Xfoil polar. Reynolds number fixed. Mach number fixed Polar key,xf-s1221-flap-il-100000-n5 Airfoil,s1221-flap-il Reynolds number,100000 Ncrit,5 Mach,0 Max Cl/Cd,56.3866 Max Cl/Cd alpha,5 Url,http://airfoiltools.com/polar/csv?polar=xf-s1221-flap-il-100000-n5 Alpha,Cl,Cd,Cdp,Cm,Top_Xtr,Bot_Xtr -7.500,-0.1982,0.08708,0.08290,-0.0298,0.9925,0.0372 -7.250,-0.1853,0.08211,0.07794,-0.0334,0.9877,0.0352 -6.750,-0.3033,0.08815,0.08382,-0.0253,0.9969,0.0323 -6.500,-0.2828,0.08477,0.08044,-0.0292,0.9910,0.0317 -6.250,-0.2634,0.08014,0.07583,-0.0350,0.9841,0.0308 -5.750,-0.2208,0.05272,0.04817,-0.0747,0.9672,0.0268 -5.500,-0.1166,0.03630,0.03050,-0.1164,0.9632,0.0262 -5.250,-0.0431,0.03095,0.02431,-0.1307,0.9583,0.0266 -5.000,0.0137,0.02813,0.02104,-0.1384,0.9514,0.0282 -4.750,0.0646,0.02623,0.01893,-0.1438,0.9431,0.0301 -4.500,0.1086,0.02445,0.01691,-0.1471,0.9323,0.0311 -4.250,0.1516,0.02298,0.01528,-0.1499,0.9203,0.0321 -4.000,0.1917,0.02175,0.01405,-0.1521,0.9048,0.0335 -3.750,0.2273,0.02081,0.01311,-0.1536,0.8813,0.0354 -3.500,0.2553,0.02016,0.01238,-0.1537,0.8352,0.0381 -3.000,0.4751,0.01638,0.00804,-0.1864,0.6572,0.2889 -2.750,0.5074,0.01721,0.00857,-0.1867,0.6139,0.3322 -2.500,0.5384,0.01761,0.00868,-0.1870,0.5826,0.3505 -2.250,0.5717,0.01781,0.00850,-0.1879,0.5584,0.3622 -2.000,0.6020,0.01794,0.00845,-0.1881,0.5392,0.3691 -1.750,0.6340,0.01806,0.00830,-0.1887,0.5225,0.3770 -1.500,0.6650,0.01817,0.00821,-0.1892,0.5078,0.3832 -1.250,0.6954,0.01827,0.00816,-0.1895,0.4949,0.3890 -1.000,0.7267,0.01841,0.00808,-0.1901,0.4837,0.3958 -0.750,0.7561,0.01855,0.00811,-0.1902,0.4738,0.4016 -0.500,0.7859,0.01870,0.00816,-0.1904,0.4650,0.4082 -0.250,0.8159,0.01887,0.00819,-0.1908,0.4568,0.4150 0.000,0.8451,0.01904,0.00830,-0.1908,0.4492,0.4214 0.250,0.8747,0.01923,0.00840,-0.1911,0.4415,0.4303 0.500,0.9037,0.01946,0.00856,-0.1912,0.4351,0.4383 0.750,0.9334,0.01965,0.00872,-0.1914,0.4282,0.4484 1.000,0.9622,0.01987,0.00892,-0.1914,0.4226,0.4573 1.250,0.9913,0.02014,0.00913,-0.1916,0.4176,0.4684 1.500,1.0202,0.02037,0.00940,-0.1916,0.4117,0.4815 1.750,1.0485,0.02062,0.00965,-0.1916,0.4064,0.4954 2.250,1.1050,0.02118,0.01026,-0.1915,0.3971,0.5290 2.500,1.1332,0.02146,0.01061,-0.1914,0.3925,0.5488 2.750,1.1609,0.02176,0.01094,-0.1912,0.3884,0.5716 3.000,1.1885,0.02210,0.01128,-0.1910,0.3847,0.5991 