NACA 65(4)-421 (naca654421-il) Xfoil prediction polar at RE=500,000 Ncrit=5
| Details | Polar file |
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Airfoil: NACA 65(4)-421 (naca654421-il) Reynolds number: 500,000 Max Cl/Cd: 91.05 at α=6.25° Description: Mach=0 Ncrit=5 Source: Xfoil prediction Download polar: xf-naca654421-il-500000-n5.txt Download as CSV file: xf-naca654421-il-500000-n5.csv |
XFOIL Version 6.96
Calculated polar for: NACA 65(4)-421
1 1 Reynolds number fixed Mach number fixed
xtrf = 1.000 (top) 1.000 (bottom)
Mach = 0.000 Re = 0.500 e 6 Ncrit = 5.000
alpha CL CD CDp CM Top_Xtr Bot_Xtr
------ -------- --------- --------- -------- -------- --------
-19.750 -0.8928 0.08986 0.08551 -0.0788 1.0000 0.0209
-19.500 -0.8965 0.08599 0.08155 -0.0805 1.0000 0.0211
-19.250 -0.8989 0.08236 0.07783 -0.0822 1.0000 0.0212
-19.000 -0.9010 0.07889 0.07426 -0.0836 1.0000 0.0213
-18.750 -0.9023 0.07562 0.07090 -0.0848 1.0000 0.0215
-18.500 -0.9022 0.07260 0.06779 -0.0858 1.0000 0.0216
-18.250 -0.9016 0.06967 0.06476 -0.0867 1.0000 0.0218
-18.000 -0.8999 0.06697 0.06197 -0.0875 1.0000 0.0220
-17.750 -0.8974 0.06442 0.05933 -0.0881 1.0000 0.0222
-17.500 -0.8941 0.06205 0.05688 -0.0886 1.0000 0.0223
-17.250 -0.8898 0.05981 0.05455 -0.0890 1.0000 0.0225
-17.000 -0.8858 0.05754 0.05218 -0.0895 1.0000 0.0228
-16.750 -0.8664 0.05509 0.04963 -0.0924 0.9686 0.0228
-16.500 -0.8413 0.05250 0.04690 -0.0973 0.9550 0.0231
-16.250 -0.8132 0.05025 0.04458 -0.1020 0.9434 0.0234
-16.000 -0.7847 0.04810 0.04235 -0.1067 0.9294 0.0237
-15.750 -0.7619 0.04628 0.04042 -0.1098 0.9122 0.0239
-15.500 -0.7470 0.04473 0.03875 -0.1110 0.8943 0.0242
-15.250 -0.7349 0.04341 0.03731 -0.1111 0.8793 0.0243
-15.000 -0.7242 0.04211 0.03592 -0.1110 0.8669 0.0246
-14.750 -0.7142 0.04083 0.03453 -0.1107 0.8557 0.0248
-14.500 -0.7032 0.03965 0.03327 -0.1103 0.8462 0.0250
-14.250 -0.6923 0.03851 0.03203 -0.1099 0.8369 0.0252
-14.000 -0.6816 0.03734 0.03078 -0.1094 0.8287 0.0254
-13.750 -0.6701 0.03626 0.02962 -0.1089 0.8200 0.0257
-13.500 -0.6588 0.03519 0.02847 -0.1084 0.8125 0.0258
-13.250 -0.6476 0.03412 0.02732 -0.1078 0.8043 0.0261
-13.000 -0.6359 0.03313 0.02624 -0.1072 0.7972 0.0263
-12.750 -0.6227 0.03221 0.02525 -0.1067 0.7907 0.0266
-12.500 -0.6111 0.03121 0.02418 -0.1060 0.7841 0.0268
-12.000 -0.5899 0.02917 0.02204 -0.1044 0.7721 0.0274
-11.750 -0.5788 0.02821 0.02104 -0.1036 0.7658 0.0276
-11.500 -0.5674 0.02733 0.02010 -0.1027 0.7597 0.0279
-11.250 -0.5562 0.02641 0.01914 -0.1018 0.7543 0.0283
-11.000 -0.5437 0.02559 0.01827 -0.1009 0.7484 0.0286
-10.750 -0.5310 0.02482 0.01744 -0.1000 0.7429 0.0290
-10.500 -0.5184 0.02404 0.01660 -0.0990 0.7382 0.0293
-10.250 -0.5051 0.02329 0.01582 -0.0981 0.7334 0.0296
-10.000 -0.4920 0.02255 0.01504 -0.0971 0.7284 0.0301
-9.750 -0.4783 0.02189 0.01431 -0.0961 0.7238 0.0307
