Smoothed ATR airfoil coordinates obtained using AFSMO (Harry Morgan's NASA smoothing program) (atr72sm-il) Xfoil prediction polar at RE=500,000 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: 500,000 Max Cl/Cd: 77.7 at α=9° Description: Mach=0 Ncrit=9 Source: Xfoil prediction Download polar: xf-atr72sm-il-500000.txt Download as CSV file: xf-atr72sm-il-500000.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 = 0.500 e 6 Ncrit = 9.000
alpha CL CD CDp CM Top_Xtr Bot_Xtr
------ -------- --------- --------- -------- -------- --------
-13.750 -0.7334 0.06448 0.06148 -0.0578 1.0000 0.0244
-13.500 -0.7931 0.05151 0.04815 -0.0682 1.0000 0.0241
-13.250 -0.8229 0.04553 0.04193 -0.0711 1.0000 0.0240
-13.000 -0.8474 0.04116 0.03733 -0.0713 1.0000 0.0240
-12.750 -0.8628 0.03825 0.03421 -0.0699 1.0000 0.0242
-12.500 -0.8747 0.03589 0.03167 -0.0674 1.0000 0.0243
-12.250 -0.8852 0.03387 0.02946 -0.0639 1.0000 0.0243
-12.000 -0.8929 0.03236 0.02779 -0.0598 1.0000 0.0245
-11.750 -0.8991 0.03120 0.02649 -0.0552 1.0000 0.0248
-11.500 -0.9003 0.02994 0.02507 -0.0514 1.0000 0.0249
-11.250 -0.9021 0.02900 0.02398 -0.0470 1.0000 0.0252
-11.000 -0.9063 0.02826 0.02312 -0.0420 1.0000 0.0253
-10.750 -0.9091 0.02742 0.02215 -0.0373 1.0000 0.0254
-10.500 -0.8995 0.02550 0.02006 -0.0353 0.9987 0.0257
-10.250 -0.8709 0.02395 0.01842 -0.0365 0.9958 0.0262
-10.000 -0.8398 0.02296 0.01738 -0.0379 0.9932 0.0267
-9.750 -0.8111 0.02208 0.01644 -0.0386 0.9897 0.0271
-9.500 -0.7801 0.02117 0.01544 -0.0397 0.9865 0.0277
-9.250 -0.7454 0.02029 0.01447 -0.0415 0.9838 0.0283
-9.000 -0.7081 0.01940 0.01348 -0.0436 0.9806 0.0292
-8.750 -0.6742 0.01865 0.01261 -0.0449 0.9757 0.0298
-8.500 -0.6396 0.01743 0.01137 -0.0467 0.9726 0.0308
-8.250 -0.6019 0.01677 0.01071 -0.0489 0.9699 0.0319
-8.000 -0.5703 0.01629 0.01021 -0.0496 0.9635 0.0332
-7.750 -0.5369 0.01574 0.00958 -0.0506 0.9576 0.0345
-7.500 -0.5099 0.01500 0.00882 -0.0505 0.9500 0.0358
-7.250 -0.4830 0.01456 0.00838 -0.0503 0.9421 0.0373
-7.000 -0.4587 0.01422 0.00800 -0.0493 0.9323 0.0391
-6.750 -0.4342 0.01383 0.00753 -0.0484 0.9229 0.0410
-6.500 -0.4131 0.01340 0.00713 -0.0468 0.9115 0.0433
-6.250 -0.3891 0.01318 0.00686 -0.0458 0.9008 0.0462
-6.000 -0.3662 0.01277 0.00642 -0.0445 0.8903 0.0493
-5.750 -0.3424 0.01255 0.00619 -0.0435 0.8778 0.0526
-5.500 -0.3190 0.01220 0.00580 -0.0423 0.8653 0.0560
-5.250 -0.2949 0.01193 0.00552 -0.0413 0.8519 0.0596
-5.000 -0.2696 0.01177 0.00527 -0.0405 0.8376 0.0627
