Xfoil polar. Reynolds number fixed. Mach number fixed Polar key,xf-usa28-il-500000 Airfoil,usa28-il Reynolds number,500000 Ncrit,9 Mach,0 Max Cl/Cd,97.2665 Max Cl/Cd alpha,5 Url,http://airfoiltools.com/polar/csv?polar=xf-usa28-il-500000 Alpha,Cl,Cd,Cdp,Cm,Top_Xtr,Bot_Xtr -14.250,-0.7934,0.06924,0.06618,-0.0689,1.0000,0.0220 -14.000,-0.8216,0.06224,0.05905,-0.0729,1.0000,0.0220 -13.750,-0.8463,0.05611,0.05280,-0.0763,1.0000,0.0220 -13.500,-0.8648,0.05102,0.04763,-0.0789,1.0000,0.0222 -13.250,-0.8857,0.04524,0.04170,-0.0828,1.0000,0.0221 -13.000,-0.9040,0.03992,0.03624,-0.0873,1.0000,0.0223 -12.750,-0.9219,0.03762,0.03383,-0.0849,1.0000,0.0224 -12.500,-0.9380,0.03640,0.03257,-0.0802,1.0000,0.0226 -12.250,-0.9485,0.03523,0.03134,-0.0757,1.0000,0.0228 -12.000,-0.9545,0.03408,0.03012,-0.0718,1.0000,0.0231 -11.750,-0.9345,0.03310,0.02906,-0.0725,0.9981,0.0238 -11.500,-0.9063,0.03181,0.02762,-0.0748,0.9950,0.0248 -11.250,-0.8806,0.03027,0.02586,-0.0765,0.9911,0.0257 -11.000,-0.8512,0.02928,0.02463,-0.0783,0.9874,0.0264 -10.750,-0.8297,0.02651,0.02173,-0.0798,0.9847,0.0276 -10.500,-0.8043,0.02567,0.02085,-0.0803,0.9798,0.0285 -10.250,-0.7757,0.02475,0.01983,-0.0814,0.9763,0.0295 -10.000,-0.7441,0.02405,0.01901,-0.0830,0.9741,0.0308 -9.750,-0.7199,0.02327,0.01808,-0.0828,0.9686,0.0317 -9.500,-0.6954,0.02175,0.01638,-0.0831,0.9643,0.0328 -9.250,-0.6670,0.02045,0.01504,-0.0842,0.9619,0.0340 -9.000,-0.6449,0.01985,0.01442,-0.0834,0.9550,0.0352 -8.750,-0.6155,0.01919,0.01367,-0.0841,0.9514,0.0365 -8.500,-0.5840,0.01847,0.01286,-0.0852,0.9491,0.0378 -8.250,-0.5611,0.01794,0.01224,-0.0843,0.9420,0.0387 -8.000,-0.5346,0.01686,0.01106,-0.0844,0.9382,0.0399 -7.750,-0.5063,0.01582,0.00997,-0.0849,0.9356,0.0415 -7.500,-0.4823,0.01523,0.00934,-0.0843,0.9287,0.0427 -7.250,-0.4508,0.01462,0.00868,-0.0852,0.9245,0.0443 -7.000,-0.4142,0.01403,0.00801,-0.0871,0.9217,0.0461 -6.750,-0.3827,0.01356,0.00747,-0.0879,0.9153,0.0472 -6.500,-0.3472,0.01268,0.00650,-0.0898,0.9105,0.0496 -6.250,-0.3037,0.01208,0.00587,-0.0934,0.9067,0.0527 -6.000,-0.2670,0.01168,0.00539,-0.0954,0.8994,0.0555 -5.750,-0.2244,0.01119,0.00482,-0.0988,0.8938,0.0595 -5.500,-0.1886,0.01074,0.00433,-0.1007,0.8860,0.0660 -5.250,-0.1543,0.01028,0.00383,-0.1022,0.8778,0.0785 -5.000,-0.1268,0.00973,0.00356,-0.1024,0.8685,0.1397 -4.750,-0.0930,0.00961,0.00340,-0.1037,0.8601,0.1603 -4.500,-0.0676,0.00951,0.00327,-0.1032,0.8507,0.1709 -4.000,-0.0132,0.00930,0.00299,-0.1028,0.8336,0.1884 -3.750,0.0154,0.00923,0.00286,-0.1029,0.8254,0.1971 -3.500,0.0386,0.00911,0.00275,-0.1018,0.8156,0.2062 -3.250,0.0639,0.00900,0.00263,-0.1012,0.8065,0.2169 -3.000,0.0886,0.00890,0.00252,-0.1004,0.7965,0.2304 -2.750,0.1114,0.00876,0.00246,-0.0993,0.7867,0.2544 -2.500,0.1366,0.00867,0.00243,-0.0987,0.7779,0.2888 -2.250,0.1596,0.00865,0.00246,-0.0975,0.7680,0.3161 -2.000,0.1846,0.00869,0.00248,-0.0967,0.7589,0.3339 -1.750,0.2088,0.00872,0.00248,-0.0958,0.7492,0.3454 -1.500,0.2330,0.00875,0.00247,-0.0949,0.7397,0.3540 -1.250,0.2580,0.00880,0.00246,-0.0941,0.7308,0.3619 -1.000,0.2815,0.00882,0.00244,-0.0930,0.7206,0.3685 -0.750,0.3061,0.00884,0.00243,-0.0922,0.7120,0.3745 -0.500,0.3307,0.00889,0.00243,-0.0914,0.7035,0.3806 -0.250,0.3557,0.00890,0.00242,-0.0907,0.6960,0.3858 0.000,0.3804,0.00893,0.00243,-0.0899,0.6884,0.3914 0.250,0.4057,0.00900,0.00244,-0.0892,0.6814,0.3969 0.500,0.4302,0.00899,0.00244,-0.0884,0.6737,0.4015 0.750,0.4552,0.00903,0.00246,-0.0877,0.6665,0.4062 1.000,0.4796,0.00907,0.00248,-0.0869,0.6588,0.4111 1.250,0.5049,0.00912,0.00251,-0.0863,0.6520,0.4161 1.500,0.5286,0.00913,0.00255,-0.0853,0.6444,0.4215 1.750,0.5537,0.00921,0.00258,-0.0846,0.6370,0.4264 2.000,0.5765,0.00922,0.00263,-0.0835,0.6285,0.4313 2.250,0.6004,0.00927,0.00267,-0.0825,0.6203,0.4368 2.500,0.6225,0.00929,0.00272,-0.0812,0.6107,0.4417 2.750,0.6451,0.00934,0.00276,-0.0800,0.6014,0.4462 3.000,0.6659,0.00936,0.00282,-0.0784,0.5902,0.4524 3.250,0.6861,0.00939,0.00287,-0.0767,0.5773,0.4589 3.500,0.7049,0.00941,0.00291,-0.0747,0.5624,0.4666 3.750,0.7225,0.00945,0.00296,-0.0724,0.5447,0.4739 4.000,0.7370,0.00950,0.00300,-0.0694,0.5241,0.4829 4.250,0.7511,0.00959,0.00306,-0.0664,0.5026,0.4937 4.500,0.7644,0.00969,0.00317,-0.0633,0.4841,0.5134 4.750,0.7730,0.00953,0.00335,-0.0593,0.4698,0.6336 5.000,0.9999,0.01028,0.00471,-0.1045,0.4387,1.0000 5.250,1.0180,0.01053,0.00492,-0.1025,0.4277,1.0000 5.500,1.0350,0.01083,0.00514,-0.1002,0.4171,1.0000 5.750,1.0532,0.01102,0.00534,-0.0982,0.4059,1.0000 6.000,1.0711,0.01123,0.00554,-0.0961,0.3955,1.0000 6.250,1.0870,0.01149,0.00575,-0.0937,0.3852,1.0000 6.500,1.1054,0.01161,0.00593,-0.0917,0.3758,1.0000 6.750,1.1201,0.01179,0.00611,-0.0889,0.3655,1.0000 7.000,1.1331,0.01198,0.00628,-0.0859,0.3509,1.0000 7.250,1.1463,0.01219,0.00646,-0.0828,0.3311,1.0000 7.500,1.1560,0.01252,0.00670,-0.0792,0.3018,1.0000 