13 SKIS Building proces

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dvollebregt
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Joined: Fri Jul 26, 2013 2:27 am

13 SKIS Building proces

Post by dvollebregt » Sat Sep 07, 2013 1:14 am

Hi all,

I'm new here, i'm from the Netherlands, Amsterdam. A few weeks ago I decided to build my own skis. In this topic I will post the progress!

I will probably ask some questions here and there :D

Duco

First design:
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Wood:
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Working on logo:
Image[/img]

dvollebregt
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Post by dvollebregt » Mon Sep 09, 2013 2:34 am

We started building the mold and profiler...

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Image :) :D

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vinman
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Post by vinman » Mon Sep 09, 2013 3:10 am

Are you vac pressing or pneumatic?

The vertical rise in the tail of your mold might be and issue for getting a bladder to conform and creating adequate pressure.

If it is vac it might not be as much of an issue.
Fighting gravity on a daily basis
www.Whiteroomcustomskis.com

skidesmond
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Post by skidesmond » Mon Sep 09, 2013 3:17 am

Vin I agree, that bend in the tail is very steep. The Tip/tail blocks height maybe to high also for a pneumatic style press. A hose probably is not going to bend enough to fill the space. But a vac press might.

dvollebregt
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Post by dvollebregt » Wed Sep 11, 2013 7:31 am

We're pressing with a vacuum pump. The tail isn't that long as seen in the mold. We will make it less steep. Thanks for the tips!



:)

dvollebregt
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Post by dvollebregt » Sun Sep 22, 2013 8:49 am

This week finished the mold and the profiler table :D

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dvollebregt
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Post by dvollebregt » Mon Sep 30, 2013 2:23 am

Another weekend... (for profiler table used design from loganimlach, works perfect!)

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dvollebregt
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Post by dvollebregt » Tue Nov 26, 2013 1:29 pm

The layup! Time lapse!

http://vimeo.com/80411068

:D

PowderKing
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Post by PowderKing » Tue Nov 26, 2013 2:58 pm

Ziet er goed uit! Gefeliciteerd!!! Snel testen :D
Building skis when there ain't no pow!

skidesmond
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Post by skidesmond » Tue Nov 26, 2013 4:56 pm

Nice video. Don't forget to give us a write-up on how they skied.

dvollebregt
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Post by dvollebregt » Wed Jan 11, 2017 12:38 am

So finally a review of the skis :D

We skied them for 3 seasons, this is the fourth. On average 4 weeks per season. Currently the back seems to wear and the edges are almost gone.

Skis work great off piste, ok on piste and good within moguls.
Pleased with this set!

Now preparing for making a new ones, however I would want to make them not as heavy. Maybe I will try other core material.

Keep you posted!

dvollebregt
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Post by dvollebregt » Sat Sep 23, 2017 11:20 am

New season, new skis, new techniques.

Cores to start with:
- B-Cores 200/250
- Palownia
- Bamboo

Flax and UD

New vacuum layup based on 333/community skis. Now building base mold and flexible mold for layup.

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Last edited by dvollebregt on Wed Oct 04, 2017 7:55 am, edited 1 time in total.

SleepingAwake
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Post by SleepingAwake » Wed Oct 04, 2017 6:31 am

I do not understand what's going on in your second picture, could you elaborate?

dvollebregt
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Post by dvollebregt » Wed Oct 04, 2017 8:17 am

We use the design from community skis.

https://www.youtube.com/watch?v=ml5mJhhFJYI&t=1071s

Check movie min. 24 and on. We made a double mold, let's see what happens. We hope to make first pair this weekend. Depending on resin to arrive on time.

:D

First layups

UD carbon
Flax 350
BCore
Flax 350
UD carbon

Triax 600 underfoot
Triax 600
Bamboo
Triax 600
Triax 600 underfoot
Last edited by dvollebregt on Wed Oct 04, 2017 9:04 am, edited 1 time in total.

skidesmond
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Post by skidesmond » Wed Oct 04, 2017 8:53 am

On your first layup, put the carbon next to the wood core and the flax over the carbon. Idk how much of a difference it makes but that's what I was told. Also in experiments that I've done having carbon between the flax makes the carbon more resistance to breaking... kind of makes it a bit more supple and lets it bend more before breaking. My 2 cents.

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