Xfoil polar. Reynolds number fixed. Mach number fixed Polar key,xf-arad20-il-1000000-n5 Airfoil,arad20-il Reynolds number,1000000 Ncrit,5 Mach,0 Max Cl/Cd,98.529 Max Cl/Cd alpha,9.25 Url,http://airfoiltools.com/polar/csv?polar=xf-arad20-il-1000000-n5 Alpha,Cl,Cd,Cdp,Cm,Top_Xtr,Bot_Xtr -19.750,-1.1791,0.11159,0.10792,-0.0053,1.0000,0.0136 -19.500,-1.2223,0.10044,0.09659,-0.0115,1.0000,0.0136 -19.250,-1.2641,0.08984,0.08579,-0.0173,1.0000,0.0135 -19.000,-1.2989,0.08054,0.07632,-0.0223,1.0000,0.0135 -18.750,-1.3274,0.07249,0.06810,-0.0265,1.0000,0.0136 -18.500,-1.3500,0.06553,0.06099,-0.0300,1.0000,0.0136 -18.250,-1.3671,0.05954,0.05487,-0.0329,1.0000,0.0136 -18.000,-1.3793,0.05436,0.04956,-0.0353,1.0000,0.0137 -17.750,-1.3873,0.04988,0.04497,-0.0372,1.0000,0.0138 -17.500,-1.3919,0.04600,0.04099,-0.0386,1.0000,0.0139 -17.250,-1.3935,0.04261,0.03751,-0.0396,1.0000,0.0140 -17.000,-1.3929,0.03961,0.03443,-0.0403,1.0000,0.0141 -16.750,-1.3902,0.03701,0.03175,-0.0406,1.0000,0.0142 -16.500,-1.3860,0.03470,0.02936,-0.0406,1.0000,0.0143 -16.250,-1.3804,0.03265,0.02724,-0.0402,1.0000,0.0144 -16.000,-1.3740,0.03084,0.02536,-0.0395,1.0000,0.0145 -15.750,-1.3669,0.02924,0.02369,-0.0385,1.0000,0.0147 -15.500,-1.3600,0.02780,0.02219,-0.0370,1.0000,0.0148 -15.250,-1.3547,0.02654,0.02086,-0.0348,1.0000,0.0149 -15.000,-1.3477,0.02552,0.01979,-0.0323,1.0000,0.0150 -14.750,-1.3328,0.02469,0.01891,-0.0308,1.0000,0.0152 -14.500,-1.3157,0.02393,0.01811,-0.0295,1.0000,0.0153 -14.250,-1.2978,0.02314,0.01729,-0.0283,1.0000,0.0156 -14.000,-1.2780,0.02243,0.01655,-0.0273,1.0000,0.0159 -13.750,-1.2567,0.02177,0.01588,-0.0265,1.0000,0.0162 -13.500,-1.2342,0.02117,0.01526,-0.0258,1.0000,0.0165 -13.250,-1.2104,0.02074,0.01474,-0.0251,0.9183,0.0168 -13.000,-1.1914,0.02049,0.01421,-0.0233,0.8318,0.0172 -12.750,-1.1681,0.02022,0.01367,-0.0225,0.7551,0.0175 -12.500,-1.1432,0.01995,0.01316,-0.0220,0.6875,0.0179 -12.250,-1.1176,0.01963,0.01265,-0.0217,0.6341,0.0183 -12.000,-1.0917,0.01925,0.01215,-0.0214,0.5989,0.0188 -11.750,-1.0651,0.01888,0.01170,-0.0212,0.5760,0.0194 -11.500,-1.0380,0.01854,0.01128,-0.0210,0.5593,0.0200 -11.250,-1.0104,0.01820,0.01088,-0.0209,0.5467,0.0207 -11.000,-0.9827,0.01787,0.01050,-0.0208,0.5351,0.0213 -10.750,-0.9548,0.01751,0.01011,-0.0207,0.5254,0.0222 -10.250,-0.8978,0.01691,0.00943,-0.0207,0.5099,0.0241 -10.000,-0.8692,0.01659,0.00909,-0.0208,0.5036,0.0252 -9.750,-0.8402,0.01631,0.00878,-0.0208,0.4965,0.0264 -9.500,-0.8110,0.01606,0.00849,-0.0209,0.4902,0.0274 -9.250,-0.7817,0.01578,0.00820,-0.0210,0.4855,0.0286 -9.000,-0.7522,0.01552,0.00793,-0.0212,0.4803,0.0300 -8.500,-0.6927,0.01507,0.00742,-0.0215,0.4691,0.0328 -8.250,-0.6627,0.01484,0.00719,-0.0217,0.4654,0.0344 -8.000,-0.6326,0.01462,0.00696,-0.0220,0.4612,0.0359 -7.750,-0.6025,0.01441,0.00674,-0.0222,0.4563,0.0377 -7.500,-0.5722,0.01424,0.00653,-0.0225,0.4510,0.0395 -7.250,-0.5419,0.01403,0.00632,-0.0228,0.4471,0.0417 -7.000,-0.5114,0.01385,0.00613,-0.0230,0.4439,0.0439 -6.750,-0.4808,0.01365,0.00594,-0.0234,0.4397,0.0464 -6.500,-0.4502,0.01349,0.00576,-0.0237,0.4352,0.0489 -6.250,-0.4195,0.01332,0.00559,-0.0240,0.4307,0.0519 -6.000,-0.3888,0.01316,0.00543,-0.0244,0.4267,0.0556 -5.750,-0.3580,0.01298,0.00527,-0.0248,0.4235,0.0605 -5.500,-0.3271,0.01280,0.00511,-0.0251,0.4198,0.0666 -5.250,-0.2962,0.01264,0.00497,-0.0255,0.4157,0.0729 -5.000,-0.2653,0.01250,0.00483,-0.0260,0.4111,0.0797 -4.750,-0.2343,0.01236,0.00471,-0.0264,0.4069,0.0874 -4.500,-0.2032,0.01221,0.00459,-0.0268,0.4041,0.0959 -4.250,-0.1721,0.01206,0.00448,-0.0273,0.4003,0.1056 -4.000,-0.1409,0.01192,0.00437,-0.0278,0.3959,0.1168 -3.750,-0.1098,0.01180,0.00427,-0.0282,0.3914,0.1290 -3.500,-0.0786,0.01167,0.00418,-0.0287,0.3874,0.1432 -3.250,-0.0473,0.01153,0.00410,-0.0292,0.3839,0.1584 -3.000,-0.0161,0.01139,0.00402,-0.0298,0.3796,0.1764 -2.750,0.0152,0.01127,0.00394,-0.0303,0.3751,0.1958 -2.500,0.0465,0.01117,0.00388,-0.0309,0.3700,0.2168 -2.250,0.0778,0.01104,0.00383,-0.0314,0.3664,0.2391 -2.000,0.1091,0.01088,0.00378,-0.0320,0.3623,0.2694 -1.750,0.1404,0.01073,0.00373,-0.0326,0.3577,0.3042 -1.500,0.1717,0.01066,0.00371,-0.0332,0.3524,0.3322 -1.250,0.2031,0.01057,0.00369,-0.0338,0.3483,0.3586 -1.000,0.2345,0.01048,0.00368,-0.0344,0.3438,0.3866 -0.750,0.2658,0.01042,0.00368,-0.0349,0.3391,0.4144 -0.500,0.2971,0.01039,0.00369,-0.0355,0.3337,0.4406 -0.250,0.3285,0.01033,0.00371,-0.0361,0.3297,0.4686 0.000,0.3598,0.01028,0.00373,-0.0367,0.3247,0.4985 0.250,0.3910,0.01028,0.00377,-0.0373,0.3198,0.5237 0.500,0.4223,0.01028,0.00381,-0.0378,0.3154,0.5470 0.750,0.4535,0.01028,0.00386,-0.0384,0.3109,0.5707 1.000,0.4847,0.01030,0.00391,-0.0390,0.3058,0.5928 1.250,0.5157,0.01035,0.00398,-0.0395,0.3009,0.6129 1.500,0.5469,0.01037,0.00405,-0.0401,0.2972,0.6330 1.750,0.5780,0.01041,0.00412,-0.0406,0.2927,0.6521 2.000,0.6089,0.01049,0.00420,-0.0412,0.2875,0.6699 2.250,0.6398,0.01057,0.00430,-0.0417,0.2831,0.6878 2.500,0.6707,0.01061,0.00439,-0.0422,0.2798,0.7045 2.750,0.7015,0.01069,0.00448,-0.0427,0.2753,0.7201 3.000,0.7322,0.01080,0.00460,-0.0432,0.2704,0.7360 3.250,0.7628,0.01089,0.00471,-0.0437,0.2666,0.7512 3.500,0.7934,0.01097,0.00482,-0.0442,0.2633,0.7653 3.750,0.8239,0.01107,0.00493,-0.0447,0.2593,0.7801 4.000,0.8541,0.01120,0.00507,-0.0452,0.2547,0.7933 4.250,0.8844,0.01133,0.00520,-0.0456,0.2511,0.8066 4.500,0.9145,0.01142,0.00533,-0.0460,0.2479,0.8201 4.750,0.9445,0.01154,0.00547,-0.0465,0.2443,0.8327 5.000,0.9741,0.01169,0.00563,-0.0468,0.2403,0.8464 