Xfoil polar. Reynolds number fixed. Mach number fixed Polar key,xf-naca644421-il-50000-n5 Airfoil,naca644421-il Reynolds number,50000 Ncrit,5 Mach,0 Max Cl/Cd,11.2718 Max Cl/Cd alpha,14.25 Url,http://airfoiltools.com/polar/csv?polar=xf-naca644421-il-50000-n5 Alpha,Cl,Cd,Cdp,Cm,Top_Xtr,Bot_Xtr -15.500,-0.5135,0.11254,0.10432,-0.0661,1.0000,0.0846 -15.250,-0.5770,0.09720,0.08879,-0.0745,1.0000,0.0843 -15.000,-0.6233,0.08716,0.07849,-0.0795,1.0000,0.0843 -14.750,-0.6564,0.08008,0.07117,-0.0824,1.0000,0.0845 -14.500,-0.6664,0.07596,0.06693,-0.0835,1.0000,0.0853 -14.250,-0.6610,0.07357,0.06453,-0.0836,1.0000,0.0868 -14.000,-0.6631,0.07061,0.06148,-0.0839,1.0000,0.0883 -13.750,-0.6679,0.06755,0.05830,-0.0841,1.0000,0.0902 -13.500,-0.6736,0.06456,0.05513,-0.0841,1.0000,0.0920 -13.250,-0.6791,0.06178,0.05214,-0.0837,1.0000,0.0939 -13.000,-0.6693,0.06030,0.05066,-0.0827,1.0000,0.0962 -12.750,-0.6586,0.05923,0.04965,-0.0815,1.0000,0.0988 -12.500,-0.6552,0.05800,0.04838,-0.0798,1.0000,0.1017 -12.250,-0.6574,0.05684,0.04710,-0.0776,1.0000,0.1045 -12.000,-0.6582,0.05635,0.04665,-0.0745,1.0000,0.1072 -11.750,-0.6624,0.05619,0.04658,-0.0710,1.0000,0.1095 -11.500,-0.6347,0.05471,0.04499,-0.0728,0.9903,0.1159 -11.250,-0.6035,0.05343,0.04374,-0.0751,0.9814,0.1232 -11.000,-0.5754,0.05197,0.04217,-0.0772,0.9718,0.1321 -10.750,-0.5488,0.05052,0.04078,-0.0795,0.9631,0.1424 -10.500,-0.5230,0.04892,0.03926,-0.0819,0.9549,0.1550 -10.250,-0.5015,0.04722,0.03765,-0.0839,0.9457,0.1706 -10.000,-0.4802,0.04537,0.03590,-0.0863,0.9376,0.1909 -9.750,-0.4671,0.04373,0.03451,-0.0872,0.9266,0.2135 -9.500,-0.4504,0.04213,0.03317,-0.0885,0.9180,0.2460 -9.250,-0.4327,0.04176,0.03320,-0.0879,0.9069,0.2854 -9.000,-0.3977,0.04271,0.03438,-0.0877,0.8989,0.3325 -8.750,-0.3626,0.04443,0.03609,-0.0866,0.8890,0.3647 -8.500,-0.3315,0.04544,0.03694,-0.0864,0.8808,0.3899 -8.250,-0.3159,0.04591,0.03727,-0.0848,0.8694,0.4107 -8.000,-0.3110,0.04533,0.03655,-0.0833,0.8595,0.4334 -7.750,-0.2965,0.04581,0.03690,-0.0814,0.8494,0.4502 -7.500,-0.2652,0.04675,0.03763,-0.0807,0.8431,0.4656 -7.250,-0.2537,0.04728,0.03808,-0.0781,0.8323,0.4790 -7.000,-0.2404,0.04718,0.03783,-0.0764,0.8249,0.4943 -6.750,-0.2543,0.04662,0.03722,-0.0722,0.8139,0.5098 -6.500,-0.1982,0.04821,0.03860,-0.0732,0.8087,0.5166 -6.250,-0.1936,0.04756,0.03782,-0.0709,0.8025,0.5307 -6.000,-0.1646,0.04840,0.03856,-0.0699,0.7940,0.5378 -5.750,-0.1681,0.04779,0.03788,-0.0668,0.7865,0.5503 -5.500,-0.1255,0.04799,0.03788,-0.0679,0.7827,0.5569 -5.250,-0.1533,0.04756,0.03747,-0.0620,0.7722,0.5691 -5.000,-0.1151,0.04776,0.03754,-0.0627,0.7673,0.5741 -4.750,-0.1292,0.04653,0.03620,-0.0591,0.7619,0.5874 -4.500,-0.1095,0.04715,0.03679,-0.0573,0.7537,0.5909 -4.250,-0.0857,0.04716,0.03669,-0.0566,0.7482,0.5964 -4.000,-0.0994,0.04592,0.03536,-0.0530,0.7430,0.6079 -3.750,-0.0818,0.04638,0.03577,-0.0513,0.7367,0.6114 -3.500,-0.0717,0.04652,0.03588,-0.0491,0.7304,0.6162 -3.250,-0.0736,0.04583,0.03510,-0.0464,0.7255,0.6245 -3.000,-0.0571,0.04520,0.03437,-0.0456,0.7223,0.6301 -2.750,-0.0657,0.04587,0.03507,-0.0409,0.7135,0.6341 -2.500,-0.0586,0.04571,0.03486,-0.0386,0.7082,0.6395 -2.250,-0.0620,0.04459,0.03361,-0.0365,0.7040,0.6482 -2.000,-0.0297,0.04449,0.03343,-0.0369,0.7018,0.6509 -1.750,-0.0603,0.04562,0.03465,-0.0298,0.6921,0.6550 -1.500,-0.0508,0.04557,0.03455,-0.0281,0.6879,0.6598 -1.250,-0.0374,0.04499,0.03386,-0.0276,0.6848,0.6662 -1.000,-0.0132,0.04459,0.03338,-0.0279,0.6825,0.6705 -0.750,-0.0501,0.04592,0.03479,-0.0204,0.6722,0.6741 -0.500,-0.0372,0.04608,0.03492,-0.0191,0.6684,0.6781 -0.250,-0.0178,0.04601,0.03478,-0.0190,0.6657,0.6828 0.000,0.0069,0.04566,0.03432,-0.0202,0.6636,0.6881 0.500,-0.0006,0.04734,0.03604,-0.0146,0.6516,0.6949 0.750,0.0181,0.04765,0.03632,-0.0143,0.6484,0.6989 1.000,0.0418,0.04778,0.03640,-0.0147,0.6459,0.7034 1.250,0.0715,0.04770,0.03625,-0.0162,0.6438,0.7083 1.500,0.0623,0.04905,0.03763,-0.0137,0.6369,0.7121 1.750,0.0741,0.04974,0.03834,-0.0127,0.6325,0.7154 2.000,0.0952,0.05014,0.03873,-0.0127,0.6291,0.7193 2.250,0.1221,0.05034,0.03891,-0.0133,0.6264,0.7242 2.500,0.1541,0.05045,0.03898,-0.0149,0.6243,0.7298 2.750,0.1422,0.05213,0.04072,-0.0122,0.6167,0.7338 3.000,0.1578,0.05281,0.04142,-0.0116,0.6122,0.7381 3.250,0.1821,0.05325,0.04187,-0.0120,0.6089,0.7430 3.500,0.2127,0.05355,0.04216,-0.0133,0.6063,0.7484 3.750,0.2157,0.05486,0.04352,-0.0123,0.6001,0.7531 4.000,0.2258,0.05583,0.04455,-0.0113,0.5945,0.7578 4.250,0.2483,0.05643,0.04518,-0.0115,0.5907,0.7637 4.500,0.2792,0.05682,0.04558,-0.0128,0.5877,0.7706 4.750,0.2815,0.05815,0.04698,-0.0111,0.5812,0.7758 5.000,0.2923,0.05921,0.04811,-0.0104,0.5752,0.7821 5.250,0.3185,0.05980,0.04873,-0.0112,0.5711,0.7895 5.500,0.3470,0.06006,0.04907,-0.0113,0.5682,0.7955 5.750,0.3417,0.06189,0.05098,-0.0098,0.5591,0.8022 6.000,0.3635,0.06266,0.05181,-0.0102,0.5539,0.8102 6.250,0.3898,0.06293,0.05217,-0.0099,0.5504,0.8178 6.500,0.3911,0.06461,0.05393,-0.0091,0.5417,0.8265 6.750,0.4073,0.06536,0.05478,-0.0084,0.5357,0.8352 