Of course the adhesive bond is the weak link compared to solid fiberglass
or solid sheet metal. But compared to a gaping hole, it helps. An opening
port light is a hole in the fiberglass. A non opening portlight secured
with screws has 4-6-8 attachment points with a small surface area around
the screws to absorb the load. A bonded surface has the entire length of
the bond to absorb the load and restores some of the strength lost by
creating the hole in the side of the cabin top.
-Francois Rivard
1990 34+ "Take Five"
Lake Lanier, Ga
From: dwight veinot <dwight...@gmail.com>
To: Jean-Francois J Rivard/Atlanta/IBM@IBMUS,
"cnc-list@cnc-list.com" <cnc-list@cnc-list.com>
Date: 02/16/2015 07:21 PM
Subject: Re: Stus-List Window Installation - 1985 41
I think the adhesive bond is still the weak link and likely the first part
of the system to fail unless the glass has a defect of some sort in it
Dwight Veinot
C&C 35 MKII, Alianna
Head of St. Margaret's Bay, NS
d.ve...@bellaliant.net
On Mon, Feb 16, 2015 at 1:50 PM, Jean-Francois J Rivard via CnC-List <
cnc-list@cnc-list.com> wrote:
I have not used VHB tape on portlights but I have used it on many other
applications, one was securing my GoPro mount to a slalom ski.. High
vibrations, water, you name it. The stuff is nothing short of
phenomenal.
As for bonded port lights helping with structural integrity, auto
manufacturers have been bonding windshields instead of using rubber
strips for decades.. The main reason is to improve torsional rigidity.
Regards
Francois Rivard
1990 34+ "Take Five"
Lake Lanier, GA
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