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Airfoil Comparison

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Airfoil comparison (e748-il,e636-il,e328-il,e664-il,e338-il)
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    (e748-il) EPPLER 748 AIRFOIL

Eppler E748 sailplane airfoil
Max thickness 19.7% at 27.4% chord
Max camber 4.6% at 54.9% chord
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    (e636-il) EPPLER 636 AIRFOIL

Eppler E636 airfoil
Max thickness 11.9% at 26.9% chord
Max camber 3.2% at 22.9% chord
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    (e328-il) EPPLER 328 AIRFOIL

Eppler E328 flying wing airfoil
Max thickness 13.3% at 31.5% chord
Max camber 3% at 22.1% chord
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    (e664-il) EPPLER 664 AIRFOIL

Eppler E664 variable geometry sailplane airfoil
Max thickness 16.6% at 45.6% chord
Max camber 2.6% at 40.7% chord
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    (e338-il) EPPLER 338 AIRFOIL

Eppler E338 flying wing airfoil
Max thickness 13.3% at 31.1% chord
Max camber 3.7% at 26.2% chord
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Used for printing plan. A4 landscape approx 280mm
Used for printing plan. A4 landscape approx 180mm

Polars for (e748-il,e636-il,e328-il,e664-il,e338-il)

PlotAirfoilReynolds #NcritMax Cl/CdDescriptionSource 
   e748-il50,000912.4 at α=-2.75°Mach=0 Ncrit=9Xfoil predictionDetails
   e748-il50,000521.5 at α=4.75°Mach=0 Ncrit=5Xfoil predictionDetails
   e748-il100,000931.4 at α=5.75°Mach=0 Ncrit=9Xfoil predictionDetails
   e748-il100,000546.2 at α=7.5°Mach=0 Ncrit=5Xfoil predictionDetails
   e748-il200,000963.8 at α=10.25°Mach=0 Ncrit=9Xfoil predictionDetails
   e748-il200,000566.9 at α=7.75°Mach=0 Ncrit=5Xfoil predictionDetails
   e748-il500,000994.2 at α=8°Mach=0 Ncrit=9Xfoil predictionDetails
   e748-il500,000593.4 at α=7.75°Mach=0 Ncrit=5Xfoil predictionDetails
   e748-il1,000,0009120.1 at α=8.25°Mach=0 Ncrit=9Xfoil predictionDetails
   e748-il1,000,0005116.8 at α=7.25°Mach=0 Ncrit=5Xfoil predictionDetails
   e636-il50,000914.7 at α=1.25°Mach=0 Ncrit=9Xfoil predictionDetails
   e636-il50,000524.6 at α=5°Mach=0 Ncrit=5Xfoil predictionDetails
   e636-il100,000933 at α=13°Mach=0 Ncrit=9Xfoil predictionDetails
   e636-il100,000544 at α=8.25°Mach=0 Ncrit=5Xfoil predictionDetails
   e636-il200,000961.7 at α=10.75°Mach=0 Ncrit=9Xfoil predictionDetails
   e636-il200,000565.8 at α=9°Mach=0 Ncrit=5Xfoil predictionDetails
   e636-il500,000995.6 at α=9.25°Mach=0 Ncrit=9Xfoil predictionDetails
   e636-il500,000594.8 at α=8.5°Mach=0 Ncrit=5Xfoil predictionDetails
   e636-il1,000,0009120.7 at α=8.5°Mach=0 Ncrit=9Xfoil predictionDetails
   e636-il1,000,0005108.3 at α=8.25°Mach=0 Ncrit=5Xfoil predictionDetails
   e328-il50,000917.6 at α=1°Mach=0 Ncrit=9Xfoil predictionDetails
   e328-il50,000527.5 at α=5.5°Mach=0 Ncrit=5Xfoil predictionDetails
   e328-il100,000937.7 at α=12.25°Mach=0 Ncrit=9Xfoil predictionDetails
   e328-il100,000546.6 at α=7.5°Mach=0 Ncrit=5Xfoil predictionDetails
   e328-il200,000963.5 at α=9.25°Mach=0 Ncrit=9Xfoil predictionDetails
   e328-il200,000563.6 at α=9.75°Mach=0 Ncrit=5Xfoil predictionDetails
   e328-il500,000988.9 at α=9.75°Mach=0 Ncrit=9Xfoil predictionDetails
   e328-il500,000586.7 at α=8.75°Mach=0 Ncrit=5Xfoil predictionDetails
   e328-il1,000,0009111.1 at α=9°Mach=0 Ncrit=9Xfoil predictionDetails
   e328-il1,000,0005105.1 at α=8.25°Mach=0 Ncrit=5Xfoil predictionDetails
   e664-il50,000919.3 at α=12°Mach=0 Ncrit=9Xfoil predictionDetails
   e664-il50,000519.7 at α=12°Mach=0 Ncrit=5Xfoil predictionDetails
   e664-il100,000939.9 at α=10°Mach=0 Ncrit=9Xfoil predictionDetails
   e664-il100,000533.2 at α=9.75°Mach=0 Ncrit=5Xfoil predictionDetails
   e664-il200,000957.6 at α=8.75°Mach=0 Ncrit=9Xfoil predictionDetails
   e664-il200,000558.3 at α=7.25°Mach=0 Ncrit=5Xfoil predictionDetails
   e664-il500,000990.8 at α=6.5°Mach=0 Ncrit=9Xfoil predictionDetails
   e664-il500,000590.9 at α=5°Mach=0 Ncrit=5Xfoil predictionDetails
   e664-il1,000,0009120.9 at α=5.25°Mach=0 Ncrit=9Xfoil predictionDetails
   e664-il1,000,0005111.2 at α=3.75°Mach=0 Ncrit=5Xfoil predictionDetails
   e338-il50,000915.8 at α=0.5°Mach=0 Ncrit=9Xfoil predictionDetails
   e338-il50,000526.2 at α=4.25°Mach=0 Ncrit=5Xfoil predictionDetails
   e338-il100,000933.8 at α=4°Mach=0 Ncrit=9Xfoil predictionDetails
   e338-il100,000545.9 at α=6.75°Mach=0 Ncrit=5Xfoil predictionDetails
   e338-il200,000963.3 at α=9.25°Mach=0 Ncrit=9Xfoil predictionDetails
   e338-il200,000567.8 at α=8.5°Mach=0 Ncrit=5Xfoil predictionDetails
   e338-il500,000997.4 at α=9.5°Mach=0 Ncrit=9Xfoil predictionDetails
   e338-il500,000588.6 at α=9.25°Mach=0 Ncrit=5Xfoil predictionDetails
   e338-il1,000,0009114 at α=9.75°Mach=0 Ncrit=9Xfoil predictionDetails
   e338-il1,000,0005108.2 at α=8°Mach=0 Ncrit=5Xfoil predictionDetails
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