Xfoil polar. Reynolds number fixed. Mach number fixed Polar key,xf-naca643618-il-1000000 Airfoil,naca643618-il Reynolds number,1000000 Ncrit,9 Mach,0 Max Cl/Cd,136.327 Max Cl/Cd alpha,6.5 Url,http://airfoiltools.com/polar/csv?polar=xf-naca643618-il-1000000 Alpha,Cl,Cd,Cdp,Cm,Top_Xtr,Bot_Xtr -19.750,-0.9089,0.09708,0.09407,-0.0703,1.0000,0.0177 -19.500,-0.9248,0.09089,0.08778,-0.0737,1.0000,0.0178 -19.250,-0.9364,0.08543,0.08222,-0.0767,1.0000,0.0179 -19.000,-0.9464,0.08037,0.07708,-0.0795,1.0000,0.0180 -18.750,-0.9526,0.07597,0.07260,-0.0818,1.0000,0.0181 -18.500,-0.9577,0.07181,0.06837,-0.0840,1.0000,0.0183 -18.250,-0.9630,0.06776,0.06425,-0.0861,1.0000,0.0184 -18.000,-0.9634,0.06441,0.06084,-0.0878,1.0000,0.0186 -17.750,-0.9664,0.06090,0.05725,-0.0894,1.0000,0.0188 -17.500,-0.9678,0.05768,0.05396,-0.0907,1.0000,0.0189 -17.250,-0.9669,0.05481,0.05102,-0.0919,1.0000,0.0191 -17.000,-0.9661,0.05203,0.04817,-0.0930,1.0000,0.0193 -16.750,-0.9647,0.04942,0.04548,-0.0938,1.0000,0.0195 -16.500,-0.9610,0.04712,0.04310,-0.0945,1.0000,0.0198 -16.250,-0.9584,0.04482,0.04072,-0.0950,1.0000,0.0200 -16.000,-0.9526,0.04286,0.03869,-0.0954,1.0000,0.0203 -15.750,-0.9466,0.04106,0.03682,-0.0957,1.0000,0.0204 -15.500,-0.9436,0.03913,0.03482,-0.0956,1.0000,0.0206 -15.250,-0.9469,0.03683,0.03246,-0.0950,1.0000,0.0210 -15.000,-0.9449,0.03507,0.03068,-0.0945,1.0000,0.0213 -14.750,-0.9416,0.03356,0.02913,-0.0936,1.0000,0.0215 -14.500,-0.9383,0.03221,0.02777,-0.0925,1.0000,0.0217 -14.250,-0.9161,0.03073,0.02625,-0.0949,0.9985,0.0221 -14.000,-0.8937,0.02932,0.02480,-0.0969,0.9873,0.0225 -13.750,-0.8687,0.02790,0.02332,-0.0995,0.9775,0.0229 -13.250,-0.7989,0.02545,0.02071,-0.1077,0.9604,0.0239 -13.000,-0.7597,0.02379,0.01897,-0.1134,0.9524,0.0246 -12.750,-0.7190,0.02236,0.01748,-0.1190,0.9387,0.0252 -12.500,-0.6864,0.02148,0.01650,-0.1222,0.9188,0.0258 -12.250,-0.6675,0.02080,0.01571,-0.1223,0.8986,0.0264 -12.000,-0.6542,0.02009,0.01489,-0.1214,0.8815,0.0268 -11.750,-0.6410,0.01945,0.01413,-0.1202,0.8668,0.0273 -11.500,-0.6276,0.01881,0.01342,-0.1191,0.8543,0.0277 -11.250,-0.6134,0.01824,0.01276,-0.1179,0.8433,0.0280 -11.000,-0.6081,0.01726,0.01169,-0.1159,0.8318,0.0286 -10.750,-0.5987,0.01651,0.01090,-0.1142,0.8221,0.0292 -10.500,-0.5885,0.01593,0.01025,-0.1123,0.8127,0.0297 -10.250,-0.5796,0.01544,0.00972,-0.1101,0.8042,0.0303 -10.000,-0.5648,0.01500,0.00920,-0.1088,0.7959,0.0309 -9.750,-0.5463,0.01458,0.00874,-0.1079,0.7889,0.0315 -9.500,-0.5258,0.01425,0.00834,-0.1071,0.7816,0.0321 -9.250,-0.5055,0.01388,0.00790,-0.1064,0.7748,0.0326 -9.000,-0.4867,0.01330,0.00730,-0.1056,0.7683,0.0338 -8.750,-0.4641,0.01298,0.00694,-0.1052,0.7616,0.0349 -8.500,-0.4403,0.01268,0.00660,-0.1048,0.7555,0.0359 -8.250,-0.4156,0.01241,0.00629,-0.1046,0.7492,0.0369 -8.000,-0.3917,0.01209,0.00590,-0.1044,0.7427,0.0379 -7.750,-0.3673,0.01172,0.00552,-0.1042,0.7367,0.0396 -7.500,-0.3414,0.01148,0.00526,-0.1042,0.7303,0.0414 -7.250,-0.3153,0.01129,0.00501,-0.1041,0.7238,0.0428 -7.000,-0.2895,0.01095,0.00466,-0.1041,0.7179,0.0455 -6.750,-0.2627,0.01073,0.00442,-0.1042,0.7117,0.0482 -6.500,-0.2362,0.01049,0.00415,-0.1042,0.7056,0.0519 -6.250,-0.2087,0.01028,0.00394,-0.1044,0.7002,0.0563 -6.000,-0.1814,0.01001,0.00370,-0.1047,0.6943,0.0643 -5.750,-0.1544,0.00976,0.00346,-0.1048,0.6883,0.0766 -5.500,-0.1266,0.00947,0.00325,-0.1052,0.6831,0.0946 -5.250,-0.0988,0.00915,0.00303,-0.1056,0.6774,0.1206 -5.000,-0.0713,0.00880,0.00280,-0.1060,0.6716,0.1590 -4.750,-0.0432,0.00833,0.00254,-0.1066,0.6665,0.2183 -4.500,-0.0148,0.00767,0.00223,-0.1075,0.6612,0.3099 -4.250,0.0140,0.00708,0.00200,-0.1085,0.6557,0.4170 -4.000,0.0433,0.00699,0.00196,-0.1089,0.6505,0.4540 -3.750,0.0731,0.00694,0.00193,-0.1094,0.6457,0.4709 -3.500,0.1026,0.00694,0.00190,-0.1098,0.6404,0.4828 -3.250,0.1316,0.00698,0.00189,-0.1100,0.6349,0.4928 -3.000,0.1614,0.00695,0.00187,-0.1105,0.6304,0.5011 -2.750,0.1910,0.00697,0.00187,-0.1108,0.6254,0.5100 -2.500,0.2202,0.00699,0.00187,-0.1112,0.6205,0.5184 -2.250,0.2494,0.00704,0.00188,-0.1115,0.6159,0.5257 -2.000,0.2792,0.00705,0.00189,-0.1119,0.6118,0.5344 -1.750,0.3087,0.00710,0.00194,-0.1122,0.6074,0.5445 -1.500,0.3378,0.00716,0.00195,-0.1125,0.6030,0.5494 -1.250,0.3669,0.00717,0.00196,-0.1129,0.5987,0.5532 -1.000,0.3965,0.00717,0.00197,-0.1133,0.5952,0.5568 -0.750,0.4259,0.00720,0.00199,-0.1136,0.5913,0.5604 -0.500,0.4551,0.00725,0.00200,-0.1139,0.5873,0.5636 -0.250,0.4839,0.00734,0.00203,-0.1142,0.5831,0.5661 0.000,0.5133,0.00733,0.00205,-0.1146,0.5801,0.5698 0.250,0.5428,0.00733,0.00207,-0.1150,0.5768,0.5731 0.500,0.5719,0.00736,0.00211,-0.1154,0.5732,0.5764 0.750,0.6008,0.00742,0.00215,-0.1156,0.5697,0.5797 1.000,0.6295,0.00752,0.00221,-0.1159,0.5659,0.5828 1.250,0.6588,0.00755,0.00225,-0.1163,0.5633,0.5861 1.500,0.6881,0.00756,0.00231,-0.1167,0.5607,0.5904 1.750,0.7173,0.00760,0.00237,-0.1170,0.5579,0.5946 2.000,0.7461,0.00766,0.00243,-0.1173,0.5547,0.5989 2.250,0.7745,0.00775,0.00250,-0.1175,0.5509,0.6026 2.500,0.8031,0.00782,0.00258,-0.1178,0.5471,0.6072 2.750,0.8321,0.00784,0.00266,-0.1181,0.5444,0.6119 3.000,0.8610,0.00789,0.00273,-0.1185,0.5416,0.6166 3.250,0.8897,0.00796,0.00281,-0.1187,0.5387,0.6210 3.500,0.9180,0.00803,0.00291,-0.1190,0.5357,0.6261 3.750,0.9458,0.00816,0.00303,-0.1191,0.5312,0.6313 4.000,0.9743,0.00817,0.00310,-0.1193,0.5272,0.6367 4.250,1.0024,0.00822,0.00317,-0.1195,0.5221,0.6416 