XFOIL Version 6.96 Calculated polar for: LOCKHEED C-141 BL0 AIRFOIL 1 1 Reynolds number fixed Mach number fixed xtrf = 1.000 (top) 1.000 (bottom) Mach = 0.000 Re = 0.500 e 6 Ncrit = 5.000 alpha CL CD CDp CM Top_Xtr Bot_Xtr ------ -------- --------- --------- -------- -------- -------- -18.250 -0.9241 0.11103 0.10770 -0.0435 1.0000 0.0149 -18.000 -0.9690 0.09863 0.09512 -0.0501 1.0000 0.0148 -17.750 -1.0072 0.08771 0.08401 -0.0561 1.0000 0.0148 -17.500 -1.0385 0.07814 0.07426 -0.0615 1.0000 0.0147 -17.250 -1.0632 0.07002 0.06596 -0.0662 1.0000 0.0147 -17.000 -1.0822 0.06323 0.05901 -0.0701 1.0000 0.0148 -16.750 -1.0967 0.05758 0.05321 -0.0732 1.0000 0.0149 -16.500 -1.1077 0.05281 0.04830 -0.0754 1.0000 0.0149 -16.250 -1.1158 0.04877 0.04412 -0.0770 1.0000 0.0150 -16.000 -1.1216 0.04529 0.04051 -0.0780 1.0000 0.0152 -15.750 -1.1253 0.04228 0.03738 -0.0785 1.0000 0.0153 -15.500 -1.1275 0.03966 0.03464 -0.0785 1.0000 0.0155 -15.250 -1.1285 0.03735 0.03221 -0.0780 1.0000 0.0157 -15.000 -1.1287 0.03531 0.03006 -0.0771 1.0000 0.0158 -14.750 -1.1283 0.03353 0.02817 -0.0758 1.0000 0.0160 -14.500 -1.1282 0.03198 0.02651 -0.0740 1.0000 0.0162 -14.250 -1.1285 0.03064 0.02506 -0.0716 1.0000 0.0164 -14.000 -1.1295 0.02948 0.02381 -0.0687 1.0000 0.0165 -13.750 -1.1347 0.02839 0.02265 -0.0648 1.0000 0.0167 -13.500 -1.1418 0.02750 0.02170 -0.0602 1.0000 0.0169 -13.250 -1.1259 0.02636 0.02049 -0.0600 0.9980 0.0173 -13.000 -1.1077 0.02537 0.01943 -0.0599 0.9959 0.0176 -12.750 -1.0877 0.02448 0.01845 -0.0600 0.9941 0.0181 -12.500 -1.0697 0.02367 0.01755 -0.0594 0.9913 0.0186 -12.250 -1.0498 0.02291 0.01671 -0.0590 0.9886 0.0191 -12.000 -1.0274 0.02219 0.01588 -0.0591 0.9863 0.0197 -11.750 -1.0042 0.02138 0.01502 -0.0593 0.9845 0.0204 -11.500 -0.9784 0.02068 0.01429 -0.0599 0.9833 0.0211 -11.250 -0.9590 0.02012 0.01366 -0.0590 0.9796 0.0218 -11.000 -0.9354 0.01953 0.01301 -0.0589 0.9772 0.0226 -10.750 -0.9102 0.01898 0.01237 -0.0591 0.9753 0.0234 -10.500 -0.8852 0.01835 0.01173 -0.0593 0.9736 0.0244 -10.250 -0.8585 0.01784 0.01117 -0.0597 0.9722 0.0254 -10.000 -0.8312 0.01736 0.01064 -0.0602 0.9709 0.0266 -9.750 -0.8119 0.01698 0.01020 -0.0588 0.9665 0.0277 -9.500 -0.7883 0.01651 0.00973 -0.0585 0.9637 0.0290 -9.250 -0.7626 0.01612 0.00930 -0.0585 0.9616 0.0306 -9.000 -0.7360 0.01574 0.00887 -0.0587 0.9599 0.0320 -8.750 -0.7096 0.01530 0.00842 -0.0588 0.9583 0.0335 -8.500 -0.6847 0.01495 0.00804 -0.0586 0.9563 0.0352 -8.250 -0.6635 0.01468 0.00774 -0.0575 0.9526 0.0369 -8.000 -0.6396 0.01433 0.00738 -0.0569 0.9496 0.0388 -7.750 -0.6142 0.01400 0.00704 -0.0567 0.9472 0.0410 -7.500 -0.5877 0.01372 0.00672 -0.0567 