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AH 81-K-144 W-F KLAPPE (ah81k144wfklappe-il)

AH 81-K-144 W-F KLAPPE - Althaus AH 81-K-144 W-F KLAPPE airfoil for use with flaps (K)


Airfoil ah81k144wfklappe-il
Details Dat file Parser  
(ah81k144wfklappe-il) AH 81-K-144 W-F KLAPPE
Althaus AH 81-K-144 W-F KLAPPE airfoil for use with flaps (K)
Max thickness 22% at 17% chord.
Max camber 1.1% at 56.5% chord
Source UIUC Airfoil Coordinates Database
Source dat file
The dat file is in Selig format
AH 81-K-144 W-F KLAPPE
1.00000     0.00000
0.99893     0.00167
0.99572     0.00267
0.99039     0.00333
0.98296     0.00467
0.97347     0.00600
0.96194     0.00700
0.94844     0.00867
0.93301     0.01000
0.91573     0.01267
0.89668     0.01500
0.87592     0.01800
0.85355     0.02000
0.82967     0.02333
0.80438     0.02667
0.77779     0.03033
0.75000     0.03467
0.72114     0.03833
0.69134     0.04233
0.66072     0.04667
0.62941     0.05167
0.59755     0.05667
0.56526     0.06167
0.53270     0.06567
0.50000     0.07067
0.46730     0.07567
0.43474     0.08067
0.40245     0.08500
0.37059     0.09000
0.33928     0.09500
0.30866     0.09978
0.27886     0.10556
0.25000     0.11102
0.22221     0.11548
0.19562     0.11807
0.17033     0.11900
0.14645     0.11731
0.12408     0.11363
0.10332     0.10800
0.08427     0.10065
0.06699     0.09315
0.05156     0.08259
0.03806     0.07108
0.02653     0.05903
0.01704     0.04671
0.00961     0.03431
0.00428     0.02190
0.00107     0.00850
0.00000     0.00000
0.00107     -0.00638
0.00428     -0.01870
0.00961     -0.02891
0.01704     -0.03811
0.02653     -0.04711
0.03806     -0.05589
0.05156     -0.06397
0.06699     -0.07211
0.08427     -0.07952
0.10332     -0.08670
0.12408     -0.09327
0.14645     -0.09838
0.17033     -0.10124
0.19562     -0.10030
0.22221     -0.09749
0.25000     -0.09265
0.27886     -0.08740
0.30866     -0.08224
0.33928     -0.07706
0.37059     -0.07172
0.40245     -0.06624
0.43474     -0.06085
0.46730     -0.05500
0.50000     -0.05000
0.53270     -0.04567
0.56526     -0.04033
0.59755     -0.03667
0.62941     -0.03200
0.66072     -0.02833
0.69134     -0.02533
0.72114     -0.02167
0.75000     -0.01971
0.77779     -0.01685
0.80438     -0.01430
0.82967     -0.01207
0.85355     -0.01016
0.87592     -0.00851
0.89668     -0.00707
0.91573     -0.00700
0.93301     -0.00667
0.94844     -0.00633
0.96194     -0.00567
0.97347     -0.00533
0.98296     -0.00500
0.99039     -0.00467
0.99572     -0.00433
0.99893     -0.00400
1.00000     0.00000
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Selig format dat file

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Polars for AH 81-K-144 W-F KLAPPE (ah81k144wfklappe-il)

PlotAirfoilReynolds #NcritMax Cl/CdDescriptionSource 
   ah81k144wfklappe-il50,00094.2 at α=-2°Mach=0 Ncrit=9Xfoil predictionDetails
   ah81k144wfklappe-il50,00052.7 at α=9.5°Mach=0 Ncrit=5Xfoil predictionDetails
   ah81k144wfklappe-il100,00093.8 at α=-1.5°Mach=0 Ncrit=9Xfoil predictionDetails
   ah81k144wfklappe-il100,000510 at α=4°Mach=0 Ncrit=5Xfoil predictionDetails
   ah81k144wfklappe-il200,000910.5 at α=5°Mach=0 Ncrit=9Xfoil predictionDetails
   ah81k144wfklappe-il200,000535.4 at α=10°Mach=0 Ncrit=5Xfoil predictionDetails
   ah81k144wfklappe-il500,000968.9 at α=12°Mach=0 Ncrit=9Xfoil predictionDetails
   ah81k144wfklappe-il500,000566.7 at α=10.25°Mach=0 Ncrit=5Xfoil predictionDetails
   ah81k144wfklappe-il1,000,000989.7 at α=13°Mach=0 Ncrit=9Xfoil predictionDetails
   ah81k144wfklappe-il1,000,000568.5 at α=10.5°Mach=0 Ncrit=5Xfoil predictionDetails
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