Xfoil polar. Reynolds number fixed. Mach number fixed Polar key,xf-naca634221-il-1000000 Airfoil,naca634221-il Reynolds number,1000000 Ncrit,9 Mach,0 Max Cl/Cd,107.998 Max Cl/Cd alpha,7.5 Url,http://www.airfoiltools.com/polar/csv?polar=xf-naca634221-il-1000000 Alpha,Cl,Cd,Cdp,Cm,Top_Xtr,Bot_Xtr -19.750,-1.1373,0.08608,0.08184,-0.0391,1.0000,0.0281 -19.500,-1.1369,0.08295,0.07865,-0.0402,1.0000,0.0285 -19.250,-1.1332,0.08028,0.07593,-0.0411,1.0000,0.0291 -19.000,-1.1298,0.07759,0.07318,-0.0420,1.0000,0.0297 -18.750,-1.1251,0.07513,0.07066,-0.0428,1.0000,0.0300 -18.500,-1.1251,0.07208,0.06756,-0.0437,1.0000,0.0305 -18.250,-1.1268,0.06893,0.06437,-0.0446,1.0000,0.0310 -18.000,-1.1266,0.06602,0.06143,-0.0453,1.0000,0.0317 -17.750,-1.1223,0.06364,0.05901,-0.0459,1.0000,0.0322 -17.500,-1.1183,0.06120,0.05652,-0.0465,1.0000,0.0328 -17.250,-1.1118,0.05908,0.05436,-0.0470,1.0000,0.0334 -17.000,-1.1058,0.05692,0.05215,-0.0474,1.0000,0.0339 -16.750,-1.0970,0.05508,0.05026,-0.0478,1.0000,0.0344 -16.500,-1.0942,0.05264,0.04778,-0.0482,1.0000,0.0348 -16.250,-1.0930,0.05007,0.04517,-0.0485,1.0000,0.0356 -16.000,-1.0889,0.04783,0.04291,-0.0489,1.0000,0.0363 -15.750,-1.0826,0.04586,0.04091,-0.0491,1.0000,0.0368 -15.500,-1.0748,0.04402,0.03904,-0.0492,1.0000,0.0375 -15.250,-1.0662,0.04230,0.03728,-0.0494,1.0000,0.0382 -15.000,-1.0570,0.04065,0.03559,-0.0495,1.0000,0.0387 -14.750,-1.0470,0.03910,0.03400,-0.0495,1.0000,0.0392 -14.500,-1.0435,0.03700,0.03188,-0.0495,1.0000,0.0400 -14.250,-1.0100,0.03477,0.02961,-0.0552,0.9506,0.0415 -14.000,-0.9718,0.03296,0.02762,-0.0612,0.9038,0.0428 -13.750,-0.9633,0.03181,0.02630,-0.0603,0.8711,0.0437 -13.500,-0.9544,0.03066,0.02503,-0.0595,0.8523,0.0444 -13.250,-0.9510,0.02912,0.02342,-0.0585,0.8377,0.0459 -13.000,-0.9446,0.02781,0.02204,-0.0576,0.8256,0.0469 -12.750,-0.9363,0.02663,0.02080,-0.0567,0.8144,0.0483 -12.500,-0.9267,0.02555,0.01964,-0.0558,0.8047,0.0498 -12.250,-0.9200,0.02429,0.01835,-0.0548,0.7952,0.0519 -12.000,-0.9122,0.02315,0.01717,-0.0537,0.7868,0.0543 -11.750,-0.9029,0.02209,0.01608,-0.0526,0.7786,0.0573 -11.500,-0.8964,0.02094,0.01489,-0.0513,0.7703,0.0608 -11.250,-0.8875,0.01990,0.01384,-0.0501,0.7633,0.0650 -11.000,-0.8796,0.01888,0.01280,-0.0487,0.7559,0.0699 -10.750,-0.8728,0.01786,0.01177,-0.0471,0.7488,0.0762 -10.500,-0.8654,0.01686,0.01080,-0.0454,0.7425,0.0838 -10.250,-0.8564,0.01602,0.00995,-0.0438,0.7355,0.0907 -10.000,-0.8501,0.01515,0.00908,-0.0417,0.7286,0.1003 -9.750,-0.8440,0.01432,0.00829,-0.0394,0.7228,0.1099 -9.500,-0.8415,0.01361,0.00759,-0.0362,0.7165,0.1195 -9.250,-0.8344,0.01313,0.00711,-0.0335,0.7100,0.1303 -9.000,-0.8189,0.01263,0.00666,-0.0320,0.7051,0.1429 -8.750,-0.8015,0.01216,0.00624,-0.0308,0.6993,0.1569 -8.500,-0.7831,0.01169,0.00582,-0.0298,0.6936,0.1737 -8.250,-0.7637,0.01120,0.00541,-0.0289,0.6885,0.1948 -8.000,-0.7438,0.01065,0.00498,-0.0281,0.6837,0.2215 -7.750,-0.7221,0.01017,0.00461,-0.0275,0.6783,0.2489 -7.500,-0.6995,0.00972,0.00425,-0.0271,0.6727,0.2770 -7.250,-0.6756,0.00929,0.00393,-0.0269,0.6681,0.3041 -7.000,-0.6503,0.00893,0.00367,-0.0268,0.6636,0.3315 -6.750,-0.6243,0.00861,0.00344,-0.0268,0.6587,0.3565 -6.500,-0.5972,0.00842,0.00327,-0.0269,0.6534,0.3769 -6.250,-0.5690,0.00826,0.00314,-0.0271,0.6488,0.3922 -6.000,-0.5400,0.00815,0.00303,-0.0274,0.6442,0.4035 -5.750,-0.5113,0.00804,0.00293,-0.0277,0.6394,0.4153 -5.500,-0.4826,0.00796,0.00284,-0.0280,0.6346,0.4267 -5.250,-0.4530,0.00793,0.00278,-0.0284,0.6303,0.4364 -5.000,-0.4238,0.00782,0.00270,-0.0287,0.6263,0.4449 -4.750,-0.3941,0.00778,0.00264,-0.0291,0.6217,0.4517 -4.500,-0.3646,0.00776,0.00257,-0.0295,0.6169,0.4574 -4.250,-0.3353,0.00771,0.00251,-0.0299,0.6120,0.4632 -4.000,-0.3053,0.00767,0.00246,-0.0303,0.6082,0.4681 -3.750,-0.2752,0.00767,0.00241,-0.0308,0.6039,0.4723 -3.500,-0.2458,0.00761,0.00236,-0.0311,0.5995,0.4781 -3.250,-0.2163,0.00761,0.00233,-0.0315,0.5947,0.4841 -3.000,-0.1860,0.00761,0.00231,-0.0320,0.5913,0.4891 -2.750,-0.1560,0.00757,0.00227,-0.0325,0.5874,0.4931 -2.500,-0.1263,0.00753,0.00223,-0.0329,0.5832,0.4976 -2.250,-0.0966,0.00753,0.00220,-0.0333,0.5786,0.5015 -2.000,-0.0667,0.00754,0.00218,-0.0337,0.5742,0.5053 -1.750,-0.0364,0.00754,0.00217,-0.0342,0.5708,0.5086 -1.500,-0.0064,0.00750,0.00214,-0.0346,0.5669,0.5128 -1.250,0.0233,0.00749,0.00212,-0.0351,0.5629,0.5172 -1.000,0.0529,0.00752,0.00213,-0.0355,0.5586,0.5214 -0.750,0.0830,0.00754,0.00213,-0.0359,0.5550,0.5252 -0.500,0.1134,0.00755,0.00213,-0.0364,0.5516,0.5282 -0.250,0.1431,0.00751,0.00212,-0.0368,0.5476,0.5331 0.000,0.1728,0.00752,0.00213,-0.0373,0.5436,0.5372 0.250,0.2024,0.00757,0.00216,-0.0376,0.5393,0.5412 0.500,0.2325,0.00759,0.00218,-0.0381,0.5361,0.5446 0.750,0.2627,0.00760,0.00219,-0.0386,0.5326,0.5476 1.000,0.2924,0.00758,0.00221,-0.0390,0.5287,0.5525 1.250,0.3220,0.00761,0.00224,-0.0394,0.5246,0.5567 1.500,0.3513,0.00770,0.00229,-0.0398,0.5198,0.5607 1.750,0.3815,0.00771,0.00232,-0.0403,0.5168,0.5642 2.000,0.4115,0.00772,0.00235,-0.0407,0.5132,0.5679 2.250,0.4410,0.00773,0.00239,-0.0411,0.5093,0.5724 2.500,0.4703,0.00779,0.00244,-0.0414,0.5051,0.5766 2.750,0.4996,0.00787,0.00251,-0.0418,0.5010,0.5808 3.000,0.5296,0.00790,0.00256,-0.0423,0.4979,0.5844 3.250,0.5592,0.00790,0.00262,-0.0427,0.4943,0.5893 3.500,0.5884,0.00795,0.00268,-0.0430,0.4904,0.5939 3.750,0.6173,0.00804,0.00277,-0.0433,0.4860,0.5982 4.000,0.6466,0.00810,0.00284,-0.0437,0.4816,0.6022 4.250,0.6762,0.00813,0.00289,-0.0440,0.4764,0.6061 4.500,0.7048,0.00818,0.00297,-0.0443,0.4705,0.6110 4.750,0.7331,0.00829,0.00308,-0.0445,0.4652,0.6156 5.000,0.7626,0.00832,0.00316,-0.0449,0.4613,0.6202 5.250,0.7916,0.00841,0.00325,-0.0452,0.4561,0.6240 5.500,0.8194,0.00849,0.00335,-0.0453,0.4504,0.6297 