Xfoil polar. Reynolds number fixed. Mach number fixed Polar key,xf-naca4421-il-1000000-n5 Airfoil,naca4421-il Reynolds number,1000000 Ncrit,5 Mach,0 Max Cl/Cd,93.2146 Max Cl/Cd alpha,5.75 Url,http://airfoiltools.com/polar/csv?polar=xf-naca4421-il-1000000-n5 Alpha,Cl,Cd,Cdp,Cm,Top_Xtr,Bot_Xtr -19.750,-0.9711,0.08521,0.08128,-0.0896,1.0000,0.0371 -19.500,-0.9981,0.07864,0.07460,-0.0926,1.0000,0.0373 -19.250,-1.0324,0.07136,0.06719,-0.0959,1.0000,0.0375 -19.000,-1.0643,0.06472,0.06044,-0.0986,1.0000,0.0376 -18.750,-1.0957,0.05846,0.05405,-0.1008,1.0000,0.0378 -18.500,-1.1250,0.05282,0.04830,-0.1024,1.0000,0.0380 -18.250,-1.1463,0.04782,0.04319,-0.1041,0.9996,0.0382 -18.000,-1.1511,0.04331,0.03857,-0.1075,0.9982,0.0385 -17.750,-1.1505,0.03948,0.03465,-0.1107,0.9965,0.0389 -17.500,-1.1451,0.03622,0.03131,-0.1136,0.9948,0.0394 -17.250,-1.1355,0.03350,0.02850,-0.1162,0.9934,0.0399 -17.000,-1.1223,0.03115,0.02608,-0.1187,0.9922,0.0404 -16.750,-1.1101,0.02918,0.02404,-0.1202,0.9892,0.0408 -16.500,-1.0963,0.02747,0.02228,-0.1215,0.9856,0.0413 -16.250,-1.0829,0.02570,0.02045,-0.1228,0.9819,0.0419 -16.000,-1.0664,0.02420,0.01890,-0.1240,0.9788,0.0426 -15.750,-1.0553,0.02299,0.01765,-0.1236,0.9725,0.0432 -15.500,-1.0402,0.02192,0.01653,-0.1236,0.9670,0.0439 -15.250,-1.0258,0.02102,0.01558,-0.1230,0.9613,0.0446 -15.000,-1.0114,0.02024,0.01474,-0.1221,0.9543,0.0453 -14.750,-0.9969,0.01947,0.01393,-0.1211,0.9481,0.0461 -14.500,-0.9834,0.01875,0.01317,-0.1198,0.9405,0.0470 -14.250,-0.9682,0.01813,0.01249,-0.1185,0.9332,0.0479 -14.000,-0.9518,0.01758,0.01191,-0.1172,0.9261,0.0488 -13.750,-0.9346,0.01710,0.01138,-0.1159,0.9183,0.0497 -13.500,-0.9169,0.01667,0.01089,-0.1146,0.9111,0.0506 -13.250,-0.9011,0.01621,0.01040,-0.1129,0.9023,0.0517 -13.000,-0.8838,0.01583,0.00996,-0.1113,0.8942,0.0529 -12.750,-0.8632,0.01547,0.00956,-0.1103,0.8855,0.0541 -12.250,-0.8205,0.01477,0.00878,-0.1084,0.8683,0.0570 -12.000,-0.7985,0.01443,0.00840,-0.1075,0.8595,0.0589 -11.500,-0.7527,0.01380,0.00771,-0.1061,0.8436,0.0632 -11.250,-0.7291,0.01352,0.00740,-0.1054,0.8358,0.0658 -11.000,-0.7053,0.01322,0.00709,-0.1048,0.8280,0.0686 -10.750,-0.6811,0.01297,0.00680,-0.1042,0.8195,0.0718 -10.500,-0.6567,0.01271,0.00653,-0.1036,0.8120,0.0752 -10.250,-0.6315,0.01249,0.00629,-0.1031,0.8036,0.0787 -10.000,-0.6068,0.01227,0.00605,-0.1026,0.7954,0.0825 -9.750,-0.5807,0.01208,0.00585,-0.1022,0.7877,0.0859 -9.500,-0.5554,0.01188,0.00563,-0.1017,0.7788,0.0893 -9.250,-0.5292,0.01173,0.00545,-0.1014,0.7709,0.0922 -9.000,-0.5030,0.01157,0.00526,-0.1010,0.7620,0.0946 -8.750,-0.4774,0.01142,0.00508,-0.1005,0.7530,0.0974 -8.500,-0.4505,0.01128,0.00492,-0.1003,0.7449,0.1000 -8.250,-0.4242,0.01117,0.00476,-0.0999,0.7356,0.1021 -8.000,-0.3979,0.01101,0.00459,-0.0996,0.7269,0.1049 -7.750,-0.3715,0.01090,0.00445,-0.0992,0.7166,0.1074 -7.500,-0.3447,0.01081,0.00431,-0.0989,0.7078,0.1096 -7.250,-0.3180,0.01069,0.00417,-0.0986,0.6984,0.1120 -7.000,-0.2919,0.01059,0.00404,-0.0981,0.6888,0.1147 -6.750,-0.2650,0.01049,0.00391,-0.0979,0.6785,0.1173 -6.500,-0.2386,0.01044,0.00380,-0.0975,0.6681,0.1195 -6.250,-0.2117,0.01033,0.00368,-0.0972,0.6585,0.1224 -5.750,-0.1583,0.01018,0.00348,-0.0965,0.6399,0.1286 -5.500,-0.1321,0.01013,0.00339,-0.0961,0.6292,0.1320 -5.250,-0.1054,0.01003,0.00329,-0.0958,0.6199,0.1373 -5.000,-0.0790,0.00999,0.00321,-0.0954,0.6094,0.1422 -4.750,-0.0523,0.00989,0.00312,-0.0951,0.6014,0.1482 -4.500,-0.0253,0.00984,0.00305,-0.0948,0.5926,0.1529 -4.250,0.0010,0.00978,0.00298,-0.0944,0.5844,0.1585 -4.000,0.0282,0.00972,0.00292,-0.0942,0.5762,0.1646 -3.750,0.0543,0.00968,0.00287,-0.0937,0.5670,0.1719 -3.250,0.1081,0.00956,0.00277,-0.0932,0.5518,0.1908 -2.750,0.1620,0.00949,0.00272,-0.0926,0.5389,0.2093 -2.500,0.1890,0.00945,0.00271,-0.0924,0.5322,0.2180 -2.250,0.2155,0.00948,0.00270,-0.0920,0.5249,0.2251 -2.000,0.2429,0.00945,0.00269,-0.0918,0.5191,0.2318 -1.750,0.2701,0.00944,0.00269,-0.0916,0.5129,0.2391 -1.500,0.2970,0.00947,0.00269,-0.0913,0.5070,0.2441 -1.250,0.3238,0.00948,0.00269,-0.0910,0.5018,0.2494 -1.000,0.3513,0.00946,0.00270,-0.0908,0.4969,0.2554 -0.750,0.3780,0.00949,0.00271,-0.0905,0.4903,0.2607 -0.500,0.4037,0.00956,0.00274,-0.0900,0.4825,0.2651 -0.250,0.4307,0.00954,0.00275,-0.0898,0.4762,0.2733 0.000,0.4568,0.00958,0.00278,-0.0893,0.4689,0.2809 0.250,0.4823,0.00963,0.00282,-0.0888,0.4628,0.2886 0.500,0.5093,0.00961,0.00285,-0.0886,0.4587,0.2997 0.750,0.5356,0.00960,0.00288,-0.0883,0.4537,0.3154 1.000,0.5609,0.00959,0.00294,-0.0877,0.4481,0.3400 1.250,0.5857,0.00960,0.00300,-0.0871,0.4428,0.3664 1.500,0.6121,0.00957,0.00306,-0.0868,0.4392,0.3923 1.750,0.6376,0.00956,0.00312,-0.0864,0.4343,0.4192 2.000,0.6616,0.00958,0.00319,-0.0856,0.4291,0.4418 2.250,0.6847,0.00963,0.00328,-0.0846,0.4241,0.4616 2.500,0.7094,0.00963,0.00335,-0.0840,0.4204,0.4841 2.750,0.7338,0.00965,0.00344,-0.0833,0.4158,0.5071 3.000,0.7578,0.00970,0.00354,-0.0825,0.4106,0.5299 3.250,0.7818,0.00979,0.00367,-0.0818,0.4057,0.5549 3.500,0.8074,0.00984,0.00380,-0.0814,0.4018,0.5824 4.000,0.8577,0.00998,0.00409,-0.0805,0.3916,0.6387 4.250,0.8815,0.01011,0.00427,-0.0798,0.3863,0.6667 4.500,0.9070,0.01019,0.00442,-0.0794,0.3822,0.6918 4.750,0.9318,0.01030,0.00459,-0.0789,0.3764,0.7141 5.000,0.9544,0.01049,0.00480,-0.0780,0.3684,0.7373 5.250,0.9781,0.01061,0.00500,-0.0773,0.3611,0.7653 5.500,0.9995,0.01081,0.00525,-0.0762,0.3515,0.7996 5.750,1.0207,0.01095,0.00551,-0.0750,0.3422,0.8450 