Today's Message Index:
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1. 04:45 AM - Re: T-88 in the heat (womenfly2)
2. 06:57 AM - Re: Re: T-88 in the heat (Craig Aho)
3. 01:25 PM - Re: Wing rib help! (dgaldrich)
4. 05:26 PM - Re: Wing rib help! (geraldmorrissey)
5. 07:34 PM - Re: Re: making progress on Sky Scout (Ray Krause)
Message 1
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Subject: | Re: T-88 in the heat |
I have done the FAA "Glue Boil Test" using T-88 .... nothing came apart.
An interesting read; From "Construction Notes" Falco Builders Letter." (http://www.seqair.com/skunkworks/Glues/Notes/Notes.html)
WF2
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Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=435905#435905
Message 2
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Subject: | Re: T-88 in the heat |
I also love T-88 easy to use and reliable. I used it on my first Piet as we
ll as my current Piet project. Lately I have been building a boat=2C GLen-L
Sea Knight and have used T-88 on all structural parts.
Craig
> Subject: Pietenpol-List: Re: T-88 in the heat
> From: Love2Fly.KAP@gmail.com
> Date: Fri=2C 19 Dec 2014 04:45:25 -0800
> To: pietenpol-list@matronics.com
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> I have done the FAA "Glue Boil Test" using T-88 .... nothing came apart.
>
> An interesting read=3B From "Construction Notes" Falco Builders Letter."
(http://www.seqair.com/skunkworks/Glues/Notes/Notes.html)
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> WF2
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> http://forums.matronics.com/viewtopic.php?p=435905#435905
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Message 3
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Subject: | Re: Wing rib help! |
Some of you may remember Douwe's FIRST Piet, the one hop wonder. I still think
it was the best looking Piet built in the last 10 years but I digress. We started
repairs on one one wing at Sun N Fun a couple of years ago and discovered
that the gussets on the ribs could be popped off with a pen knife with the wood
left perfectly intact. Not good. The ribs were assembled with casien glue
aka plastic resin. At the time, it was available from AS&S as well as others
even though AC 43-13 cautioned against it. Hopefully Douwe himself will chime
in on the issues it caused and the effort that went into making RePiet
Several years ago, as an experiment, I made test pieces to compare T-88, Resorcinol,
and West Systems. The T-88 was mixed by eye, the Resorcinol by weight and
the West System by volume. I used Sitka cap strip and Okoume gussets to make
a Tee and then slowly applied pressure until something happened. In all cases
except one, the wood failed. The single failure was an improperly built Tee.
It is my opinion the reason the FAA does not list epoxy as "accepted" or "approved"
in 43-13 is because there are so many kinds with wildly differing quality.
I further suspect that none of the manufacturers want to go through hoops to
get their products recognized and then ride the liability tail for 17 years
or whatever it is now. I have a dollar in my pocket that says both T-88 and West
Systems could pass whatever mil or astm spec that applies. If anybody knows
what specific testing is involved, it might be a useful data point.
Dave
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=435919#435919
Message 4
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Subject: | Re: Wing rib help! |
Apparently Weldwood Plastic resin is not a casine glue. It's a ureaformaldehyde
wood glue I may be wrong on this but from what I can tell from a web search
and Weldwoods web page, it's not the same stuff. Also plastic resin has a shelf
life which a lot of people don't know about, must be applied correctly (a little
thick), needs sufficient clamping pressure and can be real messy.
Gerry
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=435925#435925
Message 5
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Subject: | Re: making progress on Sky Scout |
Hi everyone,
The last week has been productive and I have my plane all together and rigge
d. I have the covering material and will start after the New Year. Just a co
uple pictures, if I can add them.
The cowling and other metal work is done, also.
Ray Krause
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