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

Airfoil Comparison

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Airfoil comparison (eh2070-il,s803-nr,raf34-il,goe511-il,fx72150a-il,n64015a-il,mb253515sm-il)
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    (eh2070-il) EH 2.0/7.0

John Yost EH 2.0/7.0 for tailless R/C aircraft
Max thickness 7% at 28.7% chord
Max camber 2% at 25.9% chord
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    (s803-nr) NREL's S803 Airfoil

NREL HAWT airfoil S803 tip Not recommended
Max thickness 11.5% at 37.5% chord
Max camber 3.7% at 46.9% chord
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    (raf34-il) RAF 34 AIRFOIL

RAF-34 airfoil
Max thickness 12.6% at 30% chord
Max camber 2% at 30% chord
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    (goe511-il) GOE 511 AIRFOIL

Gottingen 511 airfoil
Max thickness 16.6% at 19.9% chord
Max camber 8% at 29.8% chord
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    (fx72150a-il) WORTMANN FX 72-MS-150A AIRFOIL

Wortmann FX 72-MS-150A airfoil
Max thickness 15% at 37.1% chord
Max camber 8.3% at 46.7% chord
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    (n64015a-il) NACA 642-015A AIRFOIL

NACA 64(2)-015A airfoil
Max thickness 15% at 40% chord
Max camber 0% at 0% chord
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    (mb253515sm-il) MB253515 15.0% smoothed

Mike Bame MB253515 low Reynolds number airfoil
Max thickness 15% at 35% chord
Max camber 2.5% at 37.5% chord
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Used for printing plan. A4 landscape approx 280mm
Used for printing plan. A4 landscape approx 180mm

Polars for (eh2070-il,s803-nr,raf34-il,goe511-il,fx72150a-il,n64015a-il,mb253515sm-il)

