NACA 65(4)-221 (naca654221-il) Xfoil prediction polar at RE=200,000 Ncrit=5
| Details | Polar file |
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Airfoil: NACA 65(4)-221 (naca654221-il) Reynolds number: 200,000 Max Cl/Cd: 52.58 at α=7.25° Description: Mach=0 Ncrit=5 Source: Xfoil prediction Download polar: xf-naca654221-il-200000-n5.txt Download as CSV file: xf-naca654221-il-200000-n5.csv |
XFOIL Version 6.96
Calculated polar for: NACA 65(4)-221
1 1 Reynolds number fixed Mach number fixed
xtrf = 1.000 (top) 1.000 (bottom)
Mach = 0.000 Re = 0.200 e 6 Ncrit = 5.000
alpha CL CD CDp CM Top_Xtr Bot_Xtr
------ -------- --------- --------- -------- -------- --------
-19.500 -0.8042 0.11512 0.11016 -0.0541 1.0000 0.0271
-19.250 -0.8304 0.10671 0.10150 -0.0588 1.0000 0.0272
-19.000 -0.8505 0.09979 0.09436 -0.0625 1.0000 0.0273
-18.750 -0.8662 0.09390 0.08825 -0.0654 1.0000 0.0274
-18.500 -0.8799 0.08853 0.08267 -0.0678 1.0000 0.0276
-18.250 -0.8910 0.08375 0.07768 -0.0697 1.0000 0.0277
-18.000 -0.8996 0.07949 0.07320 -0.0713 1.0000 0.0279
-17.750 -0.9075 0.07547 0.06897 -0.0726 1.0000 0.0280
-17.500 -0.9070 0.07251 0.06588 -0.0733 1.0000 0.0282
-17.250 -0.8997 0.07034 0.06367 -0.0737 1.0000 0.0285
-17.000 -0.8934 0.06812 0.06140 -0.0741 1.0000 0.0287
-16.750 -0.8872 0.06593 0.05912 -0.0745 1.0000 0.0289
-16.500 -0.8800 0.06387 0.05700 -0.0748 1.0000 0.0291
-16.250 -0.8721 0.06192 0.05497 -0.0750 1.0000 0.0294
-16.000 -0.8637 0.06005 0.05302 -0.0751 1.0000 0.0296
-15.750 -0.8544 0.05830 0.05120 -0.0752 1.0000 0.0299
-15.500 -0.8447 0.05661 0.04944 -0.0752 1.0000 0.0303
-15.250 -0.8335 0.05507 0.04784 -0.0752 1.0000 0.0306
-15.000 -0.8227 0.05355 0.04624 -0.0752 1.0000 0.0311
-14.750 -0.8117 0.05207 0.04468 -0.0751 1.0000 0.0316
-14.500 -0.7988 0.05079 0.04334 -0.0749 1.0000 0.0319
-14.250 -0.7746 0.04923 0.04163 -0.0775 0.9537 0.0325
-14.000 -0.7478 0.04789 0.04024 -0.0799 0.9371 0.0330
-13.750 -0.7249 0.04659 0.03888 -0.0816 0.9214 0.0334
-13.500 -0.7064 0.04533 0.03756 -0.0825 0.9069 0.0339
-13.250 -0.6903 0.04412 0.03628 -0.0828 0.8940 0.0344
-13.000 -0.6766 0.04293 0.03503 -0.0827 0.8820 0.0349
-12.750 -0.6635 0.04175 0.03376 -0.0825 0.8714 0.0355
-12.500 -0.6512 0.04059 0.03251 -0.0821 0.8614 0.0361
-12.250 -0.6394 0.03945 0.03129 -0.0816 0.8520 0.0367
-12.000 -0.6279 0.03835 0.03008 -0.0810 0.8431 0.0375
-11.750 -0.6186 0.03710 0.02877 -0.0803 0.8352 0.0381
-11.500 -0.6096 0.03586 0.02750 -0.0795 0.8273 0.0391
-11.250 -0.5997 0.03473 0.02629 -0.0787 0.8207 0.0401
-11.000 -0.5890 0.03365 0.02516 -0.0780 0.8133 0.0413
-10.750 -0.5785 0.03261 0.02403 -0.0771 0.8066 0.0426
-10.500 -0.5686 0.03158 0.02292 -0.0761 0.8006 0.0438
-10.250 -0.5597 0.03047 0.02179 -0.0750 0.7937 0.0454
-10.000 -0.5496 0.02948 0.02074 -0.0739 0.7876 0.0476
-9.500 -0.5294 0.02755 0.01873 -0.0717 0.7765 0.0534
-9.250 -0.5190 0.02662 0.01778 -0.0705 0.7711 0.0581
