XFOIL Version 6.96 Calculated polar for: LOCKHEED C-5A BL488.2 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 ------ -------- --------- --------- -------- -------- -------- -16.250 -0.9536 0.08116 0.07866 -0.0546 1.0000 0.0103 -16.000 -0.9965 0.06842 0.06571 -0.0626 1.0000 0.0103 -15.750 -1.0253 0.05926 0.05635 -0.0687 1.0000 0.0103 -15.500 -1.0454 0.05251 0.04943 -0.0729 1.0000 0.0103 -15.250 -1.0608 0.04727 0.04403 -0.0755 1.0000 0.0103 -15.000 -1.0729 0.04311 0.03973 -0.0767 1.0000 0.0103 -14.750 -1.0829 0.03977 0.03624 -0.0769 1.0000 0.0103 -14.500 -1.0919 0.03701 0.03335 -0.0760 1.0000 0.0103 -14.250 -1.0999 0.03474 0.03097 -0.0743 1.0000 0.0103 -14.000 -1.1084 0.03286 0.02897 -0.0716 1.0000 0.0104 -13.750 -1.1181 0.03135 0.02735 -0.0680 1.0000 0.0104 -13.500 -1.1140 0.02970 0.02557 -0.0669 0.9990 0.0104 -13.250 -1.1027 0.02815 0.02389 -0.0666 0.9972 0.0105 -13.000 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0.9644 0.0124 -8.250 -0.6526 0.01274 0.00691 -0.0654 0.9630 0.0125 -8.000 -0.6276 0.01239 0.00652 -0.0651 0.9608 0.0127 -7.750 -0.6035 0.01206 0.00616 -0.0646 0.9579 0.0129 -7.500 -0.5780 0.01174 0.00581 -0.0644 0.9555 0.0131 -7.250 -0.5518 0.01143 0.00547 -0.0643 0.9534 0.0134 -7.000 -0.5251 0.01112 0.00513 -0.0643 0.9515 0.0137 -6.750 -0.4979 0.01079 0.00479 -0.0644 0.9498 0.0145 -6.500 -0.4716 0.01053 0.00453 -0.0643 0.9477 0.0152 -6.250 -0.4463 0.01030 0.00429 -0.0639 0.9449 0.0161 -6.000 -0.4201 0.01008 0.00405 -0.0637 0.9422 0.0169 -5.750 -0.3935 0.00984 0.00381 -0.0636 0.9397 0.0182 -5.500 -0.3661 0.00962 0.00358 -0.0637 0.9374 0.0198 -5.250 -0.3379 0.00943 0.00338 -0.0639 0.9353 0.0212 -5.000 -0.3114 0.00922 0.00319 -0.0637 0.9327 0.0233 -4.750 -0.2852 0.00905 0.00302 -0.0635 0.9296 0.0252 -4.500 -0.2583 0.00888 0.00285 -0.0634 0.9264 0.0271 -4.250 -0.2308 0.00869 0.00267 -0.0634 0.9228 0.0304 -3.750 -0.1764 0.00835 0.00235 -0.0633 0.9153 0.0391 -3.500 -0.1496 0.00817 0.00221 -0.0632 0.9118 0.0472 -3.250 -0.1230 0.00790 0.00205 -0.0631 0.9085 0.0721 -3.000 -0.0959 0.00763 0.00191 -0.0631 0.9055 0.1074 -2.750 -0.0686 0.00747 0.00181 -0.0631 0.9023 0.1254 -2.500 -0.0423 0.00726 0.00171 -0.0629 0.8984 0.1506 -2.250 -0.0160 0.00699 0.00159 -0.0627 0.8944 0.1953 -2.000 0.0102 0.00663 0.00146 -0.0626 0.8901 0.2643 -1.750 0.0353 0.00627 0.00136 -0.0623 0.8846 0.3367 -1.500 0.0591 0.00576 0.00124 -0.0617 0.8786 0.4527 -1.250 0.0839 0.00538 0.00115 -0.0612 0.8704 0.5445 -1.000 0.1102 0.00523 0.00108 -0.0609 0.8581 0.5831 -0.750 0.1370 0.00516 0.00104 -0.0606 0.8443 0.6072 -0.500 0.1638 0.00510 0.00101 -0.0603 0.8312 0.6309 -0.250 0.1900 0.00508 0.00099 -0.0599 0.8120 0.6552 0.000 0.2149 0.00516 0.00097 -0.0592 0.7800 0.6694 0.250 0.2375 0.00534 0.00098 -0.0579 0.7303 0.6821 0.500 0.2578 0.00563 0.00105 -0.0562 0.6662 0.6967 0.750 0.2791 0.00592 0.00114 -0.0548 0.6090 0.7122 1.000 0.3016 0.00618 0.00123 -0.0537 0.5555 0.7275 1.250 0.3242 0.00646 0.00134 -0.0527 0.5002 0.7422 1.500 0.3461 0.00683 0.00148 -0.0516 0.4319 0.7559 1.750 0.3680 0.00724 0.00163 -0.0505 0.3604 0.7677 2.000 0.3899 0.00768 0.00181 -0.0495 0.2860 0.7775 2.250 0.4134 0.00804 0.00196 -0.0487 0.2305 0.7867 2.500 0.4370 0.00836 0.00212 -0.0480 0.1829 0.7974 2.750 0.4619 0.00860 0.00227 -0.0474 0.1521 0.8066 3.000 0.4869 0.00884 0.00241 -0.0470 