Today's Message Index:
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1. 10:44 AM - Re: Pulsar-List Digest: 1 Msgs - 06/13/17 (Mark Fox)
2. 11:18 AM - Re: Re: Pulsar-List Digest: 1 Msgs - 06/13/17 (BARRY NORMAN)
Message 1
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| Subject: | Re: Pulsar-List Digest: 1 Msgs - 06/13/17 |
Barry,
I had a similar problem a couple years ago where the ethanol basically
warped the tanks. It did not get into the bond-line that you are talking
about thankfully.
I had to reshape the tanks with bondo and glass :(((
As far as sealing the inside, I chose to lightly sand the inside of the
current sealant and re-coat it with the BUNA N Slosh as you said
https://www.aircraftspruce.com/catalog/appages/bunan.php
So far is works great. I am not sure if you need to sand the inside ...I
was told by someone you did. That was the hardest part because obviously if
you sand through the fiberglass from the inside of the tank...your done :(
I ended up testing 20 different techniques OUTSIDE of the tank so I
wouldn't screw it up.
In the end the drywall corner painter with sandpaper glued to it (the one
in the left side of the 2 part image) with a telescoping paint pole allowed
me to sand most of the inside...then I had to just build a ball of
sandpaper and get the corners.
Now applying the slosh......it is awkward flipping the wing over and up and
down (especially by yourself:( ...bottom line is you can't get full
coverage..but you can see the spots it misses.
The go in and apply the BUNA with a brush to the remaining spots My main
fear was the BUNA and having bristles be pulled out of the brushes etc and
stay stuck in tank. This fear is justified....It is not so much a slush as
it is tar...especially as it starts to thicken up.
In the end, believe it or not a wine glass cleaner worked best (attached)
duck taped to the same telescoping pole to get the spots the original slosh
mixed.
Here are some instructions some else gave me where they cut holes..I didnt
need/want to....BUT the end plate fix for leakage is a must if you have not
done it already...as my tanks had slight leaks on the end plates for 18
years before I did it :(
Again all is good right now with the way I did it.
If you have any questions...call me 321-626-4786
Thanks
Mark L. Fox
On Wed, Jun 14, 2017 at 3:00 AM, Pulsar-List Digest Server <
pulsar-list@matronics.com> wrote:
> *
>
> =================================================
> Online Versions of Today's List Digest Archive
> =================================================
>
> Today's complete Pulsar-List Digest can also be found in either of the
> two Web Links listed below. The .html file includes the Digest formatted
> in HTML for viewing with a web browser and features Hyperlinked Indexes
> and Message Navigation. The .txt file includes the plain ASCII version
> of the Pulsar-List Digest and can be viewed with a generic text editor
> such as Notepad or with a web browser.
>
> HTML Version:
>
> http://www.matronics.com/digest/digestview.php?Style
> 82701&View=html&Chapter 17-06-13&Archive=Pulsar
>
> Text Version:
>
> http://www.matronics.com/digest/digestview.php?Style
> 82701&View=txt&Chapter 17-06-13&Archive=Pulsar
>
>
> ===============================================
> EMail Version of Today's List Digest Archive
> ===============================================
>
>
> ----------------------------------------------------------
> Pulsar-List Digest Archive
> ---
> Total Messages Posted Tue 06/13/17: 1
> ----------------------------------------------------------
>
>
> Today's Message Index:
> ----------------------
>
> 1. 10:26 AM - Tank Sealant (BARRY NORMAN)
>
>
> ________________________________ Message 1
> _____________________________________
>
>
> Time: 10:26:37 AM PST US
> From: BARRY NORMAN <barrynorman@comcast.net>
> Subject: Pulsar-List: Tank Sealant
>
> I'm still having problems with tank seepage near the end plates where is
> looks
> like the fuel is finding it's way out through very small passageways in
> the fiberglass
> or connection points. I use PRO-SEAL FUEL TANK SEALANT on the end plates
> and I think that works pretty well. I believe the issue is, the epoxy used
> to glue the leading edge to the spars at the factory was affected by
> ethanol
> in the fuel which caused it to expand and crack all along the attachment
> point
> on the spar. You can see the malformation on the outside of the wing where
> it
> was exposed to the fuel and expanded. I believe fuel is traveling down
> these
> cracks and creating small leaks. There is a product called PR-1005-L
> BUNA-N-SLOSH
> COATING sold by aircraft spruce that I'm thinking about using to coat the
> cracks in the epoxy at the attachment points. Has anyone used this sealer
> and
> have information on it's effectiveness? I believe the structural
> attachment of
> the leading edge to the spar is still very sound bu
> t want to stop anymore expose to fuel if I can.
>
>
> I'm also finishing up an update to the panel which includes 2 GRT Horizon
> HX displays
> and a new Stratus Mode S transponder that will make the plane ADS-B
> compliant.
> Hope to have it all ready to go by reunion time.
>
>
> Cheers,
>
> Barry Norman
>
>
Message 2
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| Subject: | Re: Pulsar-List Digest: 1 Msgs - 06/13/17 |
Thanks for you're very detailed response. I can't sand the interior of the
tanks because it has baffles installed on the Pulsar III. I am pleased you
were happy with the product. I think it will work well to just fill the cr
ack and seal the Hysol. There are corners cut out on the baffles big enoug
h for the sealer to flow through in the corners next to the spar.
I was beginning to think no one used this forum anymore. =F0=9F=98=84
Thanks again,
Barry
> On June 14, 2017 at 1:43 PM Mark Fox <saafbusiness@gmail.com> wrote:
>
> Barry,
>
> I had a similar problem a couple years ago where the ethanol basicall
y warped the tanks. It did not get into the bond-line that you are talking
about thankfully.
