Xfoil polar. Reynolds number fixed. Mach number fixed Polar key,xf-naca643618-il-50000-n5 Airfoil,naca643618-il Reynolds number,50000 Ncrit,5 Mach,0 Max Cl/Cd,14.9444 Max Cl/Cd alpha,12.75 Url,http://airfoiltools.com/polar/csv?polar=xf-naca643618-il-50000-n5 Alpha,Cl,Cd,Cdp,Cm,Top_Xtr,Bot_Xtr -12.750,-0.3808,0.11106,0.10349,-0.0670,1.0000,0.0755 -12.500,-0.3972,0.10460,0.09711,-0.0693,1.0000,0.0755 -12.250,-0.4243,0.09659,0.08917,-0.0727,1.0000,0.0753 -12.000,-0.4629,0.08854,0.08119,-0.0759,1.0000,0.0746 -11.750,-0.5075,0.08207,0.07476,-0.0773,1.0000,0.0737 -11.500,-0.5551,0.07727,0.06996,-0.0766,1.0000,0.0726 -11.250,-0.6040,0.07370,0.06636,-0.0745,1.0000,0.0716 -11.000,-0.6392,0.06959,0.06210,-0.0749,0.9952,0.0712 -10.750,-0.6494,0.06523,0.05745,-0.0787,0.9835,0.0719 -10.500,-0.6549,0.06156,0.05348,-0.0811,0.9716,0.0728 -10.250,-0.6537,0.05804,0.04961,-0.0827,0.9603,0.0739 -10.000,-0.6476,0.05479,0.04596,-0.0840,0.9501,0.0750 -9.750,-0.6333,0.05161,0.04230,-0.0857,0.9422,0.0764 -9.500,-0.6215,0.04928,0.03962,-0.0856,0.9326,0.0781 -9.250,-0.5919,0.04749,0.03778,-0.0874,0.9267,0.0810 -9.000,-0.5696,0.04577,0.03585,-0.0879,0.9192,0.0838 -8.750,-0.5439,0.04398,0.03375,-0.0886,0.9121,0.0866 -8.500,-0.5071,0.04232,0.03194,-0.0906,0.9079,0.0905 -8.250,-0.4838,0.04133,0.03091,-0.0902,0.8999,0.0946 -8.000,-0.4501,0.04017,0.02950,-0.0910,0.8941,0.0999 -7.750,-0.4107,0.03908,0.02849,-0.0928,0.8903,0.1066 -7.500,-0.3896,0.03840,0.02764,-0.0917,0.8822,0.1132 -7.250,-0.3651,0.03750,0.02684,-0.0916,0.8752,0.1206 -7.000,-0.3356,0.03641,0.02572,-0.0925,0.8705,0.1321 -6.750,-0.3317,0.03588,0.02520,-0.0895,0.8595,0.1410 -6.500,-0.3113,0.03472,0.02412,-0.0896,0.8535,0.1575 -6.250,-0.3082,0.03395,0.02346,-0.0869,0.8434,0.1733 -6.000,-0.2955,0.03256,0.02234,-0.0864,0.8364,0.2062 -5.750,-0.2900,0.03126,0.02151,-0.0847,0.8283,0.2612 -5.500,-0.2814,0.03101,0.02228,-0.0813,0.8204,0.3724 -5.250,-0.2529,0.03149,0.02275,-0.0807,0.8157,0.4725 -5.000,-0.2424,0.03208,0.02321,-0.0778,0.8065,0.5090 -4.750,-0.2191,0.03281,0.02377,-0.0762,0.8005,0.5419 -4.500,-0.1884,0.03384,0.02467,-0.0745,0.7967,0.5680 -4.250,-0.1811,0.03471,0.02548,-0.0704,0.7876,0.5863 -4.000,-0.1589,0.03565,0.02631,-0.0676,0.7821,0.6067 -3.750,-0.1303,0.03642,0.02694,-0.0657,0.7785,0.6264 -3.500,-0.1256,0.03694,0.02739,-0.0620,0.7700,0.6411 -3.250,-0.1058,0.03728,0.02761,-0.0601,0.7643,0.6538 -3.000,-0.0770,0.03726,0.02741,-0.0598,0.7606,0.6630 -2.750,-0.0682,0.03743,0.02750,-0.0574,0.7532,0.6713 -2.500,-0.0519,0.03736,0.02729,-0.0565,0.7470,0.6792 -2.250,-0.0254,0.03731,0.02711,-0.0562,0.7433,0.6851 -2.000,0.0060,0.03700,0.02662,-0.0575,0.7406,0.6926 -1.750,0.0002,0.03754,0.02714,-0.0538,0.7308,0.6987 -1.500,0.0246,0.03753,0.02703,-0.0534,0.7267,0.7040 -1.250,0.0561,0.03732,0.02667,-0.0546,0.7237,0.7107 -1.000,0.0576,0.03782,0.02714,-0.0522,0.7157,0.7167 -0.750,0.0730,0.03813,0.02740,-0.0509,0.7106,0.7216 -0.500,0.1002,0.03814,0.02731,-0.0515,0.7074,0.7271 -0.250,0.1349,0.03799,0.02703,-0.0536,0.7051,0.7333 0.000,0.1262,0.03910,0.02817,-0.0497,0.6960,0.7379 0.250,0.1469,0.03937,0.02839,-0.0493,0.6916,0.7431 0.500,0.1771,0.03943,0.02837,-0.0506,0.6887,0.7491 0.750,0.2096,0.03946,0.02832,-0.0519,0.6867,0.7541 1.000,0.2011,0.04102,0.02993,-0.0488,0.6783,0.7593 1.250,0.2226,0.04148,0.03035,-0.0489,0.6739,0.7655 1.500,0.2522,0.04169,0.03052,-0.0500,0.6709,0.7719 1.750,0.2806,0.04181,0.03062,-0.0502,0.6687,0.7772 2.000,0.2763,0.04352,0.03236,-0.0482,0.6606,0.7839 2.250,0.2986,0.04412,0.03295,-0.0487,0.6563,0.7903 2.500,0.3234,0.04442,0.03326,-0.0486,0.6531,0.7964 2.750,0.3545,0.04463,0.03346,-0.0495,0.6508,0.8040 3.000,0.3486,0.04640,0.03529,-0.0472,0.6423,0.8116 3.250,0.3692,0.04700,0.03591,-0.0470,0.6379,0.8197 3.500,0.3966,0.04733,0.03627,-0.0474,0.6348,0.8278 4.000,0.4170,0.04953,0.03858,-0.0455,0.6228,0.8457 4.250,0.4397,0.05003,0.03912,-0.0453,0.6188,0.8561 4.500,0.4671,0.05019,0.03935,-0.0452,0.6159,0.8670 4.750,0.4639,0.05193,0.04118,-0.0433,0.6076,0.8797 5.000,0.4821,0.05258,0.04191,-0.0428,0.6023,0.8937 5.250,0.5098,0.05277,0.04218,-0.0429,0.5989,0.9098 5.500,0.5146,0.05430,0.04383,-0.0421,0.5911,0.9301 5.750,0.5391,0.05513,0.04478,-0.0433,0.5848,0.9585 6.000,0.5752,0.05541,0.04513,-0.0454,0.5810,1.0000 6.250,0.5825,0.05751,0.04728,-0.0461,0.5713,1.0000 6.500,0.6127,0.05832,0.04815,-0.0478,0.5659,1.0000 6.750,0.6519,0.05858,0.04847,-0.0498,0.5626,1.0000 7.000,0.6522,0.06104,0.05098,-0.0497,0.5508,1.0000 7.250,0.6882,0.06131,0.05133,-0.0512,0.5464,1.0000 