Xfoil polar. Reynolds number fixed. Mach number fixed Polar key,xf-naca66209-il-500000-n5 Airfoil,naca66209-il Reynolds number,500000 Ncrit,5 Mach,0 Max Cl/Cd,60.6457 Max Cl/Cd alpha,2 Url,http://airfoiltools.com/polar/csv?polar=xf-naca66209-il-500000-n5 Alpha,Cl,Cd,Cdp,Cm,Top_Xtr,Bot_Xtr -9.750,-0.5360,0.08358,0.08133,-0.0360,1.0000,0.0060 -9.500,-0.5429,0.07815,0.07594,-0.0396,1.0000,0.0056 -9.250,-0.5570,0.07141,0.06922,-0.0458,1.0000,0.0056 -9.000,-0.5747,0.06676,0.06456,-0.0478,1.0000,0.0056 -8.750,-0.5943,0.06255,0.06030,-0.0471,0.9987,0.0054 -8.500,-0.5902,0.05547,0.05302,-0.0521,0.9831,0.0056 -8.250,-0.5838,0.04811,0.04537,-0.0555,0.9716,0.0060 -8.000,-0.5761,0.04109,0.03797,-0.0569,0.9611,0.0060 -7.750,-0.5760,0.03159,0.02779,-0.0553,0.9487,0.0067 -7.500,-0.5756,0.02257,0.01778,-0.0519,0.9378,0.0075 -7.250,-0.5545,0.02157,0.01661,-0.0513,0.9307,0.0078 -7.000,-0.5315,0.02079,0.01566,-0.0509,0.9252,0.0083 -6.750,-0.5099,0.01920,0.01381,-0.0501,0.9194,0.0088 -6.500,-0.4868,0.01789,0.01223,-0.0495,0.9141,0.0096 -6.250,-0.4633,0.01654,0.01063,-0.0488,0.9095,0.0103 -6.000,-0.4382,0.01602,0.00997,-0.0485,0.9043,0.0110 -5.750,-0.4153,0.01461,0.00838,-0.0478,0.8994,0.0121 -5.500,-0.3905,0.01405,0.00775,-0.0475,0.8951,0.0128 -5.250,-0.3656,0.01347,0.00709,-0.0472,0.8904,0.0135 -5.000,-0.3406,0.01292,0.00644,-0.0468,0.8863,0.0143 -4.750,-0.3153,0.01247,0.00592,-0.0465,0.8827,0.0155 -4.500,-0.2900,0.01201,0.00540,-0.0461,0.8784,0.0165 -4.250,-0.2649,0.01154,0.00485,-0.0458,0.8741,0.0171 -4.000,-0.2400,0.01107,0.00430,-0.0454,0.8704,0.0178 -3.750,-0.2159,0.01043,0.00357,-0.0449,0.8664,0.0194 -3.500,-0.1900,0.01010,0.00322,-0.0447,0.8624,0.0211 -3.250,-0.1636,0.00987,0.00296,-0.0445,0.8590,0.0238 -3.000,-0.1370,0.00966,0.00270,-0.0444,0.8559,0.0262 -2.750,-0.1103,0.00946,0.00246,-0.0444,0.8527,0.0282 -2.500,-0.0837,0.00920,0.00217,-0.0443,0.8490,0.0341 -2.250,-0.0567,0.00904,0.00199,-0.0442,0.8456,0.0395 -2.000,-0.0303,0.00878,0.00183,-0.0442,0.8425,0.0705 -1.750,-0.0076,0.00785,0.00160,-0.0439,0.8393,0.2791 -1.500,0.0087,0.00625,0.00143,-0.0427,0.8355,0.6728 -1.250,0.0338,0.00613,0.00153,-0.0420,0.8324,0.7485 -1.000,0.0603,0.00613,0.00158,-0.0416,0.8296,0.7780 -0.500,0.1152,0.00616,0.00162,-0.0414,0.8238,0.8023 -0.250,0.1426,0.00619,0.00166,-0.0414,0.8208,0.8139 