XFOIL Version 6.96 Calculated polar for: NACA 642-015 AIRFOIL 1 1 Reynolds number fixed Mach number fixed xtrf = 1.000 (top) 1.000 (bottom) Mach = 0.000 Re = 1.000 e 6 Ncrit = 5.000 alpha CL CD CDp CM Top_Xtr Bot_Xtr ------ -------- --------- --------- -------- -------- -------- -19.750 -1.2280 0.10261 0.09937 -0.0049 1.0000 0.0100 -19.500 -1.2426 0.09598 0.09261 -0.0086 1.0000 0.0100 -19.250 -1.2528 0.09025 0.08677 -0.0117 1.0000 0.0101 -19.000 -1.2613 0.08498 0.08139 -0.0144 1.0000 0.0101 -18.750 -1.2680 0.08017 0.07648 -0.0167 1.0000 0.0102 -18.500 -1.2763 0.07531 0.07151 -0.0189 1.0000 0.0102 -18.250 -1.2807 0.07114 0.06724 -0.0207 1.0000 0.0103 -18.000 -1.2850 0.06712 0.06312 -0.0223 1.0000 0.0103 -17.750 -1.2862 0.06366 0.05957 -0.0236 1.0000 0.0104 -17.500 -1.2874 0.06027 0.05609 -0.0247 1.0000 0.0105 -17.250 -1.2878 0.05708 0.05281 -0.0257 1.0000 0.0106 -17.000 -1.2872 0.05413 0.04978 -0.0265 1.0000 0.0106 -16.750 -1.2854 0.05139 0.04696 -0.0271 1.0000 0.0107 -16.500 -1.2828 0.04882 0.04430 -0.0276 1.0000 0.0108 -16.250 -1.2803 0.04630 0.04170 -0.0279 1.0000 0.0109 -16.000 -1.2771 0.04396 0.03928 -0.0281 1.0000 0.0110 -15.750 -1.2742 0.04165 0.03689 -0.0282 1.0000 0.0111 -15.500 -1.2682 0.03973 0.03490 -0.0281 1.0000 0.0112 -15.250 -1.2627 0.03783 0.03293 -0.0280 1.0000 0.0113 -15.000 -1.2567 0.03600 0.03102 -0.0277 1.0000 0.0113 -14.750 -1.2494 0.03433 0.02929 -0.0274 1.0000 0.0114 -14.500 -1.2407 0.03282 0.02771 -0.0270 1.0000 0.0116 -14.250 -1.2310 0.03143 0.02627 -0.0266 1.0000 0.0117 -14.000 -1.2226 0.02995 0.02471 -0.0260 1.0000 0.0117 -13.750 -1.2150 0.02847 0.02317 -0.0253 1.0000 0.0118 -13.500 -1.2071 0.02705 0.02169 -0.0245 1.0000 0.0120 -13.250 -1.1991 0.02566 0.02025 -0.0236 1.0000 0.0122 -13.000 -1.1887 0.02451 0.01905 -0.0227 1.0000 0.0123 -12.750 -1.1776 0.02343 0.01794 -0.0217 1.0000 0.0126 -12.500 -1.1658 0.02245 0.01692 -0.0208 1.0000 0.0128 -12.250 -1.1534 0.02153 0.01596 -0.0197 1.0000 0.0130 -12.000 -1.1409 0.02066 0.01505 -0.0186 1.0000 0.0132 -11.500 -1.1011 0.01911 0.01340 -0.0189 0.9472 0.0138 -11.250 -1.0875 0.01853 0.01268 -0.0175 0.9085 0.0141 -11.000 -1.0767 0.01799 0.01202 -0.0153 0.8843 0.0143 -10.750 -1.0649 0.01747 0.01140 -0.0132 0.8668 0.0145 -10.500 -1.0523 0.01701 0.01085 -0.0112 0.8521 0.0147 -10.250 -1.0416 0.01650 0.01026 -0.0087 0.8385 0.0153 -10.000 -1.0268 0.01607 0.00978 -0.0069 0.8270 0.0157 -9.750 -1.0086 0.01566 0.00931 -0.0057 0.8166 0.0162 -9.500 -0.9891 0.01528 0.00887 -0.0046 0.8062 0.0166 -9.250 -0.9684 0.01492 0.00846 -0.0037 0.7968 0.0173 -9.000 -0.9470 0.01458 0.00806 -0.0029 0.7875 0.0179 -8.750 -0.9248 0.01425 0.00768 -0.0022 0.7788 0.0185 -8.500 -0.9029 0.01388 0.00728 -0.0015 0.7707 0.0194 -8.250 -0.8798 0.01355 0.00693 -0.0010 0.7630 0.0204 -7.750 -0.8318 0.01300 0.00628 -0.0001 0.7472 0.0223 -7.500 -0.8077 0.01271 0.00595 0.0003 0.7393 0.0235 -7.250 -0.7832 0.01241 0.00565 0.0006 0.7322 0.0251 -7.000 -0.7581 0.01217 0.00537 0.0009 0.7249 0.0265 -6.750 -0.7324 0.01194 0.00510 0.0011 0.7184 0.0277 -6.500 -0.7072 0.01167 0.00482 0.0013 0.7114 0.0301 -6.250 -0.6815 0.01144 0.00457 0.0015 0.7047 0.0326 -6.000 -0.6555 0.01120 0.00432 0.0017 0.6983 0.0357 -5.750 -0.6294 0.01097 0.00408 0.0018 0.6914 0.0399 -5.500 -0.6034 0.01072 0.00384 0.0019 0.6851 0.0465 -5.250 -0.5774 0.01045 0.00360 0.0020 0.6779 0.0571 -5.000 -0.5518 0.01014 0.00335 0.0022 0.6714 0.0746 -4.500 -0.5002 0.00947 0.00287 0.0024 0.6587 0.1246 -4.250 -0.4747 0.00908 0.00262 0.0025 0.6532 0.1619 -4.000 -0.4490 0.00868 0.00238 0.0026 0.6474 0.2040 -3.750 -0.4240 0.00820 0.00211 0.0028 0.6415 0.2615 -3.500 -0.3994 0.00762 0.00182 0.0030 0.6364 0.3344 -3.250 -0.3741 0.00713 0.00160 0.0031 0.6309 0.4018 -3.000 -0.3470 0.00688 0.00149 0.0030 0.6254 0.4502 -2.750 -0.3189 0.00675 0.00142 0.0029 0.6206 0.4772 -2.500 -0.2905 0.00664 0.00137 0.0027 0.6155 0.4973 -2.250 -0.2621 0.00656 0.00133 0.0025 0.6101 0.5161 -2.000 -0.2333 0.00652 0.00129 0.0023 0.6053 0.5297 -1.750 -0.2043 0.00648 0.00126 0.0020 0.6002 0.5388 -1.500 -0.1751 0.00648 0.00123 0.0017 0.5950 0.5434 -1.250 -0.1461 0.00646 0.00120 0.0015 0.5905 0.5483 -1.000 -0.1169 0.00644 0.00118 0.0012 0.5865 0.5535 -0.750 -0.0875 0.00644 0.00116 0.0009 0.5821 0.5580 -0.500 -0.0585 0.00642 0.00115 0.0006 0.5778 0.5623 -0.250 -0.0294 0.00642 0.00114 0.0003 0.5739 0.5663 0.000 0.0000 0.00642 0.00114 0.0000 0.5702 0.5702 0.250 0.0293 0.00642 0.00114 -0.0003 0.5663 0.5739 0.500 0.0585 0.00642 0.00115 -0.0006 0.5623 0.5778 0.750 0.0875 0.00644 0.00116 -0.0009 0.5580 0.5821 1.000 0.1168 0.00644 0.00118 -0.0012 0.5535 0.5865 1.250 0.1461 0.00646 0.00120 -0.0015 0.5484 0.5905 1.500 0.1751 0.00648 0.00123 -0.0017 0.5434 0.5950 1.750 0.2042 0.00648 0.00126 -0.0020 0.5388 0.6002 2.000 0.2333 0.00652 0.00129 -0.0023 0.5297 0.6053 2.250 0.2620 0.00656 0.00133 -0.0025 0.5162 0.6102 2.500 0.2905 0.00664 0.00137 -0.0027 0.4976 0.6154 2.750 0.3189 0.00675 0.00142 -0.0029 0.4767 0.6206 3.000 0.3470 0.00688 0.00149 -0.0030 0.4504 0.6254 3.250 0.3740 0.00714 0.00160 -0.0031 0.4005 0.6309 3.500 0.3995 0.00762 0.00182 -0.0030 0.3354 0.6364 3.750 0.4241 0.00818 0.00210 -0.0028 0.2633 0.6415 4.000 0.4490 0.00868 0.00238 -0.0026 0.2038 0.6474 4.250 0.4747 0.00908 0.00262 -0.0025 0.1620 0.6532 4.500 0.5001 0.00948 0.00288 -0.0024 0.1231 0.6587 5.000 0.5518 0.01013 0.00335 -0.0022 0.0748 0.6714 5.250 0.5774 0.01044 0.00360 -0.0020 0.0573 0.6780 5.500 0.6034 0.01072 0.00384 -0.0019 