ARA-D 20% AIRFOIL (arad20-il) Xfoil prediction polar at RE=500,000 Ncrit=9
| Details | Polar file |
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Airfoil: ARA-D 20% AIRFOIL (arad20-il) Reynolds number: 500,000 Max Cl/Cd: 79.9 at α=8.5° Description: Mach=0 Ncrit=9 Source: Xfoil prediction Download polar: xf-arad20-il-500000.txt Download as CSV file: xf-arad20-il-500000.csv |
XFOIL Version 6.96
Calculated polar for: ARA-D 20% 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
------ -------- --------- --------- -------- -------- --------
-18.750 -1.0237 0.11684 0.11297 -0.0051 1.0000 0.0233
-18.500 -1.0463 0.10846 0.10441 -0.0102 1.0000 0.0234
-18.250 -1.0653 0.10098 0.09677 -0.0146 1.0000 0.0235
-18.000 -1.0810 0.09422 0.08986 -0.0185 1.0000 0.0235
-17.750 -1.0951 0.08792 0.08342 -0.0221 1.0000 0.0236
-17.500 -1.1075 0.08205 0.07740 -0.0253 1.0000 0.0237
-17.250 -1.1183 0.07654 0.07175 -0.0282 1.0000 0.0238
-17.000 -1.1276 0.07146 0.06654 -0.0308 1.0000 0.0240
-16.750 -1.1358 0.06670 0.06164 -0.0331 1.0000 0.0241
-16.500 -1.1418 0.06231 0.05710 -0.0352 1.0000 0.0242
-16.250 -1.1472 0.05828 0.05298 -0.0366 1.0000 0.0243
-16.000 -1.1512 0.05456 0.04920 -0.0378 1.0000 0.0245
-15.750 -1.1526 0.05113 0.04571 -0.0388 1.0000 0.0248
-15.500 -1.1522 0.04800 0.04252 -0.0398 1.0000 0.0250
-15.250 -1.1503 0.04511 0.03956 -0.0405 1.0000 0.0252
-15.000 -1.1471 0.04244 0.03683 -0.0410 1.0000 0.0254
-14.750 -1.1430 0.03999 0.03431 -0.0412 1.0000 0.0257
-14.500 -1.1381 0.03774 0.03198 -0.0412 1.0000 0.0260
-14.250 -1.1324 0.03569 0.02984 -0.0409 1.0000 0.0263
-14.000 -1.1264 0.03381 0.02788 -0.0402 1.0000 0.0267
-13.750 -1.1200 0.03212 0.02609 -0.0391 1.0000 0.0271
-13.500 -1.1135 0.03065 0.02451 -0.0376 1.0000 0.0274
-13.250 -1.1112 0.02918 0.02296 -0.0351 1.0000 0.0278
-13.000 -1.1044 0.02785 0.02163 -0.0329 1.0000 0.0282
-12.750 -1.0901 0.02686 0.02062 -0.0315 1.0000 0.0287
-12.500 -1.0727 0.02602 0.01976 -0.0304 1.0000 0.0293
-12.250 -1.0534 0.02524 0.01894 -0.0294 1.0000 0.0300
-12.000 -1.0323 0.02453 0.01816 -0.0286 1.0000 0.0309
-11.750 -1.0125 0.02363 0.01723 -0.0277 1.0000 0.0317
-11.500 -0.9906 0.02288 0.01650 -0.0271 1.0000 0.0325
-11.250 -0.9667 0.02227 0.01588 -0.0266 1.0000 0.0336
-11.000 -0.9419 0.02169 0.01526 -0.0262 1.0000 0.0347
-10.750 -0.9185 0.02090 0.01448 -0.0257 1.0000 0.0358
-10.500 -0.8931 0.02032 0.01392 -0.0254 1.0000 0.0371
-10.250 -0.8630 0.02003 0.01345 -0.0256 0.8838 0.0386
-10.000 -0.8448 0.01983 0.01283 -0.0234 0.7638 0.0399
-9.750 -0.8202 0.01963 0.01231 -0.0228 0.6824 0.0415
-9.500 -0.7932 0.01941 0.01185 -0.0226 0.6376 0.0433
-9.250 -0.7668 0.01895 0.01129 -0.0224 0.6106 0.0451
-9.000 -0.7387 0.01866 0.01089 -0.0224 0.5917 0.0472
-8.750 -0.7109 0.01826 0.01042 -0.0224 0.5774 0.0495
-8.500 -0.6824 0.01797 0.01006 -0.0225 0.5655 0.0519
-8.250 -0.6538 0.01761 0.00965 -0.0226 0.5560 0.0545
