Xfoil polar. Reynolds number fixed. Mach number fixed Polar key,xf-ah81k144-il-1000000 Airfoil,ah81k144-il Reynolds number,1000000 Ncrit,9 Mach,0 Max Cl/Cd,156.141 Max Cl/Cd alpha,6 Url,http://airfoiltools.com/polar/csv?polar=xf-ah81k144-il-1000000 Alpha,Cl,Cd,Cdp,Cm,Top_Xtr,Bot_Xtr -12.500,-0.2173,0.11201,0.10908,-0.0816,0.7394,0.0123 -12.250,-0.2090,0.10911,0.10617,-0.0834,0.7387,0.0126 -12.000,-0.3901,0.06194,0.05911,-0.1058,0.7393,0.0092 -11.750,-0.3586,0.06447,0.06167,-0.1050,0.7383,0.0093 -11.500,-0.3365,0.06456,0.06177,-0.1059,0.7372,0.0094 -11.250,-0.4641,0.03416,0.03049,-0.1299,0.7359,0.0085 -10.750,-0.4913,0.02895,0.02481,-0.1244,0.7335,0.0086 -10.500,-0.5106,0.02598,0.02152,-0.1191,0.7323,0.0087 -10.250,-0.5082,0.02415,0.01947,-0.1163,0.7310,0.0088 -10.000,-0.4997,0.02281,0.01801,-0.1142,0.7295,0.0092 -9.750,-0.4879,0.02159,0.01666,-0.1122,0.7288,0.0093 -9.500,-0.4762,0.02013,0.01500,-0.1101,0.7278,0.0092 -9.250,-0.4607,0.01904,0.01376,-0.1085,0.7268,0.0093 -9.000,-0.4411,0.01847,0.01312,-0.1075,0.7259,0.0096 -8.750,-0.4210,0.01785,0.01242,-0.1066,0.7248,0.0098 -8.500,-0.4010,0.01711,0.01158,-0.1055,0.7238,0.0102 -8.250,-0.3811,0.01631,0.01066,-0.1044,0.7228,0.0103 -8.000,-0.3589,0.01579,0.01007,-0.1036,0.7218,0.0106 -7.750,-0.3373,0.01514,0.00932,-0.1028,0.7207,0.0109 -7.500,-0.3153,0.01456,0.00865,-0.1020,0.7196,0.0110 -7.250,-0.2920,0.01410,0.00810,-0.1013,0.7186,0.0113 -7.000,-0.2686,0.01367,0.00760,-0.1006,0.7176,0.0115 -6.750,-0.2493,0.01283,0.00667,-0.0994,0.7166,0.0123 -6.500,-0.2260,0.01246,0.00626,-0.0988,0.7153,0.0130 -6.250,-0.2019,0.01214,0.00591,-0.0982,0.7144,0.0138 -6.000,-0.1774,0.01183,0.00557,-0.0977,0.7136,0.0144 -5.750,-0.1526,0.01154,0.00525,-0.0973,0.7126,0.0150 -5.500,-0.1296,0.01108,0.00474,-0.0965,0.7115,0.0163 -5.250,-0.1047,0.01081,0.00446,-0.0961,0.7105,0.0180 -5.000,-0.0791,0.01060,0.00422,-0.0957,0.7094,0.0195 -4.750,-0.0546,0.01028,0.00391,-0.0952,0.7083,0.0241 -4.500,-0.0293,0.01003,0.00368,-0.0948,0.7071,0.0317 -4.250,-0.0042,0.00977,0.00348,-0.0945,0.7060,0.0449 -4.000,0.0215,0.00956,0.00332,-0.0942,0.7050,0.0583 -3.750,0.0474,0.00938,0.00318,-0.0940,0.7040,0.0739 -3.500,0.0731,0.00919,0.00305,-0.0938,0.7029,0.0953 -3.250,0.0989,0.00903,0.00295,-0.0936,0.7017,0.1190 -3.000,0.1242,0.00891,0.00293,-0.0933,0.7002,0.1503 -2.750,0.1491,0.00870,0.00284,-0.0929,0.6994,0.1845 -2.500,0.1731,0.00843,0.00276,-0.0924,0.6984,0.2350 -2.250,0.1965,0.00814,0.00268,-0.0917,0.6971,0.2989 -2.000,0.2188,0.00781,0.00261,-0.0909,0.6957,0.3796 -1.750,0.2406,0.00748,0.00254,-0.0899,0.6944,0.4654 -1.500,0.2598,0.00706,0.00247,-0.0883,0.6929,0.5761 -1.250,0.2773,0.00667,0.00243,-0.0862,0.6915,0.6872 -1.000,0.2980,0.00650,0.00249,-0.0846,0.6902,0.7684 -0.750,0.3234,0.00650,0.00252,-0.0840,0.6889,0.8025 -0.500,0.3501,0.00655,0.00255,-0.0838,0.6875,0.8182 -0.250,0.3772,0.00665,0.00263,-0.0837,0.6857,0.8283 0.000,0.4032,0.00667,0.00266,-0.0833,0.6846,0.8372 0.250,0.4294,0.00669,0.00270,-0.0830,0.6831,0.8452 0.500,0.4556,0.00671,0.00272,-0.0827,0.6814,0.8525 0.750,0.4828,0.00671,0.00273,-0.0826,0.6795,0.8579 1.000,0.5093,0.00672,0.00273,-0.0824,0.6778,0.8638 1.250,0.5369,0.00671,0.00272,-0.0824,0.6760,0.8696 1.500,0.5636,0.00673,0.00273,-0.0821,0.6743,0.8769 1.750,0.5905,0.00675,0.00275,-0.0820,0.6724,0.8840 2.000,0.6165,0.00680,0.00283,-0.0816,0.6706,0.8911 2.250,0.6416,0.00679,0.00285,-0.0811,0.6686,0.8957 2.500,0.6688,0.00677,0.00286,-0.0811,0.6665,0.8993 2.750,0.6958,0.00675,0.00286,-0.0811,0.6642,0.9034 3.000,0.7223,0.00673,0.00285,-0.0809,0.6619,0.9072 3.250,0.7491,0.00671,0.00282,-0.0808,0.6596,0.9102 3.500,0.7778,0.00673,0.00283,-0.0812,0.6571,0.9128 3.750,0.8038,0.00670,0.00287,-0.0810,0.6543,0.9155 4.000,0.8304,0.00668,0.00289,-0.0809,0.6512,0.9180 4.250,0.8572,0.00666,0.00288,-0.0809,0.6480,0.9203 4.500,0.8841,0.00665,0.00287,-0.0809,0.6449,0.9225 4.750,0.9104,0.00667,0.00292,-0.0808,0.6415,0.9247 5.000,0.9380,0.00664,0.00296,-0.0810,0.6371,0.9270 5.250,0.9658,0.00664,0.00299,-0.0812,0.6329,0.9291 5.500,0.9919,0.00662,0.00300,-0.0811,0.6253,0.9317 5.750,1.0164,0.00661,0.00299,-0.0806,0.6127,0.9348 6.000,1.0399,0.00666,0.00303,-0.0799,0.5966,0.9378 6.250,1.0629,0.00687,0.00315,-0.0793,0.5658,0.9412 6.500,1.0875,0.00718,0.00339,-0.0792,0.5385,0.9447 6.750,1.1107,0.00764,0.00373,-0.0790,0.5057,0.9493 7.000,1.1341,0.00831,0.00425,-0.0791,0.4646,0.9543 7.250,1.1580,0.00949,0.00514,-0.0801,0.3996,0.9599 7.500,1.1767,0.01100,0.00630,-0.0807,0.3266,0.9700 7.750,1.1800,0.01289,0.00786,-0.0789,0.2621,1.0000 8.000,1.1779,0.01499,0.00971,-0.0766,0.2113,1.0000 8.250,1.1726,0.01734,0.01174,-0.0740,0.1543,1.0000 