-4.750 -0.2466 0.01139 0.00489 -0.0393 0.8211 0.0670
-4.500 -0.2216 0.01123 0.00467 -0.0384 0.8015 0.0710
-4.250 -0.1980 0.01097 0.00435 -0.0373 0.7783 0.0754
-4.000 -0.1737 0.01083 0.00412 -0.0363 0.7534 0.0801
-3.750 -0.1496 0.01068 0.00387 -0.0353 0.7276 0.0855
-3.500 -0.1254 0.01058 0.00369 -0.0344 0.7014 0.0922
-3.250 -0.1015 0.01044 0.00349 -0.0334 0.6736 0.1011
-3.000 -0.0778 0.01034 0.00331 -0.0324 0.6432 0.1129
-2.750 -0.0546 0.01025 0.00316 -0.0313 0.6119 0.1302
-2.500 -0.0312 0.01016 0.00303 -0.0303 0.5810 0.1544
-2.000 0.0142 0.00988 0.00279 -0.0282 0.5121 0.2325
-1.750 0.0323 0.00948 0.00264 -0.0265 0.4650 0.3477
-1.500 0.0497 0.00913 0.00258 -0.0246 0.4280 0.4786
-1.250 0.0686 0.00890 0.00259 -0.0228 0.4049 0.5771
-1.000 0.0897 0.00880 0.00264 -0.0213 0.3886 0.6518
-0.750 0.1130 0.00876 0.00267 -0.0202 0.3761 0.7003
-0.500 0.1367 0.00874 0.00272 -0.0190 0.3664 0.7403
-0.250 0.1608 0.00873 0.00279 -0.0179 0.3578 0.7780
0.000 0.1851 0.00876 0.00290 -0.0168 0.3506 0.8193
0.250 0.2102 0.00884 0.00304 -0.0158 0.3438 0.8560
0.500 0.2343 0.00904 0.00321 -0.0145 0.3372 0.8866
0.750 0.2597 0.00918 0.00336 -0.0135 0.3318 0.9083
1.000 0.2850 0.00933 0.00348 -0.0126 0.3264 0.9242
1.250 0.3115 0.00956 0.00363 -0.0119 0.3212 0.9369
1.500 0.3438 0.00977 0.00380 -0.0125 0.3165 0.9462
1.750 0.3781 0.00998 0.00398 -0.0134 0.3120 0.9568
2.000 0.4225 0.01026 0.00417 -0.0166 0.3067 0.9617
2.250 0.4569 0.01052 0.00433 -0.0179 0.3015 0.9667
2.500 0.4948 0.01063 0.00443 -0.0199 0.2978 0.9699
2.750 0.5355 0.01077 0.00453 -0.0225 0.2937 0.9719
3.000 0.5743 0.01096 0.00464 -0.0248 0.2898 0.9746
3.250 0.6105 0.01126 0.00485 -0.0266 0.2853 0.9790
3.500 0.6501 0.01136 0.00496 -0.0290 0.2823 0.9829
3.750 0.6928 0.01147 0.00504 -0.0321 0.2784 0.9856
4.000 0.7314 0.01160 0.00514 -0.0344 0.2749 0.9889
4.250 0.7666 0.01181 0.00528 -0.0360 0.2716 0.9924
4.500 0.8032 0.01204 0.00546 -0.0380 0.2681 0.9948
4.750 0.8405 0.01210 0.00555 -0.0401 0.2655 0.9974
5.000 0.8768 0.01220 0.00565 -0.0420 0.2623 0.9997
5.250 0.8998 0.01231 0.00575 -0.0412 0.2595 1.0000
5.500 0.9196 0.01246 0.00588 -0.0397 0.2571 1.0000
5.750 0.9388 0.01270 0.00608 -0.0382 0.2545 1.0000
6.000 0.9582 0.01295 0.00632 -0.0367 0.2521 1.0000
6.250 0.9781 0.01306 0.00647 -0.0352 0.2502 1.0000
6.500 0.9975 0.01319 0.00663 -0.0337 0.2479 1.0000
6.750 1.0166 0.01334 0.00679 -0.0321 0.2454 1.0000
7.000 1.0353 0.01350 0.00696 -0.0304 0.2432 1.0000
7.250 1.0534 0.01371 0.00716 -0.0286 0.2410 1.0000
