[NSRCA-discussion] Epoxy Question

Scott Anderson scott at rcfoamy.com
Thu Nov 22 08:06:19 AKST 2007


Aaawwww poor Mark..lol....

go grab a beer ... cheers..

scott
----- Original Message ----- 
From: "Atwood, Mark" <atwoodm at paragon-inc.com>
To: "NSRCA Mailing List" <nsrca-discussion at lists.nsrca.org>
Sent: Thursday, November 22, 2007 11:52 AM
Subject: Re: [NSRCA-discussion] Epoxy Question


> Am I the only guy stuck peeling potatoes???
> 
> Beer has potential though...
> 
> Happy T-Day everyone.
> 
> -----Original Message-----
> From: nsrca-discussion-bounces at lists.nsrca.org
> [mailto:nsrca-discussion-bounces at lists.nsrca.org] On Behalf Of Scott
> Anderson
> Sent: Thursday, November 22, 2007 12:02 PM
> To: NSRCA Mailing List
> Subject: Re: [NSRCA-discussion] Epoxy Question
> 
> yep that is the same way as Dennis Hunt does it, I learned from him, the
> 
> only difference is we tape the wood together with small pieces of clear
> tape 
> (foam side) then us a sealer on the wood, and let dry. Then squeegee on
> the 
> polyglue and make it just damp, or not tacky when touched. carbon is
> added 
> to wood side and a bit more  poly glue over that area.. then like said
> mist 
> the foam and line up wood and foam, the difference is we use a vacuum
> bag 
> system and let dry 4-6 hrs.. very strong no failures to date, and easy
> to 
> work with.
> Just my 2 cents, back to the shop and building, oh yeah time for a
> beer..
> 
> Scott 529
> ----- Original Message ----- 
> From: "george w. kennie" <geobet at gis.net>
> To: "NSRCA Mailing List" <nsrca-discussion at lists.nsrca.org>
> Sent: Thursday, November 22, 2007 11:44 AM
> Subject: Re: [NSRCA-discussion] Epoxy Question
> 
> 
>> Jim,
>> The stuff is extremely easy to use. Squeegee it on the skins in the
> same 
>> way
>> you do the epoxy. There's no need to hurry, it doesn't flash off on
> you 
>> the
>> way epoxy does.I have a small bottle filled with H2O that has a
> spraycap
>> fitted and I just lightly mist the cores before attaching the skins.I
> have
>> two pieces of  2'x4'x3/4" chipboard that I use, one beneath and one on
> top
>> of the shucks. On top of the top board I place two Cement Blocks. The 
>> blocks
>> weigh 42 pounds apiece and the chipboard is probably another 15-20
>> additional pounds. Sounds like a lot, but the results are super. If
> you 
>> try
>> this method, you will probably not go back to epoxy.I think the bond
> is
>> stronger and the U migration into the foam strengthens the foam
> yielding a
>> stiffer wing. The weight is probably the critical factor as the
> expansive
>> forces of the glue are significant.
>> Good Luck,
>> Georgie
>>
>>
>>
>>
>> ----- Original Message ----- 
>> From: "J N Hiller" <jnhiller at earthlink.net>
>> To: "NSRCA Mailing List" <nsrca-discussion at lists.nsrca.org>
>> Sent: Wednesday, November 21, 2007 4:28 PM
>> Subject: Re: [NSRCA-discussion] Epoxy Question
>>
>>
>>>I have been reluctant to try it thinking I would screw it up. How much
> do
>>> you put on? How much weight is needed to contain the expansion.
>>> Jim Hiller
>>>
>>> -----Original Message-----
>>> From: nsrca-discussion-bounces at lists.nsrca.org
>>> [mailto:nsrca-discussion-bounces at lists.nsrca.org]  On Behalf Of
> wgalligan
>>> Sent: Wednesday, November 21, 2007 1:14 PM
>>> To: NSRCA Mailing List
>>> Subject: Re: [NSRCA-discussion] Epoxy Question
>>>
>>> If this question was raised as a method for skinning wings, then why
> not
>>> use
>>> urethane glue. One part, spreads easy and cures hard and quickly with
>>> plain
>>> ole 02moisture.  Gives ample working time and unlike epoxy will
> expand
>>> with
>>> moisture to fill voids and between foam beads.  Available at local
>>> hardware
>>> stores and less expensive.
>>>
>>> Seems like a no-brainer to me.
>>>
>>> Wayne Galligan
>>>
>>> ----- Original Message -----
>>> From: "J N Hiller" <jnhiller at earthlink.net>
>>> To: "NSRCA Mailing List" <nsrca-discussion at lists.nsrca.org>
>>> Sent: Wednesday, November 21, 2007 2:00 PM
>>> Subject: [NSRCA-discussion] Epoxy Question
>>>
>>>
>>>> Thin Epoxy? I have been using "HOBBYPOXY SMOOTH 'N' EASY" epoxy 
>>>> finishing
>>>> resin to skin foam wings, spreading it with a scrap balsa squeegee.
> It
>>>> has
>>>> ample working time and is thinner than glue. Is this OK? I have had
> no
>>>> problems using it on unsealed skins at about one ounce per 800
> square
>>>> inches. I need to try sealing the skins on my next build.
>>>> Jim Hiller
>>>>
>>>>
>>>>
>>>
>>>
>>>
> ------------------------------------------------------------------------
> ----
>>> ----
>>>
>>>
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>>>>
>>>
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