Xfoil polar. Reynolds number fixed. Mach number fixed Polar key,xf-raf89-il-200000 Airfoil,raf89-il Reynolds number,200000 Ncrit,9 Mach,0 Max Cl/Cd,45.6809 Max Cl/Cd alpha,9.75 Url,http://airfoiltools.com/polar/csv?polar=xf-raf89-il-200000 Alpha,Cl,Cd,Cdp,Cm,Top_Xtr,Bot_Xtr -19.750,-0.9535,0.08710,0.08087,-0.0813,1.0000,0.1071 -19.500,-0.9825,0.08067,0.07419,-0.0839,1.0000,0.1085 -19.250,-0.9919,0.07683,0.07022,-0.0850,1.0000,0.1098 -19.000,-0.9670,0.07719,0.07072,-0.0842,1.0000,0.1116 -18.750,-0.9594,0.07546,0.06901,-0.0844,1.0000,0.1132 -18.500,-0.9611,0.07266,0.06615,-0.0850,1.0000,0.1151 -18.250,-0.9714,0.06892,0.06227,-0.0859,1.0000,0.1171 -18.000,-0.9850,0.06496,0.05811,-0.0868,1.0000,0.1187 -17.750,-0.9633,0.06493,0.05826,-0.0860,1.0000,0.1211 -17.500,-0.9579,0.06316,0.05652,-0.0860,1.0000,0.1235 -17.250,-0.9593,0.06070,0.05400,-0.0861,1.0000,0.1259 -17.000,-0.9693,0.05747,0.05060,-0.0863,1.0000,0.1284 -16.750,-0.9564,0.05661,0.04987,-0.0856,1.0000,0.1313 -16.500,-0.9526,0.05491,0.04820,-0.0852,1.0000,0.1340 -16.250,-0.9558,0.05261,0.04584,-0.0848,1.0000,0.1373 -16.000,-0.9579,0.05051,0.04368,-0.0842,1.0000,0.1404 -15.750,-0.9518,0.04927,0.04256,-0.0833,1.0000,0.1438 -15.500,-0.9549,0.04735,0.04063,-0.0824,1.0000,0.1475 -15.250,-0.9627,0.04520,0.03837,-0.0812,1.0000,0.1512 -15.000,-0.9588,0.04418,0.03750,-0.0796,1.0000,0.1550 -14.750,-0.9659,0.04272,0.03606,-0.0775,1.0000,0.1587 -14.500,-0.9889,0.04173,0.03506,-0.0729,1.0000,0.1614 -14.250,-0.9730,0.04017,0.03357,-0.0748,0.9960,0.1667 -14.000,-0.9505,0.03791,0.03125,-0.0788,0.9882,0.1735 -13.750,-0.9257,0.03620,0.02956,-0.0819,0.9808,0.1799 -13.500,-0.9034,0.03427,0.02756,-0.0854,0.9745,0.1870 -13.250,-0.8804,0.03282,0.02613,-0.0877,0.9651,0.1934 -13.000,-0.8560,0.03120,0.02445,-0.0908,0.9594,0.2005 -12.750,-0.8332,0.02993,0.02317,-0.0927,0.9500,0.2070 -12.500,-0.8053,0.02868,0.02189,-0.0958,0.9438,0.2140 -12.250,-0.7710,0.02739,0.02053,-0.0998,0.9399,0.2215 -12.000,-0.7450,0.02652,0.01966,-0.1017,0.9293,0.2278 -11.750,-0.7150,0.02532,0.01829,-0.1051,0.9222,0.2352 -11.500,-0.6824,0.02472,0.01776,-0.1074,0.9132,0.2415 -11.250,-0.6599,0.02396,0.01687,-0.1086,0.9032,0.2482 -11.000,-0.6329,0.02337,0.01625,-0.1099,0.8950,0.2543 -10.750,-0.6176,0.02302,0.01588,-0.1087,0.8846,0.2595 -10.500,-0.6022,0.02254,0.01524,-0.1080,0.8764,0.2656 -10.250,-0.5930,0.02223,0.01492,-0.1054,0.8668,0.2706 -10.000,-0.5771,0.02198,0.01469,-0.1040,0.8591,0.2759 -9.750,-0.5654,0.02173,0.01431,-0.1020,0.8525,0.2817 -9.500,-0.5704,0.02154,0.01403,-0.0968,0.8443,0.2861 -9.250,-0.5476,0.02129,0.01389,-0.0962,0.8383,0.2919 -9.000,-0.5352,0.02110,0.01364,-0.0938,0.8324,0.2976 -8.750,-0.5341,0.02099,0.01342,-0.0894,0.8261,0.3026 -8.500,-0.5187,0.02077,0.01325,-0.0875,0.8203,0.3078 -8.250,-0.5052,0.02067,0.01317,-0.0851,0.8148,0.3130 -8.000,-0.4953,0.02058,0.01300,-0.0820,0.8096,0.3187 -7.750,-0.4889,0.02058,0.01286,-0.0783,0.8047,0.3238 -7.500,-0.4698,0.02039,0.01281,-0.0769,0.7995,0.3293 -7.250,-0.4579,0.02034,0.01277,-0.0741,0.7939,0.3348 -7.000,-0.4468,0.02026,0.01258,-0.0712,0.7888,0.3408 -6.750,-0.4208,0.01996,0.01229,-0.0709,0.7848,0.3471 -6.500,-0.4015,0.01990,0.01224,-0.0695,0.7804,0.3533 -6.250,-0.3945,0.01991,0.01224,-0.0658,0.7741,0.3592 -6.000,-0.3779,0.01973,0.01203,-0.0638,0.7685,0.3654 -5.750,-0.3533,0.01947,0.01183,-0.0632,0.7639,0.3721 -5.500,-0.3311,0.01932,0.01159,-0.0621,0.7599,0.3795 -5.250,-0.3143,0.01923,0.01151,-0.0602,0.7550,0.3863 -5.000,-0.2988,0.01913,0.01151,-0.0580,0.7491,0.3930 -4.750,-0.2821,0.01903,0.01137,-0.0559,0.7440,0.4007 -4.500,-0.2564,0.01874,0.01110,-0.0555,0.7398,0.4088 -4.250,-0.2293,0.01854,0.01090,-0.0553,0.7361,0.4177 -4.000,-0.2161,0.01854,0.01089,-0.0526,0.7308,0.4260 -3.750,-0.1994,0.01843,0.01093,-0.0506,0.7248,0.4344 -3.500,-0.1807,0.01830,0.01076,-0.0488,0.7198,0.4444 -3.250,-0.1532,0.01805,0.01061,-0.0486,0.7157,0.4548 -3.000,-0.1253,0.01791,0.01043,-0.0484,0.7120,0.4671 -2.750,-0.1161,0.01800,0.01068,-0.0449,0.7056,0.4768 -2.500,-0.1002,0.01798,0.01071,-0.0425,0.6996,0.4887 -2.250,-0.0768,0.01789,0.01064,-0.0414,0.6948,0.5019 -2.000,-0.0468,0.01780,0.01056,-0.0415,0.6909,0.5150 -1.750,-0.0311,0.01791,0.01067,-0.0390,0.6854,0.5283 -1.500,-0.0177,0.01803,0.01088,-0.0361,0.6785,0.5396 -1.250,0.0056,0.01797,0.01081,-0.0349,0.6733,0.5523 -1.000,0.0357,0.01790,0.01068,-0.0349,0.6691,0.5656 -0.750,0.0563,0.01797,0.01079,-0.0334,0.6635,0.5761 -0.500,0.0684,0.01805,0.01090,-0.0302,0.6561,0.5873 -0.250,0.0954,0.01791,0.01076,-0.0297,0.6508,0.5978 0.000,0.1299,0.01778,0.01057,-0.0305,0.6464,0.6092 0.250,0.1399,0.01783,0.01067,-0.0270,0.6390,0.6185 0.500,0.1624,0.01776,0.01066,-0.0257,0.6322,0.6274 0.750,0.1909,0.01759,0.01037,-0.0254,0.6270,0.6379 1.000,0.2153,0.01752,0.01038,-0.0245,0.6205,0.6458 1.250,0.2309,0.01750,0.01040,-0.0220,0.6126,0.6542 1.500,0.2581,0.01731,0.01012,-0.0216,0.6068,0.6632 1.750,0.2829,0.01725,0.01012,-0.0207,0.5999,0.6703 2.000,0.2982,0.01722,0.01012,-0.0181,0.5917,0.6781 2.250,0.3253,0.01707,0.00985,-0.0177,0.5855,0.6862 2.500,0.3429,0.01705,0.00992,-0.0157,0.5774,0.6923 2.750,0.3628,0.01700,0.00988,-0.0139,0.5695,0.6993 3.000,0.3957,0.01691,0.00965,-0.0146,0.5632,0.7068 3.250,0.3987,0.01693,0.00977,-0.0099,0.5541,0.7128 3.500,0.4247,0.01687,0.00968,-0.0093,0.5467,0.7190 3.750,0.4412,0.01692,0.00972,-0.0071,0.5390,0.7259 4.000,0.4504,0.01692,0.00968,-0.0036,0.5309,0.7328 4.250,0.4879,0.01689,0.00958,-0.0052,0.5239,0.7386 4.500,0.4840,0.01695,0.00974,0.0007,0.5157,0.7450 4.750,0.5018,0.01696,0.00970,0.0027,0.5084,0.7523 5.000,0.5211,0.01704,0.00973,0.0042,0.5014,0.7588 5.250,0.5285,0.01715,0.00993,0.0080,0.4936,0.7656 5.500,0.5567,0.01721,0.00989,0.0080,0.4867,0.7732 