8.500,1.1707,0.01937,0.01351,-0.0715,0.1088,1.0000 8.750,1.1707,0.02123,0.01515,-0.0692,0.0705,1.0000 9.000,1.1756,0.02278,0.01655,-0.0674,0.0453,1.0000 9.250,1.1845,0.02408,0.01778,-0.0659,0.0328,1.0000 9.500,1.1960,0.02519,0.01888,-0.0647,0.0265,1.0000 9.750,1.2075,0.02633,0.01999,-0.0636,0.0229,1.0000 10.000,1.2207,0.02734,0.02104,-0.0626,0.0208,1.0000 10.250,1.2331,0.02841,0.02214,-0.0615,0.0195,1.0000 10.500,1.2418,0.02976,0.02350,-0.0602,0.0170,1.0000 10.750,1.2536,0.03090,0.02469,-0.0591,0.0163,1.0000 11.000,1.2668,0.03193,0.02576,-0.0583,0.0155,1.0000 11.250,1.2787,0.03311,0.02698,-0.0574,0.0148,1.0000 11.500,1.2893,0.03443,0.02832,-0.0564,0.0139,1.0000 11.750,1.2949,0.03618,0.03012,-0.0550,0.0128,1.0000 12.000,1.3025,0.03779,0.03181,-0.0538,0.0123,1.0000 12.250,1.3163,0.03890,0.03296,-0.0532,0.0118,1.0000 12.500,1.3270,0.04031,0.03441,-0.0524,0.0111,1.0000 12.750,1.3374,0.04175,0.03589,-0.0516,0.0106,1.0000 13.000,1.3477,0.04322,0.03740,-0.0509,0.0104,1.0000 13.250,1.3546,0.04500,0.03922,-0.0500,0.0100,1.0000 13.500,1.3493,0.04796,0.04229,-0.0483,0.0093,1.0000 13.750,1.3611,0.04939,0.04376,-0.0478,0.0091,1.0000 14.000,1.3716,0.05093,0.04537,-0.0473,0.0088,1.0000 14.250,1.3793,0.05276,0.04726,-0.0466,0.0085,1.0000 14.500,1.3823,0.05509,0.04967,-0.0458,0.0085,1.0000 14.750,1.3880,0.05718,0.05183,-0.0451,0.0082,1.0000 15.000,1.3982,0.05886,0.05355,-0.0448,0.0079,1.0000 15.250,1.4019,0.06123,0.05598,-0.0442,0.0077,1.0000 15.500,1.4096,0.06320,0.05799,-0.0440,0.0074,1.0000 15.750,1.4102,0.06595,0.06082,-0.0434,0.0073,1.0000 16.000,1.4071,0.06915,0.06409,-0.0428,0.0069,1.0000 16.250,1.4009,0.07277,0.06783,-0.0421,0.0067,1.0000 16.500,1.4049,0.07531,0.07046,-0.0419,0.0066,1.0000 16.750,1.4096,0.07781,0.07303,-0.0420,0.0065,1.0000 17.000,1.4098,0.08083,0.07615,-0.0418,0.0065,1.0000 17.250,1.4120,0.08368,0.07910,-0.0419,0.0063,1.0000 17.500,1.4133,0.08673,0.08224,-0.0421,0.0061,1.0000 17.750,1.4137,0.08991,0.08550,-0.0423,0.0061,1.0000 18.000,1.4177,0.09272,0.08839,-0.0428,0.0057,1.0000 18.250,1.4126,0.09664,0.09242,-0.0431,0.0058,1.0000 18.500,1.4128,0.10000,0.09586,-0.0438,0.0056,1.0000 18.750,1.4109,0.10364,0.09959,-0.0444,0.0055,1.0000 19.000,1.4092,0.10737,0.10340,-0.0453,0.0054,1.0000 19.250,1.4074,0.11118,0.10729,-0.0464,0.0052,1.0000