4.500,1.0294,0.00832,0.00328,-0.1195,0.5161,0.6475 4.750,1.0572,0.00837,0.00338,-0.1196,0.5101,0.6535 5.000,1.0849,0.00844,0.00347,-0.1197,0.5048,0.6590 5.250,1.1116,0.00856,0.00360,-0.1196,0.4994,0.6653 5.500,1.1390,0.00862,0.00372,-0.1197,0.4928,0.6719 5.750,1.1647,0.00876,0.00384,-0.1194,0.4832,0.6781 6.000,1.1915,0.00885,0.00398,-0.1194,0.4752,0.6849 6.250,1.2172,0.00899,0.00414,-0.1192,0.4672,0.6917 6.500,1.2433,0.00912,0.00429,-0.1190,0.4591,0.6980 6.750,1.2672,0.00931,0.00448,-0.1185,0.4470,0.7049 7.000,1.2908,0.00952,0.00469,-0.1179,0.4311,0.7120 7.250,1.3089,0.00994,0.00499,-0.1163,0.3953,0.7187 7.500,1.3140,0.01088,0.00564,-0.1126,0.3395,0.7260 7.750,1.3151,0.01177,0.00629,-0.1081,0.2947,0.7333 8.000,1.3126,0.01277,0.00708,-0.1031,0.2515,0.7410 8.250,1.3137,0.01371,0.00787,-0.0990,0.2182,0.7493 8.500,1.3157,0.01467,0.00871,-0.0952,0.1910,0.7572 8.750,1.3187,0.01566,0.00960,-0.0918,0.1663,0.7661 9.000,1.3217,0.01673,0.01059,-0.0886,0.1451,0.7747 9.250,1.3252,0.01785,0.01166,-0.0857,0.1259,0.7845 9.500,1.3291,0.01904,0.01280,-0.0830,0.1101,0.7942 9.750,1.3335,0.02028,0.01401,-0.0806,0.0964,0.8051 10.000,1.3378,0.02159,0.01530,-0.0783,0.0840,0.8163 10.250,1.3436,0.02288,0.01659,-0.0763,0.0741,0.8280 10.750,1.3544,0.02566,0.01939,-0.0725,0.0570,0.8555 11.000,1.3599,0.02706,0.02084,-0.0708,0.0505,0.8732 11.250,1.3642,0.02846,0.02231,-0.0688,0.0454,0.8996 11.500,1.3664,0.02980,0.02378,-0.0666,0.0411,1.0000 11.750,1.3735,0.03146,0.02543,-0.0656,0.0373,1.0000 12.000,1.3824,0.03299,0.02699,-0.0647,0.0346,1.0000 12.250,1.3886,0.03480,0.02880,-0.0638,0.0320,1.0000 12.500,1.3976,0.03641,0.03044,-0.0631,0.0302,1.0000 12.750,1.4050,0.03820,0.03224,-0.0623,0.0284,1.0000 13.000,1.4116,0.04012,0.03419,-0.0617,0.0268,1.0000 13.250,1.4205,0.04185,0.03596,-0.0611,0.0254,1.0000 13.500,1.4265,0.04389,0.03803,-0.0606,0.0241,1.0000 13.750,1.4327,0.04598,0.04015,-0.0601,0.0229,1.0000 14.000,1.4413,0.04785,0.04206,-0.0598,0.0218,1.0000 14.250,1.4476,0.05000,0.04425,-0.0595,0.0208,1.0000 14.500,1.4505,0.05255,0.04683,-0.0591,0.0198,1.0000 14.750,1.4591,0.05454,0.04888,-0.0590,0.0191,1.0000 15.000,1.4666,0.05667,0.05105,-0.0589,0.0184,1.0000 15.250,1.4719,0.05910,0.05352,-0.0588,0.0177,1.0000 15.500,1.4753,0.06176,0.05622,-0.0588,0.0170,1.0000 15.750,1.4778,0.06462,0.05914,-0.0588,0.0166,1.0000 16.000,1.4847,0.06696,0.06154,-0.0590,0.0162,1.0000 16.250,1.4900,0.06955,0.06419,-0.0592,0.0157,1.0000 16.500,1.4956,0.07213,0.06683,-0.0595,0.0153,1.0000 16.750,1.4992,0.07500,0.06975,-0.0598,0.0150,1.0000 17.000,1.5028,0.07788,0.07269,-0.0603,0.0147,1.0000 17.250,1.5027,0.08136,0.07622,-0.0608,0.0143,1.0000 17.500,1.4991,0.08537,0.08031,-0.0616,0.0139,1.0000