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PostPosted: Tue Apr 30, 2013 6:30 am 
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Joined: Wed Jan 05, 2011 8:05 am
Posts: 613
Location: Geneva, Switzerland
saddle looks great, congrats.
Would you show the profile of the saddle left to right, how flat or dome-shaped it is?
About at the level of the sit bones. Thanks!


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Posted: Tue Apr 30, 2013 6:30 am 
  • berk composites Lupina carbon saddle padded (3mm foam and leather) 132mm round rails 7mm
  • 235 EUR
  • IN STOCK
  • Price includes 19% V.A.T. which will be deducted when goods are leaving the EU. Shipping costs may be added.


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PostPosted: Thu May 02, 2013 7:43 pm 
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Carbon Cowboy
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Joined: Sat Sep 04, 2010 7:20 pm
Posts: 1118
Location: Slovenia
Hi, glad to hear that you like it! In general it's very similar to an Selle Italia SLR saddle.

Otherwise I already made another new prototype saddle shell - only 27.5g:
Image

Image

I calculated that the saddle rails should weight around 35g, and I'll have to experiment a bit more with those saddle shells. I'll make some new prototypes that will be a bit more reinforced (~35g saddle shell) and test them,..I'll keep you updated.

Otherwise there are still some small problems with the saddle rails moulds (it has to be a bit redesigned), but it will be soon redesigned and then hopefully it will soon go in process...I'll also make a wider (142mm) saddle shell at the same time when the saddle rails moulds will be made, I'll keep you updated!

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Berk PROTO-TYPE Composites - Handmade In Slovenia
Berk Composites
http://www.berk-composites.com/
info(a)berk-composites.com


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PostPosted: Thu May 02, 2013 8:45 pm 
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Posts: 491
Location: USA
That's a work of art :) Looking forward to seeing this project move forward.

Are the rails going to be round 7mm (eg Dash) or eliptical (eg Selle Italia)?

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PostPosted: Thu May 02, 2013 10:12 pm 
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Carbon Cowboy
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Joined: Sat Sep 04, 2010 7:20 pm
Posts: 1118
Location: Slovenia
Thanks for the compliments!

It will be completely round (7mm :thumbup: ) to avoid any possible problems with the clamping mechanism.

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Berk PROTO-TYPE Composites - Handmade In Slovenia
Berk Composites
http://www.berk-composites.com/
info(a)berk-composites.com


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PostPosted: Fri May 03, 2013 12:14 am 
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Joined: Mon May 30, 2005 7:13 am
Posts: 1536
Thats amazing! Boom!


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PostPosted: Fri May 03, 2013 8:33 pm 
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Joined: Fri Apr 29, 2011 5:40 pm
Posts: 16
amazing work as usual and thanks for sharing detailed photos of the process! Very interesting stuff


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PostPosted: Sat May 04, 2013 10:51 pm 
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Carbon Cowboy
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Joined: Sat Sep 04, 2010 7:20 pm
Posts: 1118
Location: Slovenia
No problem, I give my best to keep you updated as much as possible. And thanks for all your comments, really appreciate that! Otherwise any opinions, thoughts etc. are welcome and we can discuss it here.

In the next few days I'll design the wider saddle (I'll make it ~142mm) and hopefully also the moulds for the saddle rails will be then ok - it also has to be a bit redesigned. It's already the third time when we had to put our heads together with GorjupDesign to solve the problem, so in the next few days we'll meet again and hopefully finally made all the work that has to be done that it will work on the CNC machine...can't wait to make some more progress, I'll for sure keep you updated!

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Berk PROTO-TYPE Composites - Handmade In Slovenia
Berk Composites
http://www.berk-composites.com/
info(a)berk-composites.com


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PostPosted: Sun May 05, 2013 3:21 am 
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Joined: Tue Apr 19, 2011 10:07 pm
Posts: 129
Now that's lookin good!!! You surely have great work!

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PostPosted: Sun May 05, 2013 5:46 am 
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Joined: Sun Jun 10, 2012 1:11 am
Posts: 1164
berk.. that is really sexy. what width will you have it available in? 130, 143, 155mm?


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PostPosted: Mon May 06, 2013 10:54 pm 
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Carbon Cowboy
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Joined: Sat Sep 04, 2010 7:20 pm
Posts: 1118
Location: Slovenia
Thanks!
I already have the 130mm mould, and I'll make also a wider saddle (~142mm).

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Berk PROTO-TYPE Composites - Handmade In Slovenia
Berk Composites
http://www.berk-composites.com/
info(a)berk-composites.com


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PostPosted: Tue May 07, 2013 2:11 am 
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Joined: Sun Jun 10, 2012 1:11 am
Posts: 1164
i have a small butt with wide seatbone.. go figures... but would like to see it in 155mm. :)


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PostPosted: Tue May 07, 2013 5:34 am 
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in the industry
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Posts: 554
Location: Insjön, SWEDEN
Why did you choose Innegra over Aramid/Kevlar?

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PostPosted: Tue May 07, 2013 10:23 am 
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Carbon Cowboy
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Location: Slovenia
I choose it because it has similar properties than kevlar, and when you cut/sand the composite product that has innegra (instead of kevlar) the edges won't "scuff" that much, if you know what I mean.

And it's something new - didn't saw yet any saddle that would use that fabric, I also really like the look of it. I also love to experiment with different materials etc.,..I'll see how it will turn out once I finish the first prototype saddles.

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Berk PROTO-TYPE Composites - Handmade In Slovenia
Berk Composites
http://www.berk-composites.com/
info(a)berk-composites.com


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PostPosted: Tue May 07, 2013 10:32 am 
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in the industry
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Joined: Fri Sep 23, 2005 6:34 pm
Posts: 554
Location: Insjön, SWEDEN
I don´t like sanding on kevlar at all, it will be bulbous and not cut clean with sand paper as you said. Cut it with scissors is OK but not sanding.

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Experimental Prototype


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Posted: Tue May 07, 2013 10:32 am 
  • berk composites Lupina carbon saddle padded (3mm foam and leather) 132mm round rails 7mm
  • 235 EUR
  • IN STOCK
  • Price includes 19% V.A.T. which will be deducted when goods are leaving the EU. Shipping costs may be added.


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PostPosted: Tue May 07, 2013 12:12 pm 
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Carbon Cowboy
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Joined: Sat Sep 04, 2010 7:20 pm
Posts: 1118
Location: Slovenia
Kevlar really isn't nice to work with, there are also less problems with innegra while cutting/preparing the material. Otherwise innegra is more expensive than kevlar, well of course it depends from the quality you get. But I'm almost sure that I won't use kevlar anymore in products like these,.. I also get some other new materials to experiment with, but will tell more about it as soon as I manage to use it in some products.

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Berk PROTO-TYPE Composites - Handmade In Slovenia
Berk Composites
http://www.berk-composites.com/
info(a)berk-composites.com


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