Xfoil polar. Reynolds number fixed. Mach number fixed Polar key,xf-usa98-il-500000-n5 Airfoil,usa98-il Reynolds number,500000 Ncrit,5 Mach,0 Max Cl/Cd,112.652 Max Cl/Cd alpha,6 Url,http://airfoiltools.com/polar/csv?polar=xf-usa98-il-500000-n5 Alpha,Cl,Cd,Cdp,Cm,Top_Xtr,Bot_Xtr -8.500,-0.1972,0.02953,0.02497,-0.1679,0.7925,0.0422 -8.250,-0.1718,0.02692,0.02209,-0.1719,0.7845,0.0424 -8.000,-0.1457,0.02503,0.01993,-0.1744,0.7770,0.0427 -7.750,-0.1187,0.02365,0.01836,-0.1761,0.7709,0.0431 -7.500,-0.0912,0.02245,0.01698,-0.1775,0.7645,0.0435 -7.250,-0.0634,0.02125,0.01557,-0.1788,0.7583,0.0439 -7.000,-0.0354,0.02005,0.01412,-0.1800,0.7527,0.0443 -6.750,-0.0068,0.01898,0.01287,-0.1810,0.7475,0.0446 -6.500,0.0218,0.01810,0.01181,-0.1818,0.7417,0.0450 -6.250,0.0506,0.01737,0.01090,-0.1824,0.7361,0.0453 -6.000,0.0795,0.01675,0.01012,-0.1830,0.7313,0.0456 -5.750,0.1087,0.01620,0.00946,-0.1835,0.7262,0.0458 -5.500,0.1378,0.01574,0.00888,-0.1839,0.7207,0.0460 -5.250,0.1666,0.01516,0.00822,-0.1843,0.7153,0.0464 -5.000,0.1956,0.01477,0.00778,-0.1847,0.7107,0.0467 -4.750,0.2249,0.01443,0.00742,-0.1850,0.7055,0.0470 -4.500,0.2540,0.01414,0.00709,-0.1853,0.7000,0.0473 -4.250,0.2829,0.01389,0.00678,-0.1855,0.6946,0.0477 -4.000,0.3122,0.01365,0.00650,-0.1858,0.6899,0.0482 -3.750,0.3415,0.01342,0.00624,-0.1860,0.6845,0.0487 -3.500,0.3706,0.01320,0.00596,-0.1862,0.6788,0.0493 -3.250,0.3995,0.01300,0.00569,-0.1864,0.6734,0.0498 -3.000,0.4290,0.01276,0.00543,-0.1866,0.6682,0.0503 -2.750,0.4582,0.01256,0.00519,-0.1868,0.6625,0.0507 -2.500,0.4871,0.01241,0.00497,-0.1869,0.6567,0.0511 -2.250,0.5162,0.01226,0.00479,-0.1871,0.6512,0.0514 -2.000,0.5456,0.01200,0.00453,-0.1874,0.6453,0.0521 -1.750,0.5745,0.01185,0.00437,-0.1875,0.6393,0.0527 -1.500,0.6034,0.01175,0.00425,-0.1876,0.6336,0.0533 -1.250,0.6325,0.01164,0.00414,-0.1878,0.6273,0.0540 -1.000,0.6613,0.01157,0.00404,-0.1879,0.6209,0.0549 -0.750,0.6898,0.01152,0.00396,-0.1879,0.6152,0.0559 -0.500,0.7188,0.01145,0.00389,-0.1880,0.6088,0.0568 -0.250,0.7473,0.01142,0.00382,-0.1880,0.6020,0.0575 0.000,0.7759,0.01134,0.00373,-0.1880,0.5960,0.0586 0.250,0.8047,0.01129,0.00369,-0.1881,0.5899,0.0597 0.500,0.8330,0.01128,0.00366,-0.1881,0.5831,0.0610 0.750,0.8610,0.01129,0.00365,-0.1880,0.5770,0.0624 1.000,0.8895,0.01129,0.00365,-0.1880,0.5708,0.0639 1.250,0.9175,0.01130,0.00365,-0.1879,0.5644,0.0662 1.500,0.9453,0.01134,0.00368,-0.1878,0.5583,0.0692 1.750,0.9734,0.01136,0.00371,-0.1877,0.5517,0.0726 2.000,1.0006,0.01141,0.00375,-0.1874,0.5440,0.0790 2.250,1.0280,0.01144,0.00381,-0.1872,0.5354,0.0944 2.500,1.0555,0.01120,0.00394,-0.1874,0.5250,0.2589 2.750,1.0825,0.01125,0.00408,-0.1872,0.5162,0.3091 3.000,1.1092,0.01133,0.00422,-0.1869,0.5084,0.3391 3.250,1.1357,0.01145,0.00436,-0.1865,0.5019,0.3634 3.500,1.1628,0.01153,0.00450,-0.1863,0.4954,0.3861 3.750,1.1892,0.01165,0.00466,-0.1859,0.4891,0.4078 