BE6699 (6.6% max t/c 9.9% max camber) CLmax 2.1 at RE 100000 transition free


Direct link: BE6699 (6.6% max t/c 9.9% max camber) CLmax 2.1 at RE 100000 transition free
Info | DAT and DXF files | Shape | Venkataraman Fit | Applications (0) | Similarly shaped airfoils
Plain Flapped Shapes: 25% flap chord | 30% flap chord | 35% flap chord | 40% flap chord
Basic Data: cl vs α | cd vs α | cm vs α | cl/cd vs α | cd vs cl | cl/cd vs cl | cl vs cd | cm vs cl | Curve fits | Lift curve slopes
Data source comparison (Codes, CFD, Wind tunnel)
Compressibility Effects: cl vs α | cd vs α | cm vs α | cl/cd vs α | cd vs cl | cl/cd vs cl | cl vs cd | cm vs cl
Roughness Effects: cl vs α | cd vs α | cm vs α | cl/cd vs α | cd vs cl | cl/cd vs cl | cl vs cd | cm vs cl
Plain Flap Effects: cl,max vs flap deflection: all flap chords | 25% flap chord | 30% flap chord | 35% flap chord | 40% flap chord
Plain Flap Effects: cl vs α for various flap deflections: 25% flap chord | 30% flap chord | 35% flap chord | 40% flap chord
Plain Flap Effects: cm vs α for various flap deflections: 25% flap chord | 30% flap chord | 35% flap chord | 40% flap chord
Plain Flap Effects: cd vs α for various flap deflections: 25% flap chord | 30% flap chord | 35% flap chord | 40% flap chord
Disclaimer: All information presented herein is delivered without guarantee or warranty of any kind. The user assumes the entire risk of use of this information.
BE6699 (6.6% max t/c 9.9% max camber) CLmax 2.1 at RE 100000 transition free
DB Name: BE6699
Family: Egglestone
Max thickness: 6.6% at x = 16.99% chord
Max camber: 9.6% at x = 39.75% chord
Available data sources:
JavaFoil+Calcfoil stall+Eppler ext transition
XFOIL ncrit=9

Notes:


Coordinates from TraCFoil.
Commercial use of the airfoil may be restricted by the designer's copyright.
Brian Egglestone BE6699 (6.6% max t/c 9.9% max camber).

CLmax 2.1 at RE 100000 transition free.

CLmax 1.82 at RE 100000 xtr u/s 0.1.