Xfoil polar. Reynolds number fixed. Mach number fixed Polar key,xf-hq109-il-100000 Airfoil,hq109-il Reynolds number,100000 Ncrit,9 Mach,0 Max Cl/Cd,47.9797 Max Cl/Cd alpha,4.75 Url,http://airfoiltools.com/polar/csv?polar=xf-hq109-il-100000 Alpha,Cl,Cd,Cdp,Cm,Top_Xtr,Bot_Xtr -9.500,-0.5433,0.10314,0.09828,-0.0083,1.0000,0.1042 -9.250,-0.5590,0.09918,0.09442,-0.0141,1.0000,0.1085 -9.000,-0.5870,0.09446,0.08985,-0.0230,1.0000,0.1094 -8.750,-0.5462,0.09098,0.08629,-0.0139,1.0000,0.1154 -8.500,-0.5525,0.08703,0.08241,-0.0171,1.0000,0.1201 -8.250,-0.5922,0.08174,0.07720,-0.0275,1.0000,0.1225 -8.000,-0.5691,0.07789,0.07343,-0.0229,1.0000,0.1270 -7.750,-0.5726,0.07377,0.06931,-0.0255,1.0000,0.1330 -6.750,-0.5864,0.04553,0.03933,-0.0355,1.0000,0.0707 -6.500,-0.5704,0.04014,0.03322,-0.0336,1.0000,0.0560 -6.250,-0.5563,0.03562,0.02847,-0.0325,1.0000,0.0542 -6.000,-0.5400,0.03212,0.02454,-0.0310,1.0000,0.0531 -5.750,-0.5216,0.02938,0.02131,-0.0293,1.0000,0.0542 -5.500,-0.5029,0.02683,0.01830,-0.0277,1.0000,0.0581 -5.250,-0.4824,0.02456,0.01586,-0.0264,1.0000,0.0611 -5.000,-0.4608,0.02266,0.01375,-0.0248,1.0000,0.0658 -4.750,-0.4406,0.02095,0.01194,-0.0233,1.0000,0.0753 -4.500,-0.4208,0.01936,0.01036,-0.0216,1.0000,0.0889 -4.250,-0.4021,0.01811,0.00915,-0.0200,1.0000,0.1111 -4.000,-0.3845,0.01695,0.00819,-0.0183,1.0000,0.1398 -3.750,-0.3673,0.01575,0.00730,-0.0167,1.0000,0.1837 -3.500,-0.3566,0.01331,0.00646,-0.0145,1.0000,0.4262 -3.250,-0.3467,0.01285,0.00678,-0.0102,1.0000,0.6371 -3.000,-0.3337,0.01295,0.00695,-0.0064,1.0000,0.7100 -2.750,-0.3206,0.01308,0.00707,-0.0028,1.0000,0.7600 -2.500,-0.3082,0.01317,0.00714,0.0009,1.0000,0.7998 -2.250,-0.2967,0.01321,0.00717,0.0048,1.0000,0.8370 -2.000,-0.2853,0.01321,0.00717,0.0088,1.0000,0.8772 -1.750,-0.2616,0.01330,0.00722,0.0106,1.0000,0.9229 -1.500,-0.2020,0.01360,0.00729,0.0049,1.0000,0.9603 -1.250,-0.1206,0.01390,0.00733,-0.0055,1.0000,0.9859 -1.000,-0.0835,0.01384,0.00712,-0.0093,1.0000,1.0000 -0.750,-0.1021,0.01350,0.00674,-0.0040,1.0000,1.0000 -0.500,-0.0685,0.01371,0.00681,-0.0070,0.9940,1.0000 -0.250,-0.0225,0.01400,0.00699,-0.0118,0.9845,1.0000 0.000,0.0223,0.01429,0.00716,-0.0163,0.9745,1.0000 0.250,0.0680,0.01458,0.00738,-0.0207,0.9653,1.0000 0.500,0.1137,0.01484,0.00759,-0.0250,0.9562,1.0000 0.750,0.1527,0.01505,0.00779,-0.0279,0.9456,1.0000 1.000,0.1972,0.01523,0.00797,-0.0316,0.9350,1.0000 1.250,0.2546,0.01516,0.00795,-0.0372,0.9221,1.0000 1.500,0.3129,0.01489,0.00777,-0.0424,0.9077,1.0000 1.750,0.3561,0.01476,0.00771,-0.0450,0.8946,1.0000 2.000,0.3922,0.01470,0.00772,-0.0462,0.8809,1.0000 2.250,0.4238,0.01465,0.00774,-0.0463,0.8660,1.0000 2.500,0.4527,0.01460,0.00778,-0.0458,0.8500,1.0000 2.750,0.4799,0.01452,0.00776,-0.0447,0.8332,1.0000 3.000,0.5052,0.01442,0.00773,-0.0432,0.8152,1.0000 3.250,0.5276,0.01435,0.00773,-0.0412,0.7935,1.0000 3.500,0.5507,0.01420,0.00767,-0.0390,0.7704,1.0000 3.750,0.5736,0.01402,0.00754,-0.0368,0.7442,1.0000 4.000,0.5958,0.01386,0.00742,-0.0345,0.7125,1.0000 4.250,0.6179,0.01370,0.00727,-0.0322,0.6743,1.0000 4.500,0.6395,0.01364,0.00717,-0.0299,0.6247,1.0000 4.750,0.6602,0.01376,0.00720,-0.0276,0.5588,1.0000 5.000,0.6791,0.01424,0.00733,-0.0252,0.4734,1.0000 5.250,0.6965,0.01512,0.00774,-0.0232,0.3839,1.0000 5.500,0.7134,0.01626,0.00840,-0.0214,0.3049,1.0000 5.750,0.7300,0.01765,0.00936,-0.0198,0.2326,1.0000 6.000,0.7474,0.01904,0.01039,-0.0183,0.1700,1.0000 6.250,0.7657,0.02055,0.01165,-0.0169,0.1286,1.0000 6.500,0.7848,0.02233,0.01322,-0.0156,0.1012,1.0000 6.750,0.8059,0.02407,0.01499,-0.0144,0.0804,1.0000 7.000,0.8281,0.02615,0.01709,-0.0133,0.0667,1.0000 7.250,0.8509,0.02859,0.01964,-0.0123,0.0572,1.0000 7.500,0.8733,0.03097,0.02211,-0.0115,0.0509,1.0000 7.750,0.8929,0.03382,0.02541,-0.0102,0.0461,1.0000 8.000,0.9108,0.03708,0.02918,-0.0086,0.0441,1.0000 8.250,0.9244,0.04086,0.03351,-0.0068,0.0437,1.0000 8.500,0.9327,0.04520,0.03846,-0.0048,0.0441,1.0000 8.750,0.9359,0.04986,0.04363,-0.0029,0.0451,1.0000 9.000,0.9352,0.05469,0.04885,-0.0012,0.0464,1.0000 9.250,0.9320,0.05966,0.05410,0.0002,0.0477,1.0000 9.500,0.9338,0.06407,0.05877,0.0014,0.0508,1.0000 9.750,0.8856,0.07008,0.06527,0.0032,0.0543,1.0000 10.000,0.8586,0.07526,0.07060,0.0021,0.0556,1.0000 10.250,0.8328,0.08174,0.07716,-0.0016,0.0568,1.0000 10.500,0.8139,0.08904,0.08450,-0.0065,0.0586,1.0000