XFOIL Version 6.96 Calculated polar for: LOCKHEED C-141 BL610.61 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 ------ -------- --------- --------- -------- -------- -------- -15.750 -1.1204 0.04744 0.04430 -0.0729 1.0000 0.0084 -15.500 -1.1389 0.04166 0.03833 -0.0764 1.0000 0.0084 -15.250 -1.1494 0.03785 0.03437 -0.0776 1.0000 0.0085 -15.000 -1.1564 0.03499 0.03137 -0.0774 1.0000 0.0085 -14.750 -1.1603 0.03283 0.02908 -0.0761 1.0000 0.0085 -14.500 -1.1632 0.03111 0.02725 -0.0739 1.0000 0.0086 -14.250 -1.1689 0.02980 0.02584 -0.0702 1.0000 0.0086 -14.000 -1.1811 0.02891 0.02487 -0.0643 1.0000 0.0086 -13.750 -1.1787 0.02781 0.02367 -0.0612 0.9994 0.0087 -13.500 -1.1610 0.02653 0.02227 -0.0610 0.9978 0.0088 -13.250 -1.1418 0.02536 0.02099 -0.0610 0.9963 0.0089 -13.000 -1.1209 0.02426 0.01978 -0.0611 0.9951 0.0089 -12.750 -1.0982 0.02324 0.01865 -0.0614 0.9942 0.0090 -12.500 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0.9590 0.0127 -7.750 -0.5978 0.01166 0.00580 -0.0601 0.9556 0.0133 -7.500 -0.5727 0.01134 0.00546 -0.0597 0.9521 0.0138 -7.250 -0.5469 0.01104 0.00514 -0.0593 0.9489 0.0144 -7.000 -0.5204 0.01076 0.00483 -0.0591 0.9462 0.0151 -6.750 -0.4942 0.01048 0.00454 -0.0588 0.9432 0.0160 -6.500 -0.4686 0.01022 0.00427 -0.0585 0.9394 0.0173 -6.250 -0.4424 0.00997 0.00402 -0.0582 0.9358 0.0189 -6.000 -0.4158 0.00973 0.00377 -0.0580 0.9325 0.0212 -5.750 -0.3888 0.00950 0.00354 -0.0578 0.9295 0.0239 -5.500 -0.3624 0.00930 0.00336 -0.0576 0.9255 0.0268 -5.250 -0.3355 0.00911 0.00318 -0.0574 0.9214 0.0298 -5.000 -0.3085 0.00892 0.00300 -0.0572 0.9176 0.0326 -4.750 -0.2809 0.00877 0.00282 -0.0571 0.9141 0.0349 -4.500 -0.2541 0.00860 0.00267 -0.0570 0.9095 0.0377 -4.250 -0.2268 0.00845 0.00252 -0.0568 0.9047 0.0402 -4.000 -0.1995 0.00829 0.00236 -0.0567 0.9001 0.0434 -3.750 -0.1721 0.00815 0.00223 -0.0566 0.8953 0.0471 -3.500 -0.1450 0.00799 0.00211 -0.0564 0.8897 0.0529 -3.250 -0.1175 0.00785 0.00199 -0.0563 0.8845 0.0600 -3.000 -0.0901 0.00772 0.00189 -0.0562 0.8794 0.0673 -2.750 -0.0624 0.00761 0.00179 -0.0562 0.8737 0.0733 -2.500 -0.0349 0.00749 0.00168 -0.0561 0.8684 0.0806 -2.250 -0.0071 0.00741 0.00160 -0.0560 0.8630 0.0856 -2.000 0.0204 0.00730 0.00151 -0.0559 0.8570 0.0940 -1.750 0.0480 0.00719 0.00143 -0.0558 0.8512 0.1062 -1.500 0.0751 0.00702 0.00137 -0.0557 0.8449 0.1338 -1.250 0.1020 0.00686 0.00130 -0.0555 0.8382 0.1688 -1.000 0.1286 0.00663 0.00123 -0.0553 0.8319 0.2245 -0.750 0.1546 0.00636 0.00117 -0.0550 0.8232 0.2931 -0.500 0.1781 0.00589 0.00109 -0.0543 0.8088 0.4262 -0.250 0.2007 0.00553 0.00102 -0.0533 0.7846 0.5456 0.000 0.2239 0.00545 0.00100 -0.0522 0.7479 0.6065 0.250 0.2469 0.00549 0.00101 -0.0511 0.7071 0.6530 0.500 0.2693 0.00548 0.00105 -0.0499 0.6694 0.7132 0.750 0.2907 0.00557 0.00112 -0.0484 0.6198 0.7679 1.000 0.3131 0.00572 0.00121 -0.0472 0.5711 0.8039 1.250 0.3366 0.00588 0.00130 -0.0462 0.5283 0.8310 1.750 0.3799 0.00654 0.00161 -0.0436 0.3977 0.8842 2.000 0.4021 0.00690 0.00178 -0.0424 0.3397 0.9060 2.250 0.4246 0.00726 0.00195 -0.0413 0.2838 0.9242 2.500 0.4477 0.00760 0.00212 -0.0403 0.2350 0.9392 2.750 0.4727 0.00788 0.00227 -0.0397 0.2014 0.9488 3.000 0.4976 0.00816 0.00242 -0.0391 0.1713 0.9579 3.250 0.5248 0.00844 0.00258 -0.0391 0.1437 0.9639 3.500 0.5504 