6.000,1.0382,0.01119,0.00582,-0.0731,0.3310,0.8920 6.250,1.0555,0.01142,0.00611,-0.0711,0.3208,0.9362 6.500,1.0780,0.01174,0.00642,-0.0703,0.3107,0.9753 6.750,1.1052,0.01207,0.00670,-0.0707,0.3009,1.0000 7.000,1.1252,0.01241,0.00700,-0.0695,0.2931,1.0000 7.250,1.1442,0.01280,0.00734,-0.0683,0.2843,1.0000 7.500,1.1639,0.01318,0.00769,-0.0671,0.2765,1.0000 7.750,1.1830,0.01360,0.00807,-0.0660,0.2687,1.0000 8.000,1.2022,0.01403,0.00847,-0.0649,0.2625,1.0000 8.250,1.2222,0.01443,0.00886,-0.0639,0.2562,1.0000 8.500,1.2397,0.01495,0.00934,-0.0626,0.2493,1.0000 8.750,1.2591,0.01540,0.00978,-0.0616,0.2433,1.0000 9.000,1.2769,0.01593,0.01028,-0.0604,0.2365,1.0000 9.250,1.2948,0.01648,0.01081,-0.0593,0.2310,1.0000 9.500,1.3130,0.01702,0.01134,-0.0583,0.2251,1.0000 9.750,1.3286,0.01769,0.01198,-0.0570,0.2183,1.0000 10.000,1.3456,0.01831,0.01259,-0.0559,0.2119,1.0000 10.250,1.3590,0.01915,0.01338,-0.0544,0.2031,1.0000 10.500,1.3733,0.01995,0.01416,-0.0531,0.1944,1.0000 10.750,1.3861,0.02087,0.01504,-0.0516,0.1862,1.0000 11.000,1.3975,0.02187,0.01601,-0.0501,0.1777,1.0000 11.250,1.4100,0.02285,0.01697,-0.0488,0.1699,1.0000 11.500,1.4193,0.02407,0.01815,-0.0473,0.1612,1.0000 11.750,1.4272,0.02541,0.01945,-0.0457,0.1516,1.0000 12.000,1.4353,0.02679,0.02080,-0.0442,0.1430,1.0000 12.250,1.4439,0.02817,0.02216,-0.0429,0.1364,1.0000 12.500,1.4515,0.02967,0.02365,-0.0416,0.1302,1.0000 12.750,1.4600,0.03116,0.02514,-0.0405,0.1249,1.0000 13.000,1.4665,0.03283,0.02679,-0.0393,0.1196,1.0000 13.250,1.4747,0.03440,0.02838,-0.0383,0.1156,1.0000 13.500,1.4818,0.03610,0.03009,-0.0373,0.1119,1.0000 13.750,1.4889,0.03785,0.03185,-0.0364,0.1089,1.0000 14.000,1.4974,0.03952,0.03356,-0.0357,0.1066,1.0000 14.250,1.5046,0.04130,0.03537,-0.0350,0.1039,1.0000 14.500,1.5089,0.04340,0.03749,-0.0342,0.1014,1.0000 14.750,1.5154,0.04531,0.03943,-0.0336,0.0993,1.0000 15.000,1.5219,0.04728,0.04144,-0.0331,0.0974,1.0000 15.250,1.5267,0.04943,0.04363,-0.0325,0.0954,1.0000 15.500,1.5305,0.05169,0.04592,-0.0320,0.0934,1.0000 15.750,1.5328,0.05413,0.04840,-0.0316,0.0917,1.0000 16.000,1.5386,0.05624,0.05055,-0.0312,0.0902,1.0000 16.250,1.5415,0.05869,0.05305,-0.0309,0.0885,1.0000 16.500,1.5436,0.06123,0.05564,-0.0306,0.0867,1.0000 16.750,1.5440,0.06399,0.05843,-0.0304,0.0850,1.0000 17.000,1.5448,0.06671,0.06120,-0.0302,0.0835,1.0000 17.250,1.5476,0.06922,0.06377,-0.0301,0.0820,1.0000 17.500,1.5475,0.07211,0.06671,-0.0300,0.0803,1.0000 17.750,1.5474,0.07498,0.06961,-0.0300,0.0786,1.0000 18.000,1.5439,0.07832,0.07299,-0.0301,0.0769,1.0000 18.250,1.5459,0.08096,0.07569,-0.0301,0.0754,1.0000 18.500,1.5438,0.08416,0.07894,-0.0303,0.0736,1.0000 18.750,1.5421,0.08729,0.08211,-0.0305,0.0716,1.0000