Xfoil polar. Reynolds number fixed. Mach number fixed Polar key,xf-sc20518-il-500000-n5 Airfoil,sc20518-il Reynolds number,500000 Ncrit,5 Mach,0 Max Cl/Cd,62.5307 Max Cl/Cd alpha,6.75 Url,http://airfoiltools.com/polar/csv?polar=xf-sc20518-il-500000-n5 Alpha,Cl,Cd,Cdp,Cm,Top_Xtr,Bot_Xtr -19.750,-1.2036,0.08927,0.08414,-0.0508,1.0000,0.0397 -19.500,-1.2062,0.08544,0.08022,-0.0525,1.0000,0.0401 -19.250,-1.2073,0.08189,0.07659,-0.0540,1.0000,0.0406 -19.000,-1.2079,0.07849,0.07310,-0.0553,1.0000,0.0411 -18.750,-1.2073,0.07525,0.06977,-0.0566,1.0000,0.0415 -18.500,-1.2047,0.07234,0.06676,-0.0576,1.0000,0.0420 -18.250,-1.2029,0.06936,0.06371,-0.0586,1.0000,0.0424 -18.000,-1.2019,0.06633,0.06064,-0.0596,1.0000,0.0429 -17.750,-1.1986,0.06363,0.05789,-0.0605,1.0000,0.0433 -17.500,-1.1944,0.06106,0.05527,-0.0612,1.0000,0.0438 -17.250,-1.1886,0.05876,0.05291,-0.0618,1.0000,0.0444 -17.000,-1.1823,0.05652,0.05062,-0.0624,1.0000,0.0450 -16.750,-1.1744,0.05453,0.04857,-0.0628,1.0000,0.0456 -16.500,-1.1665,0.05255,0.04652,-0.0631,1.0000,0.0462 -16.250,-1.1571,0.05078,0.04467,-0.0634,1.0000,0.0468 -16.000,-1.1477,0.04903,0.04287,-0.0636,1.0000,0.0474 -15.750,-1.1409,0.04706,0.04088,-0.0638,1.0000,0.0481 -15.500,-1.1315,0.04538,0.03917,-0.0639,1.0000,0.0488 -15.250,-1.1216,0.04377,0.03753,-0.0640,1.0000,0.0495 -15.000,-1.1107,0.04229,0.03602,-0.0640,1.0000,0.0502 -14.750,-1.0991,0.04093,0.03462,-0.0638,1.0000,0.0510 -14.500,-1.0874,0.03959,0.03323,-0.0637,1.0000,0.0517 -14.250,-1.0752,0.03835,0.03193,-0.0635,1.0000,0.0523 -14.000,-1.0634,0.03711,0.03067,-0.0631,1.0000,0.0530 -13.750,-1.0537,0.03577,0.02931,-0.0627,1.0000,0.0537 -13.500,-1.0430,0.03456,0.02810,-0.0621,1.0000,0.0544 -13.250,-1.0316,0.03349,0.02701,-0.0614,1.0000,0.0551 -13.000,-1.0209,0.03247,0.02597,-0.0606,1.0000,0.0560 -12.750,-1.0109,0.03153,0.02502,-0.0594,1.0000,0.0568 -12.500,-1.0014,0.03069,0.02414,-0.0580,1.0000,0.0576 -12.250,-0.9931,0.02988,0.02330,-0.0563,1.0000,0.0583 -12.000,-0.9887,0.02900,0.02242,-0.0541,1.0000,0.0591 -11.750,-0.9834,0.02816,0.02159,-0.0521,0.9997,0.0598 -11.500,-0.9594,0.02716,0.02058,-0.0534,0.9971,0.0608 -11.250,-0.9342,0.02623,0.01965,-0.0549,0.9942,0.0620 -11.000,-0.9071,0.02540,0.01879,-0.0566,0.9917,0.0634 -10.750,-0.8820,0.02461,0.01797,-0.0577,0.9878,0.0645 -10.500,-0.8569,0.02369,0.01705,-0.0591,0.9835,0.0658 -10.250,-0.8296,0.02282,0.01619,-0.0607,0.9798,0.0672 -10.000,-0.8029,0.02205,0.01541,-0.0621,0.9757,0.0687 -9.750,-0.7801,0.02135,0.01470,-0.0625,0.9687,0.0703 -9.500,-0.7534,0.02066,0.01398,-0.0637,0.9640,0.0717 -9.250,-0.7339,0.01991,0.01324,-0.0636,0.9558,0.0733 -9.000,-0.7111,0.01922,0.01256,-0.0640,0.9488,0.0751 -8.750,-0.6873,0.01859,0.01192,-0.0645,0.9419,0.0771 -8.500,-0.6622,0.01803,0.01133,-0.0650,0.9346,0.0790 -8.250,-0.6365,0.01739,0.01070,-0.0658,0.9283,0.0814 -8.000,-0.6120,0.01683,0.01015,-0.0663,0.9206,0.0841 -7.750,-0.5848,0.01634,0.00964,-0.0671,0.9140,0.0870 -7.500,-0.5582,0.01581,0.00912,-0.0679,0.9072,0.0904 -7.250,-0.5306,0.01535,0.00866,-0.0688,0.8996,0.0943 -7.000,-0.5017,0.01488,0.00819,-0.0699,0.8932,0.0984 -6.750,-0.4729,0.01444,0.00776,-0.0709,0.8868,0.1033 -6.500,-0.4431,0.01402,0.00735,-0.0721,0.8804,0.1081 -6.250,-0.4124,0.01361,0.00694,-0.0735,0.8748,0.1140 -6.000,-0.3814,0.01321,0.00656,-0.0749,0.8690,0.1205 -5.500,-0.3179,0.01246,0.00586,-0.0778,0.8566,0.1386 -5.250,-0.2853,0.01205,0.00552,-0.0795,0.8510,0.1526 -5.000,-0.2525,0.01164,0.00520,-0.0812,0.8443,0.1722 -4.750,-0.2188,0.01120,0.00486,-0.0831,0.8377,0.1985 -4.500,-0.1841,0.01074,0.00453,-0.0853,0.8320,0.2321 -4.250,-0.1480,0.01022,0.00420,-0.0878,0.8261,0.2744 -4.000,-0.1102,0.00966,0.00384,-0.0907,0.8199,0.3256 -3.750,-0.0692,0.00898,0.00344,-0.0945,0.8143,0.3980 -3.500,-0.0285,0.00846,0.00325,-0.0980,0.8092,0.4742 -3.250,0.0057,0.00836,0.00326,-0.0993,0.8031,0.5116 -3.000,0.0382,0.00836,0.00327,-0.1002,0.7967,0.5296 -2.750,0.0702,0.00838,0.00329,-0.1009,0.7910,0.5416 -2.500,0.1025,0.00840,0.00328,-0.1017,0.7852,0.5510 -2.250,0.1338,0.00843,0.00332,-0.1022,0.7777,0.5584 -2.000,0.1646,0.00849,0.00333,-0.1026,0.7647,0.5657 -1.750,0.1954,0.00855,0.00328,-0.1029,0.7461,0.5715 -1.500,0.2250,0.00864,0.00333,-0.1030,0.7265,0.5778 -1.250,0.2551,0.00877,0.00339,-0.1032,0.7078,0.5854 -1.000,0.2864,0.00890,0.00341,-0.1037,0.6936,0.5917 -0.750,0.3161,0.00896,0.00349,-0.1038,0.6795,0.5962 -0.500,0.3457,0.00907,0.00355,-0.1039,0.6608,0.5997 -0.250,0.3751,0.00919,0.00358,-0.1040,0.6387,0.6021 0.000,0.4045,0.00933,0.00360,-0.1042,0.6139,0.6038 0.250,0.4338,0.00947,0.00363,-0.1043,0.5851,0.6054 0.500,0.4616,0.00973,0.00369,-0.1042,0.5408,0.6069 0.750,0.4871,0.01021,0.00382,-0.1038,0.4693,0.6084 1.000,0.5121,0.01079,0.00404,-0.1033,0.3951,0.6099 1.250,0.5383,0.01128,0.00425,-0.1031,0.3398,0.6114 1.500,0.5646,0.01171,0.00446,-0.1029,0.2929,0.6133 1.750,0.5911,0.01208,0.00467,-0.1026,0.2562,0.6153 2.000,0.6180,0.01243,0.00488,-0.1024,0.2246,0.6172 2.250,0.6451,0.01275,0.00508,-0.1023,0.1982,0.6187 2.500,0.6724,0.01305,0.00527,-0.1021,0.1789,0.6202 2.750,0.7001,0.01331,0.00547,-0.1021,0.1644,0.6216 3.000,0.7276,0.01358,0.00567,-0.1020,0.1513,0.6231 3.250,0.7550,0.01385,0.00587,-0.1018,0.1397,0.6246 3.500,0.7823,0.01412,0.00607,-0.1017,0.1292,0.6262 3.750,0.8096,0.01439,0.00629,-0.1015,0.1214,0.6277 4.000,0.8369,0.01465,0.00650,-0.1013,0.1149,0.6292 4.250,0.8637,0.01493,0.00674,-0.1011,0.1087,0.6307 4.500,0.8908,0.01519,0.00697,-0.1009,0.1040,0.6320 4.750,0.9170,0.01549,0.00723,-0.1006,0.0995,0.6335 5.000,0.9435,0.01573,0.00749,-0.1002,0.0958,0.6351 5.250,0.9695,0.01601,0.00777,-0.0998,0.0918,0.6368 5.500,0.9950,0.01631,0.00806,-0.0993,0.0885,0.6387 