Smoothed ATR airfoil coordinates obtained using AFSMO (Harry Morgan's NASA smoothing program) (atr72sm-il) Xfoil prediction polar at RE=1,000,000 Ncrit=9
| Details | Polar file |
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Airfoil: Smoothed ATR airfoil coordinates obtained using AFSMO (Harry Morgan's NASA smoothing program) (atr72sm-il) Reynolds number: 1,000,000 Max Cl/Cd: 104.4 at α=9.75° Description: Mach=0 Ncrit=9 Source: Xfoil prediction Download polar: xf-atr72sm-il-1000000.txt Download as CSV file: xf-atr72sm-il-1000000.csv |
XFOIL Version 6.96
Calculated polar for: Smoothed ATR airfoil coordinates obtained using
1 1 Reynolds number fixed Mach number fixed
xtrf = 1.000 (top) 1.000 (bottom)
Mach = 0.000 Re = 1.000 e 6 Ncrit = 9.000
alpha CL CD CDp CM Top_Xtr Bot_Xtr
------ -------- --------- --------- -------- -------- --------
-16.750 -0.8693 0.09034 0.08785 -0.0395 1.0000 0.0171
-16.500 -0.9504 0.07133 0.06852 -0.0520 1.0000 0.0169
-16.250 -0.9896 0.06037 0.05734 -0.0599 1.0000 0.0168
-16.000 -1.0128 0.05283 0.04961 -0.0654 1.0000 0.0168
-15.750 -1.0279 0.04716 0.04378 -0.0692 1.0000 0.0168
-15.500 -1.0384 0.04270 0.03918 -0.0717 1.0000 0.0169
-15.250 -1.0437 0.03932 0.03568 -0.0731 1.0000 0.0169
-15.000 -1.0498 0.03618 0.03241 -0.0737 1.0000 0.0170
-14.750 -1.0519 0.03377 0.02988 -0.0735 1.0000 0.0170
-14.500 -1.0515 0.03183 0.02783 -0.0728 1.0000 0.0172
-14.250 -1.0504 0.03011 0.02602 -0.0715 1.0000 0.0173
-14.000 -1.0479 0.02864 0.02445 -0.0698 1.0000 0.0174
-13.750 -1.0444 0.02736 0.02307 -0.0678 1.0000 0.0175
-13.500 -1.0390 0.02631 0.02193 -0.0655 1.0000 0.0176
-13.250 -1.0330 0.02538 0.02092 -0.0630 1.0000 0.0178
-13.000 -1.0281 0.02449 0.01996 -0.0601 1.0000 0.0178
-12.750 -1.0214 0.02387 0.01926 -0.0570 1.0000 0.0180
-12.500 -1.0187 0.02317 0.01850 -0.0531 1.0000 0.0180
-12.250 -1.0123 0.02249 0.01775 -0.0498 1.0000 0.0181
-12.000 -1.0167 0.02151 0.01669 -0.0447 1.0000 0.0182
-11.750 -1.0043 0.02028 0.01538 -0.0430 0.9983 0.0186
-11.500 -0.9756 0.01938 0.01442 -0.0440 0.9951 0.0189
-11.250 -0.9466 0.01869 0.01370 -0.0447 0.9917 0.0193
-11.000 -0.9176 0.01806 0.01304 -0.0454 0.9882 0.0196
-10.750 -0.8870 0.01739 0.01232 -0.0464 0.9852 0.0199
-10.500 -0.8548 0.01676 0.01165 -0.0476 0.9831 0.0203
-10.250 -0.8227 0.01615 0.01098 -0.0487 0.9805 0.0207
-10.000 -0.7918 0.01561 0.01039 -0.0495 0.9751 0.0210
-9.750 -0.7572 0.01506 0.00979 -0.0510 0.9703 0.0213
-9.500 -0.7284 0.01458 0.00925 -0.0513 0.9625 0.0216
-9.000 -0.6805 0.01339 0.00797 -0.0500 0.9454 0.0229
-8.750 -0.6567 0.01306 0.00760 -0.0491 0.9368 0.0235
-8.500 -0.6338 0.01275 0.00724 -0.0480 0.9281 0.0240
-8.250 -0.6102 0.01245 0.00690 -0.0470 0.9205 0.0247
-8.000 -0.5864 0.01219 0.00659 -0.0460 0.9123 0.0253
-7.750 -0.5639 0.01177 0.00613 -0.0449 0.9044 0.0263