7.750,1.1577,0.01318,0.00710,-0.0742,0.2539,1.0000 8.000,1.1535,0.01420,0.00778,-0.0684,0.1972,1.0000 8.250,1.1471,0.01544,0.00865,-0.0623,0.1373,1.0000 8.500,1.1362,0.01697,0.00975,-0.0558,0.0712,1.0000 8.750,1.1315,0.01830,0.01083,-0.0505,0.0374,1.0000 9.000,1.1377,0.01915,0.01168,-0.0470,0.0312,1.0000 9.250,1.1472,0.01987,0.01245,-0.0442,0.0287,1.0000 9.500,1.1518,0.02089,0.01350,-0.0408,0.0262,1.0000 9.750,1.1612,0.02169,0.01436,-0.0382,0.0249,1.0000 10.000,1.1698,0.02256,0.01530,-0.0356,0.0240,1.0000 10.250,1.1773,0.02355,0.01633,-0.0331,0.0227,1.0000 10.500,1.1812,0.02481,0.01764,-0.0303,0.0218,1.0000 10.750,1.1788,0.02655,0.01946,-0.0270,0.0209,1.0000 11.000,1.1875,0.02764,0.02062,-0.0251,0.0204,1.0000 11.250,1.1935,0.02897,0.02202,-0.0230,0.0199,1.0000 11.500,1.1982,0.03043,0.02356,-0.0210,0.0191,1.0000 11.750,1.2034,0.03192,0.02510,-0.0192,0.0186,1.0000 12.000,1.2056,0.03371,0.02696,-0.0173,0.0183,1.0000 12.250,1.2086,0.03549,0.02880,-0.0156,0.0179,1.0000 12.500,1.2079,0.03766,0.03101,-0.0139,0.0174,1.0000 12.750,1.2030,0.04027,0.03369,-0.0120,0.0170,1.0000 13.000,1.2022,0.04258,0.03607,-0.0104,0.0167,1.0000 13.250,1.2080,0.04437,0.03795,-0.0094,0.0165,1.0000 13.500,1.2119,0.04637,0.04004,-0.0083,0.0163,1.0000 13.750,1.2172,0.04830,0.04205,-0.0075,0.0159,1.0000 14.000,1.2221,0.05030,0.04412,-0.0067,0.0155,1.0000 14.250,1.2265,0.05237,0.04626,-0.0060,0.0150,1.0000 14.500,1.2301,0.05455,0.04851,-0.0052,0.0147,1.0000 14.750,1.2342,0.05669,0.05071,-0.0045,0.0146,1.0000 15.000,1.2377,0.05892,0.05301,-0.0039,0.0143,1.0000 15.250,1.2415,0.06114,0.05528,-0.0033,0.0141,1.0000 15.500,1.2456,0.06317,0.05730,-0.0021,0.0135,1.0000 15.750,1.2516,0.06514,0.05934,-0.0013,0.0135,1.0000 16.000,1.2583,0.06704,0.06132,0.0003,0.0133,1.0000 16.250,1.2567,0.07012,0.06456,0.0001,0.0131,1.0000 16.500,1.2587,0.07277,0.06733,0.0005,0.0131,1.0000 16.750,1.2566,0.07603,0.07075,0.0004,0.0129,1.0000 17.000,1.2540,0.07943,0.07429,0.0000,0.0128,1.0000 17.250,1.2518,0.08276,0.07776,0.0000,0.0128,1.0000 17.500,1.2456,0.08682,0.08199,-0.0009,0.0126,1.0000 17.750,1.2392,0.09098,0.08632,-0.0016,0.0126,1.0000 18.000,1.2314,0.09551,0.09100,-0.0030,0.0124,1.0000 18.250,1.2211,0.10046,0.09613,-0.0043,0.0124,1.0000 18.500,1.2120,0.10539,0.10121,-0.0062,0.0124,1.0000 18.750,1.2008,0.11085,0.10683,-0.0086,0.0121,1.0000 19.000,1.1871,0.11677,0.11293,-0.0109,0.0123,1.0000 19.250,1.1752,0.12271,0.11902,-0.0140,0.0119,1.0000