Xfoil polar. Reynolds number fixed. Mach number fixed Polar key,xf-hq2511-il-50000 Airfoil,hq2511-il Reynolds number,50000 Ncrit,9 Mach,0 Max Cl/Cd,35.9207 Max Cl/Cd alpha,7 Url,http://airfoiltools.com/polar/csv?polar=xf-hq2511-il-50000 Alpha,Cl,Cd,Cdp,Cm,Top_Xtr,Bot_Xtr -9.000,-0.3800,0.10546,0.09871,-0.0249,1.0000,0.2632 -8.750,-0.3916,0.10421,0.09757,-0.0250,1.0000,0.2752 -8.500,-0.3894,0.10138,0.09483,-0.0240,1.0000,0.2902 -8.250,-0.3905,0.09886,0.09240,-0.0228,1.0000,0.3055 -8.000,-0.3602,0.09373,0.08722,-0.0206,1.0000,0.3259 -7.750,-0.3596,0.09131,0.08488,-0.0188,1.0000,0.3461 -7.500,-0.3677,0.08957,0.08327,-0.0169,1.0000,0.3631 -7.250,-0.3785,0.08809,0.08193,-0.0144,1.0000,0.3788 -7.000,-0.3565,0.08401,0.07786,-0.0121,1.0000,0.4059 -6.750,-0.3468,0.08106,0.07496,-0.0093,1.0000,0.4331 -6.000,-0.5069,0.05613,0.04946,-0.0417,1.0000,0.1303 -5.750,-0.4961,0.05196,0.04509,-0.0413,1.0000,0.1228 -5.500,-0.4829,0.04692,0.03907,-0.0426,1.0000,0.1134 -5.250,-0.4666,0.04338,0.03503,-0.0424,1.0000,0.1136 -5.000,-0.4487,0.03984,0.03123,-0.0421,1.0000,0.1163 -4.750,-0.4291,0.03719,0.02831,-0.0416,1.0000,0.1236 -4.500,-0.4085,0.03481,0.02563,-0.0412,1.0000,0.1373 -4.250,-0.3854,0.03248,0.02296,-0.0407,1.0000,0.1527 -4.000,-0.3609,0.03036,0.02050,-0.0401,1.0000,0.1653 -3.750,-0.3369,0.02872,0.01862,-0.0394,1.0000,0.1783 -3.500,-0.3139,0.02742,0.01720,-0.0385,1.0000,0.1935 -3.250,-0.2914,0.02628,0.01602,-0.0374,1.0000,0.2112 -3.000,-0.2695,0.02521,0.01500,-0.0362,1.0000,0.2355 -2.750,-0.2466,0.02406,0.01405,-0.0355,1.0000,0.2777 -2.500,-0.2327,0.02177,0.01411,-0.0318,1.0000,0.5900 -2.250,-0.2421,0.02211,0.01482,-0.0209,1.0000,0.7704 -2.000,-0.2453,0.02206,0.01480,-0.0126,1.0000,0.8484 -1.750,-0.1585,0.02260,0.01489,-0.0195,1.0000,1.0000 -1.500,-0.1615,0.02210,0.01422,-0.0170,1.0000,1.0000 -1.250,-0.1502,0.02192,0.01379,-0.0166,1.0000,1.0000 -1.000,-0.1311,0.02199,0.01357,-0.0173,1.0000,1.0000 -0.750,-0.1092,0.02222,0.01351,-0.0182,1.0000,1.0000 -0.500,-0.0864,0.02254,0.01356,-0.0192,1.0000,1.0000 -0.250,-0.0635,0.02295,0.01373,-0.0201,1.0000,1.0000 0.000,-0.0410,0.02342,0.01397,-0.0209,1.0000,1.0000 0.250,-0.0189,0.02395,0.01431,-0.0216,1.0000,1.0000 0.500,0.0027,0.02454,0.01470,-0.0223,1.0000,1.0000 0.750,0.0236,0.02518,0.01519,-0.0228,1.0000,1.0000 1.000,0.0441,0.02588,0.01576,-0.0233,1.0000,1.0000 1.250,0.0812,0.02709,0.01684,-0.0270,0.9919,1.0000 1.500,0.1263,0.02852,0.01814,-0.0320,0.9781,1.0000 