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NPL 9615 AIRFOIL (npl9615-il)

NPL 9615 AIRFOIL - NPL 9615 rotorcraft airfoil


Airfoil npl9615-il
Details Dat file Parser  
(npl9615-il) NPL 9615 AIRFOIL
NPL 9615 rotorcraft airfoil
Max thickness 11.3% at 34.2% chord.
Max camber 1% at 19.8% chord
Source UIUC Airfoil Coordinates Database
Source dat file
The dat file is in Lednicer format
 NPL 9615 AIRFOIL
       60.       46.

 0.0000000 0.0000000
 0.0045947 0.0120484
 0.0060458 0.0135887
 0.0087917 0.0162214
 0.0138628 0.0199625
 0.0175655 0.0223521
 0.0220616 0.0249910
 0.0262620 0.0272238
 0.0310540 0.0295685
 0.0364571 0.0319950
 0.0425612 0.0344818
 0.0495563 0.0370565
 0.0534946 0.0383828
 0.0577731 0.0397445
 0.0623921 0.0411315
 0.0674013 0.0425432
 0.0728709 0.0439787
 0.0789037 0.0456464
 0.0821512 0.0461921
 0.0855956 0.0472551
 0.0892321 0.0477255
 0.0931029 0.0485127
 0.0972338 0.0493163
 0.1016650 0.0501359
 0.1064364 0.0509708
 0.1114681 0.0518321
 0.1169403 0.0527175
 0.1231228 0.0536331
 0.1300259 0.0545988
 0.1376396 0.0555950
 0.1459735 0.0566112
 0.1548176 0.0576405
 0.1645814 0.0586572
 0.1750650 0.0596541
 0.1862682 0.0606211
 0.1981809 0.0615485
 0.2108029 0.0624262
 0.2244440 0.0632398
 0.2378717 0.0638065
 0.2518207 0.0644659
 0.2653884 0.0650307
 0.2842240 0.0654334
 0.3183978 0.0657166
 0.3417948 0.0654970
 0.3650891 0.0650788
 0.4123666 0.0634328
 0.4359513 0.0623106
 0.4829138 0.0595689
 0.5299682 0.0562258
 0.5770157 0.0523828
 0.6240577 0.0481398
 0.6709929 0.0433982
 0.7181240 0.0383539
 0.7650496 0.0329125
 0.8180715 0.0271877
 0.8590900 0.0212268
 0.9061034 0.0148840
 0.9530126 0.0082426
 0.9765658 0.0048206
 1.0000010 0.0001300

 0.0000001 0.0000000
 0.0001682 -.0023425
 0.0007393 -.0044505
 0.0018024 -.0071653
 0.0031720 -.0093842
 0.0054388 -.0118154
 0.0087123 -.0137603
 0.0127733 -.0166160
 0.0181401 -.0190396
 0.0233160 -.0208104
 0.0286979 -.0221341
 0.0350314 -.0233407
 0.0429623 -.0247392
 0.0494989 -.0257185
 0.0586313 -.0270034
 0.0719274 -.0287552
 0.0898772 -.0309706
 0.1001108 -.0321705
 0.1105250 -.0333229
 0.1313354 -.0354973
 0.1521776 -.0375322
 0.1730126 -.0393570
 0.1938801 -.0410121
 0.2147399 -.0424873
 0.2356422 -.0437829
 0.2565371 -.0448884
 0.2774345 -.0458139
 0.2983541 -.0465697
 0.3192567 -.0471053
 0.3402515 -.0474921
 0.3635486 -.0477104
 0.4108533 -.0473566
 0.4344599 -.0468790
 0.4814798 -.0454211
 0.5286079 -.0433647
 0.5757428 -.0408084
 0.6228831 -.0378520
 0.6699303 -.0343944
 0.7171816 -.0306395
 0.7642383 -.0264819
 0.8173968 -.0222077
 0.8585628 -.0173696
 0.9057319 -.0123134
 0.9528050 -.0069560
 0.9764429 -.0041786
 1.0000000 -.0001300
Dat file parser warnings
  • Line 62 - X value too large but included: 1.0000010 0.0001300
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Lednicer format dat file
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Polars for NPL 9615 AIRFOIL (npl9615-il)

PlotAirfoilReynolds #NcritMax Cl/CdDescriptionSource 
   npl9615-il50,000929 at α=5.5°Mach=0 Ncrit=9Xfoil predictionDetails
   npl9615-il50,000530.5 at α=5.75°Mach=0 Ncrit=5Xfoil predictionDetails
   npl9615-il100,000943.3 at α=5°Mach=0 Ncrit=9Xfoil predictionDetails
   npl9615-il100,000542.1 at α=5.25°Mach=0 Ncrit=5Xfoil predictionDetails
   npl9615-il200,000956.7 at α=4.75°Mach=0 Ncrit=9Xfoil predictionDetails
   npl9615-il200,000552.4 at α=5.75°Mach=0 Ncrit=5Xfoil predictionDetails
   npl9615-il500,000970.8 at α=7°Mach=0 Ncrit=9Xfoil predictionDetails
   npl9615-il500,000568.1 at α=6.75°Mach=0 Ncrit=5Xfoil predictionDetails
   npl9615-il1,000,000984.7 at α=7°Mach=0 Ncrit=9Xfoil predictionDetails
   npl9615-il1,000,000577.4 at α=8.25°Mach=0 Ncrit=5Xfoil predictionDetails
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