Xfoil polar. Reynolds number fixed. Mach number fixed Polar key,xf-naca16018-il-500000 Airfoil,naca16018-il Reynolds number,500000 Ncrit,9 Mach,0 Max Cl/Cd,44.5384 Max Cl/Cd alpha,4 Url,http://airfoiltools.com/polar/csv?polar=xf-naca16018-il-500000 Alpha,Cl,Cd,Cdp,Cm,Top_Xtr,Bot_Xtr -19.750,-0.9234,0.11596,0.11280,-0.0652,1.0000,0.0188 -19.500,-0.9631,0.10559,0.10218,-0.0699,1.0000,0.0187 -19.250,-0.9863,0.09892,0.09537,-0.0724,1.0000,0.0188 -19.000,-1.0062,0.09311,0.08942,-0.0740,1.0000,0.0189 -18.750,-1.0252,0.08776,0.08393,-0.0752,1.0000,0.0190 -18.500,-1.0404,0.08327,0.07932,-0.0757,1.0000,0.0191 -18.250,-1.0553,0.07904,0.07497,-0.0757,1.0000,0.0192 -18.000,-1.0689,0.07524,0.07105,-0.0754,1.0000,0.0194 -17.750,-1.0820,0.07167,0.06736,-0.0746,1.0000,0.0196 -17.500,-1.0942,0.06839,0.06396,-0.0735,1.0000,0.0198 -17.250,-1.1059,0.06534,0.06079,-0.0721,1.0000,0.0200 -17.000,-1.1162,0.06260,0.05791,-0.0703,1.0000,0.0202 -16.750,-1.1261,0.05999,0.05518,-0.0683,1.0000,0.0205 -16.500,-1.1272,0.05713,0.05215,-0.0680,0.9993,0.0208 -16.250,-1.1259,0.05444,0.04928,-0.0680,0.9983,0.0213 -16.000,-1.1233,0.05205,0.04670,-0.0677,0.9972,0.0216 -15.750,-1.1220,0.04959,0.04404,-0.0670,0.9963,0.0220 -15.500,-1.1150,0.04752,0.04192,-0.0665,0.9955,0.0226 -15.250,-1.1049,0.04599,0.04034,-0.0663,0.9948,0.0231 -15.000,-1.0943,0.04454,0.03882,-0.0661,0.9941,0.0236 -14.750,-1.0857,0.04312,0.03731,-0.0651,0.9928,0.0241 -14.500,-1.0767,0.04173,0.03581,-0.0640,0.9910,0.0247 -14.250,-1.0654,0.04040,0.03435,-0.0632,0.9895,0.0253 -14.000,-1.0529,0.03919,0.03299,-0.0625,0.9880,0.0259 -13.750,-1.0393,0.03784,0.03150,-0.0619,0.9870,0.0265 -13.500,-1.0233,0.03654,0.03019,-0.0616,0.9862,0.0274 -13.250,-1.0066,0.03560,0.02922,-0.0614,0.9853,0.0282 -13.000,-0.9885,0.03472,0.02828,-0.0614,0.9845,0.0291 -12.750,-0.9690,0.03385,0.02731,-0.0615,0.9839,0.0300 -12.500,-0.9480,0.03305,0.02640,-0.0617,0.9833,0.0308 -12.250,-0.9409,0.03235,0.02562,-0.0588,0.9792,0.0313 -12.000,-0.9248,0.03109,0.02433,-0.0579,0.9778,0.0325 -11.750,-0.9073,0.03031,0.02354,-0.0573,0.9763,0.0336 -11.500,-0.8876,0.02962,0.02282,-0.0571,0.9750,0.0347 -11.250,-0.8663,0.02894,0.02207,-0.0571,0.9740,0.0358 -11.000,-0.8431,0.02829,0.02135,-0.0574,0.9732,0.0368 -10.750,-0.8209,0.02746,0.02045,-0.0576,0.9725,0.0380 -10.500,-0.8001,0.02654,0.01953,-0.0577,0.9719,0.0396 -10.250,-0.7941,0.02606,0.01903,-0.0542,0.9678,0.0406 -10.000,-0.7798,0.02552,0.01846,-0.0524,0.9649,0.0418 -9.750,-0.7594,0.02497,0.01786,-0.0519,0.9632,0.0432 -9.500,-0.7353,0.02451,0.01733,-0.0521,0.9619,0.0444 -9.250,-0.7170,0.02356,0.01637,-0.0515,0.9608,0.0467 -9.000,-0.6931,0.02297,0.01577,-0.0518,0.9599,0.0488 -8.750,-0.6678,0.02248,0.01525,-0.0522,0.9592,0.0511 -8.500,-0.6431,0.02192,0.01466,-0.0526,0.9585,0.0540 -8.250,-0.6509,0.02167,0.01441,-0.0457,0.9513,0.0560 -8.000,-0.6296,0.02120,0.01393,-0.0451,0.9494,0.0600 -7.750,-0.6074,0.02065,0.01340,-0.0448,0.9480,0.0664 -7.500,-0.5841,0.02010,0.01291,-0.0448,0.9470,0.0781 -7.250,-0.5605,0.01952,0.01243,-0.0448,0.9461,0.0980 -7.000,-0.5369,0.01891,0.01196,-0.0449,0.9453,0.1266 -6.750,-0.5445,0.01875,0.01187,-0.0379,0.9381,0.1430 -6.500,-0.5302,0.01821,0.01150,-0.0358,0.9354,0.1773 -6.250,-0.5137,0.01751,0.01104,-0.0344,0.9337,0.2283 -6.000,-0.4991,0.01661,0.01049,-0.0326,0.9323,0.3012 -5.750,-0.4889,0.01553,0.00983,-0.0300,0.9309,0.3913 -5.500,-0.4836,0.01437,0.00911,-0.0262,0.9296,0.4892 -4.750,-0.5635,0.01346,0.00878,0.0091,0.9054,0.6214 -4.500,-0.5649,0.01287,0.00849,0.0156,0.9027,0.6901 -4.250,-0.5466,0.01261,0.00839,0.0178,0.9014,0.7370 -4.000,-0.5741,0.01289,0.00872,0.0300,0.8916,0.7533 -3.750,-0.5528,0.01282,0.00868,0.0315,0.8897,0.7790 -3.500,-0.5237,0.01280,0.00868,0.0312,0.8886,0.7971 -3.250,-0.4949,0.01283,0.00870,0.0310,0.8876,0.8128 -3.000,-0.4671,0.01290,0.00877,0.0311,0.8867,0.8273 -2.750,-0.4816,0.01324,0.00911,0.0404,0.8779,0.8377 -2.500,-0.4445,0.01349,0.00935,0.0382,0.8766,0.8446 -2.250,-0.4183,0.01355,0.00937,0.0385,0.8749,0.8516 -2.000,-0.3707,0.01412,0.00995,0.0342,0.8748,0.8594 -1.750,-0.2278,0.01532,0.01114,0.0093,0.8864,0.8598 -1.500,-0.2727,0.01551,0.01133,0.0254,0.8746,0.8715 -1.250,-0.2258,0.01574,0.01155,0.0209,0.8744,0.8720 -1.000,-0.1802,0.01593,0.01171,0.0166,0.8741,0.8724 -0.750,-0.1343,0.01603,0.01180,0.0123,0.8739,0.8727 -0.500,-0.0890,0.01609,0.01185,0.0081,0.8737,0.8729 -0.250,-0.0443,0.01612,0.01187,0.0040,0.8735,0.8731 0.000,0.0000,0.01613,0.01188,0.0000,0.8733,0.8733 0.250,0.0444,0.01612,0.01187,-0.0040,0.8731,0.8735 0.500,0.0890,0.01608,0.01184,-0.0081,0.8729,0.8737 0.750,0.1343,0.01603,0.01180,-0.0123,0.8727,0.8739 1.000,0.1801,0.01593,0.01171,-0.0166,0.8724,0.8741 1.250,0.2258,0.01574,0.01155,-0.0209,0.8720,0.8744 1.500,0.2727,0.01551,0.01133,-0.0254,0.8715,0.8746 1.750,0.2278,0.01532,0.01114,-0.0093,0.8598,0.8864 2.000,0.3123,0.01434,0.01018,-0.0217,0.8591,0.8837 2.250,0.3653,0.01333,0.00914,-0.0269,0.8505,0.8843 2.500,0.4098,0.01322,0.00905,-0.0306,0.8437,0.8836 2.750,0.4580,0.01303,0.00887,-0.0353,0.8384,0.8831 3.000,0.4670,0.01290,0.00877,-0.0311,0.8274,0.8867 3.250,0.4949,0.01283,0.00870,-0.0310,0.8130,0.8876 3.500,0.5236,0.01280,0.00868,-0.0312,0.7971,0.8886 3.750,0.5528,0.01282,0.00868,-0.0315,0.7791,0.8897 4.000,0.5741,0.01289,0.00872,-0.0301,0.7534,0.8917 4.250,0.5467,0.01260,0.00839,-0.0179,0.7368,0.9014 4.500,0.5649,0.01287,0.00849,-0.0156,0.6897,0.9027 