Xfoil polar. Reynolds number fixed. Mach number fixed Polar key,xf-naca664221-il-100000-n5 Airfoil,naca664221-il Reynolds number,100000 Ncrit,5 Mach,0 Max Cl/Cd,18.067 Max Cl/Cd alpha,10 Url,http://airfoiltools.com/polar/csv?polar=xf-naca664221-il-100000-n5 Alpha,Cl,Cd,Cdp,Cm,Top_Xtr,Bot_Xtr -17.500,-0.5636,0.10668,0.10074,-0.0994,0.9600,0.0372 -17.250,-0.5891,0.09776,0.09160,-0.1054,0.9549,0.0370 -17.000,-0.6180,0.08940,0.08294,-0.1105,0.9496,0.0369 -16.750,-0.6429,0.08240,0.07562,-0.1145,0.9447,0.0370 -16.500,-0.6627,0.07694,0.06987,-0.1166,0.9385,0.0370 -16.250,-0.6781,0.07231,0.06494,-0.1181,0.9329,0.0371 -16.000,-0.6934,0.06819,0.06048,-0.1188,0.9274,0.0372 -15.750,-0.7008,0.06495,0.05701,-0.1188,0.9214,0.0374 -15.500,-0.6982,0.06238,0.05426,-0.1189,0.9164,0.0377 -15.250,-0.6953,0.06002,0.05173,-0.1188,0.9115,0.0379 -15.000,-0.6917,0.05785,0.04939,-0.1183,0.9061,0.0382 -14.750,-0.6854,0.05584,0.04720,-0.1179,0.9014,0.0386 -14.500,-0.6771,0.05396,0.04513,-0.1175,0.8975,0.0390 -14.250,-0.6677,0.05223,0.04324,-0.1170,0.8929,0.0396 -14.000,-0.6554,0.05063,0.04146,-0.1165,0.8886,0.0401 -13.750,-0.6406,0.04916,0.03981,-0.1162,0.8850,0.0407 -13.500,-0.6264,0.04772,0.03814,-0.1157,0.8818,0.0419 -13.250,-0.6097,0.04647,0.03671,-0.1154,0.8790,0.0429 -13.000,-0.5890,0.04551,0.03577,-0.1155,0.8757,0.0439 -12.750,-0.5711,0.04457,0.03479,-0.1152,0.8724,0.0452 -12.500,-0.5512,0.04368,0.03381,-0.1150,0.8694,0.0465 -12.250,-0.5303,0.04285,0.03287,-0.1148,0.8668,0.0479 -12.000,-0.5097,0.04208,0.03203,-0.1145,0.8644,0.0491 -11.750,-0.4929,0.04122,0.03119,-0.1141,0.8622,0.0508 -11.500,-0.4765,0.04044,0.03037,-0.1136,0.8598,0.0527 -11.250,-0.4604,0.03971,0.02955,-0.1131,0.8570,0.0552 -11.000,-0.4472,0.03886,0.02873,-0.1123,0.8541,0.0573 -10.750,-0.4341,0.03806,0.02791,-0.1114,0.8514,0.0601 -10.500,-0.4209,0.03730,0.02707,-0.1104,0.8487,0.0631 -10.250,-0.4098,0.03644,0.02620,-0.1092,0.8464,0.0664 -10.000,-0.3969,0.03569,0.02536,-0.1081,0.8443,0.0714 -9.750,-0.3862,0.03485,0.02456,-0.1067,0.8423,0.0775 -9.500,-0.3754,0.03416,0.02392,-0.1055,0.8398,0.0857 -9.250,-0.3651,0.03345,0.02332,-0.1041,0.8373,0.1000 -9.000,-0.3566,0.03266,0.02276,-0.1024,0.8349,0.1303 -8.750,-0.3511,0.03175,0.02224,-0.1004,0.8326,0.1858 -8.500,-0.3489,0.03082,0.02170,-0.0978,0.8304,0.2515 -8.250,-0.3473,0.02999,0.02124,-0.0950,0.8283,0.3167 -8.000,-0.3414,0.02950,0.02116,-0.0922,0.8266,0.3861 -7.750,-0.3129,0.03028,0.02235,-0.0912,0.8255,0.4631 -7.500,-0.2678,0.03220,0.02446,-0.0916,0.8247,0.5185 -7.250,-0.2418,0.03364,0.02592,-0.0902,0.8232,0.5563 -7.000,-0.2213,0.03520,0.02745,-0.0881,0.8207,0.5795 -6.750,-0.2048,0.03613,0.02832,-0.0861,0.8180,0.5954 -6.500,-0.1921,0.03657,0.02867,-0.0840,0.8157,0.6075 -6.250,-0.1861,0.03680,0.02883,-0.0812,0.8134,0.6205 -5.750,-0.1501,0.03771,0.02956,-0.0784,0.8102,0.6380 -5.500,-0.1438,0.03788,0.02964,-0.0754,0.8085,0.6496 -5.250,-0.1156,0.03837,0.03003,-0.0755,0.8075,0.6547 -4.750,-0.0844,0.03884,0.03034,-0.0722,0.8051,0.6705 -4.250,-0.1159,0.04093,0.03250,-0.0587,0.7960,0.6872 -4.000,-0.0905,0.04157,0.03308,-0.0584,0.7945,0.6905 -3.750,-0.1090,0.04186,0.03336,-0.0513,0.7915,0.7018 -3.500,-0.0831,0.04209,0.03351,-0.0512,0.7901,0.7057 -3.250,-0.0507,0.04234,0.03369,-0.0522,0.7891,0.7087 -3.000,-0.0746,0.04215,0.03346,-0.0442,0.7870,0.7211 -1.500,-0.2068,0.04445,0.03580,0.0045,0.7598,0.7596 -1.250,-0.1820,0.04473,0.03603,0.0046,0.7572,0.7615 -1.000,-0.1559,0.04487,0.03614,0.0045,0.7550,0.7638 -0.750,-0.1343,0.04487,0.03609,0.0051,0.7531,0.7669 -0.250,-0.1745,0.04393,0.03510,0.0197,0.7431,0.7796 0.000,-0.1578,0.04404,0.03518,0.0210,0.7394,0.7815 0.250,-0.1365,0.04396,0.03507,0.0216,0.7366,0.7835 0.500,-0.1138,0.04380,0.03487,0.0220,0.7345,0.7858 0.750,-0.0904,0.04352,0.03456,0.0222,0.7328,0.7883 1.000,-0.1338,0.04274,0.03374,0.0325,0.7231,0.7955 1.250,-0.1184,0.04237,0.03334,0.0337,0.7195,0.7976 1.500,-0.0911,0.04232,0.03328,0.0334,0.7172,0.7988 1.750,-0.0612,0.04221,0.03316,0.0326,0.7154,0.8000 2.250,-0.0488,0.04227,0.03323,0.0379,0.7028,0.8033 2.500,-0.0232,0.04212,0.03307,0.0377,0.7001,0.8049 2.750,0.0059,0.04192,0.03287,0.0370,0.6981,0.8065 3.250,0.0229,0.04185,0.03281,0.0410,0.6849,0.8105 3.500,0.0515,0.04157,0.03254,0.0403,0.6822,0.8119 3.750,0.0828,0.04126,0.03224,0.0391,0.6803,0.8132 4.000,0.0793,0.04150,0.03248,0.0422,0.6693,0.8159 4.250,0.1080,0.04136,0.03238,0.0418,0.6661,0.8169 4.500,0.1399,0.04115,0.03222,0.0409,0.6639,0.8179 4.750,0.1416,0.04159,0.03271,0.0437,0.6531,0.8194 5.000,0.1707,0.04138,0.03255,0.0431,0.6496,0.8204 5.250,0.2038,0.04105,0.03228,0.0421,0.6473,0.8215 5.500,0.2067,0.04150,0.03279,0.0446,0.6357,0.8232 5.750,0.2379,0.04118,0.03253,0.0438,0.6325,0.8244 6.250,0.2759,0.04122,0.03271,0.0448,0.6178,0.8276 