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 = 9.000 alpha CL CD CDp CM Top_Xtr Bot_Xtr ------ -------- --------- --------- -------- -------- -------- -16.500 -0.9244 0.08010 0.07674 -0.0646 1.0000 0.0212 -16.250 -0.9628 0.06954 0.06592 -0.0714 1.0000 0.0211 -16.000 -0.9856 0.06260 0.05878 -0.0755 1.0000 0.0211 -15.750 -1.0013 0.05729 0.05331 -0.0781 1.0000 0.0212 -15.500 -1.0137 0.05289 0.04875 -0.0798 1.0000 0.0213 -15.250 -1.0237 0.04912 0.04483 -0.0808 1.0000 0.0215 -15.000 -1.0320 0.04586 0.04143 -0.0811 1.0000 0.0216 -14.750 -1.0389 0.04303 0.03846 -0.0807 1.0000 0.0218 -14.500 -1.0453 0.04053 0.03581 -0.0796 1.0000 0.0220 -14.250 -1.0514 0.03835 0.03349 -0.0779 1.0000 0.0222 -14.000 -1.0575 0.03647 0.03147 -0.0755 1.0000 0.0224 -13.750 -1.0639 0.03487 0.02974 -0.0724 1.0000 0.0227 -13.500 -1.0714 0.03354 0.02827 -0.0686 1.0000 0.0229 -13.250 -1.0804 0.03245 0.02706 -0.0640 1.0000 0.0231 -13.000 -1.0910 0.03157 0.02607 -0.0587 1.0000 0.0232 -12.750 -1.1033 0.03088 0.02527 -0.0527 1.0000 0.0234 -12.500 -1.1183 0.03028 0.02457 -0.0460 1.0000 0.0235 -12.250 -1.1320 0.02908 0.02328 -0.0396 1.0000 0.0238 -12.000 -1.1169 0.02780 0.02196 -0.0387 0.9987 0.0243 -11.750 -1.0948 0.02688 0.02099 -0.0389 0.9969 0.0248 -11.500 -1.0712 0.02601 0.02004 -0.0392 0.9952 0.0255 -11.250 -1.0462 0.02514 0.01906 -0.0397 0.9939 0.0263 -11.000 -1.0253 0.02438 0.01818 -0.0392 0.9916 0.0271 -10.750 -1.0041 0.02337 0.01705 -0.0389 0.9893 0.0279 -10.500 -0.9803 0.02250 0.01618 -0.0391 0.9874 0.0289 -10.250 -0.9529 0.02190 0.01554 -0.0398 0.9858 0.0300 -10.000 -0.9247 0.02129 0.01484 -0.0405 0.9845 0.0313 -9.750 -0.8964 0.02064 0.01408 -0.0413 0.9836 0.0325 -9.500 -0.8814 0.01985 0.01330 -0.0394 0.9801 0.0337 -9.250 -0.8580 0.01940 0.01284 -0.0390 0.9777 0.0351 -9.000 -0.8311 0.01901 0.01236 -0.0393 0.9758 0.0369 -8.750 -0.8045 0.01830 0.01163 -0.0397 0.9742 0.0388 -8.500 -0.7750 0.01787 0.01120 -0.0405 0.9730 0.0408 -8.250 -0.7447 0.01752 0.01079 -0.0414 0.9720 0.0430 -8.000 -0.7160 0.01690 0.01016 -0.0422 0.9712 0.0453 -7.750 -0.7050 0.01661 0.00987 -0.0390 0.9661 0.0471 -7.500 -0.6780 0.01632 0.00955 -0.0391 0.9638 0.0497 -7.250 -0.6493 0.01581 0.00901 -0.0397 0.9619 0.0526 -7.000 -0.6176 0.01543 0.00865 -0.0408 0.9604 0.0560 -6.750 -0.5842 0.01517 0.00833 -0.0422 0.9593 0.0592 -6.500 -0.5533 0.01465 0.00787 -0.0433 0.9583 0.0640 -6.250 -0.5194 0.01442 0.00761 -0.0448 0.9576 0.0682 -6.000 -0.5133 0.01413 0.00734 -0.0404 0.9512 0.0722 -5.750 -0.4850 0.01388 0.00709 -0.0407 