Xfoil polar. Reynolds number fixed. Mach number fixed Polar key,xf-naca644421-il-1000000-n5 Airfoil,naca644421-il Reynolds number,1000000 Ncrit,5 Mach,0 Max Cl/Cd,112.47 Max Cl/Cd alpha,6.25 Url,http://airfoiltools.com/polar/csv?polar=xf-naca644421-il-1000000-n5 Alpha,Cl,Cd,Cdp,Cm,Top_Xtr,Bot_Xtr -19.750,-1.0946,0.07661,0.07229,-0.0649,1.0000,0.0205 -19.500,-1.0934,0.07371,0.06932,-0.0660,1.0000,0.0208 -19.250,-1.0917,0.07086,0.06642,-0.0670,1.0000,0.0210 -19.000,-1.0888,0.06821,0.06371,-0.0678,1.0000,0.0211 -18.750,-1.0860,0.06561,0.06105,-0.0686,1.0000,0.0213 -18.500,-1.0813,0.06325,0.05864,-0.0693,1.0000,0.0216 -18.250,-1.0775,0.06081,0.05613,-0.0700,1.0000,0.0217 -18.000,-1.0706,0.05876,0.05404,-0.0705,1.0000,0.0219 -17.750,-1.0665,0.05640,0.05163,-0.0711,1.0000,0.0221 -17.500,-1.0623,0.05414,0.04933,-0.0716,1.0000,0.0224 -17.250,-1.0576,0.05193,0.04709,-0.0720,1.0000,0.0227 -17.000,-1.0508,0.04999,0.04511,-0.0724,1.0000,0.0229 -16.750,-1.0437,0.04809,0.04317,-0.0726,1.0000,0.0231 -16.500,-1.0249,0.04594,0.04099,-0.0751,0.9626,0.0236 -16.250,-0.9801,0.04354,0.03852,-0.0832,0.9497,0.0241 -16.000,-0.9313,0.04123,0.03610,-0.0920,0.9329,0.0246 -15.750,-0.8981,0.03950,0.03419,-0.0969,0.8996,0.0251 -15.500,-0.8867,0.03825,0.03278,-0.0969,0.8711,0.0253 -15.250,-0.8787,0.03688,0.03130,-0.0965,0.8520,0.0257 -15.000,-0.8709,0.03553,0.02985,-0.0960,0.8368,0.0261 -14.750,-0.8623,0.03427,0.02851,-0.0955,0.8222,0.0265 -14.500,-0.8528,0.03305,0.02722,-0.0950,0.8094,0.0269 -14.250,-0.8425,0.03193,0.02603,-0.0945,0.7969,0.0274 -14.000,-0.8324,0.03077,0.02480,-0.0940,0.7867,0.0277 -13.750,-0.8211,0.02974,0.02370,-0.0934,0.7773,0.0283 -13.500,-0.8098,0.02870,0.02260,-0.0929,0.7689,0.0287 -13.250,-0.7983,0.02773,0.02156,-0.0922,0.7610,0.0290 -13.000,-0.7875,0.02670,0.02049,-0.0916,0.7535,0.0294 -12.750,-0.7773,0.02569,0.01942,-0.0908,0.7451,0.0300 -12.500,-0.7661,0.02474,0.01843,-0.0900,0.7382,0.0306 -12.250,-0.7546,0.02381,0.01747,-0.0892,0.7302,0.0313 -12.000,-0.7425,0.02296,0.01656,-0.0884,0.7232,0.0321 -11.750,-0.7298,0.02213,0.01569,-0.0876,0.7169,0.0327 -11.500,-0.7162,0.02137,0.01488,-0.0868,0.7103,0.0333 -11.250,-0.7049,0.02053,0.01400,-0.0857,0.7036,0.0341 -11.000,-0.6927,0.01971,0.01316,-0.0848,0.6981,0.0351 -10.750,-0.6794,0.01898,0.01240,-0.0838,0.6920,0.0360 -10.500,-0.6661,0.01829,0.01166,-0.0827,0.6855,0.0370 -10.250,-0.6522,0.01764,0.01097,-0.0817,0.6800,0.0379 -10.000,-0.6393,0.01694,0.01025,-0.0805,0.6744,0.0393 -9.750,-0.6261,0.01631,0.00959,-0.0793,0.6683,0.0407 -9.500,-0.6123,0.01574,0.00898,-0.0780,0.6624,0.0424 -9.250,-0.5997,0.01512,0.00835,-0.0766,0.6576,0.0444 -9.000,-0.5874,0.01456,0.00777,-0.0750,0.6519,0.0469 -8.750,-0.5772,0.01405,0.00723,-0.0729,0.6461,0.0491 -8.500,-0.5697,0.01365,0.00681,-0.0703,0.6412,0.0519 -8.250,-0.5523,0.01329,0.00644,-0.0691,0.6360,0.0554 -8.000,-0.5331,0.01297,0.00611,-0.0682,0.6302,0.0596 -7.500,-0.4915,0.01236,0.00550,-0.0667,0.6199,0.0713 -7.250,-0.4690,0.01206,0.00522,-0.0663,0.6148,0.0788 -7.000,-0.4459,0.01179,0.00496,-0.0659,0.6096,0.0868 -6.750,-0.4223,0.01152,0.00470,-0.0655,0.6048,0.0964 -6.500,-0.3982,0.01120,0.00444,-0.0653,0.6010,0.1096 -6.250,-0.3738,0.01088,0.00417,-0.0651,0.5966,0.1261 -5.750,-0.3246,0.01021,0.00366,-0.0649,0.5874,0.1709 -5.250,-0.2740,0.00939,0.00311,-0.0650,0.5801,0.2393 -5.000,-0.2486,0.00891,0.00281,-0.0652,0.5760,0.2864 -4.750,-0.2229,0.00842,0.00251,-0.0654,0.5720,0.3397 -4.250,-0.1677,0.00781,0.00223,-0.0661,0.5649,0.4366 -4.000,-0.1382,0.00775,0.00218,-0.0665,0.5616,0.4494 -3.750,-0.1085,0.00774,0.00214,-0.0670,0.5581,0.4557 -3.500,-0.0791,0.00771,0.00211,-0.0674,0.5545,0.4625 -3.250,-0.0496,0.00773,0.00209,-0.0678,0.5509,0.4707 -3.000,-0.0202,0.00770,0.00209,-0.0682,0.5479,0.4812 -2.750,0.0098,0.00771,0.00208,-0.0687,0.5454,0.4887 -2.500,0.0396,0.00771,0.00206,-0.0691,0.5426,0.4920 -2.250,0.0693,0.00769,0.00204,-0.0696,0.5395,0.4944 -2.000,0.0988,0.00770,0.00203,-0.0700,0.5363,0.4965 -1.750,0.1282,0.00771,0.00202,-0.0704,0.5331,0.4989 -1.500,0.1576,0.00774,0.00202,-0.0708,0.5301,0.5017 -1.250,0.1875,0.00774,0.00202,-0.0712,0.5281,0.5043 -1.000,0.2174,0.00775,0.00202,-0.0717,0.5260,0.5062 -0.750,0.2471,0.00777,0.00202,-0.0721,0.5238,0.5076 -0.500,0.2768,0.00779,0.00203,-0.0726,0.5214,0.5088 -0.250,0.3063,0.00781,0.00204,-0.0730,0.5191,0.5103 0.000,0.3357,0.00783,0.00206,-0.0734,0.5169,0.5126 0.250,0.3649,0.00786,0.00208,-0.0738,0.5146,0.5149 0.500,0.3941,0.00790,0.00212,-0.0742,0.5123,0.5172 0.750,0.4238,0.00791,0.00215,-0.0746,0.5110,0.5194 1.000,0.4535,0.00793,0.00218,-0.0751,0.5095,0.5215 1.250,0.4831,0.00796,0.00222,-0.0755,0.5079,0.5236 1.500,0.5125,0.00799,0.00226,-0.0759,0.5063,0.5256 1.750,0.5419,0.00803,0.00230,-0.0763,0.5044,0.5274 2.000,0.5711,0.00807,0.00235,-0.0767,0.5022,0.5295 2.250,0.6001,0.00811,0.00240,-0.0770,0.5000,0.5323 2.500,0.6289,0.00816,0.00247,-0.0774,0.4975,0.5351 2.750,0.6574,0.00824,0.00254,-0.0776,0.4946,0.5380 3.000,0.6866,0.00827,0.00261,-0.0780,0.4928,0.5409 3.250,0.7159,0.00831,0.00267,-0.0784,0.4911,0.5437 3.500,0.7450,0.00836,0.00275,-0.0788,0.4894,0.5463 3.750,0.7739,0.00841,0.00282,-0.0791,0.4875,0.5490 4.000,0.8027,0.00846,0.00291,-0.0794,0.4854,0.5525 4.250,0.8309,0.00852,0.00299,-0.0797,0.4820,0.5562 4.500,0.8577,0.00864,0.00310,-0.0796,0.4764,0.5598 4.750,0.8866,0.00867,0.00318,-0.0800,0.4721,0.5634 5.000,0.9146,0.00875,0.00327,-0.0802,0.4669,0.5668 5.250,0.9404,0.00889,0.00338,-0.0800,0.4586,0.5710 