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LOCKHEED C-141 BL426.57 AIRFOIL (c141c-il)

LOCKHEED C-141 BL426.57 AIRFOIL - Lockheed-Georgia C-141 transonic wing airfoils


Airfoil c141c-il
Details Dat file Parser  
(c141c-il) LOCKHEED C-141 BL426.57 AIRFOIL
Lockheed-Georgia C-141 transonic wing airfoils
Max thickness 11% at 40.2% chord.
Max camber 1.3% at 50% chord
Source UIUC Airfoil Coordinates Database
Source dat file
The dat file is in Lednicer format
 LOCKHEED C-141 BL426.57 AIRFOIL
      33.0      33.0

 0.0000000 0.0000000
 0.0024080 0.0084810
 0.0096070 0.0159680
 0.0215300 0.0230560
 0.0380600 0.0297340
 0.0590400 0.0359600
 0.0842660 0.0416910
 0.1134950 0.0469250
 0.1464470 0.0516510
 0.1828040 0.0558650
 0.2222160 0.0595500
 0.2643030 0.0626430
 0.3086600 0.0650060
 0.3548590 0.0666620
 0.4024560 0.0675460
 0.4509930 0.0675070
 0.5000000 0.0665240
 0.5490110 0.0646000
 0.5975470 0.0617980
 0.6451440 0.0581690
 0.6913440 0.0537880
 0.7357000 0.0487900
 0.7777870 0.0432470
 0.8171990 0.0372200
 0.8535550 0.0309600
 0.8865070 0.0248720
 0.9157360 0.0192250
 0.9409620 0.0138660
 0.9619410 0.0092650
 0.9784710 0.0056400
 0.9903930 0.0030250
 0.9975930 0.0014520
 1.0000000 0.0009270

 0.0000000 0.0000000
 0.0024080 -.0070090
 0.0096070 -.0135980
 0.0215300 -.0192530
 0.0380600 -.0240350
 0.0590400 -.0280820
 0.0842660 -.0314960
 0.1134950 -.0343670
 0.1464470 -.0367730
 0.1828040 -.0387430
 0.2222160 -.0403120
 0.2643030 -.0414920
 0.3086600 -.0422490
 0.3548590 -.0425510
 0.4024560 -.0423350
 0.4509930 -.0415300
 0.5000000 -.0401980
 0.5490110 -.0383450
 0.5975470 -.0358620
 0.6451440 -.0329810
 0.6913440 -.0297910
 0.7357000 -.0263390
 0.7777870 -.0228700
 0.8171990 -.0195020
 0.8535550 -.0163080
 0.8865070 -.0131380
 0.9157360 -.0101450
 0.9409620 -.0074510
 0.9619410 -.0051580
 0.9784710 -.0032990
 0.9903930 -.0019730
 0.9975930 -.0011880
 1.0000000 -.0009270
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Lednicer format dat file
Selig format dat file

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Polars for LOCKHEED C-141 BL426.57 AIRFOIL (c141c-il)

PlotAirfoilReynolds #NcritMax Cl/CdDescriptionSource 
   c141c-il50,000931.2 at α=5.5°Mach=0 Ncrit=9Xfoil predictionDetails
   c141c-il50,000530.8 at α=5.25°Mach=0 Ncrit=5Xfoil predictionDetails
   c141c-il100,000947.7 at α=5°Mach=0 Ncrit=9Xfoil predictionDetails
   c141c-il100,000544.9 at α=4.25°Mach=0 Ncrit=5Xfoil predictionDetails
   c141c-il200,000966.9 at α=4°Mach=0 Ncrit=9Xfoil predictionDetails
   c141c-il200,000557.4 at α=3.25°Mach=0 Ncrit=5Xfoil predictionDetails
   c141c-il500,000980.1 at α=3.25°Mach=0 Ncrit=9Xfoil predictionDetails
   c141c-il500,000562.7 at α=6.75°Mach=0 Ncrit=5Xfoil predictionDetails
   c141c-il1,000,000983.5 at α=2.75°Mach=0 Ncrit=9Xfoil predictionDetails
   c141c-il1,000,000576.4 at α=7°Mach=0 Ncrit=5Xfoil predictionDetails
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