-9.000 -0.5104 0.02565 0.01680 -0.0691 0.7663 0.0661
-8.750 -0.5041 0.02455 0.01578 -0.0675 0.7614 0.0818
-8.500 -0.4996 0.02340 0.01474 -0.0656 0.7559 0.1032
-8.250 -0.4978 0.02216 0.01365 -0.0634 0.7508 0.1340
-8.000 -0.4964 0.02098 0.01257 -0.0610 0.7464 0.1650
-7.750 -0.4979 0.01973 0.01150 -0.0582 0.7415 0.1995
-7.500 -0.5010 0.01852 0.01046 -0.0550 0.7366 0.2355
-7.250 -0.5080 0.01731 0.00942 -0.0509 0.7321 0.2755
-7.000 -0.5201 0.01634 0.00860 -0.0455 0.7283 0.3171
-6.750 -0.5289 0.01554 0.00805 -0.0402 0.7242 0.3670
-6.500 -0.5287 0.01491 0.00781 -0.0360 0.7197 0.4343
-6.250 -0.5129 0.01474 0.00781 -0.0342 0.7158 0.4822
-6.000 -0.4925 0.01473 0.00781 -0.0330 0.7124 0.5136
-5.750 -0.4712 0.01476 0.00777 -0.0319 0.7094 0.5375
-5.500 -0.4475 0.01494 0.00793 -0.0312 0.7062 0.5562
-5.250 -0.4246 0.01506 0.00798 -0.0305 0.7027 0.5710
-5.000 -0.3961 0.01537 0.00833 -0.0304 0.6995 0.5811
-4.750 -0.3710 0.01553 0.00841 -0.0300 0.6965 0.5917
-4.500 -0.3422 0.01576 0.00861 -0.0300 0.6938 0.5987
-4.250 -0.3170 0.01569 0.00839 -0.0298 0.6912 0.6044
-4.000 -0.2909 0.01561 0.00823 -0.0298 0.6883 0.6082
-3.750 -0.2627 0.01564 0.00825 -0.0301 0.6850 0.6107
-3.500 -0.2350 0.01563 0.00821 -0.0302 0.6820 0.6133
-3.250 -0.2077 0.01558 0.00809 -0.0304 0.6793 0.6160
-3.000 -0.1808 0.01549 0.00793 -0.0306 0.6768 0.6190
-2.750 -0.1541 0.01538 0.00772 -0.0308 0.6746 0.6221
-2.500 -0.1274 0.01525 0.00745 -0.0310 0.6725 0.6250
-2.250 -0.0995 0.01524 0.00745 -0.0312 0.6699 0.6268
-2.000 -0.0721 0.01525 0.00747 -0.0314 0.6668 0.6288
-1.750 -0.0446 0.01524 0.00745 -0.0316 0.6639 0.6309
-1.500 -0.0170 0.01522 0.00740 -0.0319 0.6613 0.6330
-1.250 0.0107 0.01518 0.00733 -0.0321 0.6591 0.6354
-1.000 0.0385 0.01514 0.00724 -0.0324 0.6570 0.6380
-0.750 0.0665 0.01510 0.00712 -0.0328 0.6552 0.6410
-0.500 0.0942 0.01508 0.00704 -0.0332 0.6532 0.6437
-0.250 0.1208 0.01512 0.00714 -0.0333 0.6504 0.6454
0.000 0.1478 0.01516 0.00721 -0.0334 0.6475 0.6472
0.250 0.1751 0.01519 0.00726 -0.0336 0.6449 0.6492
0.500 0.2027 0.01522 0.00730 -0.0338 0.6427 0.6515
0.750 0.2306 0.01525 0.00732 -0.0341 0.6407 0.6542
1.000 0.2588 0.01526 0.00732 -0.0345 0.6388 0.6571
1.250 0.2875 0.01527 0.00728 -0.0350 0.6370 0.6599
1.500 0.3148 0.01532 0.00734 -0.0353 0.6348 0.6623
1.750 0.3401 0.01542 0.00754 -0.0351 0.6319 0.6642
2.000 0.3662 0.01553 0.00771 -0.0351 0.6293 0.6663
2.250 0.3929 0.01563 0.00786 -0.0353 0.6270 0.6686
2.500 0.4201 0.01570 0.00797 -0.0354 0.6247 0.6713
2.750 0.4480 0.01576 0.00804 -0.0358 0.6225 0.6743
3.000 0.4767 0.01580 0.00809 -0.0362 0.6205 0.6775
3.250 0.5059 0.01586 0.00813 -0.0368 0.6189 0.6805
3.500 0.5306 0.01602 0.00841 -0.0366 0.6163 0.6826
3.750 0.5537 0.01621 0.00872 -0.0361 0.6131 0.6849
4.000 0.5784 0.01636 0.00895 -0.0359 0.6101 0.6876
4.250 0.6047 0.01646 0.00912 -0.0359 0.6073 0.6904
4.500 0.6327 0.01651 0.00921 -0.0362 0.6046 0.6937
4.750 0.6628 0.01651 0.00922 -0.0368 0.6020 0.6973
