dh4009sm (dh4009sm-il)
dh4009sm - Dale House DH4009 (smoothed) used on the Storm R/C aerobatic aircraft
| Details | Dat file | Parser | |
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(dh4009sm-il) dh4009sm Dale House DH4009 (smoothed) used on the Storm R/C aerobatic aircraft Max thickness 8.9% at 41.6% chord. Max camber 0.2% at 9.6% chord Source UIUC Airfoil Coordinates Database Source dat file The dat file is in Selig format |
dh4009sm
1.00000 0.00027
0.99754 0.00167
0.99070 0.00430
0.98037 0.00618
0.96698 0.00756
0.95044 0.00903
0.93064 0.01081
0.90775 0.01289
0.88202 0.01524
0.85370 0.01783
0.82309 0.02066
0.79048 0.02369
0.75616 0.02685
0.72043 0.03006
0.68359 0.03320
0.64594 0.03614
0.60778 0.03874
0.56937 0.04089
0.53099 0.04253
0.49265 0.04364
0.45435 0.04424
0.41638 0.04439
0.37887 0.04415
0.34204 0.04355
0.30609 0.04259
0.27120 0.04125
0.23760 0.03952
0.20549 0.03743
0.17504 0.03501
0.14648 0.03229
0.11999 0.02939
0.09576 0.02627
0.07395 0.02300
0.05468 0.01975
0.03811 0.01663
0.02433 0.01357
0.01338 0.01041
0.00548 0.00704
0.00098 0.00320
0.00000 -0.00001
0.00098 -0.00285
0.00548 -0.00570
0.01338 -0.00805
0.02433 -0.01051
0.03811 -0.01311
0.05468 -0.01594
0.07395 -0.01903
0.09576 -0.02227
0.11999 -0.02551
0.14648 -0.02861
0.17504 -0.03147
0.20549 -0.03416
0.23760 -0.03673
0.27120 -0.03916
0.30609 -0.04133
0.34204 -0.04311
0.37887 -0.04438
0.41638 -0.04506
0.45435 -0.04509
0.49265 -0.04446
0.53099 -0.04318
0.56937 -0.04130
0.60778 -0.03887
0.64594 -0.03598
0.68359 -0.03272
0.72043 -0.02922
0.75616 -0.02559
0.79048 -0.02195
0.82309 -0.01843
0.85370 -0.01513
0.88202 -0.01215
0.90775 -0.00952
0.93064 -0.00726
0.95044 -0.00536
0.96698 -0.00382
0.98037 -0.00255
0.99070 -0.00146
0.99754 -0.00047
1.00000 -0.00001
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Polars for dh4009sm (dh4009sm-il)
| Plot | Airfoil | Reynolds # | Ncrit | Max Cl/Cd | Description | Source | |
|---|---|---|---|---|---|---|---|
| dh4009sm-il | 50,000 | 9 | 19.4 at α=4.25° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| dh4009sm-il | 50,000 | 5 | 24.2 at α=3.25° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| dh4009sm-il | 100,000 | 9 | 27.6 at α=3° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| dh4009sm-il | 100,000 | 5 | 31.7 at α=2.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| dh4009sm-il | 200,000 | 9 | 40.3 at α=2.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| dh4009sm-il | 200,000 | 5 | 34.6 at α=2.5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| dh4009sm-il | 500,000 | 9 | 48.1 at α=2.5° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| dh4009sm-il | 500,000 | 5 | 42.1 at α=5° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
| dh4009sm-il | 1,000,000 | 9 | 51.8 at α=2° | Mach=0 Ncrit=9 | Xfoil prediction | Details | |
| dh4009sm-il | 1,000,000 | 5 | 53.4 at α=5.75° | Mach=0 Ncrit=5 | Xfoil prediction | Details | |
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