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NPL 9627 AIRFOIL (npl9627-il)

NPL 9627 AIRFOIL - NPL 9627 rotorcraft airfoil


Airfoil npl9627-il
Details Dat file Parser  
(npl9627-il) NPL 9627 AIRFOIL
NPL 9627 rotorcraft airfoil
Max thickness 12.2% at 31% chord.
Max camber 0.9% at 40.4% chord
Source UIUC Airfoil Coordinates Database
Source dat file
The dat file is in Lednicer format
 NPL 9627 AIRFOIL
       42.       42.

 0.0000000 0.0000000
 0.0002476 0.0029864
 0.0005754 0.0047214
 0.0011059 0.0066331
 0.0017332 0.0083333
 0.0025718 0.0101301
 0.0036927 0.0120524
 0.0052333 0.0145981
 0.0067636 0.0164939
 0.0082926 0.0182996
 0.0099297 0.0199937
 0.0153953 0.0247168
 0.0219940 0.0290118
 0.0386552 0.0372163
 0.0597401 0.0437697
 0.0850717 0.0501252
 0.1143857 0.0559969
 0.1474242 0.0608989
 0.1838366 0.0647967
 0.2232891 0.0674558
 0.2654048 0.0690622
 0.3097725 0.0695423
 0.3559633 0.0689732
 0.4035249 0.0671920
 0.4520221 0.0645157
 0.5009748 0.0609321
 0.5499189 0.0568085
 0.5983862 0.0522624
 0.6458989 0.0474316
 0.6920185 0.0424031
 0.7362969 0.0373040
 0.7783054 0.0322112
 0.8176356 0.0272213
 0.8539093 0.0224503
 0.8867972 0.0179535
 0.9159516 0.0138465
 0.9411231 0.0101933
 0.9620534 0.0070880
 0.9785434 0.0045839
 0.9904341 0.0027534
 0.9976162 0.0016383
 1.0000000 0.0012598

 0.0000000 0.0000000
 0.0001611 -.0024229
 0.0004386 -.0038275
 0.0009137 -.0053853
 0.0014920 -.0067447
 0.0022793 -.0081575
 0.0033475 -.0095248
 0.0048239 -.0109986
 0.0063003 -.0124724
 0.0077807 -.0136962
 0.0093744 -.0147219
 0.0147116 -.0180177
 0.0211957 -.0208918
 0.0376337 -.0266355
 0.0585189 -.0325605
 0.0836598 -.0381334
 0.1128039 -.0428803
 0.1457030 -.0466872
 0.1820076 -.0495283
 0.2213881 -.0513687
 0.2634646 -.0522120
 0.3078271 -.0520618
 0.3540439 -.0510111
 0.4016632 -.0491828
 0.4502347 -.0472097
 0.4992811 -.0449342
 0.5483320 -.0423787
 0.5969200 -.0393857
 0.6445629 -.0360775
 0.6908197 -.0325272
 0.7352386 -.0288475
 0.7773885 -.0251014
 0.8168581 -.0213724
 0.8532659 -.0177645
 0.8862809 -.0143223
 0.9155517 -.0111502
 0.9408271 -.0083043
 0.9618461 -.0058703
 0.9784077 -.0038950
 0.9903509 -.0024459
 0.9975650 -.0015612
 1.0000000 -.0012598
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Lednicer format dat file
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Polars for NPL 9627 AIRFOIL (npl9627-il)

PlotAirfoilReynolds #NcritMax Cl/CdDescriptionSource 
   npl9627-il50,000928.8 at α=5.75°Mach=0 Ncrit=9Xfoil predictionDetails
   npl9627-il50,000529.7 at α=5.75°Mach=0 Ncrit=5Xfoil predictionDetails
   npl9627-il100,000942.3 at α=5.5°Mach=0 Ncrit=9Xfoil predictionDetails
   npl9627-il100,000540.1 at α=5.25°Mach=0 Ncrit=5Xfoil predictionDetails
   npl9627-il200,000954.3 at α=5°Mach=0 Ncrit=9Xfoil predictionDetails
   npl9627-il200,000549 at α=4.75°Mach=0 Ncrit=5Xfoil predictionDetails
   npl9627-il500,000966.2 at α=4.25°Mach=0 Ncrit=9Xfoil predictionDetails
   npl9627-il500,000564.6 at α=9.25°Mach=0 Ncrit=5Xfoil predictionDetails
   npl9627-il1,000,000980.4 at α=9.75°Mach=0 Ncrit=9Xfoil predictionDetails
   npl9627-il1,000,000581.4 at α=9.25°Mach=0 Ncrit=5Xfoil predictionDetails
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