Xfoil polar. Reynolds number fixed. Mach number fixed Polar key,xf-e668-il-500000 Airfoil,e668-il Reynolds number,500000 Ncrit,9 Mach,0 Max Cl/Cd,122.962 Max Cl/Cd alpha,5.25 Url,http://airfoiltools.com/polar/csv?polar=xf-e668-il-500000 Alpha,Cl,Cd,Cdp,Cm,Top_Xtr,Bot_Xtr -11.500,-0.0515,0.08640,0.08354,-0.1169,0.8763,0.0207 -11.250,-0.0633,0.07894,0.07610,-0.1206,0.8750,0.0211 -11.000,-0.0693,0.07316,0.07034,-0.1226,0.8738,0.0213 -10.750,-0.0659,0.06998,0.06716,-0.1234,0.8725,0.0215 -10.500,-0.0615,0.06718,0.06437,-0.1240,0.8711,0.0218 -10.250,-0.0624,0.06306,0.06026,-0.1256,0.8697,0.0219 -10.000,-0.0652,0.05874,0.05594,-0.1272,0.8681,0.0222 -9.750,-0.0743,0.05300,0.05021,-0.1298,0.8663,0.0224 -9.500,-0.1242,0.03828,0.03542,-0.1407,0.8643,0.0220 -9.250,-0.2975,0.03358,0.02955,-0.1439,0.8606,0.0115 -9.000,-0.2899,0.03169,0.02758,-0.1424,0.8587,0.0107 -8.750,-0.3151,0.02500,0.01993,-0.1374,0.8554,0.0089 -8.500,-0.3014,0.02324,0.01782,-0.1360,0.8536,0.0088 -8.250,-0.2837,0.02186,0.01620,-0.1350,0.8521,0.0087 -8.000,-0.2640,0.02073,0.01486,-0.1342,0.8506,0.0087 -7.750,-0.2455,0.01920,0.01314,-0.1333,0.8492,0.0088 -7.500,-0.2263,0.01788,0.01173,-0.1324,0.8476,0.0090 -7.250,-0.2047,0.01711,0.01089,-0.1317,0.8459,0.0093 -7.000,-0.1822,0.01645,0.01017,-0.1312,0.8442,0.0098 -6.750,-0.1592,0.01585,0.00950,-0.1307,0.8426,0.0105 -6.500,-0.1356,0.01529,0.00884,-0.1302,0.8411,0.0113 -6.250,-0.1125,0.01467,0.00821,-0.1298,0.8394,0.0127 -6.000,-0.0880,0.01415,0.00762,-0.1295,0.8378,0.0146 -5.750,-0.0626,0.01373,0.00716,-0.1293,0.8364,0.0178 -5.500,-0.0371,0.01342,0.00685,-0.1292,0.8350,0.0235 -5.250,-0.0118,0.01318,0.00661,-0.1290,0.8335,0.0310 -5.000,0.0131,0.01284,0.00635,-0.1289,0.8316,0.0415 -4.750,0.0383,0.01250,0.00609,-0.1287,0.8296,0.0569 -4.500,0.0640,0.01216,0.00587,-0.1287,0.8277,0.0846 -4.250,0.0900,0.01182,0.00568,-0.1288,0.8257,0.1252 -4.000,0.1167,0.01149,0.00552,-0.1290,0.8239,0.1749 -3.750,0.1437,0.01116,0.00538,-0.1292,0.8222,0.2326 -3.500,0.1711,0.01085,0.00526,-0.1296,0.8206,0.2999 -3.250,0.1983,0.01059,0.00525,-0.1299,0.8189,0.3796 -3.000,0.2235,0.01022,0.00520,-0.1299,0.8166,0.4689 -2.750,0.2496,0.00990,0.00518,-0.1300,0.8140,0.5590 -2.500,0.2762,0.00969,0.00521,-0.1299,0.8116,0.6385 -2.250,0.3033,0.00962,0.00528,-0.1297,0.8094,0.6909 -2.000,0.3314,0.00964,0.00534,-0.1296,0.8074,0.7260 -1.750,0.3601,0.00971,0.00538,-0.1296,0.8055,0.7482 -1.500,0.3892,0.00984,0.00547,-0.1298,0.8037,0.7646 -1.250,0.4148,0.00994,0.00556,-0.1294,0.8006,0.7781 -1.000,0.4407,0.01003,0.00567,-0.1289,0.7974,0.7886 -0.750,0.4681,0.01008,0.00570,-0.1287,0.7946,0.7980 -0.500,0.4966,0.01011,0.00570,-0.1287,0.7922,0.8068 -0.250,0.5252,0.01010,0.00567,-0.1287,0.7901,0.8137 0.000,0.5544,0.01016,0.00568,-0.1288,0.7881,0.8210 0.250,0.5788,0.01020,0.00575,-0.1282,0.7842,0.8280 0.500,0.6041,0.01019,0.00577,-0.1276,0.7804,0.8340 0.750,0.6333,0.01014,0.00569,-0.1278,0.7774,0.8407 1.000,0.6609,0.01004,0.00559,-0.1276,0.7748,0.8454 1.250,0.6905,0.00999,0.00551,-0.1278,0.7725,0.8509 1.500,0.7148,0.00999,0.00555,-0.1272,0.7677,0.8571 1.750,0.7397,0.00988,0.00548,-0.1265,0.7636,0.8615 2.000,0.7680,0.00974,0.00534,-0.1265,0.7602,0.8665 2.250,0.7996,0.00963,0.00518,-0.1272,0.7573,0.8715 2.500,0.8205,0.00955,0.00518,-0.1258,0.7514,0.8757 2.750,0.8470,0.00940,0.00506,-0.1255,0.7466,0.8798 