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Pocket board building

Here you can exchange your experience and datas about your home build boards
TomW
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Re: Pocket board building

Postby TomW » Sat Dec 05, 2020 5:32 pm

Hej Downunder,

This is inspiring me. Im going to get a table saw. Haven't looked at buying one in 20 years. Cheap now.
My plan is to make 3mm skins, 10mm rails , and foam core. Solid wood around foil plate.
you think i need uni d carbon for reinforcement?

I'm thinking through how to make thicker rails and taper them before bonding everything together.

merl
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Re: Pocket board building

Postby merl » Sat Dec 05, 2020 6:17 pm

I reckon there are a thousand ways to make over complicated or over built paulownia boards (I've made one of each). I recon that you are just as well off with a simple 80g cloth on wood. Maybe a bit of extra in front of the plate. It will come out at around 2.5kg or less. But would not be as much fun to build I guess.

BalsaMichel
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Re: Pocket board building

Postby BalsaMichel » Sat Dec 05, 2020 11:03 pm

downunder wrote:
Sat Dec 05, 2020 4:35 pm
...Paulownia with really fine FG, ie 80-100 grams is super strong and looks natural. It will outlast all foam builds, or even wood core builds like ...
Bad news for the Paulownia built+80-100g/sqm is that it will be outperformed of a 150g/sqm 0°carbon/foam sandwich with a much higher lenghtwise stiffness of factor 2.5 at least! This is for 18mm core thickness both.

Good news is that it´s not all about stiffness (-> impact resistance for example). But I would rethink this critically for a more heavy rider with one of those surf foils underneath the board.

Twintip with 0/90°carbon layup is a total different story as you can´t compare the core thickness to foilboards.

Micha

Edit: Certainly 150g/sqm 0° is only for calculation, of course some +/-45° fibre for e.g. is mandatory too

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downunder
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Re: Pocket board building

Postby downunder » Sun Dec 06, 2020 2:23 am

There are many many TT construction foil boards out there. Duotone one I used the other day was just horrible, it sinks, its bulky, did not like it at all. We really do not need big and bulky boards.

45 is not needed as well, I think ;) No forces in that direction.

Tom, sure, uni cant hurt:
IMG_26112020_142825_(1280_x_720_pixel).jpg
2.5kg, does not sink. 20 SS inserts.

I could use 4mm foam and only wood skins outside, however, 4mm foam is $180 a sheet.

PaulWood is cheap. This build is about $30 or less.

Wbrussow
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Re: Pocket board building

Postby Wbrussow » Sun Dec 06, 2020 7:57 am

This is me not taking it too seriously. 20 minutes with a jigsaw and a hand plane. 4 T-nuts from the hardware store and I have a 20 dollar board. Didn’t even seal it.
Also pictured is his lil brother, still a fetus.
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043EBB7A-751B-4BFE-9AEA-5CC46A945738.jpeg

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downunder
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Re: Pocket board building

Postby downunder » Sun Dec 20, 2020 3:11 am

Very good vid:





It really is more Planet friendly in my books than using a foam.

I would only drill heaps of inserts positions and after glassing the top would slap epoxy with a peel ply to get that fantastic grip.

All together, a couple of hours work.

Enjoy

Matty V
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Re: Pocket board building

Postby Matty V » Wed Dec 30, 2020 11:05 pm

downunder wrote:
Mon Nov 09, 2020 8:16 am
IMG_31102020_224334_(1080_x_1920_pixel).jpg

IMG_09112020_151458_(1280_x_720_pixel).jpg

Absolutely.

Cant be more 'greaner' than this...
Is that some of that eco carbon fibre you are using?

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downunder
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Re: Pocket board building

Postby downunder » Thu Dec 31, 2020 6:33 am

Matty V wrote:
Wed Dec 30, 2020 11:05 pm
downunder wrote:
Mon Nov 09, 2020 8:16 am
IMG_31102020_224334_(1080_x_1920_pixel).jpg

IMG_09112020_151458_(1280_x_720_pixel).jpg

Absolutely.

Cant be more 'greaner' than this...
Is that some of that eco carbon fibre you are using?
No.

Tom alteady answered this.

Here:
viewtopic.php?f=107&t=2387451

290ml of epoxy. Let us know how much u used?

If u knew carbon and foam prices we pay, u would think twice...I guess its cheap in the US, just like everything. Gas, power, whatever...

dericcio2
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Re: Pocket board building

Postby dericcio2 » Fri Jan 01, 2021 9:09 pm

I have designed them and printed with 3D printer.
Already used in my garagemade volume board.
here you can download the file and print it

https://www.thingiverse.com/thing:4705551/files

enjoy it
grandeand wrote:
Mon Apr 06, 2020 8:47 pm
guys, did anyone ever think about putting lanes for straps?
obviously more useful in tables with very little volume.
the anchors used for surfboards are 3 cm deep, and they do not fit into the pawlonia board which is only 18mm ...
in your opinion, how are those tracks from the north made? Material?

TomW
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Gong Veloce M, 100cm carbon mast
Ozone Hyperlink V1 7m
Hyperlink V2 9m, 13m
Concept Air Wave 4,5m
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Re: Pocket board building

Postby TomW » Thu Jan 07, 2021 11:02 pm

Foam cored wood board almost done. Going to oil it.
20210107_230105-COLLAGE.jpg


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