Document your personal work here. Show photos, movies, and share your secrets.
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dvollebregt
Posts: 23 Joined: Fri Jul 26, 2013 2:27 am
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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
Duco
First design:
Wood:
Working on logo:
[/img]
vinman
Posts: 1389 Joined: Fri Nov 09, 2007 4:16 pm
Location: The tin foil isle
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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.
skidesmond
Posts: 2338 Joined: Tue Apr 07, 2009 3:26 pm
Location: Western Mass, USA
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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
Posts: 23 Joined: Fri Jul 26, 2013 2:27 am
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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!
PowderKing
Posts: 20 Joined: Mon Feb 08, 2010 6:21 am
Location: Davos CH and Laren NL
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by PowderKing » Tue Nov 26, 2013 2:58 pm
Ziet er goed uit! Gefeliciteerd!!! Snel testen
Building skis when there ain't no pow!
skidesmond
Posts: 2338 Joined: Tue Apr 07, 2009 3:26 pm
Location: Western Mass, USA
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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
Posts: 23 Joined: Fri Jul 26, 2013 2:27 am
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by dvollebregt » Wed Jan 11, 2017 12:38 am
So finally a review of the skis
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
Posts: 23 Joined: Fri Jul 26, 2013 2:27 am
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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.
Last edited by
dvollebregt on Wed Oct 04, 2017 7:55 am, edited 1 time in total.
SleepingAwake
Posts: 175 Joined: Mon Oct 11, 2010 11:06 pm
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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
Posts: 23 Joined: Fri Jul 26, 2013 2:27 am
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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.
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
Posts: 2338 Joined: Tue Apr 07, 2009 3:26 pm
Location: Western Mass, USA
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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.