0.9454 0.0433 -7.250 -0.5614 0.01338 0.00638 -0.0567 0.9437 0.0458 -7.000 -0.5351 0.01310 0.00609 -0.0566 0.9421 0.0488 -6.750 -0.5134 0.01289 0.00587 -0.0555 0.9385 0.0514 -6.500 -0.4898 0.01262 0.00561 -0.0548 0.9354 0.0548 -6.250 -0.4642 0.01238 0.00536 -0.0545 0.9329 0.0583 -6.000 -0.4382 0.01210 0.00510 -0.0543 0.9306 0.0628 -5.750 -0.4109 0.01185 0.00484 -0.0543 0.9283 0.0677 -5.500 -0.3858 0.01159 0.00460 -0.0538 0.9252 0.0737 -5.250 -0.3624 0.01140 0.00443 -0.0530 0.9214 0.0800 -5.000 -0.3375 0.01117 0.00424 -0.0525 0.9184 0.0882 -4.750 -0.3116 0.01094 0.00404 -0.0523 0.9158 0.0980 -4.500 -0.2850 0.01070 0.00384 -0.0521 0.9136 0.1098 -4.250 -0.2577 0.01045 0.00365 -0.0521 0.9115 0.1244 -4.000 -0.2342 0.01025 0.00351 -0.0513 0.9080 0.1414 -3.750 -0.2101 0.01004 0.00338 -0.0506 0.9044 0.1616 -3.500 -0.1852 0.00977 0.00322 -0.0502 0.9012 0.1887 -3.250 -0.1596 0.00947 0.00305 -0.0498 0.8983 0.2231 -3.000 -0.1337 0.00913 0.00288 -0.0496 0.8959 0.2683 -2.750 -0.1118 0.00876 0.00275 -0.0485 0.8922 0.3279 -2.500 -0.0911 0.00834 0.00262 -0.0473 0.8880 0.4032 -2.250 -0.0689 0.00793 0.00250 -0.0462 0.8842 0.4798 -2.000 -0.0445 0.00761 0.00240 -0.0455 0.8811 0.5403 -1.750 -0.0195 0.00740 0.00234 -0.0449 0.8778 0.5868 -1.500 0.0036 0.00727 0.00234 -0.0439 0.8731 0.6224 -1.000 0.0566 0.00705 0.00229 -0.0431 0.8652 0.6762 -0.750 0.0840 0.00699 0.00227 -0.0428 0.8613 0.6980 -0.500 0.1087 0.00695 0.00229 -0.0421 0.8558 0.7172 -0.250 0.1351 0.00688 0.00228 -0.0416 0.8507 0.7387 0.000 0.1633 0.00679 0.00226 -0.0415 0.8463 0.7602 0.250 0.1876 0.00676 0.00229 -0.0406 0.8388 0.7744 0.500 0.2147 0.00668 0.00222 -0.0402 0.8269 0.7840 0.750 0.2396 0.00660 0.00211 -0.0393 0.8038 0.7927 1.000 0.2652 0.00656 0.00203 -0.0385 0.7762 0.8018 1.250 0.2907 0.00658 0.00198 -0.0378 0.7481 0.8108 1.500 0.3147 0.00669 0.00196 -0.0368 0.7151 0.8209 1.750 0.3377 0.00684 0.00201 -0.0356 0.6831 0.8310 2.000 0.3598 0.00703 0.00209 -0.0342 0.6474 0.8421 2.250 0.3805 0.00727 0.00219 -0.0326 0.6054 0.8537 2.500 0.3999 0.00757 0.00233 -0.0308 0.5565 0.8655 2.750 0.4177 0.00796 0.00251 -0.0287 0.4960 0.8781 3.250 0.4524 0.00905 0.00301 -0.0246 0.3473 0.9045 3.750 0.4957 0.01004 0.00355 -0.0224 0.2359 0.9283 4.000 0.5195 0.01044 0.00380 -0.0218 0.1995 0.9397 4.250 0.5465 0.01084 0.00406 -0.0218 0.1686 0.9479 4.500 0.5720 0.01119 0.00430 -0.0215 0.1451 0.9572 4.750 0.6017 0.01156 0.00457 -0.0222 0.1251 0.9632 5.250 0.6594 0.01224 0.00511 -0.0231 0.0968 0.9749 5.500 0.6890 0.01256 0.00538 -0.0238 0.0867 0.9800 5.750 0.7190 0.01288 0.00567 -0.0245 0.0780 0.9841 6.000 0.7513 0.01323 0.00598 -0.0258 0.0704 0.9867 6.250 0.7822 0.01360 