-8.000 -0.6248 0.01731 0.00932 -0.0227 0.5472 0.0573
-7.750 -0.5960 0.01700 0.00894 -0.0228 0.5385 0.0603
-7.500 -0.5664 0.01671 0.00864 -0.0230 0.5323 0.0636
-7.250 -0.5371 0.01638 0.00831 -0.0232 0.5257 0.0673
-7.000 -0.5074 0.01615 0.00802 -0.0234 0.5191 0.0717
-6.750 -0.4776 0.01591 0.00777 -0.0237 0.5129 0.0768
-6.500 -0.4477 0.01560 0.00750 -0.0240 0.5080 0.0828
-6.250 -0.4176 0.01532 0.00724 -0.0243 0.5027 0.0900
-6.000 -0.3875 0.01507 0.00699 -0.0246 0.4972 0.0987
-5.750 -0.3574 0.01488 0.00679 -0.0249 0.4914 0.1090
-5.500 -0.3268 0.01460 0.00658 -0.0253 0.4875 0.1211
-5.250 -0.2964 0.01432 0.00636 -0.0257 0.4828 0.1357
-5.000 -0.2659 0.01407 0.00617 -0.0262 0.4779 0.1530
-4.750 -0.2354 0.01388 0.00601 -0.0266 0.4730 0.1728
-4.500 -0.2048 0.01366 0.00588 -0.0271 0.4685 0.1963
-4.250 -0.1739 0.01340 0.00573 -0.0275 0.4645 0.2224
-4.000 -0.1431 0.01314 0.00559 -0.0281 0.4600 0.2522
-3.750 -0.1122 0.01292 0.00547 -0.0286 0.4556 0.2838
-3.500 -0.0815 0.01277 0.00538 -0.0291 0.4509 0.3170
-3.250 -0.0505 0.01260 0.00533 -0.0296 0.4466 0.3520
-3.000 -0.0194 0.01239 0.00525 -0.0301 0.4426 0.3866
-2.750 0.0117 0.01223 0.00519 -0.0306 0.4383 0.4216
-2.500 0.0427 0.01208 0.00514 -0.0311 0.4338 0.4585
-2.250 0.0736 0.01202 0.00514 -0.0316 0.4288 0.4932
-2.000 0.1047 0.01193 0.00514 -0.0321 0.4251 0.5246
-1.750 0.1360 0.01184 0.00513 -0.0326 0.4209 0.5534
-1.500 0.1671 0.01176 0.00512 -0.0330 0.4163 0.5805
-1.250 0.1980 0.01173 0.00512 -0.0334 0.4118 0.6061
-1.000 0.2287 0.01178 0.00519 -0.0338 0.4070 0.6303
-0.750 0.2598 0.01172 0.00521 -0.0342 0.4032 0.6541
-0.500 0.2908 0.01168 0.00523 -0.0346 0.3986 0.6769
-0.250 0.3215 0.01169 0.00525 -0.0349 0.3940 0.6975
0.000 0.3521 0.01178 0.00531 -0.0352 0.3892 0.7172
0.250 0.3828 0.01179 0.00538 -0.0356 0.3852 0.7365
0.500 0.4133 0.01178 0.00543 -0.0358 0.3805 0.7544
0.750 0.4436 0.01180 0.00547 -0.0361 0.3757 0.7712
1.000 0.4738 0.01191 0.00553 -0.0364 0.3708 0.7878
1.250 0.5040 0.01196 0.00562 -0.0366 0.3667 0.8042
1.500 0.5338 0.01197 0.00569 -0.0367 0.3620 0.8192
1.750 0.5636 0.01203 0.00574 -0.0369 0.3570 0.8343
2.000 0.5928 0.01217 0.00584 -0.0370 0.3520 0.8494
2.250 0.6217 0.01220 0.00593 -0.0370 0.3480 0.8635
2.500 0.6506 0.01225 0.00600 -0.0369 0.3432 0.8779
2.750 0.6792 0.01234 0.00607 -0.0369 0.3384 0.8928
3.000 0.7057 0.01247 0.00617 -0.0364 0.3334 0.9071
3.250 0.7325 0.01248 0.00624 -0.0359 0.3295 0.9220
3.500 0.7582 0.01250 0.00627 -0.0351 0.3251 0.9383
3.750 0.7833 0.01253 0.00627 -0.0343 0.3205 0.9570
4.000 0.8121 0.01260 0.00630 -0.0344 0.3158 0.9784
4.250 0.8469 0.01257 0.00629 -0.0359 0.3114 1.0000
4.500 0.8789 0.01275 0.00643 -0.0370 0.3069 1.0000
4.750 0.9102 0.01301 0.00660 -0.0379 0.3022 1.0000
5.000 0.9414 0.01323 0.00680 -0.0388 0.2979 1.0000
5.250 0.9727 0.01339 0.00697 -0.0396 0.2937 1.0000
5.500 1.0033 0.01362 0.00715 -0.0403 0.2894 1.0000
