Xfoil polar. Reynolds number fixed. Mach number fixed Polar key,xf-e642-il-500000 Airfoil,e642-il Reynolds number,500000 Ncrit,9 Mach,0 Max Cl/Cd,98.2197 Max Cl/Cd alpha,7.5 Url,http://airfoiltools.com/polar/csv?polar=xf-e642-il-500000 Alpha,Cl,Cd,Cdp,Cm,Top_Xtr,Bot_Xtr -12.000,-0.2138,0.10238,0.09931,-0.0628,0.7624,0.0243 -11.750,-0.2713,0.10333,0.10014,-0.0711,0.7835,0.0225 -11.500,-0.2710,0.09922,0.09600,-0.0730,0.7781,0.0230 -11.250,-0.2352,0.08432,0.08123,-0.0712,0.7569,0.0253 -11.000,-0.2295,0.08170,0.07862,-0.0716,0.7541,0.0258 -10.750,-0.2294,0.07766,0.07458,-0.0732,0.7514,0.0260 -10.500,-0.2322,0.07313,0.07005,-0.0750,0.7490,0.0263 -10.250,-0.2369,0.06822,0.06514,-0.0772,0.7468,0.0266 -10.000,-0.2525,0.06073,0.05765,-0.0817,0.7451,0.0267 -9.750,-0.3140,0.04717,0.04393,-0.0909,0.7442,0.0261 -9.500,-0.3394,0.04289,0.03953,-0.0907,0.7418,0.0262 -9.250,-0.3578,0.03973,0.03628,-0.0890,0.7394,0.0263 -9.000,-0.3699,0.03743,0.03390,-0.0865,0.7367,0.0266 -8.750,-0.3817,0.03517,0.03154,-0.0832,0.7341,0.0269 -8.500,-0.3865,0.03258,0.02883,-0.0807,0.7317,0.0274 -7.000,-0.3870,0.02363,0.01701,-0.0650,0.7225,0.0199 -6.500,-0.3403,0.02101,0.01406,-0.0637,0.7182,0.0198 -6.250,-0.3146,0.01955,0.01244,-0.0634,0.7164,0.0197 -6.000,-0.2878,0.01795,0.01073,-0.0633,0.7146,0.0195 -5.750,-0.2616,0.01699,0.00966,-0.0631,0.7129,0.0196 -5.500,-0.2358,0.01630,0.00887,-0.0628,0.7109,0.0197 -5.250,-0.2117,0.01535,0.00789,-0.0623,0.7092,0.0200 -5.000,-0.1897,0.01448,0.00702,-0.0614,0.7073,0.0206 -4.750,-0.1667,0.01395,0.00648,-0.0607,0.7055,0.0214 -4.500,-0.1430,0.01353,0.00605,-0.0601,0.7036,0.0220 -4.250,-0.1188,0.01318,0.00567,-0.0595,0.7016,0.0231 -4.000,-0.0939,0.01290,0.00534,-0.0591,0.6997,0.0244 -3.750,-0.0698,0.01253,0.00493,-0.0585,0.6980,0.0265 -3.500,-0.0445,0.01230,0.00467,-0.0582,0.6962,0.0292 -3.250,-0.0197,0.01205,0.00443,-0.0577,0.6944,0.0371 -3.000,-0.0003,0.01129,0.00416,-0.0565,0.6926,0.1362 -2.750,0.0191,0.01062,0.00398,-0.0555,0.6906,0.2586 -2.500,0.0334,0.00965,0.00377,-0.0536,0.6884,0.4540 -2.250,0.0415,0.00850,0.00375,-0.0499,0.6864,0.7182 -2.000,0.0664,0.00889,0.00428,-0.0486,0.6844,0.8024 -1.750,0.0936,0.00920,0.00451,-0.0482,0.6825,0.8219 -1.500,0.1197,0.00968,0.00495,-0.0472,0.6807,0.8389 -1.250,0.1449,0.01020,0.00545,-0.0459,0.6788,0.8513 -1.000,0.1700,0.01047,0.00571,-0.0450,0.6767,0.8611 -0.750,0.1959,0.01071,0.00596,-0.0441,0.6745,0.8666 -0.500,0.2206,0.01097,0.00619,-0.0430,0.6722,0.8759 -0.250,0.2473,0.01129,0.00650,-0.0419,0.6700,0.8830 0.000,0.2724,0.01142,0.00658,-0.0411,0.6679,0.8905 0.250,0.3027,0.01159,0.00671,-0.0411,0.6658,0.8944 0.500,0.3309,0.01175,0.00682,-0.0411,0.6637,0.8993 0.750,0.3526,0.01171,0.00679,-0.0401,0.6611,0.9045 1.000,0.3811,0.01169,0.00677,-0.0402,0.6583,0.9066 1.250,0.4101,0.01168,0.00675,-0.0404,0.6555,0.9088 1.500,0.4379,0.01165,0.00670,-0.0405,0.6529,0.9111 1.750,0.4644,0.01161,0.00661,-0.0404,0.6503,0.9134 2.000,0.4886,0.01161,0.00658,-0.0400,0.6475,0.9158 2.250,0.5105,0.01153,0.00654,-0.0393,0.6441,0.9181 2.500,0.5364,0.01139,0.00641,-0.0390,0.6405,0.9192 