-7.500 -0.5404 0.01147 0.00581 -0.0438 0.8946 0.0274
-7.250 -0.5158 0.01123 0.00555 -0.0430 0.8857 0.0287
-7.000 -0.4907 0.01103 0.00529 -0.0422 0.8762 0.0298
-6.750 -0.4670 0.01068 0.00494 -0.0412 0.8650 0.0320
-6.500 -0.4420 0.01048 0.00470 -0.0404 0.8521 0.0341
-6.250 -0.4175 0.01025 0.00443 -0.0395 0.8380 0.0369
-6.000 -0.3919 0.01009 0.00424 -0.0388 0.8227 0.0397
-5.750 -0.3670 0.00990 0.00401 -0.0380 0.8050 0.0428
-5.500 -0.3415 0.00979 0.00385 -0.0373 0.7838 0.0457
-5.250 -0.3165 0.00969 0.00365 -0.0364 0.7586 0.0484
-5.000 -0.2919 0.00960 0.00349 -0.0356 0.7319 0.0516
-4.750 -0.2663 0.00958 0.00337 -0.0349 0.7057 0.0541
-4.500 -0.2417 0.00947 0.00317 -0.0341 0.6799 0.0575
-4.250 -0.2165 0.00942 0.00304 -0.0333 0.6512 0.0605
-4.000 -0.1910 0.00943 0.00293 -0.0327 0.6221 0.0628
-3.750 -0.1663 0.00935 0.00277 -0.0319 0.5953 0.0673
-3.500 -0.1406 0.00933 0.00266 -0.0313 0.5709 0.0712
-3.250 -0.1152 0.00927 0.00255 -0.0306 0.5459 0.0769
-3.000 -0.0895 0.00926 0.00245 -0.0300 0.5160 0.0830
-2.750 -0.0652 0.00929 0.00236 -0.0292 0.4695 0.0941
-2.250 -0.0166 0.00932 0.00225 -0.0277 0.3965 0.1302
-2.000 0.0089 0.00929 0.00221 -0.0272 0.3778 0.1512
-1.750 0.0345 0.00920 0.00216 -0.0266 0.3645 0.1786
-1.500 0.0597 0.00910 0.00212 -0.0260 0.3531 0.2137
-1.250 0.0843 0.00883 0.00204 -0.0254 0.3452 0.2764
-1.000 0.1054 0.00836 0.00197 -0.0242 0.3369 0.4112
-0.750 0.1290 0.00806 0.00194 -0.0233 0.3312 0.4968
-0.500 0.1524 0.00783 0.00193 -0.0223 0.3248 0.5741
-0.250 0.1763 0.00770 0.00196 -0.0214 0.3182 0.6390
0.000 0.2017 0.00761 0.00198 -0.0207 0.3136 0.6828
0.250 0.2273 0.00757 0.00200 -0.0200 0.3085 0.7169
0.500 0.2524 0.00756 0.00205 -0.0193 0.3029 0.7479
0.750 0.2771 0.00747 0.00210 -0.0184 0.2996 0.7880
1.000 0.3011 0.00740 0.00219 -0.0172 0.2961 0.8400
1.250 0.3263 0.00745 0.00229 -0.0163 0.2920 0.8736
1.500 0.3517 0.00756 0.00239 -0.0156 0.2870 0.8939
1.750 0.3776 0.00765 0.00249 -0.0149 0.2837 0.9094
2.000 0.4033 0.00772 0.00256 -0.0142 0.2809 0.9224
2.250 0.4291 0.00782 0.00266 -0.0134 0.2777 0.9340
2.500 0.4541 0.00795 0.00277 -0.0125 0.2744 0.9462
2.750 0.4784 0.00810 0.00288 -0.0115 0.2704 0.9556
3.000 0.5083 0.00822 0.00298 -0.0118 0.2676 0.9600
3.250 0.5375 0.00830 0.00306 -0.0119 0.2651 0.9653
3.500 0.5668 0.00841 0.00314 -0.0121 0.2621 0.9698
3.750 0.6012 0.00855 0.00325 -0.0134 0.2589 0.9722
4.000 0.6367 0.00875 0.00340 -0.0150 0.2552 0.9748
4.250 0.6735 0.00895 0.00357 -0.0168 0.2520 0.9776
4.500 0.7063 0.00907 0.00369 -0.0178 0.2500 0.9817
4.750 0.7453 0.00920 0.00380 -0.0201 0.2473 0.9827
5.000 0.7816 0.00934 0.00391 -0.0220 0.2442 0.9838
5.250 0.8163 0.00950 0.00404 -0.0235 0.2412 0.9851
5.500 0.8494 0.00973 0.00423 -0.0247 0.2374 0.9867
5.750 0.8832 0.00983 0.00434 -0.0260 0.2358 0.9884
6.000 0.9161 0.00994 0.00445 -0.0271 0.2337 0.9904