5.750,0.5618,0.01742,0.01013,0.0120,0.4797,0.7818 6.000,0.5759,0.01757,0.01035,0.0144,0.4725,0.7906 6.250,0.6097,0.01766,0.01031,0.0134,0.4661,0.8020 6.500,0.6095,0.01793,0.01075,0.0182,0.4591,0.8133 6.750,0.6220,0.01809,0.01094,0.0209,0.4526,0.8264 7.000,0.6628,0.01822,0.01100,0.0184,0.4460,0.8364 7.250,0.6644,0.01853,0.01147,0.0226,0.4396,0.8531 7.500,0.6924,0.01878,0.01178,0.0221,0.4326,0.8699 7.750,0.7416,0.01910,0.01208,0.0177,0.4257,0.8845 8.000,0.7770,0.01971,0.01284,0.0150,0.4180,0.9040 8.250,0.8298,0.02014,0.01322,0.0098,0.4106,0.9196 8.500,0.8791,0.02086,0.01399,0.0047,0.4032,0.9320 8.750,0.9231,0.02150,0.01466,0.0005,0.3956,0.9447 9.000,0.9755,0.02193,0.01494,-0.0041,0.3891,0.9564 9.250,1.0038,0.02281,0.01596,-0.0060,0.3822,0.9717 9.500,1.0445,0.02342,0.01656,-0.0095,0.3753,0.9828 9.750,1.0936,0.02394,0.01695,-0.0139,0.3690,0.9908 10.000,1.1161,0.02473,0.01787,-0.0152,0.3626,1.0000 10.250,1.1051,0.02498,0.01807,-0.0097,0.3585,1.0000 10.500,1.1165,0.02524,0.01822,-0.0074,0.3539,1.0000 10.750,1.1238,0.02575,0.01870,-0.0047,0.3492,1.0000 11.000,1.1167,0.02651,0.01953,-0.0003,0.3445,1.0000 11.250,1.1222,0.02707,0.02008,0.0024,0.3396,1.0000 11.500,1.1432,0.02736,0.02025,0.0032,0.3348,1.0000 11.750,1.1451,0.02821,0.02115,0.0061,0.3302,1.0000 12.000,1.1420,0.02918,0.02219,0.0094,0.3251,1.0000 12.250,1.1507,0.02980,0.02277,0.0113,0.3199,1.0000 12.500,1.1698,0.03020,0.02306,0.0122,0.3144,1.0000 12.750,1.1589,0.03164,0.02463,0.0157,0.3092,1.0000 13.000,1.1626,0.03257,0.02557,0.0178,0.3036,1.0000 13.250,1.1876,0.03274,0.02558,0.0180,0.2984,1.0000 13.500,1.1782,0.03444,0.02743,0.0208,0.2938,1.0000 13.750,1.1792,0.03574,0.02879,0.0227,0.2887,1.0000 14.000,1.1914,0.03649,0.02949,0.0237,0.2840,1.0000 14.250,1.2047,0.03731,0.03027,0.0246,0.2794,1.0000 14.500,1.1983,0.03922,0.03233,0.0266,0.2747,1.0000 14.750,1.2035,0.04049,0.03361,0.0278,0.2698,1.0000 15.000,1.2269,0.04069,0.03366,0.0280,0.2652,1.0000 15.250,1.2168,0.04307,0.03621,0.0298,0.2606,1.0000 15.500,1.2155,0.04496,0.03817,0.0309,0.2556,1.0000 15.750,1.2273,0.04591,0.03908,0.0316,0.2511,1.0000 16.000,1.2337,0.04737,0.04054,0.0323,0.2464,1.0000 16.250,1.2249,0.05004,0.04334,0.0334,0.2414,1.0000 16.500,1.2311,0.05153,0.04482,0.0339,0.2365,1.0000 16.750,1.2435,0.05257,0.04581,0.0344,0.2319,1.0000 17.000,1.2294,0.05599,0.04940,0.0351,0.2266,1.0000 17.250,1.2329,0.05786,0.05126,0.0354,0.2216,1.0000 17.500,1.2430,0.05915,0.05250,0.0357,0.2168,1.0000 17.750,1.2278,0.06300,0.05651,0.0359,0.2114,1.0000 18.000,1.2332,0.06482,0.05829,0.0360,0.2064,1.0000 18.250,1.2307,0.06751,0.06101,0.0361,0.2010,1.0000 18.500,1.2203,0.07115,0.06476,0.0359,0.1955,1.0000 18.750,1.2376,0.07169,0.06514,0.0360,0.1904,1.0000 19.000,1.2128,0.07715,0.07082,0.0354,0.1846,1.0000 19.250,1.2139,0.07966,0.07330,0.0350,0.1794,1.0000