<br><font size=2 face="sans-serif">acetone, mek, lacquer thinner, etc. Then lightly sand with 180-220<br>
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<br>
<br>
Gray Fowler<br>
Principal Chemical Engineer<br>
Composites Engineering</font>
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<td><font size=1 face="sans-serif"><b>"Anthony Romano" <anthonyr105@hotmail.com></b></font>
<br><font size=1 face="sans-serif">Sent by: discussion-request@nsrca.org</font>
<p><font size=1 face="sans-serif">07/03/2003 08:45 AM</font>
<br><font size=1 face="sans-serif">Please respond to discussion</font>
<br>
<td><font size=1 face="Arial"> </font>
<br><font size=1 face="sans-serif"> To: discussion@nsrca.org</font>
<br><font size=1 face="sans-serif"> cc: </font>
<br><font size=1 face="sans-serif"> Subject: RE: [Pattern] CF pipe repair</font></table>
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I do have some Zpoxy finishing resin and glass at the house if that would be <br>
better. What is best for cleaning the surface?<br>
<br>
Anthony<br>
<br>
>From: "Gray E Fowler" <gfowler@raytheon.com><br>
>Reply-To: discussion@nsrca.org<br>
>To: discussion@nsrca.org<br>
>Subject: RE: [Pattern] CF pipe repair<br>
>Date: Thu, 3 Jul 2003 08:18:38 -0500<br>
><br>
>You do not need carbon fiber, fiberglass will work fine. A light weave<br>
>will be the easiest to wrap around the stinger, use several layers of<br>
>light fabric as opposed to one heavy layer. JB weld is not so great but<br>
>may be the best stuff that you have acess to. The stinger does not get<br>
>overly hot so JB stuff may be fine. In reality most finishing resins have<br>
>the same temp resistance as JB weld and will wet the fabric much easier.<br>
><br>
><br>
><br>
>Gray Fowler<br>
>Principal Chemical Engineer<br>
>Composites Engineering<br>
><br>
><br>
><br>
><br>
>"Anthony Romano" <anthonyr105@hotmail.com><br>
>Sent by: discussion-request@nsrca.org<br>
>07/03/2003 08:04 AM<br>
>Please respond to discussion<br>
><br>
><br>
> To: discussion@nsrca.org, rickwallace45@hotmail.com<br>
> cc:<br>
> Subject: RE: [Pattern] CF pipe repair<br>
><br>
><br>
><br>
>That was what I planning just need to find some CF that I can use. Any<br>
>other<br>
>suggestions?<br>
><br>
><br>
> >From: "Rick Wallace" <rickwallace45@hotmail.com><br>
> >To: <anthonyr105@hotmail.com><br>
> >Subject: RE: [Pattern] CF pipe repair<br>
> >Date: Wed, 2 Jul 2003 22:01:42 -0400<br>
> ><br>
> >Hi, Anthony --<br>
> >Does this mean we've found something in the woods??? I hope so!<br>
> ><br>
> >I repaired a cracked ESkorepa CF pipe with JB weld and uniweb, which<br>
> >is a thin non directional carbon fiber product. (It's the only kind of<br>
> >carbon fiber I have / had in the shop)<br>
> >Anyway, here's how it went<br>
> >-cleaned it all up w/ alcohol and maybe acetone<br>
> >-saturated the carbon cloth with JB Weld<br>
> >-Coated the crack and surrounding area with JB weld<br>
> >-Put the patch in place making sure there was full contact-- a couple<br>
> >wraps of the carbon cloth as I recall<br>
> >-Wrapped that with clear plastic (a la Monokote backing)<br>
> >- taped that solidly to maintain good pressure<br>
> ><br>
> >Left the shop.<br>
> ><br>
> >The repair lasted 50+ flights, and when the midair happened, the<br>
> >repaired section was unbroken -- the pipe DID break 6" on either side of<br>
> >the repair.<br>
> ><br>
> >Hope this helps!<br>
> ><br>
> >Are you planning on coming down this way anytime this weekend? Still<br>
> >thinking about bbq'ing at the field one day this weekend.<br>
> >Probly won't be Friday = that'll be annother building day for the Focus.<br>
> ><br>
> ><br>
> >Good luck!<br>
> ><br>
> >Rick<br>
> ><br>
> ><br>
> > > -----Original Message-----<br>
> > > From: pattern-admin@rcmailinglists.com [mailto:pattern-<br>
> > > admin@rcmailinglists.com] On Behalf Of Anthony Romano<br>
> > > Sent: Wednesday, July 02, 2003 12:45 PM<br>
> > > To: pattern@rcmailinglists.com<br>
> > > Subject: [Pattern] CF pipe repair<br>
> > ><br>
> > > I need to repair an ES pipe that has the stinger cracked pretty badly<br>
> > > right<br>
> > > at the base. What would be the best material, technique, adhesive etc.<br>
> > ><br>
> > > TIA<br>
> > ><br>
> > > Anthony<br>
> > ><br>
> > > _________________________________________________________________<br>
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