Xfoil polar. Reynolds number fixed. Mach number fixed Polar key,xf-naca634221-il-200000 Airfoil,naca634221-il Reynolds number,200000 Ncrit,9 Mach,0 Max Cl/Cd,58.1432 Max Cl/Cd alpha,9.5 Url,http://www.airfoiltools.com/polar/csv?polar=xf-naca634221-il-200000 Alpha,Cl,Cd,Cdp,Cm,Top_Xtr,Bot_Xtr -19.750,-1.0240,0.10041,0.09495,-0.0441,1.0000,0.0497 -19.500,-1.0478,0.09363,0.08790,-0.0477,1.0000,0.0500 -19.250,-1.0316,0.09239,0.08675,-0.0477,1.0000,0.0513 -19.000,-1.0290,0.08944,0.08376,-0.0489,1.0000,0.0522 -18.750,-1.0323,0.08573,0.07993,-0.0505,1.0000,0.0531 -18.500,-1.0364,0.08194,0.07600,-0.0521,1.0000,0.0540 -18.250,-1.0422,0.07802,0.07190,-0.0536,1.0000,0.0548 -18.000,-1.0516,0.07385,0.06750,-0.0552,1.0000,0.0557 -17.750,-1.0610,0.06988,0.06329,-0.0567,1.0000,0.0564 -17.500,-1.0345,0.06960,0.06317,-0.0560,1.0000,0.0581 -17.250,-1.0257,0.06767,0.06123,-0.0564,1.0000,0.0595 -17.000,-1.0227,0.06513,0.05858,-0.0572,1.0000,0.0608 -16.750,-1.0196,0.06259,0.05590,-0.0577,1.0000,0.0621 -16.500,-1.0200,0.05981,0.05292,-0.0584,1.0000,0.0632 -16.250,-0.9974,0.05917,0.05239,-0.0579,1.0000,0.0651 -16.000,-0.9842,0.05779,0.05103,-0.0579,1.0000,0.0667 -15.750,-0.9750,0.05601,0.04919,-0.0581,1.0000,0.0684 -15.500,-0.9670,0.05412,0.04718,-0.0583,1.0000,0.0700 -15.250,-0.9546,0.05265,0.04567,-0.0582,1.0000,0.0720 -15.000,-0.9394,0.05156,0.04468,-0.0580,1.0000,0.0742 -14.750,-0.9284,0.05005,0.04316,-0.0581,1.0000,0.0765 -14.500,-0.9196,0.04834,0.04134,-0.0582,1.0000,0.0788 -14.250,-0.9033,0.04736,0.04042,-0.0577,1.0000,0.0815 -14.000,-0.8906,0.04611,0.03923,-0.0575,1.0000,0.0840 -13.750,-0.8792,0.04471,0.03781,-0.0574,1.0000,0.0871 -13.500,-0.8668,0.04344,0.03654,-0.0570,1.0000,0.0903 -13.250,-0.8566,0.04205,0.03524,-0.0568,1.0000,0.0938 -13.000,-0.8466,0.04059,0.03377,-0.0566,1.0000,0.0980 -12.750,-0.8381,0.03911,0.03238,-0.0562,1.0000,0.1025 -12.500,-0.8311,0.03748,0.03079,-0.0561,1.0000,0.1084 -12.250,-0.8261,0.03579,0.02919,-0.0559,1.0000,0.1149 -12.000,-0.8201,0.03419,0.02761,-0.0558,1.0000,0.1232 -11.750,-0.8170,0.03225,0.02583,-0.0561,0.9874,0.1325 -11.500,-0.7940,0.02989,0.02350,-0.0607,0.9578,0.1498 -11.250,-0.7770,0.02752,0.02119,-0.0641,0.9366,0.1687 -11.000,-0.7728,0.02568,0.01939,-0.0642,0.9161,0.1858 -10.750,-0.7746,0.02412,0.01785,-0.0626,0.8989,0.2029 -10.500,-0.7795,0.02271,0.01647,-0.0601,0.8844,0.2213 -10.250,-0.7848,0.02138,0.01521,-0.0573,0.8704,0.2414 -10.000,-0.7893,0.02022,0.01408,-0.0544,0.8587,0.2630 -9.750,-0.7961,0.01916,0.01308,-0.0506,0.8484,0.2843 -9.500,-0.8027,0.01844,0.01245,-0.0465,0.8377,0.3056 -9.250,-0.8007,0.01792,0.01195,-0.0431,0.8297,0.3306 -9.000,-0.7911,0.01753,0.01166,-0.0408,0.8211,0.3552 -8.750,-0.7768,0.01729,0.01141,-0.0390,0.8137,0.3779 -8.500,-0.7594,0.01717,0.01122,-0.0375,0.8077,0.3972 -8.250,-0.7388,0.01710,0.01114,-0.0366,0.7999,0.4140 -8.000,-0.7169,0.01709,0.01108,-0.0356,0.7936,0.4287 -7.750,-0.6942,0.01715,0.01105,-0.0348,0.7880,0.4423 -7.500,-0.6715,0.01719,0.01100,-0.0342,0.7808,0.4558 -7.250,-0.6453,0.01741,0.01122,-0.0336,0.7750,0.4673 -7.000,-0.6199,0.01755,0.01127,-0.0330,0.7702,0.4777 -6.750,-0.5939,0.01771,0.01140,-0.0328,0.7633,0.4876 -6.500,-0.5669,0.01781,0.01147,-0.0325,0.7572,0.4956 -6.250,-0.5394,0.01799,0.01159,-0.0321,0.7524,0.5037 -6.000,-0.5139,0.01800,0.01149,-0.0319,0.7473,0.5117 -5.750,-0.4845,0.01820,0.01175,-0.0319,0.7408,0.5173 -5.500,-0.4582,0.01819,0.01163,-0.0316,0.7354,0.5246 -5.250,-0.4313,0.01813,0.01145,-0.0314,0.7310,0.5306 -5.000,-0.4020,0.01839,0.01176,-0.0314,0.7255,0.5360 -4.750,-0.3754,0.01849,0.01181,-0.0313,0.7197,0.5440 -4.500,-0.3476,0.01850,0.01177,-0.0312,0.7149,0.5500 -4.250,-0.3184,0.01860,0.01182,-0.0311,0.7109,0.5542 -4.000,-0.2911,0.01861,0.01183,-0.0311,0.7051,0.5592 -3.750,-0.2655,0.01839,0.01147,-0.0313,0.6995,0.5655 -3.500,-0.2368,0.01833,0.01140,-0.0313,0.6951,0.5689 -3.250,-0.2077,0.01837,0.01140,-0.0313,0.6915,0.5726 -3.000,-0.1801,0.01842,0.01145,-0.0314,0.6864,0.5771 -2.750,-0.1535,0.01829,0.01126,-0.0317,0.6809,0.5827 -2.500,-0.1257,0.01813,0.01103,-0.0318,0.6763,0.5870 -2.250,-0.0966,0.01813,0.01100,-0.0318,0.6726,0.5902 -2.000,-0.0686,0.01820,0.01108,-0.0319,0.6682,0.5942 -1.750,-0.0415,0.01819,0.01107,-0.0321,0.6629,0.5990 -1.500,-0.0139,0.01805,0.01081,-0.0326,0.6585,0.6046 -1.250,0.0149,0.01799,0.01077,-0.0326,0.6548,0.6077 -1.000,0.0441,0.01803,0.01076,-0.0327,0.6515,0.6110 -0.750,0.0707,0.01811,0.01091,-0.0328,0.6460,0.6152 -0.500,0.0983,0.01807,0.01084,-0.0331,0.6412,0.6204 -0.250,0.1268,0.01796,0.01066,-0.0335,0.6374,0.6250 0.000,0.1558,0.01795,0.01064,-0.0336,0.6342,0.6280 0.250,0.1840,0.01807,0.01078,-0.0337,0.6307,0.6318 0.500,0.2103,0.01818,0.01096,-0.0338,0.6254,0.6365 0.750,0.2384,0.01815,0.01089,-0.0342,0.6208,0.6419 1.000,0.2672,0.01809,0.01081,-0.0345,0.6174,0.6457 1.250,0.2964,0.01812,0.01084,-0.0346,0.6144,0.6491 1.500,0.3233,0.01830,0.01107,-0.0346,0.6103,0.6532 1.750,0.3495,0.01842,0.01125,-0.0347,0.6052,0.6585 2.000,0.3780,0.01843,0.01122,-0.0352,0.6011,0.6641 2.250,0.4065,0.01843,0.01126,-0.0352,0.5977,0.6676 2.500,0.4364,0.01848,0.01129,-0.0354,0.5947,0.6716 2.750,0.4612,0.01871,0.01162,-0.0353,0.5898,0.6765 3.000,0.4882,0.01882,0.01175,-0.0356,0.5849,0.6823 3.250,0.5160,0.01882,0.01179,-0.0357,0.5810,0.6865 3.500,0.5452,0.01885,0.01184,-0.0357,0.5778,0.6908 3.750,0.5739,0.01899,0.01199,-0.0359,0.5742,0.6961 4.000,0.5978,0.01924,0.01233,-0.0359,0.5687,0.7024 4.250,0.6243,0.01930,0.01246,-0.0358,0.5641,0.7066 4.500,0.6528,0.01931,0.01250,-0.0358,0.5605,0.7110 4.750,0.6842,0.01932,0.01248,-0.0362,0.5573,0.7165 5.000,0.7072,0.01964,0.01291,-0.0361,0.5518,0.7232 5.250,0.7313,0.01974,0.01313,-0.0355,0.5465,0.7277 5.500,0.7597,0.01972,0.01315,-0.0354,0.5424,0.7328 