6.250 0.9472 0.01006 0.00458 -0.0279 0.2313 0.9924
6.500 0.9797 0.01020 0.00470 -0.0290 0.2288 0.9938
6.750 1.0131 0.01037 0.00485 -0.0303 0.2261 0.9951
7.000 1.0453 0.01063 0.00508 -0.0315 0.2223 0.9966
7.250 1.0788 0.01074 0.00520 -0.0328 0.2207 0.9981
7.500 1.1116 0.01085 0.00534 -0.0340 0.2188 0.9993
7.750 1.1402 0.01098 0.00548 -0.0343 0.2167 1.0000
8.000 1.1587 0.01112 0.00562 -0.0326 0.2145 1.0000
8.250 1.1762 0.01128 0.00578 -0.0307 0.2122 1.0000
8.500 1.1921 0.01149 0.00598 -0.0285 0.2097 1.0000
8.750 1.2066 0.01173 0.00623 -0.0261 0.2071 1.0000
9.000 1.2246 0.01183 0.00637 -0.0242 0.2059 1.0000
9.250 1.2427 0.01196 0.00652 -0.0224 0.2042 1.0000
9.500 1.2612 0.01210 0.00669 -0.0207 0.2023 1.0000
9.750 1.2799 0.01226 0.00686 -0.0191 0.2002 1.0000
10.000 1.2985 0.01247 0.00707 -0.0175 0.1978 1.0000
10.250 1.3159 0.01274 0.00733 -0.0157 0.1950 1.0000
10.500 1.3332 0.01302 0.00763 -0.0139 0.1926 1.0000
10.750 1.3537 0.01317 0.00783 -0.0127 0.1911 1.0000
11.000 1.3720 0.01334 0.00803 -0.0110 0.1892 1.0000
11.250 1.3891 0.01354 0.00826 -0.0092 0.1871 1.0000
11.500 1.4055 0.01378 0.00851 -0.0073 0.1847 1.0000
11.750 1.4208 0.01410 0.00884 -0.0053 0.1819 1.0000
12.000 1.4348 0.01450 0.00925 -0.0032 0.1790 1.0000
12.250 1.4546 0.01471 0.00951 -0.0021 0.1775 1.0000
12.500 1.4735 0.01496 0.00981 -0.0009 0.1754 1.0000
12.750 1.4912 0.01527 0.01014 0.0005 0.1726 1.0000
13.000 1.5074 0.01565 0.01054 0.0019 0.1697 1.0000
13.250 1.5207 0.01619 0.01107 0.0037 0.1655 1.0000
13.500 1.5404 0.01645 0.01139 0.0046 0.1628 1.0000
13.750 1.5569 0.01687 0.01182 0.0059 0.1582 1.0000
14.000 1.5689 0.01753 0.01246 0.0076 0.1532 1.0000
14.250 1.5862 0.01795 0.01294 0.0086 0.1502 1.0000
14.500 1.6010 0.01850 0.01352 0.0099 0.1467 1.0000
14.750 1.6125 0.01926 0.01428 0.0114 0.1422 1.0000
15.000 1.6256 0.01996 0.01502 0.0126 0.1387 1.0000
15.250 1.6384 0.02070 0.01579 0.0138 0.1346 1.0000
15.500 1.6477 0.02169 0.01679 0.0152 0.1304 1.0000
15.750 1.6575 0.02268 0.01781 0.0163 0.1261 1.0000
16.000 1.6671 0.02374 0.01890 0.0174 0.1220 1.0000
16.250 1.6704 0.02531 0.02047 0.0187 0.1162 1.0000
16.500 1.6791 0.02654 0.02176 0.0195 0.1129 1.0000
16.750 1.6821 0.02829 0.02353 0.0204 0.1082 1.0000
17.000 1.6837 0.03025 0.02554 0.0210 0.1040 1.0000
17.250 1.6845 0.03237 0.02770 0.0215 0.0993 1.0000
17.500 1.6805 0.03508 0.03045 0.0218 0.0956 1.0000
17.750 1.6768 0.03790 0.03333 0.0217 0.0911 1.0000
18.000 1.6685 0.04134 0.03683 0.0214 0.0873 1.0000
18.250 1.6555 0.04548 0.04104 0.0206 0.0838 1.0000
18.500 1.6441 0.04957 0.04522 0.0197 0.0810 1.0000
18.750 1.6238 0.05485 0.05059 0.0183 0.0781 1.0000
19.000 1.5983 0.06096 0.05681 0.0165 0.0761 1.0000
19.250 1.5701 0.06764 0.06362 0.0143 0.0745 1.0000
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