5.500,0.9685,0.00893,0.00348,-0.0802,0.4517,0.5756 5.750,0.9954,0.00904,0.00360,-0.0802,0.4457,0.5800 6.000,1.0216,0.00916,0.00373,-0.0801,0.4391,0.5840 6.250,1.0471,0.00931,0.00387,-0.0799,0.4267,0.5875 6.500,1.0685,0.00959,0.00408,-0.0790,0.4008,0.5922 6.750,1.0781,0.01030,0.00455,-0.0761,0.3534,0.5968 7.000,1.0858,0.01102,0.00508,-0.0730,0.3155,0.6013 7.250,1.0881,0.01166,0.00558,-0.0687,0.2844,0.6053 7.500,1.0908,0.01240,0.00620,-0.0648,0.2571,0.6094 7.750,1.0949,0.01315,0.00686,-0.0613,0.2327,0.6145 8.000,1.0993,0.01395,0.00758,-0.0581,0.2120,0.6197 8.250,1.1039,0.01482,0.00839,-0.0552,0.1937,0.6246 8.500,1.1092,0.01574,0.00925,-0.0525,0.1769,0.6292 8.750,1.1134,0.01677,0.01023,-0.0499,0.1595,0.6348 9.000,1.1180,0.01787,0.01129,-0.0475,0.1441,0.6406 9.250,1.1236,0.01900,0.01238,-0.0454,0.1313,0.6459 9.500,1.1291,0.02020,0.01356,-0.0434,0.1194,0.6512 9.750,1.1333,0.02153,0.01486,-0.0415,0.1072,0.6574 10.000,1.1391,0.02284,0.01615,-0.0398,0.0979,0.6636 10.500,1.1516,0.02555,0.01885,-0.0369,0.0811,0.6752 10.750,1.1567,0.02705,0.02035,-0.0355,0.0731,0.6819 11.000,1.1636,0.02848,0.02178,-0.0343,0.0672,0.6881 11.250,1.1697,0.03001,0.02332,-0.0331,0.0609,0.6946 11.500,1.1749,0.03167,0.02499,-0.0321,0.0545,0.7022 11.750,1.1830,0.03316,0.02650,-0.0312,0.0504,0.7088 12.000,1.1909,0.03470,0.02807,-0.0304,0.0469,0.7155 12.250,1.1983,0.03632,0.02972,-0.0297,0.0432,0.7230 12.500,1.2058,0.03799,0.03141,-0.0291,0.0399,0.7296 12.750,1.2145,0.03958,0.03305,-0.0285,0.0375,0.7366 13.000,1.2218,0.04133,0.03483,-0.0280,0.0349,0.7443 13.500,1.2388,0.04473,0.03831,-0.0272,0.0313,0.7589 13.750,1.2475,0.04644,0.04007,-0.0269,0.0297,0.7671 14.000,1.2557,0.04824,0.04192,-0.0267,0.0286,0.7748 14.250,1.2639,0.05005,0.04378,-0.0264,0.0273,0.7837 14.500,1.2719,0.05192,0.04570,-0.0263,0.0263,0.7927 14.750,1.2804,0.05377,0.04762,-0.0262,0.0253,0.8034 15.000,1.2891,0.05559,0.04951,-0.0261,0.0243,0.8153 15.250,1.2956,0.05767,0.05165,-0.0260,0.0235,0.8286 15.500,1.3032,0.05960,0.05367,-0.0259,0.0229,0.8450 15.750,1.3109,0.06144,0.05563,-0.0257,0.0222,0.8679 16.000,1.3146,0.06335,0.05773,-0.0250,0.0215,0.9186 16.500,1.3312,0.06780,0.06231,-0.0262,0.0200,1.0000 16.750,1.3384,0.07006,0.06461,-0.0265,0.0196,1.0000 17.000,1.3465,0.07222,0.06680,-0.0269,0.0190,1.0000 17.250,1.3529,0.07463,0.06926,-0.0274,0.0185,1.0000 17.500,1.3589,0.07711,0.07178,-0.0279,0.0178,1.0000 17.750,1.3650,0.07957,0.07427,-0.0284,0.0174,1.0000 18.000,1.3694,0.08231,0.07705,-0.0290,0.0169,1.0000 18.250,1.3756,0.08482,0.07961,-0.0297,0.0165,1.0000 18.500,1.3819,0.08734,0.08218,-0.0303,0.0160,1.0000 18.750,1.3857,0.09024,0.08514,-0.0312,0.0156,1.0000 19.000,1.3903,0.09304,0.08797,-0.0320,0.0151,1.0000 19.250,1.3938,0.09600,0.09098,-0.0329,0.0147,1.0000