5.250,1.0036,0.01183,0.00579,-0.0472,0.2368,0.8589 5.500,1.0333,0.01195,0.00593,-0.0475,0.2338,0.8722 5.750,1.0622,0.01208,0.00608,-0.0477,0.2306,0.8855 6.000,1.0909,0.01224,0.00625,-0.0479,0.2271,0.8983 6.250,1.1192,0.01242,0.00644,-0.0481,0.2234,0.9120 6.500,1.1469,0.01253,0.00658,-0.0481,0.2209,0.9260 6.750,1.1740,0.01264,0.00672,-0.0479,0.2181,0.9413 7.000,1.2006,0.01277,0.00686,-0.0476,0.2151,0.9596 7.250,1.2288,0.01289,0.00698,-0.0478,0.2117,0.9911 7.500,1.2585,0.01310,0.00717,-0.0484,0.2088,1.0000 7.750,1.2881,0.01330,0.00737,-0.0490,0.2063,1.0000 8.000,1.3174,0.01352,0.00759,-0.0495,0.2036,1.0000 8.250,1.3463,0.01378,0.00783,-0.0499,0.2005,1.0000 8.500,1.3747,0.01408,0.00810,-0.0504,0.1971,1.0000 8.750,1.4035,0.01431,0.00834,-0.0508,0.1950,1.0000 9.000,1.4321,0.01455,0.00858,-0.0512,0.1928,1.0000 9.250,1.4602,0.01482,0.00884,-0.0516,0.1900,1.0000 9.500,1.4878,0.01513,0.00914,-0.0519,0.1870,1.0000 9.750,1.5148,0.01548,0.00947,-0.0521,0.1840,1.0000 10.000,1.5424,0.01573,0.00975,-0.0524,0.1822,1.0000 10.250,1.5695,0.01602,0.01004,-0.0527,0.1798,1.0000 10.500,1.5959,0.01634,0.01037,-0.0528,0.1771,1.0000 10.750,1.6216,0.01672,0.01074,-0.0529,0.1744,1.0000 11.000,1.6465,0.01713,0.01114,-0.0528,0.1717,1.0000 11.250,1.6721,0.01744,0.01148,-0.0529,0.1699,1.0000 11.500,1.6970,0.01779,0.01185,-0.0528,0.1676,1.0000 11.750,1.7208,0.01820,0.01226,-0.0526,0.1653,1.0000 12.000,1.7433,0.01867,0.01274,-0.0522,0.1628,1.0000 12.250,1.7643,0.01920,0.01327,-0.0517,0.1602,1.0000 12.500,1.7864,0.01962,0.01372,-0.0512,0.1586,1.0000 12.750,1.8070,0.02009,0.01423,-0.0506,0.1567,1.0000 13.000,1.8256,0.02065,0.01481,-0.0496,0.1546,1.0000 13.250,1.8413,0.02132,0.01551,-0.0483,0.1524,1.0000 13.500,1.8490,0.02220,0.01641,-0.0458,0.1503,1.0000 13.750,1.8550,0.02321,0.01748,-0.0432,0.1486,1.0000 14.000,1.8642,0.02425,0.01858,-0.0415,0.1473,1.0000 14.250,1.8725,0.02551,0.01989,-0.0401,0.1457,1.0000 14.500,1.8791,0.02706,0.02150,-0.0389,0.1439,1.0000 14.750,1.8831,0.02905,0.02355,-0.0381,0.1420,1.0000 15.000,1.8840,0.03160,0.02616,-0.0378,0.1401,1.0000 15.250,1.8836,0.03454,0.02919,-0.0380,0.1384,1.0000 15.500,1.8850,0.03747,0.03220,-0.0384,0.1370,1.0000 15.750,1.8823,0.04094,0.03577,-0.0391,0.1356,1.0000 16.000,1.8747,0.04501,0.03993,-0.0398,0.1340,1.0000 16.250,1.8604,0.04974,0.04476,-0.0404,0.1324,1.0000 16.500,1.8407,0.05498,0.05010,-0.0410,0.1308,1.0000 16.750,1.8147,0.06087,0.05608,-0.0415,0.1292,1.0000 17.000,1.7976,0.06570,0.06101,-0.0420,0.1280,1.0000 17.250,1.7848,0.07015,0.06554,-0.0426,0.1266,1.0000 17.500,1.7691,0.07508,0.07055,-0.0435,0.1250,1.0000 17.750,1.7532,0.08015,0.07570,-0.0444,0.1233,1.0000 18.000,1.7388,0.08507,0.08069,-0.0454,0.1216,1.0000 18.250,1.7216,0.09042,0.08610,-0.0466,0.1199,1.0000