7.500 1.0711 0.01401 0.00743 -0.0268 0.2386 1.0000
7.750 1.0891 0.01429 0.00772 -0.0251 0.2363 1.0000
8.000 1.1073 0.01443 0.00791 -0.0233 0.2345 1.0000
8.250 1.1255 0.01459 0.00811 -0.0215 0.2323 1.0000
8.500 1.1439 0.01478 0.00833 -0.0198 0.2301 1.0000
8.750 1.1625 0.01498 0.00854 -0.0182 0.2280 1.0000
9.000 1.1810 0.01520 0.00876 -0.0166 0.2257 1.0000
9.250 1.1998 0.01559 0.00911 -0.0151 0.2229 1.0000
9.500 1.2191 0.01588 0.00944 -0.0137 0.2209 1.0000
9.750 1.2381 0.01607 0.00970 -0.0122 0.2191 1.0000
10.000 1.2570 0.01628 0.00996 -0.0108 0.2168 1.0000
10.250 1.2757 0.01650 0.01022 -0.0093 0.2144 1.0000
10.500 1.2940 0.01676 0.01050 -0.0078 0.2123 1.0000
10.750 1.3106 0.01707 0.01081 -0.0060 0.2099 1.0000
11.000 1.3286 0.01757 0.01129 -0.0046 0.2070 1.0000
11.250 1.3435 0.01778 0.01160 -0.0025 0.2054 1.0000
11.500 1.3593 0.01805 0.01194 -0.0007 0.2033 1.0000
11.750 1.3751 0.01834 0.01229 0.0011 0.2009 1.0000
12.000 1.3908 0.01866 0.01265 0.0028 0.1985 1.0000
12.250 1.4061 0.01906 0.01306 0.0044 0.1962 1.0000
12.500 1.4219 0.01966 0.01363 0.0058 0.1933 1.0000
12.750 1.4366 0.02004 0.01412 0.0074 0.1913 1.0000
13.000 1.4514 0.02046 0.01464 0.0089 0.1891 1.0000
13.250 1.4659 0.02092 0.01518 0.0103 0.1866 1.0000
13.500 1.4796 0.02143 0.01573 0.0118 0.1840 1.0000
13.750 1.4917 0.02207 0.01637 0.0133 0.1812 1.0000
14.000 1.5041 0.02281 0.01714 0.0147 0.1785 1.0000
14.250 1.5168 0.02342 0.01788 0.0160 0.1759 1.0000
14.500 1.5288 0.02409 0.01863 0.0172 0.1725 1.0000
14.750 1.5385 0.02493 0.01949 0.0185 0.1689 1.0000
15.000 1.5461 0.02601 0.02058 0.0198 0.1651 1.0000
15.250 1.5580 0.02685 0.02154 0.0206 0.1610 1.0000
15.500 1.5666 0.02797 0.02272 0.0216 0.1573 1.0000
15.750 1.5714 0.02944 0.02420 0.0226 0.1541 1.0000
16.000 1.5790 0.03079 0.02565 0.0233 0.1508 1.0000
16.250 1.5868 0.03220 0.02716 0.0238 0.1475 1.0000
16.500 1.5895 0.03407 0.02907 0.0243 0.1435 1.0000
16.750 1.5874 0.03645 0.03148 0.0247 0.1403 1.0000
17.000 1.5932 0.03827 0.03342 0.0247 0.1367 1.0000
17.250 1.5934 0.04069 0.03594 0.0247 0.1334 1.0000
17.500 1.5855 0.04406 0.03933 0.0243 0.1293 1.0000
17.750 1.5819 0.04710 0.04247 0.0238 0.1264 1.0000
18.000 1.5765 0.05045 0.04594 0.0231 0.1228 1.0000
18.250 1.5643 0.05470 0.05026 0.0219 0.1197 1.0000
18.500 1.5445 0.06002 0.05563 0.0203 0.1166 1.0000
18.750 1.5333 0.06449 0.06024 0.0188 0.1136 1.0000
19.000 1.5142 0.07011 0.06596 0.0167 0.1102 1.0000
19.250 1.4903 0.07644 0.07237 0.0143 0.1075 1.0000
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