3.000,0.8771,0.00923,0.00487,-0.1259,0.7427,0.8838 3.250,0.9011,0.00916,0.00486,-0.1252,0.7352,0.8876 3.500,0.9273,0.00897,0.00469,-0.1248,0.7293,0.8907 3.750,0.9508,0.00890,0.00467,-0.1240,0.7210,0.8941 4.000,0.9783,0.00878,0.00453,-0.1239,0.7135,0.8974 4.250,1.0028,0.00876,0.00455,-0.1234,0.7021,0.9008 4.500,1.0264,0.00871,0.00451,-0.1226,0.6898,0.9038 4.750,1.0487,0.00870,0.00449,-0.1215,0.6751,0.9070 5.000,1.0707,0.00875,0.00451,-0.1204,0.6581,0.9105 5.250,1.0919,0.00888,0.00458,-0.1191,0.6379,0.9142 5.500,1.1103,0.00906,0.00470,-0.1174,0.6132,0.9177 5.750,1.1241,0.00930,0.00484,-0.1147,0.5874,0.9220 6.000,1.1354,0.00963,0.00507,-0.1116,0.5598,0.9271 6.250,1.1428,0.00996,0.00531,-0.1077,0.5333,0.9327 6.500,1.1484,0.01033,0.00561,-0.1035,0.5078,0.9396 6.750,1.1534,0.01079,0.00598,-0.0994,0.4831,0.9479 7.000,1.1599,0.01122,0.00637,-0.0957,0.4587,0.9590 7.250,1.1726,0.01179,0.00686,-0.0936,0.4309,0.9951 7.500,1.1849,0.01254,0.00750,-0.0917,0.4035,1.0000 7.750,1.1968,0.01335,0.00819,-0.0899,0.3758,1.0000 8.000,1.2088,0.01419,0.00892,-0.0881,0.3480,1.0000 8.250,1.2201,0.01510,0.00971,-0.0862,0.3207,1.0000 8.500,1.2313,0.01604,0.01053,-0.0844,0.2950,1.0000 8.750,1.2433,0.01695,0.01134,-0.0828,0.2696,1.0000 9.000,1.2546,0.01793,0.01220,-0.0810,0.2446,1.0000 9.250,1.2648,0.01898,0.01313,-0.0792,0.2201,1.0000 9.500,1.2763,0.01997,0.01402,-0.0776,0.1961,1.0000 9.750,1.2867,0.02105,0.01499,-0.0759,0.1752,1.0000 10.000,1.2986,0.02205,0.01592,-0.0744,0.1556,1.0000 10.250,1.3096,0.02313,0.01691,-0.0728,0.1377,1.0000 10.500,1.3202,0.02424,0.01795,-0.0712,0.1212,1.0000 10.750,1.3303,0.02541,0.01905,-0.0697,0.1061,1.0000 11.000,1.3408,0.02657,0.02017,-0.0682,0.0932,1.0000 11.250,1.3511,0.02777,0.02133,-0.0667,0.0814,1.0000 11.500,1.3609,0.02903,0.02256,-0.0653,0.0710,1.0000 11.750,1.3710,0.03029,0.02382,-0.0639,0.0620,1.0000 12.000,1.3802,0.03164,0.02517,-0.0625,0.0542,1.0000 12.250,1.3885,0.03310,0.02662,-0.0611,0.0475,1.0000 12.500,1.3946,0.03478,0.02828,-0.0596,0.0415,1.0000 12.750,1.4044,0.03617,0.02972,-0.0584,0.0370,1.0000 13.000,1.4114,0.03786,0.03144,-0.0572,0.0329,1.0000 13.250,1.4183,0.03960,0.03320,-0.0560,0.0298,1.0000 13.500,1.4244,0.04145,0.03512,-0.0548,0.0271,1.0000 13.750,1.4315,0.04325,0.03696,-0.0539,0.0247,1.0000 14.000,1.4362,0.04533,0.03910,-0.0529,0.0226,1.0000 14.250,1.4436,0.04720,0.04104,-0.0521,0.0207,1.0000 14.500,1.4450,0.04976,0.04363,-0.0512,0.0191,1.0000 14.750,1.4519,0.05178,0.04578,-0.0507,0.0178,1.0000 15.000,1.4575,0.05398,0.04802,-0.0502,0.0162,1.0000 15.250,1.4580,0.05684,0.05097,-0.0497,0.0152,1.0000 15.500,1.4621,0.05938,0.05362,-0.0494,0.0142,1.0000 15.750,1.4651,0.06210,0.05642,-0.0492,0.0131,1.0000 16.000,1.4614,0.06574,0.06014,-0.0491,0.0123,1.0000 16.250,1.4636,0.06873,0.06326,-0.0492,0.0114,1.0000 16.500,1.4638,0.07204,0.06667,-0.0495,0.0106,1.0000 16.750,1.4554,0.07668,0.07140,-0.0501,0.0099,1.0000 17.000,1.4552,0.08026,0.07512,-0.0507,0.0092,1.0000 17.250,1.4528,0.08424,0.07922,-0.0516,0.0085,1.0000 17.500,1.4469,0.08886,0.08394,-0.0528,0.0079,1.0000 17.750,1.4336,0.09481,0.09000,-0.0546,0.0076,1.0000 18.000,1.4303,0.09928,0.09464,-0.0561,0.0071,1.0000 18.250,1.4249,0.10416,0.09964,-0.0579,0.0065,1.0000 18.500,1.4172,0.10952,0.10513,-0.0600,0.0063,1.0000 18.750,1.4079,0.11526,0.11098,-0.0625,0.0060,1.0000 19.000,1.3945,0.12183,0.11767,-0.0656,0.0058,1.0000