[NRVR-Members] Glassing - Best suppliers for peel ply?

[Kevin Paar]

I'm preparing to do tip-to-tip glass on a 38mm minimum-diameter build. 
My plan is to attempt vacuum bagging, not so much because it's needed, 
but because I want to figure out how to do it.

I was planning to order from Fiberglast until I saw these references to 
US Composites and The Composites Store. Those are much appreciated. They 
look to be a bit cheaper, especially with shipping, and The Composites 
Store looks much more in-tune with model builders as opposed to 
production-scale work.

One question I could use some help with...for an application like this, 
what weight of cloth should be used? I'm guessing 2oz, but having not 
done it before I'm lacking a point of reference.

Thanks,
Kevin

> Thomas Tweeks Weeks <mailto:tom at theweeks.org>
> September 25, 2018 at 12:59 AM
>
> Yeah.. I was looking at Fiberglast Bob.. but they are a bit more $$. 
> And Jordan turned me on to US Composites (who I hear actually produces 
> all West Systems stuff):
>
> http://www.uscomposites.com/vacuum.html
>
> (suggestions welcome)
>
> I haven't had a real need to bag anything yet.  Most of my projects 
> are fairly small, and since I'm doing this tip-to-tip job.. I'm 
> thinking about just doing peel ply, some bleeder (purely for 
> absorption) and maybe sand bagging for constant pressure (since I 
> don't have a vacuum bag setup, and doing it on partial a tip-to-tip 
> seems like a pain).
>
> Comments/suggestions welcome though.
>
> Tweeks
>
> On Sunday, September 23, 2018 7:22pm, "Bob Schoner" 
> <bob.schoner at gmail.com> said:
>
> I have done vacuum bagging of plywood fins but before they were 
> installed. I used Teflon peel ply which is expensive but works really 
> well. I did a sandwich of plywood fiberglass peel ply and bleeder 
> cloth. I’ve used Fiberglast but there are other options.
>
> Bob
>
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> Bob Schoner <mailto:bob.schoner at gmail.com>
> September 23, 2018 at 7:22 PM
> I have done vacuum bagging of plywood fins but before they were 
> installed. I used Teflon peel ply which is expensive but works really 
> well. I did a sandwich of plywood fiberglass peel ply and bleeder 
> cloth. I’ve used Fiberglast but there are other options.
>
> Bob
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> David Bloom <mailto:dwskb at att.net>
> September 23, 2018 at 1:37 PM
> Forgot to mention if you are not familiar with them go to The 
> Composites Store for much info and materials on what you are doing.
> --------------------------------------------
> On Sun, 9/23/18, David Bloom <dwskb at att.net> wrote:
>
> Subject: Re: [NRVR-Members] Glassing - Best suppliers for peel ply?
> To: "NRV Rocketry Members" <nrvr-members at server2.nrvr.org>
> Date: Sunday, September 23, 2018, 1:13 PM
>
> I thought you were using plywood?  Recall my
> fins vibrated into shreds due to large size.  Are you
> reinforcing plywood with carbon fiber or are the fins
> fiberglass?  How many layers and are you doing anything
> special to reduce vibration?
> --------------------------------------------
> On Sat, 9/22/18, Thomas Tweeks Weeks
> <tom at theweeks.org>
> wrote:
>
> Subject: [NRVR-Members] Glassing -
> Best suppliers for peel ply?
> To: "nrvr-members at nrvr.org"
> <nrvr-members at nrvr.org>
> Date: Saturday, September 22, 2018,
> 11:44 PM
>
> Doing
> a non-bagged (probably just
> weighted)  fin, CF, tip to
> tip job on my 5.5" Black Brant.. and
> need some
> supplies. I'm using West Systems and a
> course weave CF
> (not for looks.. it's just what I
> have).
>
> Also.. I would love to hear discussion
> on preferences of the
> various types of peel ply.  The nylon
> kind,
> plastic/rayon/paper kinds, or the kind
> the red lines in
> it..
>
> Do
> you use bleeder cloth (for catching
> excess epoxy)?
>
> Tweeks
>
>
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