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My New Year board build!

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downunder
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Re: My New Year board build!

Postby downunder » Mon Jan 12, 2015 8:41 am

Thanks

I don't know how much. Because of this, I never glass the bottom at the same time and if there is a 100% springback ( and I did have that on a few boards), I would glass the top again with more rocker on a table.
The two layers board is an good compromise tho.

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Re: My New Year board build!

Postby downunder » Mon Jan 09, 2017 2:13 pm

After one year going really strong! (GOD, IT'S TWO YEARS, I SEE THAT NOW :)

Enough said about durability, using it 99% on my time (except when riding Monk, or a skim :) And that is (for the last year only, realizing now:):
Fri Jan 22, 2016
1s, 12m, Peli, skim
Mon Jan 25, 2016
1s, 12m, Peli, skim
Wed Feb 3, 2016
Peli, 1s, 12m, 20-25kn
Fri Feb 12, 2016
Peli, 1s, 12m, 20-25kn
Fri Feb 19, 2016
Peli, 1s, 8+12m, 20-25SE
Tue Feb 23, 2016
Peli, 0.5s, 12m, 20kn
Wed Feb 24, 2016
Peli, 1s, 8m, 20kn
Thu Feb 25, 2016
Peli, 1.5s, 12m, 20-25kn
Tue Mar 1, 2016
Peli, 1s, 12m, 20-25kn
Thu Mar 3, 2016
Peli, 1s, 8m, 20-25kn
Fri Mar 4, 2016
Peli, 1s, 8m, 20-25kn
Thu Mar 10, 2016
Peli, 0.5s, 11m, 15kn
Fri Mar 11, 2016
Peli, 0.5s, 11m, 25kn
Tue Mar 22, 2016
Peli, 0.15s, 11m, 15kn SE
Sun Mar 27, 2016
Peli, 1s, 11m, 20kn SE
Tue Mar 29, 2016
Peli, 0.5s, 11m, 15-17kn
Sun Apr 10, 2016
Peli, 0.5s, 11m, 15-20kn, SE
Fri Apr 15, 2016
Peli, 0.5s, 11m, 15-20kn
Tue Apr 19, 2016
Peli, 1s, 11m, 15-18kn
Wed Apr 20, 2016
Peli, 1s, 11m, 20kn
Sat May 7, 2016
Peli, 1s, 20-30kn, 8,11m
Sat May 28, 2016
Peli, 1s, 12-18kn, 11m
Sat Jun 4, 2016
Peli, 1s, 15-20kn, 11m
Sun Aug 28, 2016
Peli, 1s, 25-30kn, 11m
Wed Aug 31, 2016
Peli, 1s, 20-25kn, 11m
Sun Sep 11, 2016
Peli, 1.5s, 20kn, 11m
Mon Sep 12, 2016
Peli, 1s, 20kn SE, 11m
Tue Sep 13, 2016
Peli, 1s, 17-25kn SE, 11m
Fri Sep 16, 2016
Peli, 1s, 15-20kn, 11m
Fri Sep 23, 2016
Peli, 0.5s, 15kn, 11m
Mon Sep 26, 2016
Peli, 0.45s, 15kn, 11m
Sun Oct 9, 2016
Peli, 2.5s, 20kn, 11m
Mon Oct 10, 2016
Peli, 1s, 17-20kn, 9+11m
Sat Oct 15, 2016
Peli, 2s, 20-30kn, 9+11m
Sun Oct 16, 2016
Peli, 1s, 15-20kn, 11m
Mon Oct 17, 2016
Peli, 1s, 18-22kn, 11m
Thu Oct 20, 2016
Peli, 1.5s, 20-25kn, 11m
Thu Oct 27, 2016
Peli, 1s, 18-22kn, 11m
Sat Oct 29, 2016
Peli, 0.5s, 18-25kn, 11m
Sun Oct 30, 2016
Peli, 1.5s, 20-27kn, 11m
Wed Nov 2, 2016
Peli, 1.5s, 11m, 18-22kn
Mon Nov 7, 2016
Peli, 0.45s, 11m
Fri Nov 11, 2016
Peli, 1s, 11m, 18-20kn
Sat Nov 12, 2016
Peli, 1s, 11m, 18-22kn
Thu Nov 17, 2016
Peli, 1.5s, 11m, 20kn
Fri Nov 18, 2016
Peli, 1s, 11m, 17-20kn
Sat Nov 19, 2016
Peli, 1s, 11m, 18022kn, Monk
Sun Nov 20, 2016
peli, 1.5s, 22-27kn, 9+11m
Wed Nov 23, 2016
Peli, 0.5s, 15kn, 11m
Mon Nov 28, 2016
Peli, 0.45s, 18-20kn, 11m
Wed Nov 30, 2016
Peli, 0.45s, 20-23kn, 11m
Thu Dec 1, 2016
Peli, 1.5s, 18-22kn, 11m
Mon Dec 5, 2016
Peli, 1s, 20kn, 11m
Tue Dec 6, 2016
Peli, 1s, 20kn, 11m
Thu Dec 8, 2016
Peli, 0.45s, 15-18kn, 11m
Fri Dec 9, 2016
Peli, 1s, 20-15kn, 11m
Mon Dec 12, 2016
Peli, 0.45s, 15-25kn, 11m, Monk
Tue Dec 13, 2016
Peli, 1s, 22-26kn, 11m, Monk
Sat Dec 17, 2016
Peli, 1s, 15-10kn, 11m
Sun Dec 18, 2016
Peli, 1.5s, 22-130kn, 9+11m
Thu Dec 22, 2016
Peli, 1s, 20-23kn, 11m
Fri Dec 23, 2016
Peli, 1s, 20kn, 11m
Sun Dec 25, 2016
Peli, 1s, 20-25kn, 11m
Tue Dec 27, 2016
Peli, 1s, 25-32kn, 9m
Wed Dec 28, 2016
Peli, 2s, 20-25-30kn, 11m
Thu Dec 29, 2016
Peli, 1s, 20kn, 11m
Fri Dec 30, 2016
Peli, 1s, 25-30kn, 9m
Sun Jan 1, 2017
Peli, 1s, 16-20kn, 11m
Mon Jan 2, 2017
Peli, 1s, 15-20kn, 9+11m
Fri Jan 6, 2017
Peli, 20-25kn, 11m
Sat Jan 7, 2017
Peli, 1s, 20-25kn, 9m
Sun Jan 8, 2017
Peli, 0.5s, 20kn, 9m