0.9490 0.0778 -5.500 -0.4554 0.01350 0.00676 -0.0414 0.9473 0.0855 -5.250 -0.4238 0.01318 0.00646 -0.0424 0.9460 0.0951 -5.000 -0.3908 0.01284 0.00619 -0.0437 0.9449 0.1084 -4.750 -0.3572 0.01248 0.00592 -0.0452 0.9441 0.1265 -4.500 -0.3243 0.01211 0.00567 -0.0465 0.9432 0.1517 -4.250 -0.3131 0.01194 0.00560 -0.0432 0.9370 0.1756 -4.000 -0.2872 0.01154 0.00540 -0.0430 0.9342 0.2176 -3.750 -0.2597 0.01102 0.00515 -0.0433 0.9320 0.2822 -3.500 -0.2326 0.01036 0.00488 -0.0435 0.9303 0.3760 -3.250 -0.2061 0.00969 0.00466 -0.0435 0.9287 0.4838 -3.000 -0.1776 0.00925 0.00451 -0.0438 0.9273 0.5635 -2.750 -0.1647 0.00916 0.00458 -0.0406 0.9208 0.6089 -2.500 -0.1380 0.00897 0.00452 -0.0402 0.9177 0.6512 -2.250 -0.1083 0.00880 0.00444 -0.0404 0.9155 0.6836 -2.000 -0.0769 0.00864 0.00434 -0.0410 0.9138 0.7076 -1.750 -0.0448 0.00851 0.00424 -0.0417 0.9122 0.7270 -1.500 -0.0203 0.00847 0.00424 -0.0408 0.9081 0.7432 -1.250 0.0042 0.00841 0.00421 -0.0399 0.9033 0.7578 -1.000 0.0343 0.00829 0.00410 -0.0402 0.9004 0.7722 -0.750 0.0656 0.00812 0.00399 -0.0406 0.8981 0.7862 -0.500 0.0978 0.00797 0.00388 -0.0413 0.8960 0.8002 -0.250 0.1206 0.00794 0.00392 -0.0400 0.8902 0.8159 0.000 0.1475 0.00784 0.00389 -0.0394 0.8856 0.8340 0.250 0.1784 0.00769 0.00379 -0.0397 0.8821 0.8479 0.500 0.2070 0.00750 0.00360 -0.0394 0.8752 0.8585 0.750 0.2385 0.00718 0.00328 -0.0395 0.8647 0.8669 1.000 0.2636 0.00703 0.00314 -0.0385 0.8530 0.8768 1.250 0.2938 0.00693 0.00305 -0.0386 0.8447 0.8853 1.500 0.3193 0.00687 0.00301 -0.0378 0.8335 0.8950 1.750 0.3459 0.00684 0.00301 -0.0373 0.8219 0.9044 2.000 0.3737 0.00681 0.00299 -0.0369 0.8083 0.9129 2.250 0.4000 0.00682 0.00299 -0.0363 0.7914 0.9225 2.500 0.4286 0.00686 0.00300 -0.0361 0.7690 0.9298 2.750 0.4541 0.00696 0.00300 -0.0353 0.7385 0.9390 3.000 0.4820 0.00718 0.00306 -0.0350 0.7002 0.9452 3.250 0.5067 0.00749 0.00320 -0.0341 0.6574 0.9535 3.500 0.5324 0.00790 0.00338 -0.0336 0.6015 0.9597 3.750 0.5572 0.00848 0.00363 -0.0331 0.5249 0.9663 4.000 0.5805 0.00931 0.00398 -0.0326 0.4197 0.9726 4.250 0.6086 0.01028 0.00440 -0.0334 0.3078 0.9769 4.500 0.6353 0.01103 0.00478 -0.0337 0.2343 0.9832 4.750 0.6701 0.01163 0.00512 -0.0358 0.1817 0.9857 5.000 0.7047 0.01215 0.00544 -0.0377 0.1464 0.9890 5.250 0.7379 0.01262 0.00578 -0.0393 0.1223 0.9930 5.500 0.7733 0.01304 0.00610 -0.0413 0.1042 0.9955 5.750 0.8086 0.01345 0.00643 -0.0433 0.0909 0.9982 6.000 0.8373 0.01384 0.00677 -0.0439 0.0814 1.0000 6.250 0.8483 0.01411 0.00700 -0.0408 0.0756 1.0000 