5.750,0.8480,0.00856,0.00347,-0.0456,0.4450,0.6346 6.000,0.8765,0.00864,0.00357,-0.0458,0.4382,0.6393 6.250,0.9035,0.00881,0.00370,-0.0458,0.4301,0.6432 6.500,0.9317,0.00887,0.00381,-0.0460,0.4217,0.6484 6.750,0.9580,0.00903,0.00397,-0.0459,0.4112,0.6535 7.000,0.9843,0.00921,0.00412,-0.0458,0.3983,0.6587 7.250,1.0107,0.00939,0.00429,-0.0457,0.3865,0.6632 7.500,1.0357,0.00959,0.00449,-0.0454,0.3735,0.6689 7.750,1.0594,0.00986,0.00473,-0.0450,0.3573,0.6742 8.000,1.0813,0.01021,0.00501,-0.0442,0.3373,0.6794 8.250,1.1005,0.01066,0.00536,-0.0431,0.3152,0.6840 8.500,1.1167,0.01116,0.00579,-0.0415,0.2920,0.6903 8.750,1.1311,0.01170,0.00625,-0.0396,0.2689,0.6961 9.000,1.1384,0.01233,0.00676,-0.0365,0.2457,0.7015 9.250,1.1424,0.01292,0.00729,-0.0329,0.2284,0.7072 9.500,1.1437,0.01372,0.00804,-0.0293,0.2079,0.7136 9.750,1.1462,0.01463,0.00888,-0.0262,0.1901,0.7201 10.000,1.1498,0.01560,0.00980,-0.0235,0.1749,0.7264 10.250,1.1551,0.01657,0.01076,-0.0212,0.1630,0.7333 10.500,1.1592,0.01770,0.01185,-0.0189,0.1505,0.7401 10.750,1.1655,0.01878,0.01292,-0.0171,0.1401,0.7467 11.000,1.1720,0.01990,0.01405,-0.0154,0.1305,0.7542 11.250,1.1767,0.02119,0.01532,-0.0137,0.1206,0.7616 11.500,1.1805,0.02258,0.01670,-0.0120,0.1114,0.7693 11.750,1.1840,0.02404,0.01815,-0.0104,0.1018,0.7774 12.000,1.1896,0.02544,0.01956,-0.0091,0.0945,0.7853 12.250,1.1926,0.02702,0.02116,-0.0077,0.0864,0.7945 12.500,1.1956,0.02868,0.02281,-0.0065,0.0794,0.8040 12.750,1.1985,0.03037,0.02452,-0.0053,0.0728,0.8144 13.000,1.2022,0.03207,0.02626,-0.0043,0.0670,0.8255 13.250,1.2061,0.03381,0.02804,-0.0034,0.0621,0.8383 13.500,1.2090,0.03564,0.02991,-0.0025,0.0576,0.8539 13.750,1.2125,0.03738,0.03175,-0.0015,0.0538,0.8758 14.000,1.2144,0.03912,0.03367,-0.0003,0.0507,0.9344 14.250,1.2285,0.04113,0.03574,-0.0020,0.0474,1.0000 14.500,1.2333,0.04321,0.03783,-0.0018,0.0452,1.0000 14.750,1.2400,0.04517,0.03982,-0.0017,0.0433,1.0000 15.000,1.2469,0.04715,0.04182,-0.0017,0.0418,1.0000 15.250,1.2513,0.04941,0.04410,-0.0018,0.0404,1.0000 15.500,1.2560,0.05167,0.04638,-0.0018,0.0390,1.0000 15.750,1.2633,0.05372,0.04848,-0.0020,0.0382,1.0000 16.000,1.2695,0.05590,0.05069,-0.0022,0.0371,1.0000 16.250,1.2741,0.05831,0.05313,-0.0026,0.0362,1.0000 16.500,1.2776,0.06086,0.05571,-0.0029,0.0353,1.0000 16.750,1.2793,0.06366,0.05855,-0.0034,0.0345,1.0000 17.000,1.2868,0.06585,0.06079,-0.0038,0.0340,1.0000 17.250,1.2921,0.06834,0.06334,-0.0044,0.0334,1.0000 17.500,1.2976,0.07081,0.06585,-0.0050,0.0327,1.0000 17.750,1.3002,0.07369,0.06878,-0.0057,0.0321,1.0000 18.000,1.3032,0.07652,0.07165,-0.0065,0.0314,1.0000 18.250,1.3024,0.07994,0.07511,-0.0075,0.0307,1.0000 18.500,1.3047,0.08297,0.07820,-0.0084,0.0301,1.0000 18.750,1.3084,0.08588,0.08117,-0.0094,0.0297,1.0000 19.000,1.3130,0.08866,0.08401,-0.0103,0.0291,1.0000 19.250,1.3158,0.09175,0.08716,-0.0115,0.0286,1.0000