-9.500 -0.4643 0.02123 0.01360 -0.0951 0.7194 0.0311
-9.250 -0.4513 0.02052 0.01286 -0.0940 0.7149 0.0316
-9.000 -0.4385 0.01983 0.01214 -0.0928 0.7100 0.0324
-8.750 -0.4251 0.01920 0.01148 -0.0916 0.7056 0.0330
-8.500 -0.4107 0.01863 0.01086 -0.0905 0.7019 0.0340
-8.250 -0.3957 0.01807 0.01028 -0.0894 0.6981 0.0351
-8.000 -0.3805 0.01754 0.00972 -0.0883 0.6942 0.0362
-7.750 -0.3668 0.01698 0.00914 -0.0869 0.6904 0.0377
-7.500 -0.3527 0.01646 0.00859 -0.0856 0.6868 0.0397
-7.250 -0.3384 0.01596 0.00807 -0.0842 0.6834 0.0424
-7.000 -0.3253 0.01543 0.00755 -0.0826 0.6798 0.0466
-6.500 -0.3084 0.01431 0.00651 -0.0778 0.6724 0.0687
-6.250 -0.3034 0.01385 0.00609 -0.0746 0.6692 0.0865
-6.000 -0.2926 0.01333 0.00567 -0.0725 0.6663 0.1147
-5.750 -0.2794 0.01277 0.00527 -0.0707 0.6636 0.1500
-5.500 -0.2640 0.01222 0.00489 -0.0693 0.6607 0.1896
-5.250 -0.2484 0.01160 0.00448 -0.0680 0.6578 0.2415
-5.000 -0.2325 0.01087 0.00402 -0.0668 0.6549 0.3074
-4.750 -0.2182 0.00990 0.00347 -0.0655 0.6521 0.4092
-4.500 -0.1961 0.00946 0.00329 -0.0650 0.6494 0.4860
-4.250 -0.1690 0.00935 0.00327 -0.0652 0.6469 0.5168
-4.000 -0.1408 0.00932 0.00326 -0.0655 0.6444 0.5362
-3.750 -0.1123 0.00933 0.00328 -0.0658 0.6420 0.5504
-3.500 -0.0838 0.00937 0.00333 -0.0661 0.6395 0.5646
-3.250 -0.0550 0.00944 0.00336 -0.0665 0.6372 0.5763
-3.000 -0.0262 0.00947 0.00338 -0.0668 0.6349 0.5818
-2.750 0.0028 0.00948 0.00333 -0.0672 0.6328 0.5844
-2.500 0.0319 0.00949 0.00328 -0.0677 0.6306 0.5869
-2.250 0.0611 0.00948 0.00324 -0.0682 0.6284 0.5890
-2.000 0.0903 0.00947 0.00320 -0.0687 0.6260 0.5909
-1.750 0.1193 0.00946 0.00317 -0.0691 0.6237 0.5930
-1.500 0.1482 0.00945 0.00316 -0.0695 0.6215 0.5950
-1.250 0.1772 0.00946 0.00315 -0.0700 0.6195 0.5969
-1.000 0.2061 0.00947 0.00315 -0.0704 0.6175 0.5988
-0.750 0.2352 0.00950 0.00314 -0.0709 0.6155 0.6008
-0.250 0.2933 0.00955 0.00316 -0.0718 0.6117 0.6054
0.000 0.3223 0.00957 0.00318 -0.0723 0.6096 0.6075
0.250 0.3513 0.00959 0.00319 -0.0727 0.6074 0.6093
0.500 0.3801 0.00960 0.00322 -0.0732 0.6053 0.6111
0.750 0.4088 0.00962 0.00325 -0.0736 0.6034 0.6130
1.000 0.4375 0.00965 0.00330 -0.0740 0.6015 0.6149
1.250 0.4663 0.00969 0.00334 -0.0744 0.5996 0.6172
1.500 0.4951 0.00975 0.00339 -0.0748 0.5976 0.6196
1.750 0.5240 0.00981 0.00345 -0.0753 0.5956 0.6219
2.000 0.5525 0.00985 0.00352 -0.0756 0.5938 0.6241
2.250 0.5810 0.00989 0.00359 -0.0760 0.5919 0.6262
2.500 0.6095 0.00995 0.00366 -0.0764 0.5899 0.6281
2.750 0.6378 0.00999 0.00374 -0.0768 0.5878 0.6302
3.000 0.6658 0.01003 0.00383 -0.0771 0.5856 0.6323
3.250 0.6940 0.01009 0.00392 -0.0774 0.5835 0.6346
3.500 0.7223 0.01015 0.00401 -0.0777 0.5816 0.6372
3.750 0.7508 0.01024 0.00411 -0.0781 0.5796 0.6399
4.000 0.7787 0.01032 0.00423 -0.0784 0.5774 0.6426
4.250 0.8057 0.01038 0.00435 -0.0785 0.5745 0.6451