5.000 0.6874 0.01663 0.00943 -0.0366 0.5985 0.7004
5.250 0.7071 0.01684 0.00978 -0.0355 0.5938 0.7032
5.500 0.7321 0.01686 0.00989 -0.0352 0.5891 0.7061
5.750 0.7638 0.01664 0.00967 -0.0358 0.5841 0.7093
6.000 0.7800 0.01674 0.00990 -0.0340 0.5759 0.7130
6.250 0.8064 0.01656 0.00972 -0.0338 0.5682 0.7168
6.500 0.8237 0.01660 0.00988 -0.0322 0.5592 0.7201
6.750 0.8462 0.01640 0.00971 -0.0311 0.5481 0.7235
7.000 0.8585 0.01642 0.00980 -0.0285 0.5337 0.7276
7.250 0.8670 0.01649 0.00992 -0.0253 0.5177 0.7322
7.500 0.8727 0.01663 0.01005 -0.0217 0.4996 0.7370
7.750 0.8762 0.01702 0.01047 -0.0180 0.4763 0.7408
8.000 0.8797 0.01752 0.01089 -0.0144 0.4434 0.7451
8.250 0.8751 0.01842 0.01156 -0.0101 0.4006 0.7502
8.500 0.8661 0.01975 0.01266 -0.0058 0.3603 0.7558
8.750 0.8541 0.02138 0.01412 -0.0014 0.3223 0.7607
9.000 0.8450 0.02309 0.01569 0.0022 0.2883 0.7662
9.250 0.8376 0.02490 0.01734 0.0053 0.2559 0.7724
9.500 0.8319 0.02673 0.01904 0.0080 0.2250 0.7780
9.750 0.8273 0.02855 0.02076 0.0104 0.1960 0.7834
10.000 0.8251 0.03036 0.02245 0.0125 0.1690 0.7895
10.250 0.8250 0.03214 0.02411 0.0142 0.1425 0.7957
10.500 0.8257 0.03385 0.02574 0.0159 0.1183 0.8015
10.750 0.8262 0.03567 0.02745 0.0173 0.0940 0.8083
11.000 0.8282 0.03748 0.02915 0.0186 0.0740 0.8154
11.250 0.8324 0.03911 0.03074 0.0198 0.0609 0.8226
11.500 0.8388 0.04070 0.03232 0.0207 0.0529 0.8306
11.750 0.8461 0.04218 0.03385 0.0216 0.0479 0.8384
12.000 0.8536 0.04375 0.03545 0.0223 0.0443 0.8471
12.250 0.8616 0.04530 0.03707 0.0230 0.0417 0.8558
12.750 0.8770 0.04852 0.04044 0.0242 0.0382 0.8769
13.000 0.8847 0.05016 0.04218 0.0247 0.0367 0.8903
13.250 0.8918 0.05192 0.04402 0.0251 0.0354 0.9070
13.500 0.8998 0.05388 0.04606 0.0249 0.0344 0.9292
13.750 0.9133 0.05569 0.04801 0.0236 0.0333 0.9730
14.250 0.9288 0.05959 0.05200 0.0234 0.0316 1.0000
14.500 0.9367 0.06165 0.05409 0.0231 0.0310 1.0000
14.750 0.9430 0.06389 0.05634 0.0228 0.0303 1.0000
15.000 0.9500 0.06606 0.05852 0.0226 0.0299 1.0000
15.250 0.9591 0.06804 0.06058 0.0223 0.0293 1.0000
15.500 0.9679 0.07006 0.06266 0.0220 0.0288 1.0000
15.750 0.9768 0.07206 0.06473 0.0217 0.0283 1.0000
16.000 0.9854 0.07414 0.06686 0.0213 0.0276 1.0000
16.250 0.9940 0.07623 0.06899 0.0209 0.0272 1.0000
16.500 1.0025 0.07835 0.07116 0.0205 0.0268 1.0000
16.750 1.0106 0.08050 0.07333 0.0200 0.0263 1.0000
17.000 1.0200 0.08247 0.07532 0.0196 0.0260 1.0000
17.250 1.0283 0.08457 0.07744 0.0191 0.0255 1.0000
17.500 1.0362 0.08687 0.07984 0.0185 0.0251 1.0000
17.750 1.0446 0.08908 0.08216 0.0179 0.0249 1.0000
18.000 1.0517 0.09149 0.08467 0.0173 0.0246 1.0000
18.250 1.0581 0.09402 0.08730 0.0165 0.0242 1.0000
18.500 1.0641 0.09659 0.08998 0.0157 0.0239 1.0000
18.750 1.0694 0.09931 0.09280 0.0147 0.0237 1.0000
19.000 1.0739 0.10214 0.09574 0.0137 0.0235 1.0000
19.250 1.0774 0.10516 0.09886 0.0125 0.0232 1.0000
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