0.0067 -12.500,-1.2285,0.02211,0.01698,-0.0334,1.0000,0.0069 -12.250,-1.2113,0.02117,0.01598,-0.0325,1.0000,0.0069 -12.000,-1.1933,0.02026,0.01500,-0.0316,1.0000,0.0071 -11.750,-1.1735,0.01949,0.01416,-0.0307,1.0000,0.0072 -11.500,-1.1526,0.01880,0.01342,-0.0300,1.0000,0.0074 -11.250,-1.1310,0.01816,0.01273,-0.0293,1.0000,0.0075 -11.000,-1.1088,0.01755,0.01206,-0.0286,1.0000,0.0077 -10.750,-1.0862,0.01697,0.01144,-0.0280,1.0000,0.0079 -10.500,-1.0633,0.01642,0.01084,-0.0273,1.0000,0.0080 -10.250,-1.0400,0.01589,0.01027,-0.0267,1.0000,0.0082 -10.000,-1.0164,0.01539,0.00972,-0.0261,1.0000,0.0084 -9.750,-0.9924,0.01492,0.00921,-0.0255,1.0000,0.0085 -9.500,-0.9683,0.01448,0.00872,-0.0249,1.0000,0.0086 -9.250,-0.9442,0.01401,0.00822,-0.0243,1.0000,0.0089 -9.000,-0.9202,0.01351,0.00768,-0.0236,1.0000,0.0092 -8.750,-0.8959,0.01309,0.00722,-0.0230,1.0000,0.0095 -8.500,-0.8713,0.01270,0.00681,-0.0224,1.0000,0.0098 -8.250,-0.8466,0.01234,0.00643,-0.0217,1.0000,0.0102 -8.000,-0.8218,0.01201,0.00607,-0.0211,1.0000,0.0106 -7.750,-0.7970,0.01170,0.00574,-0.0204,1.0000,0.0111 -7.500,-0.7724,0.01136,0.00539,-0.0197,1.0000,0.0120 -7.250,-0.7477,0.01103,0.00505,-0.0190,1.0000,0.0133 -7.000,-0.7256,0.01026,0.00442,-0.0180,1.0000,0.0347 -6.750,-0.6980,0.00985,0.00410,-0.0180,0.9987,0.0474 -6.500,-0.6648,0.00955,0.00383,-0.0191,0.9935,0.0539 -6.250,-0.6322,0.00928,0.00358,-0.0200,0.9875,0.0597 -6.000,-0.5975,0.00898,0.00333,-0.0214,0.9807,0.0676 -5.750,-0.5624,0.00863,0.00307,-0.0230,0.9697,0.0825 -5.500,-0.5258,0.00836,0.00285,-0.0247,0.9494,0.0964 -5.250,-0.4925,0.00817,0.00265,-0.0257,0.9111,0.1080 -5.000,-0.4664,0.00808,0.00247,-0.0250,0.8686,0.1171 -4.750,-0.4407,0.00806,0.00233,-0.0242,0.8298,0.1233 -4.500,-0.4149,0.00802,0.00219,-0.0235,0.7916,0.1311 -4.250,-0.3885,0.00796,0.00206,-0.0230,0.7595,0.1414 -4.000,-0.3618,0.00790,0.00194,-0.0226,0.7300,0.1533 -3.750,-0.3348,0.00786,0.00183,-0.0222,0.7011,0.1624 -3.500,-0.3075,0.00781,0.00174,-0.0219,0.6740,0.1714 -3.250,-0.2801,0.00782,0.00165,-0.0215,0.6454,0.1780 -3.000,-0.2527,0.00781,0.00157,-0.0212,0.6150,0.1847 -2.750,-0.2250,0.00781,0.00149,-0.0210,0.5880,0.1911 -2.500,-0.1972,0.00781,0.00143,-0.0207,0.5648,0.1972 -2.250,-0.1694,0.00780,0.00137,-0.0205,0.5410,0.2053 -2.000,-0.1416,0.00780,0.00132,-0.0203,0.5180,0.2132 -1.750,-0.1137,0.00781,0.00128,-0.0200,0.4950,0.2201 -1.500,-0.0858,0.00785,0.00124,-0.0198,0.4691,0.2251 -1.250,-0.0580,0.00789,0.00121,-0.0196,0.4440,0.2310 -1.000,-0.0300,0.00792,0.00119,-0.0194,0.4216,0.2373 -0.750,-0.0021,0.00799,0.00117,-0.0192,0.3951,0.2425 -0.500,0.0254,0.00808,0.00117,-0.0189,0.3596,0.2496 -0.250,0.0528,0.00821,0.00118,-0.0187,0.3182,0.2572 0.000,0.0802,0.00831,0.00120,-0.0185,0.2859,0.2667 0.250,0.1079,0.00839,0.00122,-0.0183,0.2634,0.2782 0.500,0.1357,0.00843,0.00125,-0.0180,0.2476,0.2917 0.750,0.1635,0.00844,0.00128,-0.0178,0.2345,0.3092 1.000,0.1912,0.00845,0.00131,-0.0176,0.2234,0.3297 1.250,0.2189,0.00844,0.00135,-0.0174,0.2139,0.3535 1.500,0.2467,0.00840,0.00139,-0.0172,0.2068,0.3852 1.750,0.2743,0.00837,0.00144,-0.0170,0.1993,0.4190 2.000,0.3020,0.00836,0.00150,-0.0168,0.1927,0.4502 