1.750,0.1695,0.02987,0.01941,-0.0365,0.9634,1.0000 2.000,0.2146,0.03120,0.02067,-0.0412,0.9464,1.0000 2.250,0.2660,0.03253,0.02195,-0.0465,0.9267,1.0000 2.500,0.3042,0.03343,0.02286,-0.0494,0.9061,1.0000 2.750,0.3484,0.03441,0.02385,-0.0531,0.8872,1.0000 3.000,0.3955,0.03535,0.02483,-0.0569,0.8695,1.0000 3.250,0.4240,0.03613,0.02567,-0.0578,0.8500,1.0000 3.500,0.4617,0.03685,0.02646,-0.0598,0.8305,1.0000 3.750,0.5080,0.03736,0.02708,-0.0626,0.8117,1.0000 4.000,0.5389,0.03790,0.02774,-0.0632,0.7903,1.0000 4.250,0.5821,0.03806,0.02804,-0.0649,0.7697,1.0000 4.500,0.6243,0.03805,0.02819,-0.0662,0.7490,1.0000 4.750,0.6653,0.03777,0.02813,-0.0669,0.7266,1.0000 5.000,0.7194,0.03657,0.02718,-0.0681,0.7049,1.0000 5.250,0.7689,0.03494,0.02581,-0.0680,0.6814,1.0000 5.500,0.8124,0.03334,0.02442,-0.0669,0.6555,1.0000 5.750,0.8592,0.03131,0.02261,-0.0658,0.6277,1.0000 6.000,0.9017,0.02954,0.02097,-0.0644,0.5960,1.0000 6.250,0.9418,0.02808,0.01952,-0.0629,0.5605,1.0000 6.500,0.9703,0.02769,0.01911,-0.0609,0.5211,1.0000 6.750,0.9969,0.02786,0.01915,-0.0591,0.4812,1.0000 7.000,1.0241,0.02851,0.01957,-0.0578,0.4432,1.0000 7.250,1.0457,0.02974,0.02076,-0.0563,0.4095,1.0000 7.500,1.0682,0.03105,0.02207,-0.0551,0.3808,1.0000 7.750,1.0932,0.03231,0.02324,-0.0542,0.3563,1.0000 8.000,1.1126,0.03399,0.02513,-0.0529,0.3361,1.0000 8.250,1.1358,0.03558,0.02679,-0.0520,0.3171,1.0000 8.500,1.1579,0.03721,0.02845,-0.0510,0.2974,1.0000 8.750,1.1723,0.03792,0.02908,-0.0489,0.2685,1.0000 9.000,1.1780,0.03830,0.02940,-0.0458,0.2381,1.0000 9.250,1.1851,0.03926,0.03035,-0.0430,0.2098,1.0000 9.500,1.1854,0.04089,0.03199,-0.0393,0.1773,1.0000 9.750,1.1866,0.04301,0.03386,-0.0359,0.1448,1.0000 10.000,1.1960,0.04620,0.03706,-0.0337,0.1242,1.0000 10.250,1.2077,0.04933,0.04030,-0.0319,0.1118,1.0000 10.500,1.2238,0.05226,0.04314,-0.0309,0.1014,1.0000 10.750,1.2192,0.05585,0.04736,-0.0279,0.0978,1.0000 11.000,1.2164,0.05965,0.05162,-0.0254,0.0949,1.0000 11.250,1.2125,0.06331,0.05557,-0.0231,0.0927,1.0000 11.500,1.2098,0.06707,0.05952,-0.0212,0.0908,1.0000 11.750,1.2136,0.07161,0.06410,-0.0203,0.0886,1.0000 12.000,1.1934,0.07575,0.06854,-0.0181,0.0886,1.0000 12.250,1.1146,0.08255,0.07596,-0.0179,0.0942,1.0000 12.500,1.0763,0.09010,0.08371,-0.0207,0.0964,1.0000 12.750,1.0426,0.09858,0.09230,-0.0249,0.0984,1.0000 13.000,1.0167,0.10737,0.10114,-0.0295,0.1001,1.0000 13.250,0.9967,0.11630,0.11007,-0.0341,0.1012,1.0000