7.000,0.4369,0.06558,0.05509,-0.0087,0.5319,0.8458 7.250,0.4337,0.06732,0.05694,-0.0071,0.5224,0.8551 7.500,0.4546,0.06785,0.05757,-0.0068,0.5164,0.8668 7.750,0.4842,0.06781,0.05765,-0.0066,0.5129,0.8802 8.000,0.4775,0.06979,0.05975,-0.0052,0.5012,0.8935 8.250,0.5054,0.06986,0.05995,-0.0052,0.4964,0.9109 8.500,0.5106,0.07155,0.06179,-0.0051,0.4858,0.9306 8.750,0.5440,0.07186,0.06227,-0.0070,0.4793,0.9594 9.000,0.5536,0.07341,0.06390,-0.0079,0.4685,1.0000 9.250,0.5843,0.07391,0.06447,-0.0095,0.4617,1.0000 9.500,0.5949,0.07575,0.06638,-0.0104,0.4507,1.0000 9.750,0.6259,0.07600,0.06670,-0.0115,0.4438,1.0000 10.000,0.6338,0.07796,0.06873,-0.0122,0.4317,1.0000 10.250,0.6689,0.07760,0.06847,-0.0130,0.4257,1.0000 10.750,0.6872,0.08106,0.07207,-0.0138,0.4009,1.0000 11.000,0.7193,0.08044,0.07155,-0.0140,0.3933,1.0000 11.250,0.7271,0.08221,0.07340,-0.0143,0.3798,1.0000 11.500,0.7403,0.08343,0.07471,-0.0145,0.3675,1.0000 11.750,0.7761,0.08190,0.07330,-0.0142,0.3603,1.0000 12.000,0.7843,0.08359,0.07508,-0.0143,0.3461,1.0000 12.250,0.7973,0.08472,0.07630,-0.0144,0.3330,1.0000 12.500,0.8360,0.08219,0.07390,-0.0135,0.3262,1.0000 12.750,0.8459,0.08363,0.07542,-0.0136,0.3114,1.0000 13.000,0.8602,0.08451,0.07639,-0.0135,0.2972,1.0000 13.250,0.8803,0.08452,0.07647,-0.0132,0.2837,1.0000 13.500,0.9050,0.08384,0.07583,-0.0126,0.2695,1.0000 13.750,0.9270,0.08355,0.07553,-0.0121,0.2535,1.0000 14.000,0.9446,0.08395,0.07587,-0.0118,0.2364,1.0000 14.250,0.9581,0.08500,0.07684,-0.0116,0.2188,1.0000 14.500,0.9684,0.08659,0.07832,-0.0116,0.2022,1.0000 14.750,0.9760,0.08863,0.08027,-0.0118,0.1869,1.0000 15.000,0.9824,0.09091,0.08245,-0.0121,0.1731,1.0000 15.250,0.9889,0.09322,0.08465,-0.0125,0.1608,1.0000 15.500,0.9939,0.09584,0.08722,-0.0131,0.1495,1.0000 15.750,0.9962,0.09906,0.09049,-0.0139,0.1394,1.0000 16.000,1.0015,0.10178,0.09317,-0.0146,0.1308,1.0000 16.250,1.0087,0.10416,0.09549,-0.0152,0.1229,1.0000 16.500,1.0103,0.10771,0.09916,-0.0164,0.1159,1.0000 16.750,1.0219,0.10934,0.10065,-0.0167,0.1097,1.0000 17.000,1.0194,0.11375,0.10530,-0.0184,0.1042,1.0000 17.250,1.0298,0.11568,0.10716,-0.0190,0.0991,1.0000 17.500,1.0267,0.12024,0.11193,-0.0209,0.0949,1.0000 17.750,1.0282,0.12396,0.11576,-0.0225,0.0910,1.0000 18.000,1.0381,0.12603,0.11778,-0.0233,0.0874,1.0000 18.250,1.0220,0.13330,0.12539,-0.0269,0.0848,1.0000 18.500,1.0115,0.13959,0.13187,-0.0302,0.0821,1.0000 18.750,1.0286,0.14019,0.13238,-0.0304,0.0792,1.0000 19.000,0.9945,0.15185,0.14437,-0.0371,0.0777,1.0000