4.500 0.8325 0.01043 0.00445 -0.0786 0.5708 0.6473
4.750 0.8589 0.01048 0.00454 -0.0786 0.5670 0.6498
5.000 0.8853 0.01054 0.00462 -0.0785 0.5627 0.6523
5.250 0.9091 0.01058 0.00474 -0.0780 0.5555 0.6549
5.500 0.9318 0.01064 0.00479 -0.0772 0.5463 0.6578
5.750 0.9545 0.01071 0.00492 -0.0765 0.5376 0.6609
6.000 0.9759 0.01083 0.00502 -0.0755 0.5287 0.6641
6.250 0.9961 0.01094 0.00517 -0.0744 0.5171 0.6671
6.500 1.0098 0.01111 0.00533 -0.0719 0.5000 0.6702
6.750 1.0160 0.01137 0.00555 -0.0681 0.4794 0.6735
7.000 1.0223 0.01180 0.00593 -0.0646 0.4552 0.6769
7.250 1.0182 0.01260 0.00657 -0.0595 0.4206 0.6806
7.500 1.0083 0.01375 0.00753 -0.0540 0.3827 0.6841
7.750 0.9964 0.01517 0.00878 -0.0486 0.3449 0.6876
8.000 0.9871 0.01670 0.01017 -0.0440 0.3098 0.6914
8.250 0.9791 0.01834 0.01167 -0.0400 0.2759 0.6956
8.500 0.9714 0.02011 0.01330 -0.0363 0.2425 0.7001
8.750 0.9663 0.02189 0.01493 -0.0332 0.2121 0.7042
9.000 0.9622 0.02368 0.01660 -0.0303 0.1830 0.7083
9.250 0.9637 0.02523 0.01809 -0.0282 0.1610 0.7127
9.500 0.9659 0.02680 0.01958 -0.0263 0.1402 0.7172
9.750 0.9682 0.02846 0.02115 -0.0245 0.1196 0.7216
10.000 0.9708 0.03014 0.02275 -0.0228 0.0998 0.7258
10.250 0.9739 0.03182 0.02436 -0.0213 0.0813 0.7303
10.500 0.9784 0.03348 0.02597 -0.0200 0.0663 0.7353
10.750 0.9833 0.03516 0.02759 -0.0188 0.0515 0.7406
11.000 0.9893 0.03680 0.02920 -0.0177 0.0410 0.7455
11.250 0.9971 0.03832 0.03072 -0.0168 0.0349 0.7511
11.500 1.0068 0.03975 0.03219 -0.0161 0.0316 0.7570
11.750 1.0175 0.04114 0.03360 -0.0155 0.0294 0.7626
12.000 1.0279 0.04254 0.03506 -0.0149 0.0276 0.7681
12.250 1.0376 0.04403 0.03660 -0.0144 0.0262 0.7742
12.500 1.0489 0.04543 0.03805 -0.0140 0.0251 0.7805
12.750 1.0594 0.04691 0.03961 -0.0135 0.0242 0.7866
13.000 1.0691 0.04846 0.04123 -0.0131 0.0233 0.7939
13.250 1.0786 0.05009 0.04290 -0.0127 0.0226 0.8012
13.500 1.0873 0.05178 0.04467 -0.0123 0.0219 0.8087
13.750 1.0975 0.05337 0.04634 -0.0120 0.0214 0.8170
14.000 1.1072 0.05501 0.04806 -0.0117 0.0208 0.8248
14.250 1.1159 0.05679 0.04991 -0.0115 0.0201 0.8335
14.500 1.1240 0.05864 0.05183 -0.0112 0.0194 0.8420
14.750 1.1311 0.06059 0.05385 -0.0110 0.0191 0.8517
15.000 1.1369 0.06268 0.05602 -0.0107 0.0188 0.8621
15.250 1.1448 0.06451 0.05797 -0.0105 0.0184 0.8749
15.500 1.1509 0.06648 0.06005 -0.0101 0.0182 0.8915
15.750 1.1568 0.06850 0.06219 -0.0098 0.0179 0.9169
16.000 1.1689 0.07084 0.06466 -0.0113 0.0175 0.9590
16.250 1.1734 0.07312 0.06700 -0.0113 0.0172 1.0000
16.500 1.1803 0.07547 0.06940 -0.0117 0.0170 1.0000
16.750 1.1861 0.07798 0.07197 -0.0122 0.0167 1.0000
17.000 1.1914 0.08059 0.07463 -0.0127 0.0165 1.0000
17.250 1.1957 0.08336 0.07745 -0.0133 0.0163 1.0000
17.500 1.1988 0.08630 0.08045 -0.0140 0.0161 1.0000
17.750 1.2008 0.08941 0.08361 -0.0147 0.0158 1.0000
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