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<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Your right Matt,<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>I used to use 50/50 thin Nitrate dope and
it is more expensive and takes much longer to dry then hairspray, but works
real well. <span style='mso-spacerun:yes'> </span>I have switched to using the
cheapest hair spray I can find and spry the skins.<span
style='mso-spacerun:yes'> </span>Lightly sand them and then put the glue on
the skins.<span style='mso-spacerun:yes'> </span>Lightly mist the cores before
applying the skins.<span style='mso-spacerun:yes'> </span>Works great every
time.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Wayne Galligan<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='margin-left:.5in'><font size=2 face=Tahoma><span
style='font-size:10.0pt;font-family:Tahoma'>-----Original Message-----<br>
<b><span style='font-weight:bold'>From:</span></b> discussion-request@nsrca.org
[mailto:discussion-request@nsrca.org] <b><span style='font-weight:bold'>On
Behalf Of </span></b>Rcmaster199@aol.com<br>
<b><span style='font-weight:bold'>Sent:</span></b> Sunday, October 03, 2004
7:57 PM<br>
<b><span style='font-weight:bold'>To:</span></b> discussion@nsrca.org<br>
<b><span style='font-weight:bold'>Subject:</span></b> Re: Applying poly glue</span></font></p>
<p class=MsoNormal style='margin-left:.5in'><font size=3 face="Times New Roman"><span
style='font-size:12.0pt'><o:p> </o:p></span></font></p>
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<div>
<p class=MsoNormal style='margin-left:.5in'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>Hairspraying skins is a good
and light method to seal the wood against things like epoxy and poly-U glue,
controlling the amount of glue absorption into the wood. It is not a good
material to seal against water. Remember that hairsprays are generally
water soluble. If you want to seal against water and keep things as light as
possible, a coat of nitrate dope thinned 50% will work better. Make sure
you let the dope breathe for a couple days before proceeding.<o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal style='margin-left:.5in'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'> <o:p></o:p></span></font></p>
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<p class=MsoNormal style='margin-left:.5in'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>Better yet, do as this gentleman
suggests and use the hairspray to seal the skins but don't water spray
them. Poly-U will still adhere fine except it will not foam up as it cures. As
long as there's some humidity (70%+) in the room, the glue will still polymerise.
<o:p></o:p></span></font></p>
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<p class=MsoNormal style='margin-left:.5in'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'> <o:p></o:p></span></font></p>
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<div>
<p class=MsoNormal style='margin-left:.5in'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>Or you can use epoxy as your
adhesive. My favorite is Pro Set 125 resin with 229 hardener from Gougebn
Bros. It has the lowest viscosity and excellent pot life of over 1 hour. Cure
is 12-24 hours for 80%. Max 100% cure in a week or so<o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal style='margin-left:.5in'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'> <o:p></o:p></span></font></p>
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<p class=MsoNormal style='margin-left:.5in'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>MattK<o:p></o:p></span></font></p>
</div>
<blockquote style='border:none;border-left:solid blue 1.5pt;padding:0in 0in 0in 4.0pt;
margin-left:3.75pt;margin-top:5.0pt;margin-bottom:5.0pt'>
<p class=MsoNormal style='margin-left:.5in'><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>A very easy way to do this is to,
spray the skins , on the side that will<br>
touch the core, with hairspray. Let that dry. Then lightly mist the core and<br>
the skin with water, spread the glue with a credit card or squeegee very<br>
thin but even coating of glue and then press, vacuum or weight them down<br>
overnight and your done.<br>
----- Original Message -----<br>
From: "Scott Smith" <js.smith@verizon.net><br>
To: <discussion@nsrca.org><br>
Sent: Sunday, October 03, 2004 8:43 AM<br>
Subject: Applying poly glue<br>
<br>
<br>
> As we transition into building season...<br>
><br>
> I was wondering, for those who roll polyurethane glue onto the wing skins,<br>
> do you use some sort of rolling pan? Seems like it could get real
messy<br>
and<br>
> hard to clean up!<br>
><br>
> On the other hand, dispensing directly to the skins then spreading with<br>
the<br>
> roller would defeat the purpose...that being a thin even coat.<br>
><br>
> What kind of roller pad are you using?<br>
><br>
> I saw this method of pressing the cores (scroll to bottom):<br>
> http://www.kj-tech.dk/page2.htm<br>
><br>
> Sure beats stacking weights!<br>
><br>
> Thanks for any suggestions,<br>
><br>
> Scott<o:p></o:p></span></font></p>
</blockquote>
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