4.000,1.2152,0.01179,0.00482,-0.1854,0.4830,0.4286 4.250,1.2417,0.01190,0.00498,-0.1850,0.4759,0.4500 4.500,1.2669,0.01205,0.00516,-0.1845,0.4686,0.4708 4.750,1.2928,0.01218,0.00533,-0.1840,0.4622,0.4903 5.000,1.3180,0.01233,0.00551,-0.1834,0.4539,0.5082 5.250,1.3422,0.01251,0.00571,-0.1826,0.4452,0.5264 5.500,1.3663,0.01268,0.00593,-0.1818,0.4345,0.5519 5.750,1.3898,0.01284,0.00619,-0.1809,0.4240,0.6060 6.000,1.4059,0.01248,0.00640,-0.1784,0.4141,1.0000 6.250,1.4290,0.01274,0.00664,-0.1774,0.4045,1.0000 6.500,1.4498,0.01308,0.00691,-0.1759,0.3934,1.0000 6.750,1.4709,0.01339,0.00718,-0.1746,0.3804,1.0000 7.000,1.4904,0.01377,0.00750,-0.1729,0.3668,1.0000 7.250,1.5070,0.01419,0.00785,-0.1707,0.3525,1.0000 7.500,1.5226,0.01467,0.00826,-0.1684,0.3375,1.0000 7.750,1.5376,0.01520,0.00872,-0.1659,0.3218,1.0000 8.250,1.5663,0.01640,0.00977,-0.1610,0.2900,1.0000 8.500,1.5790,0.01710,0.01039,-0.1584,0.2735,1.0000 8.750,1.5911,0.01784,0.01106,-0.1557,0.2578,1.0000 9.000,1.6042,0.01855,0.01173,-0.1533,0.2453,1.0000 9.250,1.6162,0.01934,0.01246,-0.1508,0.2339,1.0000 9.500,1.6266,0.02023,0.01330,-0.1480,0.2216,1.0000 9.750,1.6381,0.02109,0.01413,-0.1456,0.2099,1.0000 10.000,1.6491,0.02200,0.01501,-0.1431,0.1999,1.0000 10.250,1.6584,0.02306,0.01603,-0.1406,0.1896,1.0000 10.500,1.6693,0.02405,0.01701,-0.1383,0.1793,1.0000 10.750,1.6778,0.02523,0.01817,-0.1359,0.1686,1.0000 11.000,1.6844,0.02661,0.01950,-0.1334,0.1560,1.0000 11.250,1.6884,0.02825,0.02108,-0.1308,0.1404,1.0000 11.500,1.6879,0.03033,0.02307,-0.1280,0.1215,1.0000 11.750,1.6849,0.03276,0.02540,-0.1253,0.1020,1.0000 12.000,1.6823,0.03526,0.02784,-0.1228,0.0878,1.0000 12.250,1.6834,0.03752,0.03008,-0.1208,0.0794,1.0000 12.500,1.6868,0.03963,0.03221,-0.1191,0.0740,1.0000 12.750,1.6896,0.04186,0.03446,-0.1175,0.0699,1.0000 13.000,1.6945,0.04393,0.03657,-0.1160,0.0669,1.0000 13.250,1.6976,0.04618,0.03885,-0.1146,0.0641,1.0000 13.500,1.7007,0.04848,0.04120,-0.1133,0.0620,1.0000 13.750,1.7051,0.05070,0.04348,-0.1121,0.0601,1.0000 14.000,1.7081,0.05308,0.04592,-0.1109,0.0583,1.0000 14.250,1.7094,0.05571,0.04859,-0.1098,0.0566,1.0000 14.500,1.7111,0.05831,0.05125,-0.1088,0.0551,1.0000 14.750,1.7147,0.06074,0.05376,-0.1079,0.0538,1.0000 15.000,1.7166,0.06343,0.05651,-0.1070,0.0524,1.0000 15.250,1.7173,0.06628,0.05943,-0.1063,0.0511,1.0000 15.500,1.7170,0.06930,0.06250,-0.1055,0.0498,1.0000 15.750,1.7173,0.07229,0.06556,-0.1049,0.0487,1.0000 16.000,1.7191,0.07510,0.06845,-0.1044,0.0475,1.0000 16.250,1.7197,0.07811,0.07154,-0.1039,0.0463,1.0000 16.500,1.7187,0.08136,0.07486,-0.1036,0.0452,1.0000 16.750,1.7170,0.08472,0.07827,-0.1033,0.0441,1.0000 17.000,1.7151,0.08813,0.08175,-0.1030,0.0432,1.0000 17.250,1.7151,0.09131,0.08502,-0.1029,0.0422,1.0000 17.500,1.7144,0.09458,0.08837,-0.1028,0.0411,1.0000 17.750,1.7122,0.09812,0.09199,-0.1029,0.0400,1.0000 18.000,1.7098,0.10169,0.09562,-0.1030,0.0390,1.0000