0.1254 0.8148 3.250 0.5127 0.00900 0.00255 -0.0466 0.1127 0.8228 3.500 0.5384 0.00917 0.00269 -0.0462 0.1018 0.8318 3.750 0.5640 0.00933 0.00283 -0.0458 0.0902 0.8412 4.000 0.5890 0.00955 0.00300 -0.0453 0.0724 0.8516 4.250 0.6133 0.00980 0.00319 -0.0447 0.0562 0.8632 4.500 0.6382 0.00998 0.00338 -0.0441 0.0505 0.8751 4.750 0.6630 0.01016 0.00357 -0.0435 0.0473 0.8871 5.000 0.6877 0.01034 0.00377 -0.0429 0.0448 0.8998 5.250 0.7122 0.01051 0.00398 -0.0422 0.0434 0.9132 5.500 0.7365 0.01065 0.00418 -0.0415 0.0427 0.9276 5.750 0.7607 0.01081 0.00439 -0.0407 0.0416 0.9428 6.000 0.7860 0.01100 0.00460 -0.0403 0.0402 0.9587 6.250 0.8143 0.01123 0.00485 -0.0405 0.0387 0.9730 6.500 0.8446 0.01151 0.00512 -0.0413 0.0373 0.9847 6.750 0.8750 0.01182 0.00544 -0.0421 0.0358 0.9947 7.000 0.9031 0.01207 0.00571 -0.0424 0.0350 1.0000 7.250 0.9265 0.01228 0.00593 -0.0417 0.0343 1.0000 7.500 0.9500 0.01250 0.00617 -0.0409 0.0334 1.0000 7.750 0.9735 0.01274 0.00643 -0.0402 0.0323 1.0000 8.000 0.9968 0.01300 0.00668 -0.0395 0.0307 1.0000 8.250 1.0195 0.01331 0.00697 -0.0387 0.0288 1.0000 8.500 1.0428 0.01356 0.00724 -0.0380 0.0277 1.0000 8.750 1.0659 0.01383 0.00752 -0.0372 0.0258 1.0000 9.000 1.0883 0.01415 0.00781 -0.0364 0.0235 1.0000 9.250 1.1106 0.01447 0.00814 -0.0355 0.0218 1.0000 9.500 1.1324 0.01482 0.00849 -0.0346 0.0202 1.0000 9.750 1.1531 0.01519 0.00887 -0.0335 0.0189 1.0000 10.000 1.1735 0.01556 0.00926 -0.0322 0.0180 1.0000 10.250 1.1934 0.01595 0.00968 -0.0310 0.0171 1.0000 10.500 1.2129 0.01639 0.01013 -0.0297 0.0162 1.0000 10.750 1.2321 0.01685 0.01062 -0.0283 0.0153 1.0000 11.000 1.2514 0.01728 0.01110 -0.0271 0.0148 1.0000 11.250 1.2704 0.01774 0.01160 -0.0257 0.0142 1.0000 11.500 1.2887 0.01824 0.01213 -0.0244 0.0136 1.0000 11.750 1.3064 0.01879 0.01271 -0.0229 0.0130 1.0000 12.000 1.3234 0.01938 0.01335 -0.0214 0.0124 1.0000 12.250 1.3408 0.01992 0.01395 -0.0200 0.0120 1.0000 12.500 1.3581 0.02046 0.01455 -0.0185 0.0116 1.0000 12.750 1.3746 0.02105 0.01519 -0.0170 0.0110 1.0000 13.000 1.3902 0.02171 0.01589 -0.0155 0.0104 1.0000 13.250 1.4048 0.02244 0.01667 -0.0138 0.0098 1.0000 13.500 1.4192 0.02317 0.01745 -0.0122 0.0093 1.0000 13.750 1.4337 0.02388 0.01825 -0.0106 0.0088 1.0000 14.000 1.4470 0.02469 0.01911 -0.0089 0.0080 1.0000 14.500 1.4703 0.02656 0.02109 -0.0054 0.0069 1.0000 14.750 1.4804 0.02761 0.02220 -0.0036 0.0066 1.0000 15.000 1.4896 0.02875 0.02341 -0.0018 0.0063 1.0000 15.250 1.4976 0.03000 0.02473 0.0000 0.0061 1.0000 15.500 1.5042 0.03138 0.02619 0.0019 0.0058 1.0000 15.750 1.5096 0.03289 0.02780 0.0036 0.0056 1.0000 16.000 1.5144 0.03449 0.02949 0.0053 0.0054 1.0000 16.250 1.5188 0.03615 0.03125 0.0068 0.0053 1.0000 16.500 1.5219 0.03799 0.03320 0.0082 0.0052 1.0000 16.750 1.5236 0.04003 0.03535 0.0094 0.0051 1.0000 17.000 1.5237 0.04230 0.03773 0.0105 0.0050 1.0000 17.250 1.5221 0.04484 0.04039 0.0113 0.0049 1.0000 17.500 1.5190 0.04771 0.04338 0.0118 0.0049 1.0000 17.750 1.5143 0.05091 0.04671 0.0120 0.0048 1.0000 18.000 1.5072 0.05462 0.05054 0.0117 0.0048 1.0000 18.250 1.4978 0.05888 0.05495 0.0109 0.0047 1.0000 18.500 1.4857 0.06380 0.06000 0.0094 0.0047 1.0000 18.750 1.4699 0.06955 0.06591 0.0072 0.0046 1.0000 19.000 1.4492 0.07649 0.07302 0.0041 0.0046 1.0000 19.250 1.4217 0.08509 0.08180 -0.0003 0.0047 1.0000