Today's Message Index:
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0. 12:10 AM - Make Sure You're Listed! List of Contributors Published in December! (Matt Dralle)
1. 06:32 AM - Fuel Tank Swelling (Mark Fox)
2. 04:06 PM - Re: Fuel Tank Swelling (barrynorman@comcast.net)
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| Subject: | Make Sure You're Listed! List of Contributors Published |
in December!
Dear Listers,
The List of Contributors (LOC) is just around the corner! In December I post a
list of everyone that so generously made a Contribution to support the Lists.
Its my way of publicly thanking everyone that took a minute to show their appreciation
for the Lists.
Won't you take minute and assure that your name is on the upcoming LOC? Tell others
that you appreciate the Lists. Making a Contribution to support the Lists
is fast and easy using your Visa, MasterCard, or Paypal account:
http://www.matronics.com/contribution
Or, by dropping a personal check in the mail to:
Matronics / Matt Dralle
581 Jeannie Way
Livermore CA 94550
I would like to thank everyone that has so generously made a Contribution thus
far during this year's List Fund Raiser! Remember that its YOUR support that
keeps these Lists running and improving! Don't forget to include a little comment
about how the Lists have helped you!
Thank you!
Matt Dralle
Matronics Email List Administrator
Message 1
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| Subject: | Fuel Tank Swelling |
I asked the group this about 8 -10 months ago. One person responded with a
similar problem (he had no fiberglass tape on the inside only micro from
the factory...mine has glass tape), but I was wondering if anyone else has
seen it lately,
My Pulsar XP is 16 years old. It was in Utah for 12 years with no problems
and in Florida the last 4. The tanks appear to be swelling and changing
shape somewhat, although they do not leak. The entire tank has changed
texture on the outside (orange peel that was not there before) and I can
see lines where the bond lines are.
I thought maybe it was the ethanol in the fuel. I have stopped using any
fuel with ethanol for the last year hoping it would stop the progression,
but is has not.
I guess my only choice is to pull the wings, sand off the paint in the tank
area, put some additional fiberglass on the outside and try to re-seal the
inside of the tank.
Has anyone tried to re-seal the inside of the tank ? Is there a way to etch
or prep the old rubber PR77 sealant without trying to scrap it all off ?
Scrapping it seems impossible due to access only via the end plates.
Thanks
Message 2
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| Subject: | Re: Fuel Tank Swelling |
Mark,
=C2-
I had a similar problem with mine over the course of seven years where the
tanks appeared to swell a little causing irregularities in the surface of t
he wing where it met the spar and where there were internal baffles. I agre
e with you, it might be the result of the ethanol expanding the structural
adhesive in those areas. I have a Pulsar III and the tanks were=C2-sealed
at the factory=C2-with Jeffcoat. There was one area where it had cracked
and that was=C2-the small built up area over the flap return spring. I
=C2- scraped it clean and used Poly-sulfide to seal it.
=C2-
I'm not sure how you=C2-can reseal=C2-what you have unless you use a ch
emical to remove it or etch for a new coating. I would talk to the manufact
urer of the sealer for the best approach.
=C2-
I just=C2-fixed the outside of the wings cosmetically using normal body w
orking products and repainted. For now, they look great but wouldn't be sur
prised to see them show imperfections in the future.
=C2-
I had pretty much ignored it until one wing started to leak from the end pl
ate and then finally fixed it all.
=C2-
Barry=C2-
----- Original Message -----
From: "Mark Fox" <saafbusiness@gmail.com>
Sent: Wednesday, November 14, 2012 9:32:01 AM
Subject: Pulsar-List: Fuel Tank Swelling
I asked the group this about 8 -10 months ago. One person responded with a
similar problem (he had no fiberglass tape on the inside only micro from th
e factory...mine has glass tape), but I was wondering if anyone else has se
en it lately,
My Pulsar XP is 16 years old. It was in Utah for 12 years with no problems
and in Florida the last 4. The tanks appear to be swelling and changing sha
pe somewhat, although they do not leak. The entire tank has changed texture
on the outside (orange peel that was not there before) and I can see lines
where the bond lines are.=C2-
I thought maybe it was the ethanol in the fuel. I have stopped using any fu
el with ethanol for the last year hoping it would stop the progression, but
is has not.
I guess my only choice is to pull the wings, sand off the paint in the tank
area, put some additional fiberglass on the outside and try to re-seal the
inside of the tank.
Has anyone tried to re-seal the inside of the tank ? Is there a way to etch
or prep the old rubber PR77 sealant without trying to scrap it all off ? S
crapping it seems impossible due to access only via the end plates.
====
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