Xfoil polar. Reynolds number fixed. Mach number fixed Polar key,xf-k3311-il-500000 Airfoil,k3311-il Reynolds number,500000 Ncrit,9 Mach,0 Max Cl/Cd,107.346 Max Cl/Cd alpha,5.75 Url,http://airfoiltools.com/polar/csv?polar=xf-k3311-il-500000 Alpha,Cl,Cd,Cdp,Cm,Top_Xtr,Bot_Xtr -9.250,-0.3797,0.08734,0.08510,-0.0396,1.0000,0.0230 -9.000,-0.3823,0.08378,0.08158,-0.0406,1.0000,0.0232 -8.750,-0.3869,0.08027,0.07810,-0.0415,1.0000,0.0240 -8.250,-0.3518,0.05090,0.04889,-0.0603,0.9943,0.0265 -8.000,-0.4208,0.06805,0.06606,-0.0472,0.9968,0.0248 -7.750,-0.4016,0.05172,0.04917,-0.0712,0.9851,0.0265 -7.500,-0.4007,0.04100,0.03799,-0.0779,0.9758,0.0273 -7.000,-0.3443,0.03677,0.03372,-0.0832,0.9691,0.0293 -6.750,-0.3199,0.03377,0.03047,-0.0850,0.9617,0.0313 -6.500,-0.2959,0.02879,0.02473,-0.0872,0.9551,0.0356 -6.250,-0.2702,0.02695,0.02292,-0.0880,0.9463,0.0369 -6.000,-0.2415,0.02543,0.02127,-0.0892,0.9386,0.0389 -5.750,-0.2074,0.02742,0.02293,-0.0892,0.9288,0.0440 -5.500,-0.1916,0.02222,0.01760,-0.0895,0.9167,0.0479 -5.250,-0.1655,0.02145,0.01667,-0.0893,0.9053,0.0522 -5.000,-0.1427,0.01996,0.01495,-0.0890,0.8931,0.0588 -4.500,-0.0881,0.01518,0.00915,-0.0858,0.8692,0.0346 -4.250,-0.0631,0.01382,0.00767,-0.0851,0.8565,0.0339 -4.000,-0.0379,0.01297,0.00671,-0.0845,0.8439,0.0339 -3.750,-0.0127,0.01228,0.00592,-0.0838,0.8314,0.0339 -3.500,0.0127,0.01180,0.00534,-0.0832,0.8188,0.0341 -3.250,0.0374,0.01121,0.00467,-0.0824,0.8063,0.0347 -3.000,0.0616,0.01063,0.00400,-0.0816,0.7938,0.0351 -2.750,0.0862,0.01017,0.00346,-0.0809,0.7819,0.0357 -2.500,0.1115,0.00985,0.00305,-0.0803,0.7712,0.0365 -2.250,0.1373,0.00961,0.00272,-0.0798,0.7612,0.0377 -2.000,0.1635,0.00943,0.00248,-0.0794,0.7508,0.0388 -1.750,0.1899,0.00928,0.00227,-0.0790,0.7407,0.0404 -1.500,0.2163,0.00918,0.00209,-0.0786,0.7308,0.0431 -1.250,0.2426,0.00907,0.00193,-0.0781,0.7193,0.0491 -1.000,0.2658,0.00842,0.00177,-0.0775,0.7075,0.2061 -0.750,0.2864,0.00756,0.00173,-0.0765,0.6969,0.4707 -0.500,0.3100,0.00732,0.00176,-0.0756,0.6877,0.5791 -0.250,0.3341,0.00716,0.00178,-0.0747,0.6782,0.6482 0.000,0.3577,0.00701,0.00183,-0.0737,0.6693,0.7177 0.250,0.3802,0.00686,0.00188,-0.0723,0.6607,0.7970 0.500,0.4057,0.00667,0.00193,-0.0714,0.6519,0.8832 0.750,0.4852,0.00666,0.00195,-0.0826,0.6414,0.9853 1.000,0.5241,0.00674,0.00196,-0.0851,0.6317,1.0000 1.250,0.5486,0.00680,0.00198,-0.0844,0.6219,1.0000 1.500,0.5731,0.00687,0.00199,-0.0837,0.6117,1.0000 2.000,0.6220,0.00703,0.00203,-0.0822,0.5883,1.0000 2.250,0.6467,0.00712,0.00208,-0.0815,0.5780,1.0000 2.500,0.6713,0.00724,0.00214,-0.0808,0.5685,1.0000 2.750,0.6960,0.00736,0.00221,-0.0802,0.5587,1.0000 3.000,0.7210,0.00748,0.00231,-0.0796,0.5496,1.0000 3.250,0.7456,0.00764,0.00241,-0.0789,0.5411,1.0000 3.500,0.7706,0.00776,0.00252,-0.0783,0.5309,1.0000 3.750,0.7954,0.00790,0.00263,-0.0777,0.5202,1.0000 4.000,0.8200,0.00807,0.00277,-0.0771,0.5109,1.0000 4.250,0.8449,0.00820,0.00289,-0.0765,0.5000,1.0000 