4.750,0.5634,0.01346,0.00878,-0.0090,0.6211,0.9054 5.500,0.4847,0.01441,0.00914,0.0259,0.4868,0.9294 6.750,0.5132,0.01824,0.01148,0.0451,0.1625,0.9446 7.000,0.5373,0.01889,0.01195,0.0448,0.1266,0.9453 7.250,0.5610,0.01951,0.01242,0.0447,0.0979,0.9461 7.500,0.5845,0.02009,0.01289,0.0447,0.0779,0.9470 7.750,0.6079,0.02064,0.01338,0.0447,0.0664,0.9481 8.000,0.6300,0.02118,0.01391,0.0451,0.0600,0.9495 8.250,0.6512,0.02165,0.01439,0.0456,0.0560,0.9514 8.500,0.6437,0.02191,0.01465,0.0525,0.0540,0.9586 8.750,0.6685,0.02246,0.01523,0.0521,0.0511,0.9592 9.000,0.6938,0.02295,0.01576,0.0516,0.0488,0.9600 9.250,0.7178,0.02354,0.01636,0.0513,0.0467,0.9608 9.500,0.7361,0.02449,0.01731,0.0520,0.0444,0.9620 9.750,0.7602,0.02496,0.01784,0.0518,0.0432,0.9633 10.000,0.7805,0.02550,0.01844,0.0523,0.0418,0.9651 10.250,0.7937,0.02602,0.01899,0.0543,0.0406,0.9681 10.500,0.8012,0.02652,0.01951,0.0575,0.0396,0.9719 10.750,0.8218,0.02745,0.02044,0.0574,0.0379,0.9725 11.000,0.8442,0.02827,0.02133,0.0572,0.0368,0.9732 11.250,0.8675,0.02891,0.02204,0.0569,0.0358,0.9741 11.500,0.8888,0.02959,0.02278,0.0569,0.0347,0.9751 11.750,0.9085,0.03028,0.02350,0.0571,0.0336,0.9764 12.000,0.9260,0.03106,0.02430,0.0577,0.0325,0.9779 12.250,0.9419,0.03232,0.02558,0.0586,0.0313,0.9794 12.500,0.9498,0.03302,0.02637,0.0614,0.0308,0.9834 12.750,0.9708,0.03382,0.02728,0.0611,0.0300,0.9839 13.000,0.9902,0.03468,0.02823,0.0610,0.0291,0.9846 13.250,1.0084,0.03556,0.02917,0.0611,0.0282,0.9854 13.500,1.0251,0.03649,0.03014,0.0612,0.0274,0.9863 13.750,1.0413,0.03790,0.03155,0.0616,0.0264,0.9870 14.000,1.0546,0.03914,0.03294,0.0622,0.0259,0.9882 14.250,1.0671,0.04036,0.03430,0.0629,0.0253,0.9896 14.500,1.0784,0.04167,0.03575,0.0637,0.0247,0.9913 14.750,1.0873,0.04306,0.03725,0.0648,0.0241,0.9930 15.000,1.0966,0.04448,0.03876,0.0657,0.0235,0.9941 15.250,1.1072,0.04593,0.04028,0.0659,0.0230,0.9949 15.500,1.1174,0.04746,0.04185,0.0660,0.0226,0.9957 15.750,1.1239,0.04964,0.04409,0.0667,0.0220,0.9964 16.000,1.1257,0.05201,0.04666,0.0673,0.0216,0.9974 16.250,1.1283,0.05440,0.04924,0.0675,0.0212,0.9985 16.500,1.1298,0.05709,0.05211,0.0676,0.0208,0.9995 16.750,1.1272,0.05984,0.05502,0.0682,0.0205,1.0000 17.000,1.1176,0.06240,0.05771,0.0703,0.0202,1.0000 17.250,1.1072,0.06515,0.06059,0.0721,0.0200,1.0000 17.500,1.0953,0.06823,0.06380,0.0735,0.0198,1.0000 17.750,1.0833,0.07146,0.06715,0.0747,0.0196,1.0000 18.000,1.0701,0.07503,0.07084,0.0754,0.0194,1.0000 18.250,1.0566,0.07882,0.07475,0.0758,0.0192,1.0000 18.500,1.0426,0.08291,0.07895,0.0757,0.0191,1.0000 18.750,1.0270,0.08745,0.08361,0.0752,0.0190,1.0000 19.000,1.0088,0.09266,0.08896,0.0742,0.0189,1.0000 19.250,0.9888,0.09847,0.09491,0.0725,0.0188,1.0000