Pics taken on 07th Jan 2017! Thanks Lajo!
IMG_1392.resized.JPG
IMG_1126.resized.JPG
IMG_1127.resized.JPG
IMG_1069.resized.JPG
IMG_0797.resized.JPG
IMG_0640.resized.JPG
IMG_1076.resized.JPG
IMG_0676.PNG
IMG_0676.PNG (104.81 KiB) Viewed 2816 times
As seen, the board survived 2.22km of jumps, or 578 jumps over only one year, averaging ~4m jumps.

The board is fast, very fast. I rekon due to it's size. But, it's light hence a bit bouncy, maybe even skate-ish. It's nice for board-offs.

Some riders like it, some don't. Being a 120cm it suits a smaller rider, that is. The bigger fins makes a difference. I can 'dig' in a lot, almost never loose the edge. On a hight speed tho, I have no strength in my legs to hold it. Someone stronger would, but not me.

What I would add is a bit more concave. Maybe I'll build exactly the same one so I can compare. Anyways, I have other builds in a queue, will see.

Enjoy!

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Re: My New Year board build!

Postby icedub » Fri Sep 08, 2017 4:10 am

I've checked out both of your awesome builds and the one thing I haven't seen or figured out is what your rocker table looks like! Is it something you built? I'd love to see more details on it.

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Re: My New Year board build!

Postby downunder » Fri Sep 08, 2017 4:33 am

Hi ice

I've got a lot more on here:

http://downunderbloghr.blogspot.com.au

and here:

http://boardbuilders-forum.1077691.n5.nabble.com/

What is the rocker table? :D I'm using just a piece of 5mm perspex sheet on top of two milk trays with an alu beam secured with two clamps. And some wood underneath to bend a sheet.
Can't be simpler and cheaper than that. All sourced from the recycling yard.

Did see a lot of DIY board builders going in lengths with building a rocker table. No need with wood. Wood will always bend how it wants, the table is just 'helping' to bend 'enough'.

For me, there is more satisfaction with building something with almost no special tooling than anything else! Than, no regret when not using it :)


First clamps:

Image

More refined rocker:

Image

Done:

Image



Concave? What is a concave? :) I'm just using some balsa with plastic on top not to stick to anything under the board. More thin balsa sheets under, the bigger the concave. Again, the wood will bend as it wants, it is all approximate, not exact science.

Remember, I never ever glass the bottom on the rocker table. No need. I glass the bottom when the board is bent as I like it. And that is top glassing only. Than I put the board with a bottom glass in a vac bag only. I've seen so many wrinkled glass on bottom, not on my builds :)

Good luck!

D.

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Re: My New Year board build!

Postby Europ2 » Wed Dec 11, 2019 12:47 pm

To illustrate all of this, the excellent videos from Downunder :wink: :

Kiteboard template, how to trace/check the board outline:
How to add a pre made PU rails to kiteboard core:
How to make a PU kiteboard rails scarf joint:
The board structure Paulownia, carbon, fiberglass and Zebra wood:
Testing the finished kiteboard flex:

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Re: My New Year board build!

Postby fluidity » Sun Dec 29, 2019 2:00 am

Nice board!
Just one note, with the fins so close to the end of the board it may suck air into the back of the fins a bit too easily?

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Re: My New Year board build!

Postby downunder » Sun Dec 29, 2019 10:43 am

Not sure,

Some of the most expensive boards, like this CF, have fins very close to the end.

For this one, I drilled the 3rd fin hole to be able to move it per rider request:
37DE56CA-7EA5-468E-80D5-08866B121529.jpeg


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