4.500,0.8696,0.00835,0.00303,-0.0759,0.4884,1.0000 4.750,0.8941,0.00851,0.00319,-0.0752,0.4768,1.0000 5.000,0.9185,0.00869,0.00334,-0.0745,0.4648,1.0000 5.250,0.9428,0.00886,0.00351,-0.0739,0.4530,1.0000 5.500,0.9671,0.00904,0.00368,-0.0732,0.4386,1.0000 5.750,0.9908,0.00923,0.00386,-0.0724,0.4195,1.0000 6.000,1.0135,0.00948,0.00405,-0.0715,0.3954,1.0000 6.250,1.0350,0.00982,0.00428,-0.0704,0.3665,1.0000 6.500,1.0550,0.01027,0.00458,-0.0691,0.3337,1.0000 6.750,1.0750,0.01075,0.00494,-0.0678,0.3029,1.0000 7.000,1.0950,0.01122,0.00530,-0.0666,0.2726,1.0000 7.250,1.1130,0.01184,0.00573,-0.0650,0.2343,1.0000 7.500,1.1291,0.01259,0.00626,-0.0632,0.1924,1.0000 7.750,1.1410,0.01362,0.00695,-0.0608,0.1336,1.0000 8.000,1.1497,0.01483,0.00783,-0.0579,0.0815,1.0000 8.250,1.1529,0.01636,0.00898,-0.0541,0.0309,1.0000 8.500,1.1650,0.01723,0.00986,-0.0516,0.0247,1.0000 8.750,1.1790,0.01783,0.01053,-0.0493,0.0227,1.0000 9.000,1.1903,0.01851,0.01126,-0.0466,0.0207,1.0000 9.250,1.1971,0.01945,0.01225,-0.0434,0.0192,1.0000 9.500,1.2043,0.02040,0.01330,-0.0404,0.0182,1.0000 9.750,1.2143,0.02122,0.01420,-0.0379,0.0175,1.0000 10.000,1.2227,0.02217,0.01523,-0.0354,0.0170,1.0000 10.250,1.2296,0.02326,0.01640,-0.0329,0.0164,1.0000 10.500,1.2358,0.02446,0.01766,-0.0306,0.0157,1.0000 10.750,1.2400,0.02586,0.01913,-0.0283,0.0152,1.0000 11.000,1.2414,0.02757,0.02091,-0.0260,0.0147,1.0000 11.250,1.2361,0.02994,0.02338,-0.0235,0.0143,1.0000 11.500,1.2394,0.03179,0.02533,-0.0218,0.0139,1.0000 11.750,1.2475,0.03327,0.02691,-0.0206,0.0135,1.0000 12.000,1.2529,0.03506,0.02879,-0.0194,0.0133,1.0000 12.250,1.2587,0.03686,0.03068,-0.0184,0.0129,1.0000 12.500,1.2633,0.03884,0.03274,-0.0173,0.0126,1.0000 12.750,1.2677,0.04090,0.03489,-0.0164,0.0123,1.0000 13.000,1.2720,0.04303,0.03711,-0.0155,0.0121,1.0000 13.250,1.2764,0.04517,0.03935,-0.0148,0.0119,1.0000 13.500,1.2803,0.04743,0.04170,-0.0141,0.0116,1.0000 13.750,1.2834,0.04976,0.04408,-0.0137,0.0113,1.0000 14.000,1.2870,0.05220,0.04663,-0.0129,0.0113,1.0000 14.250,1.2902,0.05474,0.04926,-0.0123,0.0111,1.0000 14.500,1.2932,0.05752,0.05213,-0.0115,0.0108,1.0000 14.750,1.2944,0.06095,0.05573,-0.0105,0.0107,1.0000 15.000,1.2936,0.06412,0.05905,-0.0105,0.0107,1.0000 15.250,1.2818,0.06887,0.06403,-0.0110,0.0105,1.0000 15.500,1.2736,0.07291,0.06825,-0.0122,0.0104,1.0000 15.750,1.2653,0.07733,0.07285,-0.0136,0.0103,1.0000 16.000,1.2562,0.08208,0.07777,-0.0151,0.0103,1.0000 16.250,1.2453,0.08728,0.08315,-0.0173,0.0102,1.0000 16.500,1.2336,0.09289,0.08895,-0.0197,0.0101,1.0000 16.750,1.2208,0.09888,0.09511,-0.0223,0.0102,1.0000 17.000,1.2037,0.10597,0.10240,-0.0259,0.0101,1.0000 17.250,1.1900,0.11265,0.10924,-0.0294,0.0101,1.0000 17.500,1.1740,0.12009,0.11684,-0.0336,0.0101,1.0000 17.750,1.1564,0.12814,0.12505,-0.0382,0.0102,1.0000 18.000,1.1391,0.13646,0.13352,-0.0433,0.0103,1.0000 18.250,1.1194,0.14579,0.14299,-0.0490,0.0103,1.0000