Xfoil polar. Reynolds number fixed. Mach number fixed Polar key,xf-naca663218-il-50000 Airfoil,naca663218-il Reynolds number,50000 Ncrit,9 Mach,0 Max Cl/Cd,19.2539 Max Cl/Cd alpha,10.25 Url,http://airfoiltools.com/polar/csv?polar=xf-naca663218-il-50000 Alpha,Cl,Cd,Cdp,Cm,Top_Xtr,Bot_Xtr -11.500,-0.5630,0.11761,0.11108,-0.0429,1.0000,0.1891 -11.250,-0.5233,0.12405,0.11750,-0.0336,1.0000,0.2427 -11.000,-0.6719,0.09698,0.09054,-0.0497,1.0000,0.1542 -10.750,-0.7157,0.09169,0.08524,-0.0481,1.0000,0.1504 -10.500,-0.7727,0.08752,0.08101,-0.0444,1.0000,0.1481 -10.250,-0.8359,0.08494,0.07834,-0.0377,1.0000,0.1462 -10.000,-0.9204,0.08421,0.07729,-0.0266,1.0000,0.1436 -9.750,-0.9158,0.08021,0.07322,-0.0249,1.0000,0.1408 -9.500,-0.9286,0.07687,0.06975,-0.0212,1.0000,0.1387 -9.250,-0.9466,0.07356,0.06623,-0.0168,1.0000,0.1361 -9.000,-0.9684,0.07009,0.06240,-0.0116,1.0000,0.1332 -8.750,-0.9994,0.06693,0.05848,-0.0047,1.0000,0.1288 -8.500,-1.0004,0.06409,0.05525,-0.0012,1.0000,0.1269 -8.250,-0.9939,0.06087,0.05179,0.0012,1.0000,0.1257 -8.000,-0.9874,0.05792,0.04853,0.0038,1.0000,0.1247 -7.750,-0.9790,0.05519,0.04544,0.0063,1.0000,0.1241 -7.500,-0.9688,0.05280,0.04267,0.0087,1.0000,0.1244 -7.250,-0.9568,0.05062,0.04007,0.0110,1.0000,0.1258 -7.000,-0.9423,0.04873,0.03774,0.0131,1.0000,0.1273 -6.750,-0.9211,0.04652,0.03533,0.0141,1.0000,0.1290 -6.500,-0.8948,0.04458,0.03332,0.0144,1.0000,0.1319 -6.250,-0.8680,0.04313,0.03178,0.0148,1.0000,0.1366 -6.000,-0.8418,0.04204,0.03039,0.0154,1.0000,0.1430 -5.750,-0.7895,0.04102,0.02964,0.0125,1.0000,0.1546 -5.500,-0.7428,0.04044,0.02916,0.0107,1.0000,0.1742 -5.250,-0.7221,0.03943,0.02850,0.0123,1.0000,0.1964 -5.000,-0.4260,0.06218,0.05375,0.0068,1.0000,0.8477 -4.750,-0.3522,0.06263,0.05373,-0.0006,1.0000,0.9039 -4.500,-0.1607,0.06053,0.05075,-0.0339,1.0000,1.0000 -4.250,-0.1567,0.05977,0.04987,-0.0324,1.0000,1.0000 -4.000,-0.1522,0.05907,0.04905,-0.0308,1.0000,1.0000 -3.750,-0.1474,0.05844,0.04832,-0.0293,1.0000,1.0000 -3.500,-0.1421,0.05787,0.04764,-0.0276,1.0000,1.0000 -3.250,-0.1364,0.05736,0.04703,-0.0260,1.0000,1.0000 -3.000,-0.1305,0.05691,0.04647,-0.0244,1.0000,1.0000 -2.750,-0.1242,0.05650,0.04597,-0.0227,1.0000,1.0000 -2.500,-0.1177,0.05614,0.04552,-0.0210,1.0000,1.0000 -2.250,-0.1109,0.05582,0.04512,-0.0193,1.0000,1.0000 -2.000,-0.1039,0.05555,0.04477,-0.0176,1.0000,1.0000 -1.750,-0.0967,0.05531,0.04446,-0.0158,1.0000,1.0000 -1.500,-0.0893,0.05512,0.04420,-0.0141,1.0000,1.0000 -1.250,-0.0818,0.05497,0.04399,-0.0123,1.0000,1.0000 -1.000,-0.0741,0.05484,0.04381,-0.0106,1.0000,1.0000 -0.750,-0.0664,0.05475,0.04368,-0.0088,1.0000,1.0000 -0.500,-0.0587,0.05470,0.04358,-0.0071,1.0000,1.0000 -0.250,-0.0509,0.05468,0.04352,-0.0053,1.0000,1.0000 0.000,-0.0431,0.05469,0.04350,-0.0036,1.0000,1.0000 0.250,-0.0353,0.05472,0.04351,-0.0018,1.0000,1.0000 