0.00631 -0.0269 0.0637 0.9901 6.500 0.8121 0.01393 0.00663 -0.0276 0.0586 0.9936 6.750 0.8436 0.01431 0.00698 -0.0288 0.0537 0.9959 7.000 0.8749 0.01467 0.00733 -0.0300 0.0495 0.9985 7.250 0.8985 0.01503 0.00767 -0.0295 0.0462 1.0000 7.500 0.9117 0.01527 0.00792 -0.0267 0.0439 1.0000 7.750 0.9230 0.01553 0.00818 -0.0235 0.0417 1.0000 8.000 0.9336 0.01581 0.00847 -0.0202 0.0399 1.0000 8.250 0.9464 0.01608 0.00876 -0.0173 0.0383 1.0000 8.500 0.9603 0.01639 0.00908 -0.0148 0.0366 1.0000 8.750 0.9751 0.01677 0.00946 -0.0125 0.0349 1.0000 9.000 0.9915 0.01714 0.00987 -0.0105 0.0334 1.0000 9.250 1.0087 0.01753 0.01028 -0.0088 0.0319 1.0000 9.500 1.0259 0.01796 0.01072 -0.0071 0.0304 1.0000 9.750 1.0426 0.01846 0.01123 -0.0054 0.0292 1.0000 10.000 1.0602 0.01892 0.01174 -0.0039 0.0282 1.0000 10.250 1.0776 0.01941 0.01227 -0.0024 0.0271 1.0000 10.500 1.0946 0.01994 0.01283 -0.0009 0.0261 1.0000 10.750 1.1104 0.02057 0.01348 0.0007 0.0252 1.0000 11.000 1.1269 0.02115 0.01412 0.0022 0.0244 1.0000 11.250 1.1433 0.02175 0.01477 0.0037 0.0236 1.0000 11.500 1.1594 0.02237 0.01545 0.0051 0.0227 1.0000 11.750 1.1747 0.02306 0.01616 0.0066 0.0220 1.0000 12.000 1.1885 0.02385 0.01700 0.0082 0.0214 1.0000 12.250 1.2022 0.02466 0.01787 0.0098 0.0208 1.0000 12.500 1.2160 0.02546 0.01875 0.0113 0.0203 1.0000 12.750 1.2290 0.02633 0.01969 0.0129 0.0198 1.0000 13.000 1.2415 0.02724 0.02068 0.0144 0.0194 1.0000 13.250 1.2533 0.02820 0.02171 0.0159 0.0190 1.0000 13.500 1.2642 0.02925 0.02282 0.0174 0.0186 1.0000 13.750 1.2738 0.03041 0.02404 0.0190 0.0182 1.0000 14.000 1.2811 0.03176 0.02545 0.0206 0.0179 1.0000 14.500 1.2957 0.03458 0.02847 0.0235 0.0174 1.0000 14.750 1.3024 0.03609 0.03009 0.0248 0.0171 1.0000 15.000 1.3081 0.03772 0.03183 0.0260 0.0168 1.0000 15.250 1.3129 0.03948 0.03369 0.0271 0.0165 1.0000 15.500 1.3169 0.04139 0.03570 0.0281 0.0163 1.0000 15.750 1.3197 0.04347 0.03789 0.0288 0.0160 1.0000 16.000 1.3216 0.04574 0.04027 0.0294 0.0158 1.0000 16.250 1.3222 0.04826 0.04289 0.0297 0.0156 1.0000 16.500 1.3213 0.05108 0.04582 0.0298 0.0154 1.0000 16.750 1.3185 0.05425 0.04910 0.0295 0.0153 1.0000 17.000 1.3138 0.05781 0.05277 0.0290 0.0152 1.0000 17.250 1.3071 0.06184 0.05692 0.0280 0.0150 1.0000 17.500 1.2979 0.06640 0.06161 0.0265 0.0149 1.0000 17.750 1.2863 0.07152 0.06685 0.0246 0.0148 1.0000 18.000 1.2724 0.07723 0.07271 0.0222 0.0148 1.0000 18.250 1.2567 0.08352 0.07913 0.0193 0.0147 1.0000 18.500 1.2398 0.09023 0.08600 0.0160 0.0147 1.0000 18.750 1.2203 0.09761 0.09355 0.0122 0.0146 1.0000 19.000 1.1988 0.10554 0.10164 0.0080 0.0146 1.0000 19.250 1.1754 0.11396 0.11021 0.0036 0.0146 1.0000