2.250,0.3297,0.00836,0.00157,-0.0166,0.1858,0.4802 2.500,0.3573,0.00839,0.00164,-0.0163,0.1782,0.5091 2.750,0.3849,0.00839,0.00172,-0.0161,0.1722,0.5406 3.000,0.4123,0.00842,0.00181,-0.0158,0.1659,0.5715 3.250,0.4400,0.00844,0.00191,-0.0156,0.1617,0.5998 3.500,0.4675,0.00847,0.00201,-0.0153,0.1572,0.6258 3.750,0.4947,0.00854,0.00212,-0.0150,0.1499,0.6548 4.000,0.5221,0.00857,0.00224,-0.0146,0.1460,0.6832 4.250,0.5494,0.00862,0.00236,-0.0143,0.1424,0.7089 4.500,0.5764,0.00868,0.00248,-0.0139,0.1382,0.7384 4.750,0.6030,0.00873,0.00262,-0.0135,0.1334,0.7711 5.000,0.6293,0.00874,0.00276,-0.0129,0.1302,0.8082 5.250,0.6534,0.00870,0.00291,-0.0118,0.1260,0.8715 5.500,0.6962,0.00870,0.00308,-0.0147,0.1195,0.9787 5.750,0.7273,0.00887,0.00323,-0.0153,0.1143,1.0000 6.000,0.7539,0.00907,0.00340,-0.0149,0.1089,1.0000 6.250,0.7807,0.00925,0.00356,-0.0145,0.1041,1.0000 6.500,0.8070,0.00949,0.00375,-0.0141,0.0968,1.0000 6.750,0.8336,0.00970,0.00395,-0.0137,0.0904,1.0000 7.000,0.8597,0.00998,0.00418,-0.0133,0.0825,1.0000 7.250,0.8854,0.01030,0.00444,-0.0128,0.0731,1.0000 7.500,0.9109,0.01066,0.00474,-0.0123,0.0638,1.0000 8.000,0.9623,0.01130,0.00533,-0.0114,0.0540,1.0000 8.250,0.9879,0.01162,0.00564,-0.0109,0.0508,1.0000 8.500,1.0137,0.01191,0.00594,-0.0105,0.0485,1.0000 8.750,1.0394,0.01220,0.00624,-0.0100,0.0463,1.0000 9.000,1.0645,0.01257,0.00660,-0.0095,0.0434,1.0000 9.250,1.0898,0.01288,0.00692,-0.0091,0.0406,1.0000 9.500,1.1144,0.01329,0.00731,-0.0085,0.0362,1.0000 9.750,1.1374,0.01389,0.00783,-0.0078,0.0242,1.0000 10.000,1.1598,0.01455,0.00845,-0.0070,0.0185,1.0000 10.250,1.1832,0.01506,0.00898,-0.0064,0.0169,1.0000 10.500,1.2068,0.01552,0.00947,-0.0057,0.0160,1.0000 10.750,1.2302,0.01599,0.00998,-0.0050,0.0154,1.0000 11.000,1.2530,0.01651,0.01053,-0.0043,0.0147,1.0000 11.250,1.2749,0.01709,0.01115,-0.0035,0.0141,1.0000 11.500,1.2965,0.01769,0.01179,-0.0027,0.0136,1.0000 11.750,1.3185,0.01820,0.01235,-0.0019,0.0133,1.0000 12.000,1.3399,0.01875,0.01296,-0.0010,0.0130,1.0000 12.250,1.3606,0.01933,0.01359,-0.0001,0.0127,1.0000 12.500,1.3805,0.01995,0.01427,0.0009,0.0124,1.0000 12.750,1.3994,0.02062,0.01499,0.0019,0.0121,1.0000 13.000,1.4171,0.02135,0.01578,0.0031,0.0118,1.0000 13.250,1.4330,0.02217,0.01665,0.0045,0.0115,1.0000 13.500,1.4468,0.02307,0.01761,0.0060,0.0112,1.0000 13.750,1.4591,0.02398,0.01859,0.0078,0.0110,1.0000 14.000,1.4684,0.02478,0.01947,0.0100,0.0109,1.0000 14.250,1.4752,0.02566,0.02042,0.0125,0.0107,1.0000 14.500,1.4801,0.02673,0.02157,0.0147,0.0106,1.0000 14.750,1.4836,0.02800,0.02293,0.0166,0.0105,1.0000 15.000,1.4849,0.02961,0.02463,0.0181,0.0104,1.0000 15.250,1.4850,0.03157,0.02668,0.0189,0.0102,1.0000 15.500,1.4838,0.03393,0.02914,0.0191,0.0101,1.0000 15.750,1.4798,0.03691,0.03224,0.0186,0.0100,1.0000 16.000,1.4749,0.04035,0.03579,0.0174,0.0099,1.0000 16.250,1.4646,0.04481,0.04039,0.0153,0.0099,1.0000 16.500,1.4514,0.05006,0.04578,0.0126,0.0098,1.0000 16.750,1.4265,0.05745,0.05334,0.0083,0.0098,1.0000 17.000,1.3901,0.06707,0.06317,0.0027,0.0099,1.0000 17.250,1.3436,0.07883,0.07515,-0.0040,0.0099,1.0000 17.500,1.2801,0.09379,0.09033,-0.0126,0.0101,1.0000