0.0465 0.6850 5.750 0.6295 0.01097 0.00408 -0.0018 0.0399 0.6914 6.000 0.6555 0.01119 0.00432 -0.0017 0.0358 0.6983 6.250 0.6815 0.01144 0.00457 -0.0015 0.0326 0.7047 6.500 0.7073 0.01167 0.00482 -0.0013 0.0300 0.7114 6.750 0.7325 0.01195 0.00510 -0.0011 0.0276 0.7184 7.000 0.7582 0.01217 0.00537 -0.0009 0.0265 0.7249 7.250 0.7833 0.01241 0.00565 -0.0006 0.0250 0.7322 7.500 0.8078 0.01271 0.00595 -0.0003 0.0235 0.7393 7.750 0.8319 0.01300 0.00628 0.0001 0.0223 0.7473 8.250 0.8800 0.01355 0.00693 0.0010 0.0204 0.7631 8.500 0.9030 0.01389 0.00728 0.0015 0.0194 0.7708 8.750 0.9249 0.01425 0.00768 0.0022 0.0184 0.7790 9.000 0.9472 0.01459 0.00807 0.0029 0.0179 0.7875 9.250 0.9686 0.01492 0.00846 0.0037 0.0172 0.7968 9.500 0.9893 0.01528 0.00888 0.0046 0.0167 0.8061 9.750 1.0088 0.01567 0.00932 0.0056 0.0161 0.8167 10.000 1.0270 0.01608 0.00979 0.0069 0.0157 0.8272 10.250 1.0417 0.01651 0.01027 0.0087 0.0152 0.8384 10.500 1.0524 0.01703 0.01086 0.0112 0.0147 0.8517 10.750 1.0650 0.01749 0.01142 0.0132 0.0145 0.8665 11.000 1.0769 0.01801 0.01203 0.0153 0.0143 0.8843 11.250 1.0879 0.01854 0.01269 0.0174 0.0140 0.9080 11.500 1.1019 0.01911 0.01339 0.0188 0.0138 0.9476 12.000 1.1413 0.02068 0.01508 0.0185 0.0133 1.0000 12.250 1.1543 0.02153 0.01596 0.0196 0.0130 1.0000 12.500 1.1667 0.02245 0.01692 0.0206 0.0129 1.0000 12.750 1.1786 0.02343 0.01794 0.0216 0.0126 1.0000 13.000 1.1900 0.02449 0.01903 0.0225 0.0124 1.0000 13.250 1.1999 0.02568 0.02028 0.0234 0.0123 1.0000 13.500 1.2100 0.02690 0.02154 0.0242 0.0121 1.0000 13.750 1.2174 0.02837 0.02307 0.0250 0.0119 1.0000 14.000 1.2231 0.03002 0.02478 0.0258 0.0117 1.0000 14.250 1.2322 0.03144 0.02627 0.0264 0.0117 1.0000 14.500 1.2407 0.03293 0.02783 0.0268 0.0116 1.0000 14.750 1.2489 0.03449 0.02945 0.0272 0.0115 1.0000 15.000 1.2575 0.03604 0.03106 0.0275 0.0114 1.0000 15.250 1.2646 0.03778 0.03287 0.0277 0.0113 1.0000 15.500 1.2697 0.03972 0.03489 0.0279 0.0112 1.0000 15.750 1.2752 0.04169 0.03693 0.0280 0.0110 1.0000 16.000 1.2795 0.04385 0.03917 0.0279 0.0110 1.0000 16.250 1.2832 0.04615 0.04155 0.0277 0.0109 1.0000 16.500 1.2855 0.04867 0.04416 0.0274 0.0108 1.0000 16.750 1.2874 0.05133 0.04689 0.0269 0.0107 1.0000 17.000 1.2897 0.05400 0.04964 0.0263 0.0106 1.0000 17.250 1.2888 0.05714 0.05288 0.0254 0.0106 1.0000 17.500 1.2901 0.06011 0.05592 0.0245 0.0104 1.0000 17.750 1.2880 0.06362 0.05953 0.0234 0.0104 1.0000 18.000 1.2872 0.06703 0.06303 0.0221 0.0103 1.0000 18.250 1.2837 0.07093 0.06702 0.0205 0.0103 1.0000 18.500 1.2769 0.07544 0.07165 0.0186 0.0103 1.0000 18.750 1.2715 0.07989 0.07619 0.0166 0.0101 1.0000 19.000 1.2648 0.08466 0.08106 0.0143 0.0101 1.0000 19.250 1.2557 0.09003 0.08655 0.0115 0.0101 1.0000