5.750 1.0331 0.01392 0.00738 -0.0410 0.2850 1.0000
6.000 1.0634 0.01414 0.00760 -0.0416 0.2813 1.0000
6.250 1.0936 0.01433 0.00781 -0.0423 0.2773 1.0000
6.500 1.1232 0.01458 0.00802 -0.0428 0.2733 1.0000
6.750 1.1519 0.01493 0.00830 -0.0433 0.2693 1.0000
7.000 1.1812 0.01518 0.00857 -0.0438 0.2659 1.0000
7.250 1.2106 0.01540 0.00881 -0.0443 0.2623 1.0000
7.500 1.2393 0.01567 0.00906 -0.0447 0.2585 1.0000
7.750 1.2671 0.01603 0.00937 -0.0451 0.2549 1.0000
8.000 1.2948 0.01639 0.00972 -0.0454 0.2515 1.0000
8.250 1.3233 0.01662 0.01000 -0.0458 0.2484 1.0000
8.500 1.3511 0.01691 0.01030 -0.0461 0.2450 1.0000
8.750 1.3780 0.01727 0.01063 -0.0463 0.2417 1.0000
9.000 1.4032 0.01778 0.01109 -0.0463 0.2380 1.0000
9.250 1.4305 0.01805 0.01142 -0.0465 0.2355 1.0000
9.500 1.4572 0.01835 0.01176 -0.0467 0.2325 1.0000
9.750 1.4829 0.01872 0.01214 -0.0467 0.2294 1.0000
10.000 1.5071 0.01917 0.01257 -0.0466 0.2264 1.0000
10.250 1.5296 0.01975 0.01312 -0.0462 0.2232 1.0000
10.500 1.5546 0.02008 0.01353 -0.0461 0.2208 1.0000
10.750 1.5784 0.02047 0.01397 -0.0459 0.2181 1.0000
11.000 1.6007 0.02094 0.01445 -0.0455 0.2154 1.0000
11.250 1.6206 0.02152 0.01502 -0.0447 0.2126 1.0000
11.500 1.6372 0.02228 0.01576 -0.0436 0.2096 1.0000
11.750 1.6574 0.02276 0.01633 -0.0429 0.2076 1.0000
12.000 1.6753 0.02333 0.01697 -0.0419 0.2052 1.0000
12.250 1.6883 0.02403 0.01771 -0.0402 0.2029 1.0000
12.500 1.6956 0.02498 0.01870 -0.0377 0.2006 1.0000
12.750 1.7014 0.02621 0.01993 -0.0356 0.1983 1.0000
13.000 1.7078 0.02759 0.02135 -0.0339 0.1960 1.0000
13.250 1.7186 0.02881 0.02268 -0.0330 0.1942 1.0000
13.500 1.7280 0.03026 0.02422 -0.0323 0.1921 1.0000
13.750 1.7358 0.03197 0.02600 -0.0319 0.1898 1.0000
14.000 1.7409 0.03403 0.02810 -0.0316 0.1876 1.0000
14.250 1.7431 0.03647 0.03056 -0.0314 0.1854 1.0000
14.500 1.7459 0.03892 0.03307 -0.0313 0.1833 1.0000
14.750 1.7502 0.04145 0.03573 -0.0318 0.1815 1.0000
15.000 1.7524 0.04422 0.03860 -0.0323 0.1794 1.0000
15.250 1.7525 0.04721 0.04167 -0.0328 0.1772 1.0000
15.500 1.7502 0.05043 0.04493 -0.0333 0.1751 1.0000
15.750 1.7466 0.05363 0.04813 -0.0335 0.1730 1.0000
16.000 1.7438 0.05673 0.05130 -0.0338 0.1710 1.0000
16.250 1.7385 0.06036 0.05506 -0.0345 0.1692 1.0000
16.500 1.7329 0.06402 0.05881 -0.0352 0.1672 1.0000
16.750 1.7279 0.06762 0.06248 -0.0359 0.1651 1.0000
17.000 1.7229 0.07122 0.06611 -0.0367 0.1631 1.0000
17.250 1.7235 0.07397 0.06883 -0.0370 0.1608 1.0000
17.500 1.7176 0.07783 0.07280 -0.0379 0.1590 1.0000
17.750 1.7105 0.08195 0.07704 -0.0390 0.1571 1.0000
18.000 1.7041 0.08598 0.08116 -0.0402 0.1551 1.0000
18.250 1.6994 0.08980 0.08502 -0.0413 0.1531 1.0000
18.500 1.6985 0.09300 0.08822 -0.0422 0.1510 1.0000
18.750 1.7025 0.09538 0.09059 -0.0426 0.1489 1.0000
19.000 1.6897 0.10051 0.09587 -0.0444 0.1471 1.0000
19.250 1.6829 0.10474 0.10020 -0.0459 0.1451 1.0000
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