0.000,0.1698,0.00622,0.00171,-0.0412,0.8180,0.8241 0.250,0.1979,0.00624,0.00172,-0.0413,0.8152,0.8283 0.500,0.2258,0.00624,0.00173,-0.0414,0.8114,0.8311 0.750,0.2531,0.00623,0.00172,-0.0413,0.8026,0.8344 1.000,0.2801,0.00622,0.00168,-0.0411,0.7898,0.8377 1.250,0.3073,0.00622,0.00166,-0.0410,0.7761,0.8410 1.500,0.3340,0.00623,0.00167,-0.0407,0.7618,0.8436 1.750,0.3600,0.00625,0.00166,-0.0402,0.7378,0.8469 2.000,0.3851,0.00635,0.00164,-0.0396,0.6978,0.8507 2.250,0.4017,0.00703,0.00170,-0.0374,0.5429,0.8551 2.500,0.4119,0.00853,0.00218,-0.0346,0.2982,0.8592 2.750,0.4281,0.00969,0.00259,-0.0331,0.1123,0.8637 3.000,0.4506,0.01027,0.00288,-0.0324,0.0422,0.8680 3.250,0.4757,0.01050,0.00311,-0.0320,0.0337,0.8717 3.500,0.5010,0.01071,0.00338,-0.0316,0.0298,0.8759 3.750,0.5258,0.01101,0.00369,-0.0312,0.0253,0.8806 4.000,0.5500,0.01135,0.00409,-0.0306,0.0224,0.8848 4.250,0.5743,0.01163,0.00443,-0.0300,0.0207,0.8892 4.500,0.5987,0.01194,0.00480,-0.0295,0.0187,0.8941 4.750,0.6225,0.01227,0.00517,-0.0289,0.0172,0.8989 5.000,0.6451,0.01268,0.00564,-0.0280,0.0162,0.9044 5.250,0.6668,0.01329,0.00631,-0.0270,0.0152,0.9106 5.500,0.6852,0.01419,0.00732,-0.0254,0.0144,0.9168 5.750,0.7076,0.01471,0.00792,-0.0245,0.0141,0.9234 6.000,0.7289,0.01534,0.00866,-0.0234,0.0137,0.9299 6.250,0.7508,0.01597,0.00939,-0.0224,0.0131,0.9374 6.500,0.7729,0.01653,0.01005,-0.0215,0.0123,0.9452 6.750,0.7955,0.01730,0.01092,-0.0207,0.0117,0.9546 7.000,0.8204,0.01811,0.01184,-0.0205,0.0111,0.9649 7.500,0.8766,0.01958,0.01350,-0.0218,0.0099,1.0000 7.750,0.8976,0.02157,0.01571,-0.0211,0.0091,1.0000 8.000,0.9208,0.02244,0.01675,-0.0207,0.0087,1.0000 8.250,0.9421,0.02407,0.01863,-0.0199,0.0082,1.0000 8.500,0.9616,0.02600,0.02084,-0.0190,0.0075,1.0000 8.750,0.9779,0.02847,0.02364,-0.0175,0.0071,1.0000 9.000,0.9930,0.03058,0.02603,-0.0161,0.0066,1.0000 9.250,1.0077,0.03227,0.02796,-0.0148,0.0063,1.0000 9.500,1.0256,0.03273,0.02850,-0.0140,0.0061,1.0000 9.750,1.0437,0.03288,0.02868,-0.0132,0.0059,1.0000 10.000,1.0325,0.03911,0.03554,-0.0090,0.0055,1.0000 10.250,0.9652,0.05400,0.05124,0.0001,0.0051,1.0000 10.500,0.9403,0.05860,0.05604,0.0038,0.0051,1.0000 10.750,0.9115,0.06405,0.06166,0.0058,0.0051,1.0000 11.000,0.8881,0.06914,0.06689,0.0057,0.0052,1.0000 11.250,0.8657,0.07504,0.07290,0.0036,0.0053,1.0000 11.500,0.8452,0.08223,0.08018,-0.0011,0.0054,1.0000