Xfoil polar. Reynolds number fixed. Mach number fixed Polar key,xf-s819-nr-200000-n5 Airfoil,s819-nr Reynolds number,200000 Ncrit,5 Mach,0 Max Cl/Cd,54.822 Max Cl/Cd alpha,8.5 Url,http://airfoiltools.com/polar/csv?polar=xf-s819-nr-200000-n5 Alpha,Cl,Cd,Cdp,Cm,Top_Xtr,Bot_Xtr -15.500,-0.8231,0.09156,0.08574,-0.0581,1.0000,0.0212 -15.250,-0.8421,0.08836,0.08235,-0.0592,1.0000,0.0214 -15.000,-0.8549,0.08535,0.07919,-0.0599,1.0000,0.0215 -14.750,-0.8786,0.08262,0.07626,-0.0605,1.0000,0.0217 -14.500,-0.9022,0.08013,0.07358,-0.0608,1.0000,0.0218 -14.250,-0.9203,0.07783,0.07112,-0.0606,1.0000,0.0218 -14.000,-0.9428,0.07600,0.06912,-0.0599,1.0000,0.0219 -13.750,-0.9538,0.07412,0.06709,-0.0589,1.0000,0.0219 -13.500,-0.9653,0.07240,0.06525,-0.0576,1.0000,0.0220 -11.500,-0.6252,0.06285,0.05543,-0.0461,1.0000,0.0134 -11.250,-0.5717,0.06633,0.05915,-0.0416,1.0000,0.0123 -11.000,-0.5476,0.06704,0.05990,-0.0392,1.0000,0.0119 -10.750,-0.5249,0.06774,0.06062,-0.0369,1.0000,0.0115 -10.500,-0.5055,0.06810,0.06101,-0.0349,1.0000,0.0112 -10.250,-0.4880,0.06829,0.06122,-0.0330,1.0000,0.0109 -10.000,-0.4717,0.06841,0.06138,-0.0311,1.0000,0.0108 -9.750,-0.4579,0.06816,0.06114,-0.0295,1.0000,0.0106 -9.500,-0.4444,0.06805,0.06108,-0.0278,1.0000,0.0106 -9.250,-0.4335,0.06758,0.06065,-0.0263,1.0000,0.0106 -9.000,-0.4250,0.06675,0.05984,-0.0249,1.0000,0.0105 -8.750,-0.4193,0.06576,0.05891,-0.0234,1.0000,0.0108 -8.500,-0.4129,0.06483,0.05802,-0.0220,1.0000,0.0106 -8.250,-0.4067,0.06421,0.05747,-0.0203,1.0000,0.0108 -8.000,-0.4054,0.06296,0.05626,-0.0187,1.0000,0.0109 -7.750,-0.4100,0.06100,0.05431,-0.0173,0.9999,0.0109 -7.500,-0.3984,0.05722,0.05048,-0.0215,0.9953,0.0111 -7.250,-0.3948,0.05277,0.04593,-0.0256,0.9893,0.0113 -7.000,-0.3930,0.04784,0.04088,-0.0303,0.9830,0.0111 -6.750,-0.3987,0.04246,0.03536,-0.0346,0.9733,0.0114 -6.500,-0.4048,0.03729,0.03003,-0.0385,0.9608,0.0117 -6.000,-0.4186,0.02872,0.02112,-0.0432,0.9233,0.0118 -5.750,-0.4103,0.02627,0.01851,-0.0449,0.9041,0.0131 -5.500,-0.4004,0.02281,0.01474,-0.0493,0.8846,0.0142 -5.250,-0.3739,0.02132,0.01303,-0.0519,0.8696,0.0148 -5.000,-0.3432,0.02024,0.01174,-0.0542,0.8542,0.0154 -4.750,-0.3118,0.01943,0.01072,-0.0562,0.8378,0.0162 -4.500,-0.2817,0.01884,0.00994,-0.0575,0.8207,0.0171 -4.250,-0.2542,0.01830,0.00921,-0.0583,0.8032,0.0190 -4.000,-0.2280,0.01789,0.00867,-0.0587,0.7859,0.0243 -3.750,-0.2226,0.01508,0.00658,-0.0588,0.7685,0.2803 -3.500,-0.1957,0.01497,0.00653,-0.0592,0.7526,0.3127 -3.250,-0.1676,0.01525,0.00673,-0.0596,0.7373,0.3323 -2.750,-0.1132,0.01532,0.00666,-0.0598,0.7079,0.3415 -2.500,-0.0862,0.01524,0.00648,-0.0598,0.6938,0.3429 -2.250,-0.0593,0.01515,0.00631,-0.0598,0.6802,0.3443 -2.000,-0.0323,0.01507,0.00614,-0.0599,0.6672,0.3459 -1.750,-0.0053,0.01501,0.00598,-0.0599,0.6548,0.3474 -1.500,0.0217,0.01495,0.00583,-0.0600,0.6426,0.3490 -1.250,0.0486,0.01488,0.00572,-0.0600,0.6305,0.3505 -1.000,0.0755,0.01482,0.00565,-0.0600,0.6191,0.3520 -0.750,0.1024,0.01480,0.00560,-0.0600,0.6082,0.3536 -0.500,0.1294,0.01476,0.00555,-0.0601,0.5970,0.3555 -0.250,0.1566,0.01474,0.00551,-0.0601,0.5866,0.3575 0.000,0.1836,0.01475,0.00546,-0.0601,0.5765,0.3597 0.250,0.2108,0.01473,0.00542,-0.0602,0.5656,0.3621 0.500,0.2380,0.01474,0.00539,-0.0603,0.5557,0.3646 0.750,0.2649,0.01473,0.00540,-0.0603,0.5462,0.3668 