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Your Reynold number range is 50,000 to 1,000,000. (set)

Airfoil Comparison

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Airfoil comparison (e325-il,e642-il,e636-il,e585-il,e197-il,e664-il,e201-il,e662-il,e224-il)
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    (e325-il) EPPLER 325 AIRFOIL

Eppler E325 flying wing airfoil
Max thickness 12.6% at 34.3% chord
Max camber 1.8% at 16.3% chord
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    (e642-il) EPPLER 642 AIRFOIL

Eppler E642 sailplane airfoil
Max thickness 15.1% at 39.4% chord
Max camber 3% at 39.4% 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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    (e585-il) EPPLER 585 AIRFOIL

Eppler E585 sailplane airfoil
Max thickness 14.6% at 37.6% chord
Max camber 4.2% at 42.8% chord
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    (e197-il) E197 (13.49%)

Eppler E197 low Reynolds number airfoil
Max thickness 13.5% at 34.6% chord
Max camber 2.8% at 43.7% 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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    (e201-il) E201 (11.88%)

Eppler E201 low Reynolds number airfoil
Max thickness 11.9% at 30.8% chord
Max camber 2.6% at 49.4% chord
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    (e662-il) EPPLER E662 AIRFOIL

Eppler E662 sailplane airfoil
Max thickness 15% at 42.8% chord
Max camber 4.1% at 47.5% chord
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    (e224-il) E224 (10.17%)

Eppler E224 low Reynolds number airfoil
Max thickness 10.2% at 29.8% chord
Max camber 1.5% at 54.2% chord
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Used for printing plan. A4 landscape approx 280mm
Used for printing plan. A4 landscape approx 180mm

Polars for (e325-il,e642-il,e636-il,e585-il,e197-il,e664-il,e201-il,e662-il,e224-il)

