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GM15 (smoothed) (gm15sm-il)

GM15 (smoothed) - Gilbert Morris GM15 F1C class free flight flapper airfoil


Airfoil gm15sm-il
Details Dat file Parser  
(gm15sm-il) GM15 (smoothed)
Gilbert Morris GM15 F1C class free flight flapper airfoil
Max thickness 6.7% at 20.5% chord.
Max camber 4.8% at 49.3% chord
Source UIUC Airfoil Coordinates Database
Source dat file
The dat file is in Selig format
GM15 (smoothed)
       1.00000     0.00006
       0.99754     0.00114
       0.99070     0.00356
       0.98037     0.00616
       0.96698     0.00865
       0.95044     0.01149
       0.93064     0.01516
       0.90775     0.01969
       0.88202     0.02474
       0.85370     0.03001
       0.82309     0.03524
       0.79048     0.04030
       0.75616     0.04511
       0.72043     0.04963
       0.68359     0.05386
       0.64594     0.05779
       0.60778     0.06140
       0.56937     0.06467
       0.53099     0.06751
       0.49265     0.06988
       0.45435     0.07172
       0.41638     0.07295
       0.37887     0.07352
       0.34204     0.07339
       0.30609     0.07255
       0.27120     0.07097
       0.23760     0.06866
       0.20549     0.06561
       0.17504     0.06182
       0.14648     0.05731
       0.11999     0.05210
       0.09576     0.04629
       0.07395     0.04003
       0.05468     0.03354
       0.03811     0.02698
       0.02433     0.02052
       0.01338     0.01433
       0.00548     0.00852
       0.00098     0.00322
       0.00000    -0.00019
       0.00098    -0.00312
       0.00548    -0.00634
       0.01338    -0.00868
       0.02433    -0.01036
       0.03811    -0.01150
       0.05468    -0.01210
       0.07395    -0.01207
       0.09576    -0.01136
       0.11999    -0.00996
       0.14648    -0.00785
       0.17504    -0.00510
       0.20549    -0.00179
       0.23760     0.00191
       0.27120     0.00586
       0.30609     0.00988
       0.34204     0.01379
       0.37887     0.01741
       0.41638     0.02060
       0.45435     0.02324
       0.49265     0.02526
       0.53099     0.02661
       0.56937     0.02732
       0.60778     0.02740
       0.64594     0.02692
       0.68359     0.02594
       0.72043     0.02456
       0.75616     0.02287
       0.79048     0.02088
       0.82309     0.01858
       0.85370     0.01598
       0.88202     0.01317
       0.90775     0.01033
       0.93064     0.00765
       0.95044     0.00528
       0.96698     0.00332
       0.98037     0.00179
       0.99070     0.00075
       0.99754     0.00017
       1.00000    -0.00001
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Polars for GM15 (smoothed) (gm15sm-il)

PlotAirfoilReynolds #NcritMax Cl/CdDescriptionSource 
   gm15sm-il50,000945.2 at α=6.75°Mach=0 Ncrit=9Xfoil predictionDetails
   gm15sm-il50,000546.1 at α=5.75°Mach=0 Ncrit=5Xfoil predictionDetails
   gm15sm-il100,000966.2 at α=5.75°Mach=0 Ncrit=9Xfoil predictionDetails
   gm15sm-il100,000566.9 at α=4.75°Mach=0 Ncrit=5Xfoil predictionDetails
   gm15sm-il200,000991.5 at α=3.5°Mach=0 Ncrit=9Xfoil predictionDetails
   gm15sm-il200,000586.9 at α=4°Mach=0 Ncrit=5Xfoil predictionDetails
   gm15sm-il500,0009123.6 at α=3.5°Mach=0 Ncrit=9Xfoil predictionDetails
   gm15sm-il500,0005112.4 at α=3.75°Mach=0 Ncrit=5Xfoil predictionDetails
   gm15sm-il1,000,0009146.5 at α=3.25°Mach=0 Ncrit=9Xfoil predictionDetails
   gm15sm-il1,000,0005119.5 at α=4°Mach=0 Ncrit=5Xfoil predictionDetails
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