1.000,0.2921,0.01474,0.00545,-0.0604,0.5367,0.3693 1.250,0.3190,0.01478,0.00548,-0.0604,0.5276,0.3721 1.500,0.3462,0.01480,0.00552,-0.0604,0.5178,0.3751 1.750,0.3733,0.01485,0.00554,-0.0605,0.5090,0.3783 2.000,0.4003,0.01489,0.00559,-0.0605,0.5002,0.3810 2.250,0.4273,0.01493,0.00569,-0.0605,0.4921,0.3838 2.500,0.4542,0.01499,0.00579,-0.0605,0.4837,0.3870 2.750,0.4813,0.01506,0.00589,-0.0606,0.4754,0.3905 3.000,0.5081,0.01514,0.00597,-0.0606,0.4672,0.3943 3.250,0.5351,0.01522,0.00610,-0.0606,0.4598,0.3976 3.500,0.5619,0.01530,0.00626,-0.0606,0.4524,0.4011 3.750,0.5887,0.01541,0.00641,-0.0606,0.4454,0.4051 4.000,0.6155,0.01552,0.00656,-0.0605,0.4377,0.4095 4.250,0.6420,0.01565,0.00674,-0.0605,0.4311,0.4134 4.500,0.6688,0.01576,0.00695,-0.0605,0.4243,0.4177 4.750,0.6951,0.01592,0.00715,-0.0604,0.4179,0.4227 5.000,0.7217,0.01605,0.00736,-0.0603,0.4109,0.4277 5.250,0.7474,0.01621,0.00759,-0.0601,0.4034,0.4324 5.500,0.7731,0.01636,0.00783,-0.0599,0.3952,0.4378 5.750,0.7981,0.01654,0.00804,-0.0595,0.3870,0.4430 6.000,0.8233,0.01669,0.00832,-0.0592,0.3783,0.4478 6.250,0.8475,0.01689,0.00855,-0.0588,0.3700,0.4533 6.500,0.8723,0.01706,0.00884,-0.0584,0.3611,0.4588 6.750,0.8959,0.01728,0.00912,-0.0578,0.3528,0.4641 7.000,0.9196,0.01747,0.00942,-0.0573,0.3430,0.4700 7.250,0.9426,0.01770,0.00973,-0.0566,0.3337,0.4760 7.500,0.9645,0.01795,0.01007,-0.0558,0.3238,0.4822 7.750,0.9872,0.01819,0.01041,-0.0551,0.3138,0.4893 8.000,1.0082,0.01846,0.01079,-0.0542,0.3035,0.4956 8.250,1.0277,0.01879,0.01118,-0.0530,0.2919,0.5028 8.500,1.0471,0.01910,0.01159,-0.0518,0.2787,0.5095 8.750,1.0639,0.01945,0.01204,-0.0502,0.2642,0.5169 9.000,1.0777,0.01987,0.01249,-0.0481,0.2472,0.5239 9.250,1.0907,0.02039,0.01306,-0.0461,0.2267,0.5314 9.750,1.1072,0.02205,0.01464,-0.0411,0.1807,0.5468 10.000,1.1128,0.02310,0.01564,-0.0385,0.1615,0.5549 10.250,1.1185,0.02419,0.01676,-0.0362,0.1451,0.5629 10.500,1.1240,0.02536,0.01794,-0.0340,0.1308,0.5715 10.750,1.1282,0.02665,0.01927,-0.0319,0.1182,0.5797 11.000,1.1327,0.02801,0.02066,-0.0300,0.1071,0.5882 11.250,1.1372,0.02945,0.02218,-0.0284,0.0976,0.5970 11.500,1.1401,0.03108,0.02389,-0.0269,0.0896,0.6059 11.750,1.1429,0.03285,0.02574,-0.0257,0.0823,0.6155 12.000,1.1459,0.03471,0.02770,-0.0247,0.0762,0.6250 12.500,1.1489,0.03900,0.03220,-0.0234,0.0657,0.6455 12.750,1.1505,0.04130,0.03464,-0.0230,0.0613,0.6563 13.250,1.1507,0.04654,0.04012,-0.0229,0.0535,0.6805 13.500,1.1497,0.04941,0.04313,-0.0231,0.0502,0.6932 13.750,1.1461,0.05268,0.04650,-0.0235,0.0472,0.7064 14.000,1.1470,0.05554,0.04954,-0.0239,0.0444,0.7219 14.250,1.1449,0.05882,0.05297,-0.0245,0.0416,0.7387 14.500,1.1396,0.06256,0.05681,-0.0254,0.0393,0.7569 14.750,1.1378,0.06588,0.06032,-0.0260,0.0371,0.7803 15.000,1.1351,0.06927,0.06391,-0.0266,0.0350,0.8113 15.250,1.1274,0.07270,0.06757,-0.0266,0.0333,0.8747 15.500,1.1179,0.07664,0.07162,-0.0274,0.0319,1.0000 15.750,1.1162,0.08058,0.07566,-0.0290,0.0302,1.0000 16.000,1.1146,0.08460,0.07978,-0.0306,0.0284,1.0000 16.250,1.1110,0.08900,0.08425,-0.0325,0.0268,1.0000 16.500,1.1052,0.09377,0.08908,-0.0347,0.0256,1.0000 16.750,1.1024,0.09818,0.09359,-0.0366,0.0243,1.0000 17.000,1.1002,0.10256,0.09808,-0.0387,0.0230,1.0000 17.250,1.0970,0.10716,0.10277,-0.0409,0.0219,1.0000 17.500,1.0923,0.11206,0.10775,-0.0433,0.0210,1.0000