PlotAirfoilReynolds #NcritMax Cl/CdDescriptionSource 
   e325-il50,000917.2 at α=2.75°Mach=0 Ncrit=9Xfoil predictionDetails
   e325-il50,000526.5 at α=7°Mach=0 Ncrit=5Xfoil predictionDetails
   e325-il100,000939.2 at α=9.75°Mach=0 Ncrit=9Xfoil predictionDetails
   e325-il100,000542.6 at α=9.25°Mach=0 Ncrit=5Xfoil predictionDetails
   e325-il200,000958.3 at α=9°Mach=0 Ncrit=9Xfoil predictionDetails
   e325-il200,000551.1 at α=9.5°Mach=0 Ncrit=5Xfoil predictionDetails
   e325-il500,000969.6 at α=9.75°Mach=0 Ncrit=9Xfoil predictionDetails
   e325-il500,000569.2 at α=8.75°Mach=0 Ncrit=5Xfoil predictionDetails
   e325-il1,000,000988.2 at α=9°Mach=0 Ncrit=9Xfoil predictionDetails
   e325-il1,000,000582.6 at α=8.25°Mach=0 Ncrit=5Xfoil predictionDetails
   e642-il50,000921.9 at α=12.5°Mach=0 Ncrit=9Xfoil predictionDetails
   e642-il50,000519.2 at α=12.25°Mach=0 Ncrit=5Xfoil predictionDetails
   e642-il100,000943.7 at α=10.25°Mach=0 Ncrit=9Xfoil predictionDetails
   e642-il100,000543 at α=6.75°Mach=0 Ncrit=5Xfoil predictionDetails
   e642-il200,000977.1 at α=8°Mach=0 Ncrit=9Xfoil predictionDetails
   e642-il200,000565.4 at α=7.75°Mach=0 Ncrit=5Xfoil predictionDetails
   e642-il500,000998.2 at α=7.5°Mach=0 Ncrit=9Xfoil predictionDetails
   e642-il500,000592.6 at α=6°Mach=0 Ncrit=5Xfoil predictionDetails
   e642-il1,000,0009121.4 at α=6°Mach=0 Ncrit=9Xfoil predictionDetails
   e642-il1,000,0005109.7 at α=5°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
   e585-il50,00098 at α=9.25°Mach=0 Ncrit=9Xfoil predictionDetails
   e585-il50,000521.2 at α=12°Mach=0 Ncrit=5Xfoil predictionDetails
   e585-il100,000950.3 at α=9.75°Mach=0 Ncrit=9Xfoil predictionDetails
   e585-il100,000547.7 at α=8.25°Mach=0 Ncrit=5Xfoil predictionDetails
   e585-il200,000981.4 at α=8°Mach=0 Ncrit=9Xfoil predictionDetails
   e585-il200,000578.6 at α=6.75°Mach=0 Ncrit=5Xfoil predictionDetails
   e585-il500,0009118 at α=6.5°Mach=0 Ncrit=9Xfoil predictionDetails
   e585-il500,0005110.5 at α=5.25°Mach=0 Ncrit=5Xfoil predictionDetails
   e585-il1,000,0009146.1 at α=5.25°Mach=0 Ncrit=9Xfoil predictionDetails
   e585-il1,000,0005131.3 at α=4.25°Mach=0 Ncrit=5Xfoil predictionDetails
   e197-il50,000929 at α=10.5°Mach=0 Ncrit=9Xfoil predictionDetails
   e197-il50,000525.9 at α=9.25°Mach=0 Ncrit=5Xfoil predictionDetails
   e197-il100,000952.5 at α=9°Mach=0 Ncrit=9Xfoil predictionDetails
   e197-il100,000553.2 at α=7.75°Mach=0 Ncrit=5Xfoil predictionDetails
   e197-il200,000977.6 at α=8°Mach=0 Ncrit=9Xfoil predictionDetails
   e197-il200,000575.9 at α=7°Mach=0 Ncrit=5Xfoil predictionDetails
   e197-il500,0009110.7 at α=6.5°Mach=0 Ncrit=9Xfoil predictionDetails
   e197-il500,0005103.1 at α=5.5°Mach=0 Ncrit=5Xfoil predictionDetails
   e197-il1,000,0009135.9 at α=5.75°Mach=0 Ncrit=9Xfoil predictionDetails
   e197-il1,000,0005119.9 at α=5.25°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
   e201-il50,000934 at α=9.25°Mach=0 Ncrit=9Xfoil predictionDetails
   e201-il50,000533.9 at α=8.25°Mach=0 Ncrit=5Xfoil predictionDetails
   e201-il100,000956.7 at α=8.25°Mach=0 Ncrit=9Xfoil predictionDetails
   e201-il100,000557 at α=7.25°Mach=0 Ncrit=5Xfoil predictionDetails
   e201-il200,000980.4 at α=7.25°Mach=0 Ncrit=9Xfoil predictionDetails
   e201-il200,000578.2 at α=6.5°Mach=0 Ncrit=5Xfoil predictionDetails
   e201-il500,0009112 at α=6°Mach=0 Ncrit=9Xfoil predictionDetails
   e201-il500,0005104.6 at α=5.25°Mach=0 Ncrit=5Xfoil predictionDetails
   e201-il1,000,0009135.9 at α=5°Mach=0 Ncrit=9Xfoil predictionDetails
   e201-il1,000,0005122.5 at α=4.25°Mach=0 Ncrit=5Xfoil predictionDetails
   e662-il50,000927.6 at α=12°Mach=0 Ncrit=9Xfoil predictionDetails
   e662-il50,000523.4 at α=11°Mach=0 Ncrit=5Xfoil predictionDetails
   e662-il100,000946.6 at α=9.5°Mach=0 Ncrit=9Xfoil predictionDetails
   e662-il100,000540.9 at α=9°Mach=0 Ncrit=5Xfoil predictionDetails
   e662-il200,000971.4 at α=8°Mach=0 Ncrit=9Xfoil predictionDetails
   e662-il200,000566.9 at α=6.75°Mach=0 Ncrit=5Xfoil predictionDetails
   e662-il500,0009114.3 at α=5.75°Mach=0 Ncrit=9Xfoil predictionDetails
   e662-il500,0005111.1 at α=4°Mach=0 Ncrit=5Xfoil predictionDetails
   e662-il1,000,0009152 at α=4.5°Mach=0 Ncrit=9Xfoil predictionDetails
   e662-il1,000,0005138.7 at α=2.75°Mach=0 Ncrit=5Xfoil predictionDetails
   e224-il50,000933.7 at α=6.75°Mach=0 Ncrit=9Xfoil predictionDetails
   e224-il50,000535.8 at α=6°Mach=0 Ncrit=5Xfoil predictionDetails
   e224-il100,000951.2 at α=5.75°Mach=0 Ncrit=9Xfoil predictionDetails
   e224-il100,000550.2 at α=5.25°Mach=0 Ncrit=5Xfoil predictionDetails
   e224-il200,000968.2 at α=5°Mach=0 Ncrit=9Xfoil predictionDetails
   e224-il200,000563.4 at α=4.75°Mach=0 Ncrit=5Xfoil predictionDetails
   e224-il500,000989.2 at α=4.25°Mach=0 Ncrit=9Xfoil predictionDetails
   e224-il500,000579.1 at α=4°Mach=0 Ncrit=5Xfoil predictionDetails
   e224-il1,000,0009102.9 at α=3.5°Mach=0 Ncrit=9Xfoil predictionDetails
   e224-il1,000,000588.9 at α=4.75°Mach=0 Ncrit=5Xfoil predictionDetails
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