7.750,0.7263,0.06374,0.05391,-0.0521,0.5299,1.0000 8.000,0.7338,0.06568,0.05593,-0.0520,0.5188,1.0000 8.250,0.7659,0.06583,0.05618,-0.0526,0.5128,1.0000 8.500,0.7729,0.06777,0.05820,-0.0524,0.5012,1.0000 8.750,0.8066,0.06760,0.05816,-0.0528,0.4952,1.0000 9.000,0.8114,0.06964,0.06030,-0.0525,0.4824,1.0000 9.250,0.8498,0.06882,0.05962,-0.0527,0.4773,1.0000 9.500,0.8527,0.07094,0.06184,-0.0522,0.4632,1.0000 9.750,0.8631,0.07239,0.06341,-0.0518,0.4506,1.0000 10.000,0.9001,0.07108,0.06226,-0.0515,0.4437,1.0000 10.250,0.9072,0.07265,0.06394,-0.0509,0.4290,1.0000 10.500,0.9178,0.07381,0.06524,-0.0504,0.4146,1.0000 10.750,0.9314,0.07463,0.06620,-0.0498,0.4006,1.0000 11.000,0.9485,0.07495,0.06666,-0.0491,0.3869,1.0000 11.250,0.9708,0.07449,0.06638,-0.0483,0.3740,1.0000 11.500,1.0054,0.07211,0.06416,-0.0470,0.3629,1.0000 11.750,1.0209,0.07239,0.06456,-0.0461,0.3453,1.0000 12.250,1.0533,0.07284,0.06517,-0.0444,0.3023,1.0000 12.500,1.0735,0.07251,0.06476,-0.0433,0.2760,1.0000 12.750,1.0890,0.07287,0.06491,-0.0422,0.2476,1.0000 13.000,1.0933,0.07506,0.06695,-0.0418,0.2214,1.0000 13.250,1.0964,0.07749,0.06916,-0.0415,0.1987,1.0000 13.500,1.0968,0.08054,0.07211,-0.0415,0.1786,1.0000 13.750,1.0973,0.08366,0.07512,-0.0417,0.1613,1.0000 14.000,1.0985,0.08680,0.07817,-0.0419,0.1465,1.0000 14.250,1.1005,0.08989,0.08121,-0.0422,0.1339,1.0000 14.500,1.1036,0.09289,0.08413,-0.0425,0.1231,1.0000 14.750,1.1078,0.09573,0.08690,-0.0429,0.1139,1.0000 15.000,1.1128,0.09871,0.08996,-0.0433,0.1053,1.0000 15.250,1.1188,0.10138,0.09260,-0.0437,0.0984,1.0000 15.500,1.1253,0.10415,0.09547,-0.0442,0.0921,1.0000 15.750,1.1327,0.10673,0.09808,-0.0446,0.0868,1.0000 16.000,1.1382,0.10978,0.10127,-0.0453,0.0819,1.0000 16.250,1.1489,0.11177,0.10319,-0.0456,0.0780,1.0000 16.500,1.1503,0.11572,0.10745,-0.0468,0.0744,1.0000 16.750,1.1551,0.11886,0.11070,-0.0479,0.0712,1.0000 17.000,1.1646,0.12116,0.11301,-0.0484,0.0684,1.0000 17.250,1.1580,0.12669,0.11889,-0.0509,0.0664,1.0000 17.500,1.1519,0.13215,0.12459,-0.0535,0.0645,1.0000 17.750,1.1492,0.13693,0.12953,-0.0559,0.0627,1.0000 18.000,1.1611,0.13863,0.13117,-0.0565,0.0606,1.0000 18.250,1.1408,0.14735,0.14020,-0.0615,0.0600,1.0000 18.500,1.1104,0.15910,0.15227,-0.0689,0.0597,1.0000 18.750,1.0642,0.17674,0.17015,-0.0801,0.0598,1.0000