>
> I had to reshape the tanks with bondo and glass :(((
>
> As far as sealing the inside, I chose to lightly sand the inside of t
he current sealant and re-coat it with the BUNA N Slosh as you said
>
> https://www.aircraftspruce.com/catalog/appages/bunan.php
>
> So far is works great. I am not sure if you need to sand the inside .
..I was told by someone you did. That was the hardest part because obviousl
y if you sand through the fiberglass from the inside of the tank...your don
e :(
>
> I ended up testing 20 different techniques OUTSIDE of the tank so I w
ouldn't screw it up.
>
> In the end the drywall corner painter with sandpaper glued to it (the
one in the left side of the 2 part image) with a telescoping paint pole al
lowed me to sand most of the inside...then I had to just build a ball of sa
ndpaper and get the corners.
>
> Now applying the slosh......it is awkward flipping the wing over and
up and down (especially by yourself:( ...bottom line is you can't get full
coverage..but you can see the spots it misses.
>
> The go in and apply the BUNA with a brush to the remaining spots My m
ain fear was the BUNA and having bristles be pulled out of the brushes etc
and stay stuck in tank. This fear is justified....It is not so much a slush
as it is tar...especially as it starts to thicken up.
>
> In the end, believe it or not a wine glass cleaner worked best (attac
hed) duck taped to the same telescoping pole to get the spots the original
slosh mixed.
>
> Here are some instructions some else gave me where they cut holes..I
didnt need/want to....BUT the end plate fix for leakage is a must if you ha
ve not done it already...as my tanks had slight leaks on the end plates for
18 years before I did it :(
>
> Again all is good right now with the way I did it.
>
> If you have any questions...call me 321-626-4786
>
> Thanks
>
> Mark L. Fox
>
>
>
> On Wed, Jun 14, 2017 at 3:00 AM, Pulsar-List Digest Server <pulsar-li
st@matronics.com mailto:pulsar-list@matronics.com > wrote:
>
> > > *
> >
> > ====================
====
> > Online Versions of Today's List Digest Archive
> > ====================
====
> >
> > Today's complete Pulsar-List Digest can also be found in either
of the
> > two Web Links listed below. The .html file includes the Digest
formatted
> > in HTML for viewing with a web browser and features Hyperlinked
Indexes
> > and Message Navigation. The .txt file includes the plain ASCII
version
> > of the Pulsar-List Digest and can be viewed with a generic text
editor
> > such as Notepad or with a web browser.
> >
> > HTML Version:
> >
> > http://www.matronics.com/digest/digestview.php?Style=8270
1&View=html&Chapter 17-06-13&Archive=Pulsar http://www.matronics.co
m/digest/digestview.php?Style=82701&View=html&Chapter 17-06-13&Arch
ive=Pulsar
> >
> > Text Version:
> >
> > http://www.matronics.com/digest/digestview.php?Style=8270
1&View=txt&Chapter 17-06-13&Archive=Pulsar http://www.matronics.com
/digest/digestview.php?Style=82701&View=txt&Chapter 17-06-13&Archiv
e=Pulsar
> >
> >
> > ====================
==
> > EMail Version of Today's List Digest Archive
> > ====================
==
> >
> >
> > ----------------------------------------------------
------
> > Pulsar-List Digest Archive
> > ---
> > Total Messages Posted Tue 06/13/17: 1
> > ----------------------------------------------------
------
> >
> >
> > Today's Message Index:
> > ----------------------
> >
> > 1. 10:26 AM - Tank Sealant (BARRY NORMAN)
> >
> >
> >
> > ________________________________ Message 1 __________________
___________________
> >
> >
> > Time: 10:26:37 AM PST US
> > From: BARRY NORMAN <barrynorman@comcast.net mailto:barrynorman@
comcast.net >
> > Subject: Pulsar-List: Tank Sealant
> >
> > I'm still having problems with tank seepage near the end plates
where is looks
> > like the fuel is finding it's way out through very small passag
eways in the fiberglass
> > or connection points. I use PRO-SEAL FUEL TANK SEALANT on the e
nd plates
> > and I think that works pretty well. I believe the issue is, the
epoxy used
> > to glue the leading edge to the spars at the factory was affect
ed by ethanol
> > in the fuel which caused it to expand and crack all along the
attachment point
> > on the spar. You can see the malformation on the outside of the
wing where it
> > was exposed to the fuel and expanded. I believe fuel is traveli
ng down these
> > cracks and creating small leaks. There is a product called PR-1
005-L BUNA-N-SLOSH
> > COATING sold by aircraft spruce that I'm thinking about using t
o coat the
> > cracks in the epoxy at the attachment points. Has anyone used t
his sealer and
> > have information on it's effectiveness? I believe the structura
l attachment of
> > the leading edge to the spar is still very sound bu
> > t want to stop anymore expose to fuel if I can.
> >
> >
> > I'm also finishing up an update to the panel which includes 2 G
RT Horizon HX displays
> > and a new Stratus Mode S transponder that will make the plane A
DS-B compliant.
> > Hope to have it all ready to go by reunion time.
> >
> >
> > Cheers,
> >
> > Barry Norman
> >
> >
> >
> > =====================
==============
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ics.com/Navigator?Pulsar-List
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> > b Site -
> > -Matt Dralle, List Admin.
> > rel="noreferrer" target="_blank">http://www.matronics.com/c
ontribution
> > =====================
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> >
> >
> >
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> > >
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