Xfoil polar. Reynolds number fixed. Mach number fixed Polar key,xf-m21-il-200000 Airfoil,m21-il Reynolds number,200000 Ncrit,9 Mach,0 Max Cl/Cd,70.1401 Max Cl/Cd alpha,10.5 Url,http://www.airfoiltools.com/polar/csv?polar=xf-m21-il-200000 Alpha,Cl,Cd,Cdp,Cm,Top_Xtr,Bot_Xtr -7.750,-0.2386,0.09048,0.08660,-0.0301,0.7585,0.0524 -7.500,-0.2374,0.08771,0.08381,-0.0343,0.7505,0.0539 -7.250,-0.2324,0.08567,0.08157,-0.0459,0.7445,0.0550 -7.000,-0.2224,0.08121,0.07706,-0.0478,0.7383,0.0553 -6.750,-0.2116,0.07718,0.07305,-0.0460,0.7316,0.0558 -6.500,-0.2000,0.07409,0.06988,-0.0451,0.7262,0.0564 -6.250,-0.1862,0.07125,0.06704,-0.0456,0.7192,0.0573 -6.000,-0.1715,0.06857,0.06427,-0.0466,0.7131,0.0588 -5.750,-0.1551,0.06584,0.06142,-0.0484,0.7081,0.0609 -5.500,-0.1210,0.06460,0.05972,-0.0558,0.7017,0.0643 -5.250,-0.1080,0.05984,0.05489,-0.0561,0.6964,0.0649 -5.000,-0.0942,0.05651,0.05154,-0.0555,0.6917,0.0655 -4.750,-0.0771,0.05387,0.04892,-0.0554,0.6852,0.0663 -4.500,-0.0584,0.05161,0.04657,-0.0555,0.6798,0.0678 -4.250,-0.0376,0.04952,0.04431,-0.0557,0.6754,0.0702 -4.000,0.0099,0.03191,0.02651,-0.0573,0.6600,0.0758 -3.750,0.0249,0.02862,0.02328,-0.0572,0.6552,0.0766 -3.500,0.0427,0.02634,0.02099,-0.0569,0.6499,0.0778 -3.250,0.0623,0.02440,0.01893,-0.0565,0.6453,0.0794 -3.000,0.0839,0.02264,0.01703,-0.0563,0.6410,0.0823 -2.750,0.1121,0.02099,0.01490,-0.0563,0.6354,0.0888 -2.500,0.1313,0.01891,0.01284,-0.0561,0.6309,0.0902 -2.250,0.1527,0.01745,0.01126,-0.0557,0.6270,0.0924 -2.000,0.1832,0.01767,0.01101,-0.0550,0.6211,0.1014 -1.750,0.2028,0.01498,0.00830,-0.0550,0.6167,0.1032 -1.500,0.2254,0.01373,0.00700,-0.0548,0.6126,0.1057 -1.250,0.2505,0.01295,0.00604,-0.0544,0.6087,0.1119 -1.000,0.2747,0.01198,0.00497,-0.0542,0.6032,0.1208 -0.750,0.3002,0.01130,0.00407,-0.0539,0.5983,0.1339 -0.500,0.3251,0.01053,0.00322,-0.0537,0.5946,0.1400 -0.250,0.3724,0.02189,0.01312,-0.0539,0.5964,0.0891 0.000,0.3995,0.02107,0.01229,-0.0540,0.5925,0.0927 0.250,0.4280,0.02021,0.01132,-0.0539,0.5868,0.0929 0.500,0.4564,0.01957,0.01054,-0.0538,0.5819,0.0952 0.750,0.4849,0.01927,0.01002,-0.0536,0.5780,0.1002 1.000,0.5130,0.01865,0.00936,-0.0537,0.5732,0.1036 1.250,0.5406,0.01825,0.00901,-0.0538,0.5679,0.1086 1.500,0.5686,0.01801,0.00867,-0.0537,0.5636,0.1142 1.750,0.5962,0.01764,0.00824,-0.0535,0.5597,0.1184 2.000,0.6225,0.01744,0.00818,-0.0535,0.5542,0.1249 2.250,0.6495,0.01728,0.00801,-0.0533,0.5495,0.1298 2.500,0.6759,0.01700,0.00772,-0.0530,0.5457,0.1362 2.750,0.7018,0.01697,0.00777,-0.0528,0.5408,0.1440 3.000,0.7273,0.01688,0.00775,-0.0524,0.5357,0.1516 