6.750,0.3177,0.04114,0.03276,0.0454,0.6029,0.8310 7.250,0.3629,0.04089,0.03267,0.0456,0.5876,0.8349 7.750,0.4076,0.04049,0.03250,0.0466,0.5719,0.8379 8.250,0.4543,0.03992,0.03216,0.0474,0.5556,0.8411 8.750,0.5043,0.03907,0.03155,0.0480,0.5376,0.8448 9.000,0.5264,0.03868,0.03126,0.0486,0.5222,0.8469 9.250,0.5571,0.03736,0.02995,0.0490,0.4975,0.8489 9.500,0.5880,0.03611,0.02857,0.0494,0.4574,0.8511 9.750,0.6192,0.03513,0.02735,0.0496,0.4096,0.8530 10.000,0.6365,0.03523,0.02726,0.0509,0.3657,0.8549 10.250,0.6468,0.03589,0.02767,0.0526,0.3187,0.8570 10.500,0.6522,0.03700,0.02853,0.0544,0.2713,0.8594 10.750,0.6562,0.03834,0.02960,0.0561,0.2241,0.8621 11.000,0.6582,0.03992,0.03089,0.0577,0.1747,0.8652 11.250,0.6615,0.04157,0.03223,0.0591,0.1305,0.8683 11.500,0.6662,0.04318,0.03360,0.0602,0.1000,0.8712 11.750,0.6723,0.04462,0.03496,0.0615,0.0835,0.8739 12.000,0.6791,0.04608,0.03639,0.0626,0.0730,0.8769 12.250,0.6869,0.04753,0.03783,0.0634,0.0666,0.8801 12.500,0.6951,0.04904,0.03937,0.0641,0.0609,0.8835 12.750,0.7041,0.05055,0.04092,0.0646,0.0570,0.8869 13.000,0.7118,0.05206,0.04249,0.0653,0.0535,0.8901 13.250,0.7199,0.05356,0.04407,0.0660,0.0508,0.8936 13.500,0.7292,0.05504,0.04562,0.0665,0.0485,0.8975 13.750,0.7384,0.05658,0.04718,0.0668,0.0468,0.9018 14.000,0.7487,0.05804,0.04874,0.0672,0.0446,0.9059 14.250,0.7598,0.05939,0.05019,0.0676,0.0431,0.9103 14.500,0.7715,0.06078,0.05162,0.0678,0.0417,0.9154 14.750,0.7839,0.06214,0.05296,0.0679,0.0406,0.9207 15.000,0.7979,0.06344,0.05444,0.0681,0.0391,0.9263 15.250,0.8110,0.06489,0.05601,0.0680,0.0377,0.9331 15.500,0.8249,0.06640,0.05761,0.0676,0.0366,0.9400 15.750,0.8406,0.06787,0.05911,0.0669,0.0356,0.9480 16.000,0.8587,0.06947,0.06084,0.0659,0.0349,0.9562 16.250,0.8744,0.07147,0.06308,0.0647,0.0341,0.9663 16.500,0.8847,0.07333,0.06515,0.0639,0.0335,1.0000 16.750,0.8940,0.07571,0.06768,0.0633,0.0330,1.0000 17.000,0.9013,0.07831,0.07043,0.0625,0.0326,1.0000 17.250,0.9060,0.08118,0.07348,0.0617,0.0322,1.0000 17.500,0.9087,0.08432,0.07678,0.0608,0.0319,1.0000 17.750,0.9095,0.08764,0.08025,0.0597,0.0316,1.0000 18.000,0.9087,0.09121,0.08397,0.0584,0.0313,1.0000 18.250,0.9064,0.09501,0.08791,0.0570,0.0311,1.0000 18.500,0.9059,0.09860,0.09160,0.0555,0.0307,1.0000 18.750,0.8940,0.10381,0.09702,0.0533,0.0306,1.0000 19.000,0.8722,0.11068,0.10418,0.0500,0.0304,1.0000