5.750,1.0207,0.01659,0.00836,-0.0988,0.0856,0.6407 6.000,1.0458,0.01691,0.00867,-0.0983,0.0829,0.6427 6.250,1.0704,0.01725,0.00899,-0.0976,0.0805,0.6447 6.500,1.0952,0.01756,0.00932,-0.0970,0.0783,0.6466 6.750,1.1193,0.01790,0.00966,-0.0963,0.0760,0.6485 7.000,1.1425,0.01829,0.01003,-0.0955,0.0741,0.6504 7.250,1.1657,0.01866,0.01040,-0.0946,0.0725,0.6521 7.500,1.1886,0.01901,0.01078,-0.0937,0.0708,0.6537 7.750,1.2105,0.01938,0.01118,-0.0926,0.0690,0.6558 8.000,1.2309,0.01981,0.01162,-0.0913,0.0674,0.6579 8.250,1.2496,0.02024,0.01208,-0.0897,0.0660,0.6599 8.500,1.2671,0.02063,0.01252,-0.0878,0.0647,0.6621 8.750,1.2856,0.02108,0.01301,-0.0862,0.0633,0.6644 9.000,1.3047,0.02157,0.01353,-0.0847,0.0620,0.6667 9.250,1.3232,0.02213,0.01410,-0.0833,0.0607,0.6691 9.500,1.3414,0.02271,0.01471,-0.0818,0.0595,0.6716 9.750,1.3604,0.02325,0.01529,-0.0805,0.0583,0.6741 10.000,1.3787,0.02384,0.01591,-0.0792,0.0570,0.6766 10.250,1.3963,0.02446,0.01659,-0.0777,0.0558,0.6794 10.500,1.4130,0.02516,0.01732,-0.0763,0.0547,0.6822 10.750,1.4288,0.02593,0.01812,-0.0747,0.0538,0.6850 11.000,1.4455,0.02664,0.01890,-0.0734,0.0528,0.6879 11.250,1.4616,0.02742,0.01973,-0.0720,0.0519,0.6909 11.500,1.4772,0.02824,0.02060,-0.0706,0.0509,0.6938 11.750,1.4920,0.02914,0.02153,-0.0692,0.0501,0.6965 12.000,1.5059,0.03011,0.02254,-0.0678,0.0492,0.6992 12.250,1.5184,0.03120,0.02367,-0.0663,0.0484,0.7022 12.500,1.5324,0.03219,0.02476,-0.0650,0.0477,0.7053 12.750,1.5458,0.03325,0.02589,-0.0637,0.0469,0.7086 13.000,1.5582,0.03440,0.02711,-0.0624,0.0461,0.7121 13.250,1.5701,0.03563,0.02840,-0.0612,0.0453,0.7156 13.500,1.5810,0.03697,0.02978,-0.0599,0.0447,0.7190 13.750,1.5906,0.03842,0.03129,-0.0587,0.0441,0.7222 14.000,1.5986,0.04004,0.03297,-0.0575,0.0435,0.7255 14.250,1.6070,0.04165,0.03467,-0.0563,0.0431,0.7289 14.500,1.6157,0.04329,0.03641,-0.0553,0.0426,0.7324 14.750,1.6236,0.04502,0.03823,-0.0543,0.0421,0.7359 15.000,1.6305,0.04688,0.04017,-0.0534,0.0416,0.7392 15.250,1.6366,0.04888,0.04225,-0.0527,0.0411,0.7422 15.500,1.6420,0.05100,0.04446,-0.0519,0.0406,0.7453 15.750,1.6465,0.05327,0.04682,-0.0513,0.0402,0.7485 16.000,1.6495,0.05575,0.04939,-0.0509,0.0398,0.7519 16.250,1.6514,0.05844,0.05216,-0.0505,0.0394,0.7553 16.500,1.6514,0.06142,0.05521,-0.0504,0.0390,0.7585 16.750,1.6496,0.06473,0.05859,-0.0504,0.0386,0.7615 17.000,1.6504,0.06778,0.06176,-0.0506,0.0383,0.7643 17.250,1.6497,0.07105,0.06516,-0.0508,0.0380,0.7671 17.500,1.6480,0.07454,0.06878,-0.0513,0.0376,0.7700 17.750,1.6447,0.07834,0.07271,-0.0520,0.0373,0.7731 18.000,1.6402,0.08241,0.07690,-0.0529,0.0370,0.7762 18.250,1.6341,0.08679,0.08139,-0.0541,0.0367,0.7792 18.500,1.6270,0.09142,0.08614,-0.0556,0.0364,0.7821 18.750,1.6181,0.09642,0.09127,-0.0574,0.0361,0.7846 19.000,1.6076,0.10174,0.09672,-0.0595,0.0359,0.7870 19.250,1.5964,0.10731,0.10242,-0.0619,0.0356,0.7895