3.250,1.2149,0.02238,0.01178,-0.1906,0.3801,0.6298 3.500,1.2407,0.02270,0.01223,-0.1899,0.3760,0.6646 3.750,1.2663,0.02304,0.01265,-0.1893,0.3725,0.7048 4.000,1.2921,0.02341,0.01305,-0.1887,0.3693,0.7462 4.250,1.3179,0.02379,0.01352,-0.1881,0.3656,0.7859 4.500,1.3407,0.02406,0.01395,-0.1869,0.3616,0.8228 4.750,1.3576,0.02417,0.01422,-0.1844,0.3583,0.8808 5.000,1.3826,0.02452,0.01462,-0.1838,0.3552,1.0000 5.250,1.4115,0.02505,0.01507,-0.1841,0.3522,1.0000 5.500,1.4386,0.02560,0.01572,-0.1840,0.3484,1.0000 5.750,1.4651,0.02616,0.01640,-0.1838,0.3444,1.0000 6.000,1.4919,0.02670,0.01700,-0.1836,0.3408,1.0000 6.250,1.5188,0.02722,0.01752,-0.1835,0.3374,1.0000 6.500,1.5457,0.02777,0.01809,-0.1833,0.3341,1.0000 6.750,1.5695,0.02841,0.01894,-0.1827,0.3296,1.0000 7.000,1.5942,0.02897,0.01962,-0.1822,0.3253,1.0000 7.250,1.6196,0.02947,0.02016,-0.1817,0.3214,1.0000 7.500,1.6449,0.03000,0.02072,-0.1813,0.3176,1.0000 7.750,1.6663,0.03068,0.02166,-0.1802,0.3123,1.0000 8.000,1.6895,0.03121,0.02231,-0.1794,0.3075,1.0000 8.250,1.7142,0.03164,0.02274,-0.1789,0.3035,1.0000 8.500,1.7346,0.03237,0.02370,-0.1777,0.2984,1.0000 8.750,1.7552,0.03299,0.02452,-0.1765,0.2929,1.0000 9.000,1.7779,0.03340,0.02497,-0.1756,0.2882,1.0000 9.250,1.7964,0.03409,0.02587,-0.1741,0.2824,1.0000 9.500,1.8144,0.03468,0.02664,-0.1725,0.2759,1.0000 9.750,1.8346,0.03501,0.02699,-0.1711,0.2703,1.0000 10.000,1.8478,0.03586,0.02819,-0.1689,0.2625,1.0000 10.250,1.8643,0.03627,0.02866,-0.1670,0.2560,1.0000 10.500,1.8757,0.03717,0.02985,-0.1646,0.2477,1.0000 10.750,1.8882,0.03771,0.03047,-0.1621,0.2405,1.0000 11.000,1.8954,0.03879,0.03184,-0.1591,0.2313,1.0000 11.250,1.9006,0.03972,0.03288,-0.1557,0.2236,1.0000 11.500,1.9039,0.04092,0.03427,-0.1523,0.2146,1.0000 11.750,1.9058,0.04233,0.03584,-0.1490,0.2057,1.0000 12.000,1.9051,0.04392,0.03751,-0.1456,0.1973,1.0000 12.250,1.9025,0.04602,0.03980,-0.1425,0.1876,1.0000 12.500,1.8967,0.04846,0.04237,-0.1395,0.1790,1.0000 12.750,1.8871,0.05146,0.04547,-0.1367,0.1708,1.0000 13.000,1.8747,0.05512,0.04930,-0.1346,0.1629,1.0000 13.250,1.8566,0.05975,0.05402,-0.1332,0.1565,1.0000 13.500,1.8359,0.06548,0.05996,-0.1332,0.1505,1.0000 13.750,1.8100,0.07273,0.06737,-0.1347,0.1457,1.0000 14.000,1.7813,0.08113,0.07591,-0.1374,0.1415,1.0000 14.250,1.7513,0.09035,0.08533,-0.1408,0.1369,1.0000