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

Thomas Tweeks Weeks tom at theweeks.org
Mon Sep 24 23:59:56 CDT 2018


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 ]( 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

On Sun, Sep 23, 2018 at 1:38 PM David Bloom <[ dwskb at att.net ]( mailto:dwskb at att.net )> wrote: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 ]( mailto: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 ]( mailto: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 ]( mailto:tom at theweeks.org )>
  wrote:

   Subject: [NRVR-Members] Glassing -
  Best suppliers for peel ply?
   To: "[ nrvr-members at nrvr.org ]( mailto:nrvr-members at nrvr.org )"
  <[ nrvr-members at nrvr.org ]( mailto: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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