3.250,0.7538,0.01683,0.00768,-0.0522,0.5316,0.1645 3.500,0.7804,0.01679,0.00765,-0.0519,0.5281,0.1948 3.750,0.9000,0.01561,0.00819,-0.0716,0.5194,1.0000 4.000,0.9253,0.01574,0.00822,-0.0711,0.5153,1.0000 4.250,0.9508,0.01595,0.00831,-0.0707,0.5117,1.0000 4.500,0.9742,0.01620,0.00865,-0.0702,0.5061,1.0000 4.750,0.9987,0.01636,0.00879,-0.0698,0.5014,1.0000 5.000,1.0242,0.01651,0.00884,-0.0694,0.4976,1.0000 5.250,1.0478,0.01681,0.00919,-0.0689,0.4931,1.0000 5.500,1.0712,0.01708,0.00951,-0.0683,0.4880,1.0000 5.750,1.0960,0.01724,0.00964,-0.0678,0.4838,1.0000 6.000,1.1217,0.01745,0.00975,-0.0675,0.4803,1.0000 6.250,1.1430,0.01781,0.01027,-0.0668,0.4748,1.0000 6.500,1.1666,0.01806,0.01056,-0.0662,0.4703,1.0000 6.750,1.1918,0.01825,0.01070,-0.0658,0.4665,1.0000 7.000,1.2149,0.01859,0.01110,-0.0652,0.4622,1.0000 7.250,1.2363,0.01894,0.01156,-0.0644,0.4569,1.0000 7.500,1.2603,0.01918,0.01182,-0.0640,0.4528,1.0000 7.750,1.2862,0.01941,0.01198,-0.0637,0.4493,1.0000 8.000,1.3056,0.01988,0.01264,-0.0627,0.4441,1.0000 8.250,1.3276,0.02013,0.01296,-0.0619,0.4388,1.0000 8.500,1.3541,0.02012,0.01284,-0.0617,0.4335,1.0000 8.750,1.3710,0.02039,0.01332,-0.0601,0.4258,1.0000 9.000,1.3953,0.02030,0.01316,-0.0595,0.4190,1.0000 9.250,1.4128,0.02059,0.01358,-0.0581,0.4116,1.0000 9.500,1.4343,0.02063,0.01364,-0.0571,0.4045,1.0000 9.750,1.4514,0.02087,0.01399,-0.0556,0.3966,1.0000 10.000,1.4704,0.02097,0.01411,-0.0543,0.3886,1.0000 10.250,1.4847,0.02127,0.01453,-0.0524,0.3799,1.0000 10.500,1.5017,0.02141,0.01463,-0.0508,0.3707,1.0000 10.750,1.5098,0.02179,0.01519,-0.0480,0.3597,1.0000 11.000,1.5166,0.02224,0.01572,-0.0451,0.3475,1.0000 11.250,1.5183,0.02282,0.01634,-0.0414,0.3347,1.0000 11.500,1.5137,0.02373,0.01729,-0.0373,0.3201,1.0000 11.750,1.5065,0.02521,0.01877,-0.0339,0.3006,1.0000 12.000,1.4944,0.02749,0.02099,-0.0310,0.2738,1.0000 12.250,1.4758,0.03078,0.02413,-0.0285,0.2403,1.0000 12.500,1.4518,0.03500,0.02815,-0.0265,0.2046,1.0000 12.750,1.4249,0.03984,0.03280,-0.0250,0.1712,1.0000 13.000,1.3975,0.04498,0.03779,-0.0238,0.1412,1.0000 13.250,1.3691,0.05048,0.04313,-0.0229,0.1110,1.0000 13.500,1.3415,0.05625,0.04874,-0.0224,0.0841,1.0000 13.750,1.3174,0.06189,0.05428,-0.0223,0.0650,1.0000 14.000,1.2991,0.06708,0.05942,-0.0223,0.0541,1.0000 14.250,1.2844,0.07198,0.06434,-0.0225,0.0484,1.0000 14.500,1.2753,0.07631,0.06876,-0.0228,0.0448,1.0000 14.750,1.2654,0.08083,0.07334,-0.0232,0.0423,1.0000 15.000,1.2540,0.08562,0.07820,-0.0237,0.0406,1.0000 15.250,1.2464,0.08997,0.08266,-0.0243,0.0392,1.0000