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Is this a kiteboard or wall art?

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Benson
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Is this a kiteboard or wall art?

Postby Benson » Sat Jun 04, 2022 8:12 pm

I made this board about thirteen years ago. It's pine, walnut, wood glue and tung oil, 141cm x 42cm and about 1.5cm thick in the middle with thin 50/50 rails all around.

It works okay as a flatwater skimboard if I wear shoes, but I don't know what it would do with a kite. I've read that alaia boards with similar construction have broken when kited.

If the shape is worth working with, I could plane down to bare wood and glue on some crossgrain veneer as others have done, but I don't entirely understand when a kiteboard would be under more stress than a skimboard, aside from hard landings. Maybe waterstarts?
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downunder
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Re: Is this a kiteboard or wall art?

Postby downunder » Sun Jun 05, 2022 1:52 pm

Art.

When glassed on top and bottom, its not ;)

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edt
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Re: Is this a kiteboard or wall art?

Postby edt » Sun Jun 05, 2022 3:16 pm

fins make skim boards like the above so much easier to ride. Up to you. I wouldn't glass it, already pretty heavy. When you ride a board like that with a kite without fins it gets very slippery and hard to control. Boards don't have to be that strong unless you have straps on it and are boosting. Strapless boards are under much less stress than a strapped board.

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Re: Is this a kiteboard or wall art?

Postby alpaia » Sun Jun 05, 2022 5:55 pm

I agree,

I had built a "tiki" for kiting : like an alaia, with a steam bent nose rocker and a center fin.

Varnished and not glassed, heavy enough already.

Worked great but split after a wave session, it was strong enough for flat water and strapless.

I put cross grain ash veener 2 times 0.9mm at both ends after recessing with a router.

Fin is really useful as soon as there is a little chop othrwise it is skidding.

No issues since then.

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Re: Is this a kiteboard or wall art?

Postby alpaia » Sun Jun 05, 2022 6:10 pm

Board split... quick fix to kite again :naughty:
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alpaia
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Re: Is this a kiteboard or wall art?

Postby alpaia » Sun Jun 05, 2022 6:15 pm

All good after cross grain veener reinforcement, under nose and tail :bye:
And no more playing in waves with that heavy liability ....
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Benson
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Re: Is this a kiteboard or wall art?

Postby Benson » Sun Jun 05, 2022 11:47 pm

Thanks for the ideas. I found the "TT rails" thread and an interview with Mark Shinn about fin placement. I was hoping to use the fins from my Asylum but it looks like most twintip and wake fins are made for a rockered surface. My wood board is completely flat except for 10cm at each end.
alpaia wrote: All good after cross grain veener reinforcement, under nose and tail :bye:
And no more playing in waves with that heavy liability ....
Great to know that works. I've been thinking of making a laminated tiki from two layers of 10mm birch plywood, but I think it would weigh 50% more than spruce of the same thickness. What kind of fin did you use?

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Re: Is this a kiteboard or wall art?

Postby edt » Sun Jun 05, 2022 11:55 pm

100% you can use twin tip fins on a surfboard or skim type board I've done it before it's all up to you don't let the rules that other people tell inhibit your own creativity
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alpaia
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Re: Is this a kiteboard or wall art?

Postby alpaia » Thu Jun 23, 2022 10:23 pm

No rule limiting you indeed, go all the way with your creativity. :thumb:
The curve in tt fins is easy to sand flat to fit your board.
I reshaped a broken windsurfing fin and threaded it,
Works but not worth the hassle, it was to add a greenwashing recycling touch to the project.

Glueing 2 layers of plywood like 10mm would be nice to build in the rocker, but heavy as you said.

I have built boards with 2 layers of 3mm poplar plywood and pu glue sandwiching xps core.
No scratch resistance so i ended up glassing them, very light but not simple nor green.

I am guessing 2 skins of 4mm birch plywood with a light skeleton would work with varnish only.
You could have the skins glued together at the tips to have flex, and just add an approx 10mm frame at the center where the board needs stiffness, tapering down the thickness gradually towards the tips. Using strips of lighter wood like spurce, one for each rail and others across, many small strips evenly spaced. Would still be possible to put in the rocker when glueing it together.
The tiki would be about 6kg I think, so average.
(Approx 1m2 x 2 skins, birch 700kg/m3, 4mm so 2.8kg/m2, light frame, varnish... about 6kg, decent)

What do you think ?

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Re: Is this a kiteboard or wall art?

Postby Trent hink » Fri Jun 24, 2022 6:02 pm

If you have 2-screw fins or the higher quality one-screw fins, where you can remove the studs, just tape a piece of 60 grit sandpaper down on the approximate mounting spot and grind them down to match the rocker.

I used to do it all the time to get wakeboard fins to fit properly on the low-rocker kiteboards I built.

Benson wrote:
Sun Jun 05, 2022 11:47 pm
Thanks for the ideas. I found the "TT rails" thread and an interview with Mark Shinn about fin placement. I was hoping to use the fins from my Asylum but it looks like most twintip and wake fins are made for a rockered surface. My wood board is completely flat except for 10cm at each end.
alpaia wrote: All good after cross grain veener reinforcement, under nose and tail :bye:
And no more playing in waves with that heavy liability ....
Great to know that works. I've been thinking of making a laminated tiki from two layers of 10mm birch plywood, but I think it would weigh 50% more than spruce of the same thickness. What kind of fin did you use?


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