0.00871 0.00274 -0.0387 0.1198 0.9707 3.750 0.5796 0.00897 0.00290 -0.0391 0.1030 0.9747 4.000 0.6087 0.00920 0.00307 -0.0395 0.0919 0.9791 4.250 0.6365 0.00939 0.00322 -0.0396 0.0850 0.9838 4.500 0.6677 0.00962 0.00340 -0.0405 0.0780 0.9859 4.750 0.6988 0.00981 0.00357 -0.0413 0.0736 0.9884 5.000 0.7293 0.01005 0.00377 -0.0421 0.0680 0.9909 5.250 0.7594 0.01024 0.00395 -0.0427 0.0643 0.9934 5.500 0.7904 0.01050 0.00416 -0.0436 0.0588 0.9951 5.750 0.8222 0.01072 0.00436 -0.0447 0.0547 0.9968 6.000 0.8530 0.01098 0.00458 -0.0455 0.0500 0.9987 6.250 0.8818 0.01122 0.00481 -0.0460 0.0464 1.0000 6.500 0.9016 0.01144 0.00501 -0.0444 0.0432 1.0000 6.750 0.9221 0.01165 0.00521 -0.0429 0.0405 1.0000 7.000 0.9422 0.01191 0.00544 -0.0414 0.0373 1.0000 7.250 0.9631 0.01215 0.00568 -0.0401 0.0346 1.0000 7.500 0.9840 0.01243 0.00594 -0.0388 0.0318 1.0000 7.750 1.0057 0.01270 0.00621 -0.0377 0.0296 1.0000 8.000 1.0272 0.01302 0.00651 -0.0366 0.0274 1.0000 8.250 1.0495 0.01330 0.00681 -0.0356 0.0258 1.0000 8.500 1.0713 0.01363 0.00714 -0.0346 0.0241 1.0000 8.750 1.0932 0.01397 0.00749 -0.0336 0.0228 1.0000 9.000 1.1152 0.01430 0.00783 -0.0327 0.0215 1.0000 9.250 1.1367 0.01468 0.00821 -0.0317 0.0203 1.0000 9.500 1.1581 0.01506 0.00861 -0.0306 0.0192 1.0000 9.750 1.1795 0.01542 0.00900 -0.0296 0.0183 1.0000 10.000 1.2004 0.01582 0.00941 -0.0286 0.0174 1.0000 10.250 1.2204 0.01628 0.00988 -0.0274 0.0166 1.0000 10.500 1.2399 0.01669 0.01033 -0.0261 0.0161 1.0000 10.750 1.2590 0.01711 0.01078 -0.0247 0.0156 1.0000 11.000 1.2776 0.01756 0.01127 -0.0232 0.0151 1.0000 11.250 1.2957 0.01804 0.01178 -0.0218 0.0146 1.0000 11.500 1.3134 0.01856 0.01234 -0.0203 0.0142 1.0000 11.750 1.3302 0.01915 0.01296 -0.0187 0.0138 1.0000 12.000 1.3468 0.01975 0.01360 -0.0171 0.0135 1.0000 12.250 1.3637 0.02031 0.01422 -0.0156 0.0133 1.0000 12.500 1.3799 0.02091 0.01488 -0.0141 0.0130 1.0000 12.750 1.3956 0.02155 0.01558 -0.0125 0.0128 1.0000 13.000 1.4106 0.02222 0.01632 -0.0109 0.0126 1.0000 13.250 1.4251 0.02295 0.01710 -0.0093 0.0123 1.0000 13.500 1.4387 0.02372 0.01793 -0.0076 0.0121 1.0000 13.750 1.4517 0.02454 0.01882 -0.0059 0.0119 1.0000 14.000 1.4639 0.02543 0.01977 -0.0043 0.0117 1.0000 14.250 1.4750 0.02640 0.02080 -0.0025 0.0115 1.0000 14.500 1.4845 0.02750 0.02197 -0.0007 0.0113 1.0000 14.750 1.4918 0.02879 0.02334 0.0012 0.0111 1.0000 15.000 1.5001 0.03002 0.02466 0.0029 0.0110 1.0000 15.250 1.5084 0.03128 0.02600 0.0044 0.0109 1.0000 15.500 1.5155 0.03265 0.02747 0.0059 0.0108 1.0000 15.750 1.5216 0.03416 0.02907 0.0073 0.0107 1.0000 16.000 1.5266 0.03581 0.03082 0.0087 0.0106 1.0000 16.250 1.5303 0.03762 0.03273 0.0099 0.0105 1.0000 16.500 1.5328 0.03963 0.03484 0.0110 0.0104 1.0000 16.750 1.5338 0.04186 0.03718 0.0119 0.0104 1.0000 17.000 1.5333 0.04433 0.03976 0.0126 0.0103 1.0000 17.250 1.5314 0.04708 0.04262 0.0130 0.0102 1.0000 17.500 1.5279 0.05020 0.04585 0.0130 0.0101 1.0000 17.750 1.5225 0.05369 0.04947 0.0127 0.0101 1.0000 18.000 1.5148 0.05771 0.05361 0.0120 0.0100 1.0000 18.250 1.5048 0.06229 0.05833 0.0107 0.0100 1.0000 18.500 1.4913 0.06767 0.06386 0.0087 0.0099 1.0000 18.750 1.4736 0.07401 0.07034 0.0059 0.0099 1.0000 19.000 1.4502 0.08173 0.07823 0.0022 0.0099 1.0000 19.250 1.4182 0.09143 0.08812 -0.0030 0.0099 1.0000