5.750,0.7937,0.01959,0.01292,-0.0362,0.5383,0.7391 6.000,0.8129,0.01974,0.01325,-0.0353,0.5302,0.7449 6.250,0.8406,0.01954,0.01309,-0.0349,0.5243,0.7499 6.500,0.8729,0.01944,0.01293,-0.0354,0.5198,0.7561 6.750,0.8923,0.01967,0.01332,-0.0346,0.5123,0.7633 7.000,0.9184,0.01954,0.01326,-0.0340,0.5063,0.7682 7.250,0.9484,0.01944,0.01313,-0.0342,0.5009,0.7743 7.500,0.9681,0.01958,0.01342,-0.0333,0.4926,0.7820 7.750,0.9956,0.01934,0.01319,-0.0328,0.4859,0.7874 8.000,1.0150,0.01944,0.01341,-0.0315,0.4778,0.7944 8.250,1.0407,0.01931,0.01329,-0.0312,0.4694,0.8019 8.500,1.0586,0.01928,0.01338,-0.0295,0.4601,0.8081 8.750,1.0807,0.01911,0.01319,-0.0285,0.4496,0.8161 9.000,1.0927,0.01918,0.01340,-0.0261,0.4377,0.8239 9.250,1.1080,0.01919,0.01345,-0.0240,0.4265,0.8320 9.500,1.1210,0.01928,0.01355,-0.0218,0.4144,0.8407 9.750,1.1233,0.01950,0.01390,-0.0179,0.4026,0.8504 10.000,1.1273,0.01979,0.01424,-0.0145,0.3906,0.8610 10.250,1.1303,0.02024,0.01470,-0.0112,0.3773,0.8734 10.500,1.1277,0.02084,0.01537,-0.0073,0.3630,0.8866 10.750,1.1247,0.02161,0.01618,-0.0038,0.3474,0.9028 11.000,1.1216,0.02254,0.01712,-0.0005,0.3307,0.9241 11.250,1.1242,0.02379,0.01836,0.0008,0.3106,0.9589 11.500,1.1301,0.02552,0.02003,0.0003,0.2881,1.0000 11.750,1.1311,0.02755,0.02195,0.0005,0.2671,1.0000 12.000,1.1294,0.02977,0.02404,0.0010,0.2477,1.0000 12.250,1.1263,0.03213,0.02629,0.0017,0.2296,1.0000 12.500,1.1226,0.03459,0.02864,0.0023,0.2129,1.0000 12.750,1.1191,0.03711,0.03108,0.0028,0.1974,1.0000 13.000,1.1161,0.03972,0.03362,0.0032,0.1828,1.0000 13.250,1.1136,0.04237,0.03621,0.0035,0.1694,1.0000 13.500,1.1116,0.04507,0.03885,0.0037,0.1568,1.0000 13.750,1.1098,0.04783,0.04155,0.0037,0.1452,1.0000 14.000,1.1072,0.05074,0.04439,0.0037,0.1347,1.0000 14.250,1.1052,0.05367,0.04724,0.0036,0.1250,1.0000 14.500,1.1067,0.05635,0.04992,0.0034,0.1159,1.0000 14.750,1.1070,0.05915,0.05267,0.0032,0.1083,1.0000 15.000,1.1087,0.06186,0.05532,0.0029,0.1019,1.0000 15.250,1.1126,0.06438,0.05786,0.0026,0.0960,1.0000 15.500,1.1161,0.06693,0.06034,0.0022,0.0911,1.0000 15.750,1.1227,0.06918,0.06261,0.0020,0.0867,1.0000 16.000,1.1285,0.07160,0.06504,0.0015,0.0830,1.0000 16.250,1.1371,0.07352,0.06687,0.0014,0.0795,1.0000 16.500,1.1434,0.07599,0.06945,0.0008,0.0764,1.0000 16.750,1.1502,0.07833,0.07178,0.0002,0.0736,1.0000 17.000,1.1604,0.08010,0.07348,0.0000,0.0709,1.0000 17.250,1.1651,0.08286,0.07637,-0.0008,0.0685,1.0000 17.500,1.1717,0.08532,0.07885,-0.0016,0.0661,1.0000 17.750,1.1859,0.08653,0.07994,-0.0016,0.0640,1.0000 18.000,1.1900,0.08942,0.08297,-0.0025,0.0623,1.0000 18.250,1.1954,0.09212,0.08578,-0.0034,0.0605,1.0000 18.500,1.2035,0.09437,0.08805,-0.0041,0.0589,1.0000 18.750,1.2182,0.09556,0.08915,-0.0043,0.0572,1.0000 19.000,1.2241,0.09818,0.09188,-0.0051,0.0558,1.0000 19.250,1.2252,0.10159,0.09546,-0.0064,0.0545,1.0000