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HQ 2.5/9.0 smoothed by Eppler (hq2590sm-il)

HQ 2.5/9.0 smoothed by Eppler - Quabeck HQ 2.5/9 R/C sailplane airfoil (smoothed)


Airfoil hq2590sm-il
Details Dat file Parser  
(hq2590sm-il) HQ 2.5/9.0 smoothed by Eppler
Quabeck HQ 2.5/9 R/C sailplane airfoil (smoothed)
Max thickness 9% at 35% chord.
Max camber 2.5% at 55% chord
Source UIUC Airfoil Coordinates Database
Source dat file
The dat file is in Selig format
HQ 2.5/9.0 smoothed by Eppler
1.00000 0.00000
0.99436 0.00102
0.97757 0.00406
0.95000 0.00900
0.92698 0.01305
0.90000 0.01770
0.85000 0.02600
0.80000 0.03400
0.75004 0.04152
0.70000 0.04850
0.65006 0.05482
0.60000 0.06000
0.55004 0.06363
0.50000 0.06600
0.45001 0.06750
0.40000 0.06830
0.35000 0.06844
0.30000 0.06780
0.25000 0.06610
0.20000 0.06270
0.15000 0.05690
0.10000 0.04810
0.05000 0.03500
0.02500 0.02510
0.01250 0.01790
0.00500 0.01180
0.00000 0.00000
0.00500 -.00590
0.01250 -.00910
0.02500 -.01190
0.05000 -.01500
0.10000 -.01820 
0.15000 -.02000
0.20000 -.02130
0.25000 -.02210
0.30000 -.02230
0.35001 -.02188
0.40000 -.02070
0.45001 -.01864
0.50000 -.01600
0.55001 -.01306
0.60000 -.00980
0.64999 -.00623
0.70000 -.00280
0.74999 0.00003
0.80000 0.00230
0.85000 0.00400
0.90000 0.00450
0.92698 0.00394
0.95000 0.00300
0.97757 0.00145
0.99436 0.00037
1.00000 0.00000
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Lednicer format dat file
Selig format dat file

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Polars for HQ 2.5/9.0 smoothed by Eppler (hq2590sm-il)

PlotAirfoilReynolds #NcritMax Cl/CdDescriptionSource 
   hq2590sm-il50,000939 at α=6°Mach=0 Ncrit=9Xfoil predictionDetails
   hq2590sm-il50,000539.5 at α=5.5°Mach=0 Ncrit=5Xfoil predictionDetails
   hq2590sm-il100,000958.4 at α=5°Mach=0 Ncrit=9Xfoil predictionDetails
   hq2590sm-il100,000556.2 at α=4.25°Mach=0 Ncrit=5Xfoil predictionDetails
   hq2590sm-il200,000979.6 at α=4°Mach=0 Ncrit=9Xfoil predictionDetails
   hq2590sm-il200,000573.6 at α=3.25°Mach=0 Ncrit=5Xfoil predictionDetails
   hq2590sm-il500,0009105.7 at α=2.75°Mach=0 Ncrit=9Xfoil predictionDetails
   hq2590sm-il500,000584.6 at α=4°Mach=0 Ncrit=5Xfoil predictionDetails
   hq2590sm-il1,000,0009112.2 at α=2°Mach=0 Ncrit=9Xfoil predictionDetails
   hq2590sm-il1,000,000591.2 at α=4°Mach=0 Ncrit=5Xfoil predictionDetails
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