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To:  lml@lancaironline.net
Date: Tue, 22 Nov 2011 11:56:17 -0500
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From: "Gordon Porter" <ghp@trustedwealthadvisors.com>
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Subject: RE: [LML] Re: Window Bonding
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Amen.

When I was at builders assist in 12/07, we accidentally drilled all 3 side
window (ex door) for the wing bolts and washers used to hold the windows in
place for bonding.  We noticed our error before bonding and the engineers
were consulted regarding the now several holes in each of the plexi windows.


Even with Lancair absorbing the cost of the mistake, the engineers'
recommendation was a solid do-over with new windows not drilled.  That
probably says a lot.

Gordon

N144GP ES

soon.....

-----Original Message-----
From: Bruce [mailto:BGray@glasair.org] 
Sent: Monday, November 21, 2011 8:29 AM
To: lml@lancaironline.net
Subject: RE: [LML] Re: Window Bonding

Please don't ever drill plexiglas if you can avoid it.

Bruce
WWW.Glasair.org 

-----Original Message-----
From: Lancair Mailing List [mailto:lml@lancaironline.net] On Behalf Of
Bob Smiley
Sent: Sunday, November 20, 2011 6:58 PM
To: lml@lancaironline.net
Subject: [LML] Re: Window Bonding

Suggestion;

I assume you sanded the plexiglass to provide some tooth for hysol
bonding.
100 or lower grit. Another idea is drill holes through the plexiglass in
the
bonding area to allow hysol squeeze through and mechanical bonding on
the
back side.  I also incidently applied a two bid fiberglass over the
plexiglass bonding area and about 1/12 inches on the fuselage sidethus
capturing the glass.

Hope this helps out.

Bob Smiley
360 94RJ


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