Xfoil polar. Reynolds number fixed. Mach number fixed Polar key,xf-s4320-il-500000 Airfoil,s4320-il Reynolds number,500000 Ncrit,9 Mach,0 Max Cl/Cd,117.156 Max Cl/Cd alpha,4.75 Url,http://airfoiltools.com/polar/csv?polar=xf-s4320-il-500000 Alpha,Cl,Cd,Cdp,Cm,Top_Xtr,Bot_Xtr -8.500,-0.2781,0.09182,0.08972,-0.0335,1.0000,0.0144 -8.250,-0.2733,0.08931,0.08724,-0.0340,1.0000,0.0149 -8.000,-0.2709,0.08665,0.08463,-0.0346,1.0000,0.0155 -7.750,-0.2566,0.08270,0.08070,-0.0390,0.9845,0.0158 -7.500,-0.2307,0.07720,0.07517,-0.0482,0.9645,0.0173 -7.250,-0.2066,0.07113,0.06904,-0.0599,0.9333,0.0181 -7.000,-0.1963,0.06693,0.06476,-0.0649,0.9060,0.0182 -6.750,-0.1876,0.06271,0.06043,-0.0691,0.8853,0.0183 -6.500,-0.1870,0.05780,0.05547,-0.0717,0.8694,0.0190 -6.250,-0.1738,0.05525,0.05284,-0.0735,0.8557,0.0195 -6.000,-0.1582,0.05173,0.04923,-0.0768,0.8430,0.0201 -5.750,-0.1400,0.04763,0.04500,-0.0808,0.8316,0.0208 -5.500,-0.1189,0.04261,0.03980,-0.0854,0.8214,0.0222 -5.250,-0.0908,0.03324,0.02972,-0.0919,0.8122,0.0248 -5.000,-0.0717,0.02997,0.02639,-0.0933,0.8033,0.0261 -4.750,-0.0479,0.02859,0.02487,-0.0938,0.7952,0.0277 -4.500,-0.0202,0.02429,0.01988,-0.0954,0.7869,0.0334 -4.250,0.0045,0.02304,0.01863,-0.0956,0.7794,0.0350 -4.000,0.0351,0.02470,0.02005,-0.0949,0.7707,0.0413 -3.750,0.0637,0.01555,0.00971,-0.0954,0.7652,0.0249 -3.500,0.0919,0.01439,0.00835,-0.0953,0.7572,0.0248 -3.250,0.1192,0.01272,0.00643,-0.0952,0.7507,0.0255 -3.000,0.1472,0.01178,0.00542,-0.0951,0.7429,0.0263 -2.500,0.2032,0.01061,0.00408,-0.0949,0.7286,0.0277 -2.250,0.2312,0.01023,0.00359,-0.0947,0.7220,0.0287 -2.000,0.2596,0.00990,0.00323,-0.0947,0.7145,0.0301 -1.750,0.2878,0.00967,0.00291,-0.0946,0.7077,0.0317 -1.500,0.3163,0.00935,0.00254,-0.0946,0.7003,0.0335 -1.250,0.3447,0.00915,0.00227,-0.0945,0.6934,0.0379 -1.000,0.3732,0.00889,0.00208,-0.0945,0.6859,0.0638 -0.750,0.4010,0.00837,0.00199,-0.0948,0.6788,0.2135 -0.500,0.4289,0.00797,0.00198,-0.0950,0.6710,0.3508 -0.250,0.4560,0.00752,0.00200,-0.0950,0.6638,0.5303 0.000,0.4814,0.00704,0.00207,-0.0945,0.6560,0.7178 0.250,0.5073,0.00649,0.00200,-0.0933,0.6488,1.0000 0.500,0.5357,0.00654,0.00199,-0.0934,0.6406,1.0000 0.750,0.5638,0.00663,0.00196,-0.0933,0.6332,1.0000 1.000,0.5922,0.00669,0.00197,-0.0933,0.6247,1.0000 1.250,0.6203,0.00678,0.00197,-0.0932,0.6170,1.0000 1.500,0.6484,0.00685,0.00199,-0.0932,0.6081,1.0000 1.750,0.6765,0.00694,0.00202,-0.0932,0.5994,1.0000 2.000,0.7043,0.00705,0.00204,-0.0931,0.5904,1.0000 2.250,0.7323,0.00713,0.00209,-0.0931,0.5804,1.0000 2.500,0.7601,0.00723,0.00214,-0.0930,0.5705,1.0000 2.750,0.7877,0.00735,0.00220,-0.0929,0.5605,1.0000 3.000,0.8155,0.00745,0.00227,-0.0928,0.5492,1.0000 3.250,0.8431,0.00757,0.00235,-0.0928,0.5378,1.0000 