6.500 0.8595 0.01438 0.00727 -0.0376 0.0708 1.0000 6.750 0.8713 0.01464 0.00752 -0.0346 0.0666 1.0000 7.000 0.8810 0.01501 0.00787 -0.0311 0.0626 1.0000 7.250 0.8940 0.01524 0.00813 -0.0282 0.0594 1.0000 7.500 0.9047 0.01558 0.00843 -0.0250 0.0562 1.0000 7.750 0.9126 0.01595 0.00882 -0.0211 0.0536 1.0000 8.000 0.9243 0.01622 0.00911 -0.0180 0.0512 1.0000 8.250 0.9361 0.01657 0.00946 -0.0150 0.0490 1.0000 8.500 0.9461 0.01717 0.01005 -0.0118 0.0467 1.0000 8.750 0.9628 0.01751 0.01043 -0.0099 0.0447 1.0000 9.000 0.9794 0.01791 0.01086 -0.0080 0.0427 1.0000 9.250 0.9927 0.01860 0.01151 -0.0057 0.0407 1.0000 9.500 1.0092 0.01913 0.01211 -0.0039 0.0392 1.0000 9.750 1.0265 0.01962 0.01265 -0.0023 0.0376 1.0000 10.000 1.0431 0.02018 0.01322 -0.0007 0.0362 1.0000 10.250 1.0555 0.02110 0.01413 0.0014 0.0347 1.0000 10.500 1.0718 0.02177 0.01488 0.0030 0.0337 1.0000 10.750 1.0885 0.02237 0.01555 0.0045 0.0325 1.0000 11.000 1.1045 0.02301 0.01623 0.0060 0.0313 1.0000 11.250 1.1191 0.02376 0.01699 0.0076 0.0304 1.0000 11.500 1.1295 0.02503 0.01828 0.0096 0.0294 1.0000 11.750 1.1448 0.02578 0.01913 0.0111 0.0287 1.0000 12.000 1.1587 0.02665 0.02010 0.0127 0.0280 1.0000 12.250 1.1719 0.02756 0.02109 0.0143 0.0273 1.0000 12.500 1.1845 0.02852 0.02211 0.0158 0.0267 1.0000 12.750 1.1962 0.02954 0.02317 0.0174 0.0261 1.0000 13.000 1.2063 0.03077 0.02443 0.0190 0.0256 1.0000 13.250 1.2136 0.03262 0.02635 0.0209 0.0250 1.0000 13.500 1.2228 0.03384 0.02771 0.0225 0.0247 1.0000 13.750 1.2308 0.03519 0.02920 0.0241 0.0243 1.0000 14.000 1.2379 0.03665 0.03079 0.0256 0.0239 1.0000 14.250 1.2440 0.03821 0.03247 0.0271 0.0234 1.0000 14.500 1.2489 0.03989 0.03426 0.0284 0.0230 1.0000 14.750 1.2530 0.04168 0.03616 0.0297 0.0227 1.0000 15.000 1.2562 0.04360 0.03818 0.0308 0.0224 1.0000 15.250 1.2584 0.04567 0.04034 0.0318 0.0221 1.0000 15.500 1.2596 0.04792 0.04267 0.0326 0.0219 1.0000 15.750 1.2592 0.05044 0.04528 0.0332 0.0217 1.0000 16.000 1.2557 0.05341 0.04835 0.0338 0.0215 1.0000 16.250 1.2469 0.05719 0.05228 0.0341 0.0212 1.0000 16.500 1.2355 0.06139 0.05667 0.0339 0.0211 1.0000 16.750 1.2249 0.06567 0.06114 0.0329 0.0210 1.0000 17.000 1.2121 0.07055 0.06621 0.0314 0.0209 1.0000 17.250 1.1968 0.07615 0.07200 0.0292 0.0209 1.0000 17.500 1.1785 0.08254 0.07860 0.0262 0.0208 1.0000 17.750 1.1571 0.08986 0.08611 0.0223 0.0208 1.0000 18.000 1.1320 0.09836 0.09482 0.0175 0.0208 1.0000 18.250 1.1016 0.10837 0.10504 0.0115 0.0209 1.0000 18.500 1.0634 0.12065 0.11753 0.0039 0.0210 1.0000