PlotAirfoilReynolds #NcritMax Cl/CdDescriptionSource 
   eh2070-il50,000933.8 at α=6.5°Mach=0 Ncrit=9Xfoil predictionDetails
   eh2070-il50,000533.6 at α=6.25°Mach=0 Ncrit=5Xfoil predictionDetails
   eh2070-il100,000946.6 at α=6°Mach=0 Ncrit=9Xfoil predictionDetails
   eh2070-il100,000545.8 at α=5.75°Mach=0 Ncrit=5Xfoil predictionDetails
   eh2070-il200,000960 at α=5.5°Mach=0 Ncrit=9Xfoil predictionDetails
   eh2070-il200,000558.6 at α=5.25°Mach=0 Ncrit=5Xfoil predictionDetails
   eh2070-il500,000979.5 at α=4.75°Mach=0 Ncrit=9Xfoil predictionDetails
   eh2070-il500,000575.9 at α=4.5°Mach=0 Ncrit=5Xfoil predictionDetails
   eh2070-il1,000,000994.4 at α=4.5°Mach=0 Ncrit=9Xfoil predictionDetails
   eh2070-il1,000,000586.8 at α=4.25°Mach=0 Ncrit=5Xfoil predictionDetails
   s803-nr50,000938.6 at α=8.25°Mach=0 Ncrit=9Xfoil predictionDetails
   s803-nr50,000537.1 at α=8°Mach=0 Ncrit=5Xfoil predictionDetails
   s803-nr100,000963.1 at α=7.25°Mach=0 Ncrit=9Xfoil predictionDetails
   s803-nr100,000563 at α=6.5°Mach=0 Ncrit=5Xfoil predictionDetails
   s803-nr200,000989.5 at α=6.5°Mach=0 Ncrit=9Xfoil predictionDetails
   s803-nr200,000583.8 at α=5.5°Mach=0 Ncrit=5Xfoil predictionDetails
   s803-nr500,0009118.4 at α=5.25°Mach=0 Ncrit=9Xfoil predictionDetails
   s803-nr500,0005108.1 at α=4.25°Mach=0 Ncrit=5Xfoil predictionDetails
   s803-nr1,000,0009140.3 at α=4.5°Mach=0 Ncrit=9Xfoil predictionDetails
   s803-nr1,000,0005124 at α=3°Mach=0 Ncrit=5Xfoil predictionDetails
   raf34-il50,000925.7 at α=10.5°Mach=0 Ncrit=9Xfoil predictionDetails
   raf34-il50,000530.7 at α=7.75°Mach=0 Ncrit=5Xfoil predictionDetails
   raf34-il100,000948.2 at α=8.25°Mach=0 Ncrit=9Xfoil predictionDetails
   raf34-il100,000549.1 at α=7.25°Mach=0 Ncrit=5Xfoil predictionDetails
   raf34-il200,000967.5 at α=7°Mach=0 Ncrit=9Xfoil predictionDetails
   raf34-il200,000565.2 at α=6.25°Mach=0 Ncrit=5Xfoil predictionDetails
   raf34-il500,000990.8 at α=6°Mach=0 Ncrit=9Xfoil predictionDetails
   raf34-il500,000579.4 at α=6.25°Mach=0 Ncrit=5Xfoil predictionDetails
   raf34-il1,000,000999.8 at α=6.25°Mach=0 Ncrit=9Xfoil predictionDetails
   raf34-il1,000,000584.8 at α=5.25°Mach=0 Ncrit=5Xfoil predictionDetails
   goe511-il50,00093.7 at α=11.25°Mach=0 Ncrit=9Xfoil predictionDetails
   goe511-il50,000525.2 at α=3.25°Mach=0 Ncrit=5Xfoil predictionDetails
   goe511-il100,000941.4 at α=2.25°Mach=0 Ncrit=9Xfoil predictionDetails
   goe511-il100,000541.7 at α=4.75°Mach=0 Ncrit=5Xfoil predictionDetails
   goe511-il200,000957.6 at α=4.75°Mach=0 Ncrit=9Xfoil predictionDetails
   goe511-il200,000553.2 at α=5.5°Mach=0 Ncrit=5Xfoil predictionDetails
   goe511-il500,000971.8 at α=5.75°Mach=0 Ncrit=9Xfoil predictionDetails
   goe511-il500,000567 at α=7°Mach=0 Ncrit=5Xfoil predictionDetails
   goe511-il1,000,000987.3 at α=6.5°Mach=0 Ncrit=9Xfoil predictionDetails
   goe511-il1,000,000580.9 at α=8.5°Mach=0 Ncrit=5Xfoil predictionDetails
   fx72150a-il50,00096 at α=8.5°Mach=0 Ncrit=9Xfoil predictionDetails
   fx72150a-il50,000510.4 at α=1.5°Mach=0 Ncrit=5Xfoil predictionDetails
   fx72150a-il100,000913.2 at α=15.75°Mach=0 Ncrit=9Xfoil predictionDetails
   fx72150a-il100,000540.5 at α=1.75°Mach=0 Ncrit=5Xfoil predictionDetails
   fx72150a-il200,000958.2 at α=10°Mach=0 Ncrit=9Xfoil predictionDetails
   fx72150a-il200,000578.4 at α=6.75°Mach=0 Ncrit=5Xfoil predictionDetails
   fx72150a-il500,0009123.1 at α=8°Mach=0 Ncrit=9Xfoil predictionDetails
   fx72150a-il500,0005121.1 at α=6.75°Mach=0 Ncrit=5Xfoil predictionDetails
   fx72150a-il1,000,0009160.2 at α=7.5°Mach=0 Ncrit=9Xfoil predictionDetails
   fx72150a-il1,000,0005154 at α=5.75°Mach=0 Ncrit=5Xfoil predictionDetails
   n64015a-il50,000928.6 at α=6.5°Mach=0 Ncrit=9Xfoil predictionDetails
   n64015a-il50,000527.9 at α=6.25°Mach=0 Ncrit=5Xfoil predictionDetails
   n64015a-il100,000943.2 at α=5.75°Mach=0 Ncrit=9Xfoil predictionDetails
   n64015a-il100,000536.8 at α=5.75°Mach=0 Ncrit=5Xfoil predictionDetails
   n64015a-il200,000949.9 at α=5.75°Mach=0 Ncrit=9Xfoil predictionDetails
   n64015a-il200,000544.5 at α=5°Mach=0 Ncrit=5Xfoil predictionDetails
   n64015a-il500,000964.4 at α=5°Mach=0 Ncrit=9Xfoil predictionDetails
   n64015a-il500,000552.7 at α=8.25°Mach=0 Ncrit=5Xfoil predictionDetails
   n64015a-il1,000,000970.1 at α=4.25°Mach=0 Ncrit=9Xfoil predictionDetails
   n64015a-il1,000,000565.2 at α=9°Mach=0 Ncrit=5Xfoil predictionDetails
   mb253515sm-il50,00097.5 at α=6°Mach=0 Ncrit=9Xfoil predictionDetails
   mb253515sm-il50,000525.4 at α=6.75°Mach=0 Ncrit=5Xfoil predictionDetails
   mb253515sm-il100,000948.5 at α=8.5°Mach=0 Ncrit=9Xfoil predictionDetails
   mb253515sm-il100,000549 at α=6.75°Mach=0 Ncrit=5Xfoil predictionDetails
   mb253515sm-il200,000970 at α=6.25°Mach=0 Ncrit=9Xfoil predictionDetails
   mb253515sm-il200,000568.3 at α=6°Mach=0 Ncrit=5Xfoil predictionDetails
   mb253515sm-il500,000992.2 at α=6.25°Mach=0 Ncrit=9Xfoil predictionDetails
   mb253515sm-il500,000583.6 at α=6°Mach=0 Ncrit=5Xfoil predictionDetails
   mb253515sm-il1,000,0009105.8 at α=5.25°Mach=0 Ncrit=9Xfoil predictionDetails
   mb253515sm-il1,000,000596.8 at α=6.25°Mach=0 Ncrit=5Xfoil predictionDetails
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