0.500,-0.0276,0.05479,0.04356,0.0000,1.0000,1.0000 0.750,-0.0199,0.05489,0.04364,0.0017,1.0000,1.0000 1.000,-0.0124,0.05501,0.04376,0.0035,1.0000,1.0000 1.250,-0.0049,0.05517,0.04391,0.0053,1.0000,1.0000 1.500,0.0023,0.05535,0.04410,0.0070,1.0000,1.0000 1.750,0.0095,0.05556,0.04432,0.0088,1.0000,1.0000 2.000,0.0165,0.05580,0.04457,0.0106,1.0000,1.0000 2.250,0.0233,0.05606,0.04485,0.0123,1.0000,1.0000 2.500,0.0299,0.05635,0.04516,0.0141,1.0000,1.0000 2.750,0.0363,0.05667,0.04551,0.0159,1.0000,1.0000 3.000,0.0425,0.05701,0.04588,0.0176,1.0000,1.0000 3.250,0.0483,0.05738,0.04629,0.0194,1.0000,1.0000 3.500,0.0539,0.05777,0.04672,0.0211,1.0000,1.0000 3.750,0.0592,0.05819,0.04718,0.0229,1.0000,1.0000 4.000,0.0642,0.05863,0.04767,0.0246,1.0000,1.0000 4.250,0.0689,0.05909,0.04818,0.0263,1.0000,1.0000 4.500,0.0733,0.05957,0.04872,0.0280,1.0000,1.0000 4.750,0.0773,0.06008,0.04928,0.0298,1.0000,1.0000 5.000,0.0809,0.06059,0.04986,0.0315,1.0000,1.0000 5.250,0.0840,0.06113,0.05046,0.0332,1.0000,1.0000 5.500,0.1248,0.06350,0.05300,0.0269,0.9847,1.0000 6.000,0.1934,0.06794,0.05776,0.0178,0.9432,1.0000 6.250,0.2151,0.06915,0.05911,0.0160,0.9198,1.0000 6.500,0.2491,0.07184,0.06196,0.0123,0.8980,1.0000 6.750,0.2583,0.07237,0.06260,0.0130,0.8750,1.0000 7.000,0.2962,0.07475,0.06517,0.0095,0.8461,1.0000 7.250,0.4079,0.07301,0.06379,0.0014,0.7438,1.0000 7.500,0.4198,0.07297,0.06389,0.0033,0.7186,1.0000 7.750,0.4555,0.07287,0.06400,0.0027,0.6944,1.0000 8.000,0.4663,0.07276,0.06405,0.0048,0.6713,1.0000 8.250,0.5074,0.07171,0.06326,0.0045,0.6469,1.0000 8.500,0.5528,0.06875,0.06060,0.0055,0.6156,1.0000 8.750,0.6802,0.05422,0.04681,0.0077,0.5593,1.0000 9.000,0.7162,0.04707,0.04006,0.0144,0.5135,1.0000 9.250,0.7291,0.04184,0.03275,0.0264,0.2667,1.0000 9.500,0.7163,0.04343,0.03362,0.0318,0.2176,1.0000 9.750,0.7238,0.04443,0.03420,0.0351,0.1855,1.0000 10.000,0.7719,0.04511,0.03456,0.0345,0.1549,1.0000 10.250,0.9290,0.04825,0.03765,0.0201,0.1256,1.0000 10.500,0.9986,0.05216,0.04175,0.0139,0.1172,1.0000 10.750,1.0066,0.05416,0.04409,0.0166,0.1157,1.0000 11.000,1.0071,0.05604,0.04626,0.0203,0.1151,1.0000 11.250,0.9986,0.05764,0.04811,0.0252,0.1148,1.0000 11.500,0.9843,0.05904,0.04971,0.0308,0.1148,1.0000 11.750,0.9687,0.06059,0.05146,0.0362,0.1148,1.0000 12.000,0.9559,0.06276,0.05386,0.0403,0.1149,1.0000 12.250,0.9424,0.06542,0.05678,0.0438,0.1150,1.0000 12.500,0.9268,0.06843,0.06003,0.0468,0.1152,1.0000 12.750,0.9101,0.07187,0.06371,0.0492,0.1158,1.0000 13.000,0.8906,0.07559,0.06765,0.0512,0.1165,1.0000 13.250,0.8673,0.07975,0.07200,0.0527,0.1171,1.0000 13.500,0.8449,0.08446,0.07687,0.0535,0.1180,1.0000 13.750,0.8295,0.08953,0.08207,0.0535,0.1189,1.0000 14.000,0.6815,0.10624,0.09912,0.0466,0.1299,1.0000 14.250,0.6069,0.12630,0.11908,0.0342,0.1436,1.0000 14.500,0.6155,0.13183,0.12466,0.0326,0.1499,1.0000