3.500,0.8705,0.00770,0.00245,-0.0927,0.5258,1.0000 3.750,0.8978,0.00785,0.00255,-0.0925,0.5131,1.0000 4.000,0.9249,0.00801,0.00266,-0.0924,0.4995,1.0000 4.250,0.9518,0.00818,0.00279,-0.0923,0.4849,1.0000 4.500,0.9786,0.00837,0.00295,-0.0921,0.4693,1.0000 4.750,1.0052,0.00858,0.00310,-0.0919,0.4528,1.0000 5.000,1.0315,0.00882,0.00328,-0.0917,0.4354,1.0000 5.250,1.0574,0.00909,0.00348,-0.0914,0.4170,1.0000 5.500,1.0833,0.00937,0.00372,-0.0912,0.3977,1.0000 5.750,1.1088,0.00967,0.00396,-0.0909,0.3777,1.0000 6.000,1.1338,0.01003,0.00423,-0.0905,0.3580,1.0000 6.250,1.1589,0.01037,0.00451,-0.0902,0.3378,1.0000 6.500,1.1835,0.01075,0.00483,-0.0898,0.3180,1.0000 6.750,1.2078,0.01115,0.00517,-0.0894,0.2994,1.0000 7.000,1.2322,0.01154,0.00551,-0.0890,0.2824,1.0000 7.250,1.2562,0.01195,0.00588,-0.0885,0.2652,1.0000 7.500,1.2798,0.01239,0.00628,-0.0880,0.2483,1.0000 7.750,1.3031,0.01283,0.00668,-0.0875,0.2332,1.0000 8.000,1.3256,0.01334,0.00713,-0.0869,0.2164,1.0000 8.250,1.3481,0.01383,0.00757,-0.0863,0.1994,1.0000 8.500,1.3701,0.01434,0.00806,-0.0856,0.1839,1.0000 8.750,1.3914,0.01489,0.00856,-0.0848,0.1682,1.0000 9.000,1.4118,0.01548,0.00909,-0.0839,0.1521,1.0000 9.250,1.4318,0.01609,0.00965,-0.0830,0.1378,1.0000 9.500,1.4513,0.01669,0.01024,-0.0820,0.1255,1.0000 9.750,1.4699,0.01734,0.01087,-0.0809,0.1133,1.0000 10.000,1.4873,0.01803,0.01153,-0.0796,0.1010,1.0000 10.250,1.5038,0.01873,0.01222,-0.0783,0.0909,1.0000 10.500,1.5182,0.01951,0.01297,-0.0766,0.0799,1.0000 10.750,1.5288,0.02034,0.01376,-0.0743,0.0701,1.0000 11.000,1.5367,0.02128,0.01467,-0.0718,0.0596,1.0000 11.250,1.5422,0.02242,0.01577,-0.0692,0.0466,1.0000 11.500,1.5402,0.02416,0.01738,-0.0661,0.0290,1.0000 11.750,1.5343,0.02636,0.01948,-0.0631,0.0152,1.0000 12.000,1.5332,0.02840,0.02155,-0.0608,0.0109,1.0000 12.250,1.5358,0.03027,0.02351,-0.0592,0.0095,1.0000 12.500,1.5392,0.03217,0.02552,-0.0578,0.0086,1.0000 12.750,1.5404,0.03437,0.02782,-0.0565,0.0080,1.0000 13.000,1.5397,0.03687,0.03044,-0.0554,0.0075,1.0000 13.250,1.5371,0.03967,0.03337,-0.0545,0.0071,1.0000 13.500,1.5373,0.04232,0.03615,-0.0539,0.0069,1.0000 13.750,1.5365,0.04516,0.03911,-0.0536,0.0066,1.0000 14.000,1.5331,0.04842,0.04251,-0.0534,0.0064,1.0000 14.250,1.5300,0.05177,0.04598,-0.0535,0.0060,1.0000 14.500,1.5245,0.05555,0.04990,-0.0538,0.0058,1.0000 14.750,1.5175,0.05974,0.05421,-0.0545,0.0057,1.0000 15.000,1.5081,0.06447,0.05908,-0.0555,0.0056,1.0000 15.250,1.4985,0.06945,0.06420,-0.0568,0.0055,1.0000 15.500,1.4863,0.07506,0.06994,-0.0586,0.0054,1.0000 15.750,1.4745,0.08084,0.07586,-0.0606,0.0053,1.0000 16.000,1.4588,0.08749,0.08266,-0.0631,0.0052,1.0000 16.250,1.4451,0.09401,0.08932,-0.0658,0.0052,1.0000