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SIKORSKY DBLN-526 AIRFOIL (dbln526-il)

SIKORSKY DBLN-526 AIRFOIL - Sikorsky DBLN-526 double ended rotorcraft airfoil


Airfoil dbln526-il
Details Dat file Parser  
(dbln526-il) SIKORSKY DBLN-526 AIRFOIL
Sikorsky DBLN-526 double ended rotorcraft airfoil
Max thickness 26% at 50% chord.
Max camber 4% at 50% chord
Source UIUC Airfoil Coordinates Database
Source dat file
The dat file is in Lednicer format
 SIKORSKY DBLN-526 AIRFOIL
23.        23.

 0.0000    0.0000
 0.0125    0.0362
 0.0250    0.0491
 0.0500    0.0679
 0.0750    0.0823
 0.1000    0.0952
 0.1500    0.1152
 0.2000    0.1302
 0.2500    0.1430
 0.3000    0.1530
 0.4000    0.1668
 0.5000    0.1698
 0.6000    0.1668
 0.7000    0.1530
 0.7500    0.1430
 0.8000    0.1302
 0.8500    0.1152
 0.9000    0.0952
 0.9250    0.0823
 0.9500    0.0679
 0.9750    0.0491
 0.9875    0.0362
 1.0000    0.0000

 0.0000    0.0000
 0.0125    -.0208
 0.0250    -.0298
 0.0500    -.0405
 0.0750    -.0483
 0.1000    -.0548
 0.1500    -.0637
 0.2000    -.0708
 0.2500    -.0751
 0.3000    -.0823
 0.4000    -.0887
 0.5000    -.0901
 0.6000    -.0887
 0.7000    -.0823
 0.7500    -.0751
 0.8000    -.0708
 0.8500    -.0637
 0.9000    -.0548
 0.9250    -.0483
 0.9500    -.0405
 0.9750    -.0298
 0.9875    -.0208
 1.0000    0.0000
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Lednicer format dat file
Selig format dat file

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Polars for SIKORSKY DBLN-526 AIRFOIL (dbln526-il)

PlotAirfoilReynolds #NcritMax Cl/CdDescriptionSource 
   dbln526-il50,00094.9 at α=12°Mach=0 Ncrit=9Xfoil predictionDetails
   dbln526-il50,000510.8 at α=15.25°Mach=0 Ncrit=5Xfoil predictionDetails
   dbln526-il100,000920 at α=13°Mach=0 Ncrit=9Xfoil predictionDetails
   dbln526-il100,000519.7 at α=11.5°Mach=0 Ncrit=5Xfoil predictionDetails
   dbln526-il200,000935 at α=8.25°Mach=0 Ncrit=9Xfoil predictionDetails
   dbln526-il200,000531 at α=9.5°Mach=0 Ncrit=5Xfoil predictionDetails
   dbln526-il500,000947.9 at α=5.75°Mach=0 Ncrit=9Xfoil predictionDetails
   dbln526-il500,000541.4 at α=4°Mach=0 Ncrit=5Xfoil predictionDetails
   dbln526-il1,000,000953.3 at α=5°Mach=0 Ncrit=9Xfoil predictionDetails
   dbln526-il1,000,000534.3 at α=1.5°Mach=0 Ncrit=5Xfoil predictionDetails
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