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Plywood surf foil wing

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Jyoder
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Re: Plywood surf foil wing

Postby Jyoder » Mon May 27, 2019 12:09 pm

Hpr wrote:
Mon May 27, 2019 9:57 am
Jyoder wrote:
Mon Apr 01, 2019 1:05 am
.... I glued 2 layers of already warped 1/2in plywood together and shaped with hand tools....
Does 'already warped' refer to dihedral? Or how did you get the dihedral?
I used 1/2inch ply which is hard to bend and laminate a curve so I picked pieces that were already a little curved and laminated them together with clamps to the the 1 inch Anhedral.

Mikey
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Re: Plywood surf foil wing

Postby Mikey » Mon May 27, 2019 5:44 pm

[quote]Yes just a bit at LE and TE to make it a semi-symmetrical airfoil. Mostly flat on bottom so rests flat on fuse.[/quote]

Cool - Clark Y profile (more or less) :D

Thanks!

Europ2
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Re: Plywood surf foil wing

Postby Europ2 » Mon May 27, 2019 11:49 pm

Another fast candidate, easy to route because flat underneath (intrados) : Aquila9.3 smoothed and x0.8 = Aquila7.4
Airfoiltools.com allow to slim airfoil sections down using the "Airfoil plotter" menu on the left.

http://airfoiltools.com/airfoil/details ... quilasm-il
Aquila9.3 and 7.4  smoothed.png
Aquila9.3 and 7.4 smoothed.png (11.38 KiB) Viewed 642 times

vakiter
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Re: Plywood surf foil wing

Postby vakiter » Wed May 06, 2020 7:01 pm

inspired by this thread, i made a plywood wing based off of stringy wing, which i really like. i made it a little longer le to te for more area, probably thicker overall, and added a slight anhedral to try and increase yaw-stability. i didnt go wider because i do a lot of shallow-water starts.

rode it on the LF setup , and i really like it. feels very similar to stringy, but slower top end and earlier planing.
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