2.750,0.5637,0.01129,0.00629,-0.0391,0.6372,0.9202 3.000,0.5921,0.01123,0.00619,-0.0394,0.6341,0.9211 3.250,0.6176,0.01117,0.00616,-0.0392,0.6304,0.9222 3.500,0.6428,0.01107,0.00610,-0.0389,0.6261,0.9231 3.750,0.6696,0.01098,0.00601,-0.0389,0.6220,0.9242 4.000,0.6974,0.01091,0.00591,-0.0392,0.6183,0.9251 4.250,0.7215,0.01082,0.00588,-0.0387,0.6133,0.9260 4.500,0.7474,0.01071,0.00580,-0.0386,0.6080,0.9269 4.750,0.7746,0.01063,0.00569,-0.0388,0.6035,0.9279 5.000,0.7992,0.01054,0.00568,-0.0384,0.5973,0.9288 5.250,0.8255,0.01045,0.00561,-0.0385,0.5912,0.9295 5.500,0.8517,0.01039,0.00558,-0.0385,0.5848,0.9301 5.750,0.8775,0.01032,0.00556,-0.0384,0.5771,0.9308 6.000,0.9035,0.01028,0.00556,-0.0384,0.5693,0.9315 6.250,0.9289,0.01025,0.00554,-0.0382,0.5596,0.9323 6.500,0.9527,0.01021,0.00555,-0.0378,0.5480,0.9330 6.750,0.9759,0.01020,0.00556,-0.0372,0.5349,0.9337 7.000,0.9979,0.01025,0.00561,-0.0364,0.5197,0.9345 7.250,1.0184,0.01037,0.00570,-0.0353,0.5027,0.9354 7.500,1.0372,0.01056,0.00585,-0.0339,0.4831,0.9364 7.750,1.0541,0.01082,0.00605,-0.0323,0.4610,0.9376 8.000,1.0653,0.01120,0.00633,-0.0297,0.4313,0.9393 8.250,1.0710,0.01163,0.00664,-0.0260,0.4011,0.9416 8.500,1.0781,0.01214,0.00705,-0.0228,0.3743,0.9435 8.750,1.0834,0.01280,0.00760,-0.0196,0.3454,0.9455 9.000,1.0878,0.01350,0.00820,-0.0164,0.3202,0.9477 9.250,1.0925,0.01423,0.00887,-0.0133,0.2962,0.9502 9.500,1.0964,0.01511,0.00968,-0.0105,0.2746,0.9532 9.750,1.1018,0.01607,0.01058,-0.0082,0.2527,0.9563 10.000,1.1046,0.01727,0.01168,-0.0058,0.2295,0.9599 10.250,1.1107,0.01841,0.01278,-0.0041,0.2088,0.9645 10.500,1.1179,0.01976,0.01405,-0.0029,0.1882,0.9693 10.750,1.1296,0.02114,0.01537,-0.0027,0.1667,0.9743 11.000,1.1425,0.02269,0.01683,-0.0031,0.1466,0.9808 11.250,1.1543,0.02411,0.01820,-0.0032,0.1282,1.0000 11.500,1.1612,0.02564,0.01966,-0.0023,0.1104,1.0000 11.750,1.1677,0.02724,0.02118,-0.0015,0.0946,1.0000 12.000,1.1735,0.02890,0.02276,-0.0007,0.0783,1.0000 12.250,1.1765,0.03079,0.02455,0.0002,0.0605,1.0000 12.500,1.1752,0.03306,0.02668,0.0013,0.0407,1.0000 12.750,1.1752,0.03531,0.02885,0.0023,0.0273,1.0000 13.000,1.1755,0.03761,0.03110,0.0032,0.0195,1.0000 13.250,1.1790,0.03972,0.03323,0.0038,0.0162,1.0000 13.500,1.1852,0.04164,0.03521,0.0042,0.0152,1.0000 13.750,1.1917,0.04357,0.03722,0.0045,0.0142,1.0000 14.000,1.1974,0.04562,0.03934,0.0048,0.0136,1.0000 14.250,1.2006,0.04796,0.04175,0.0051,0.0130,1.0000 14.500,1.2016,0.05058,0.04445,0.0053,0.0125,1.0000 14.750,1.2012,0.05345,0.04741,0.0054,0.0122,1.0000 15.000,1.2018,0.05628,0.05033,0.0054,0.0119,1.0000 15.250,1.2030,0.05911,0.05326,0.0052,0.0119,1.0000 15.500,1.2058,0.06183,0.05607,0.0050,0.0115,1.0000 15.750,1.2057,0.06495,0.05929,0.0046,0.0114,1.0000 16.000,1.2060,0.06811,0.06254,0.0041,0.0111,1.0000 16.250,1.2056,0.07141,0.06594,0.0035,0.0109,1.0000 16.500,1.2046,0.07485,0.06946,0.0028,0.0108,1.0000 16.750,1.2037,0.07836,0.07306,0.0020,0.0106,1.0000 17.000,1.2029,0.08191,0.07671,0.0011,0.0104,1.0000 17.250,1.2016,0.08558,0.08047,0.0000,0.0102,1.0000 17.500,1.1995,0.08941,0.08437,-0.0012,0.0099,1.0000