<br><font size=2 face="sans-serif">Wayne-o</font>
<br>
<br><font size=2 face="sans-serif">Are you crazy-mon? First, the bottles
are Polyethyl tera phthalate....and are NOT chemical resistant. Let
me provide and example that I know you can understand....BEER.</font>
<br>
<br><font size=2 face="sans-serif">Whether you realize it or not, beer
has alcohol in it. Alcohol is deemed in some parts of my industry as a
"solvent". Other view it as "essential", but thats
another story. Until very recently, did you ever notice that beer NEVER
came in plastic bottles? Even now only beer without any real taste (its
raining beer!) comes in plastic, so they can sell the stuff up north where
the football fans like to throw things at the Dallas Cowboys. Shrinkage
comes from one of two things, first you swam in the cold water way too
long, or second you leached out what is reffered to as a "plasticizer".
A plasticizer is an additive that allows the grocery store idiot to drop
that bottle of coke without explosion. It also is the stuff that you just
ran thru your engine. When it croaks, or when your glow plug croaks you
will now have an obvious reason.</font>
<br><font size=2 face="sans-serif">Beer uses ethyl alcohol, we use Methyl,
which is much more aggressive as a solvent. Our real fuel tanks are made
from polypropylene, which is VERY chemical resistant in is un-plasticized
form. As a matter of fact, if you buy Methyl alcohol, it comes in polypropylene
drum, because it will corrode steel. As a matter of fact most fuel comes
in polypropylene containers.....ones with steel cans have an epoxy coating
in them.</font>
<br>
<br><font size=2 face="sans-serif">And now to debunk another myth........the
above plastics are "thermoplastic" epoxy is "thermoset".
Epoxy (thermosets) does not get brittle with age, unless you the
user add some crap to it. 5 minute stuff WILL as it is accidently
plasticized by all the stuff used to jack up the reaction.</font>
<br>
<br><font size=2 face="sans-serif">And one last thing.......... Beer +
Plastic = bad taste, and as my Chemistry 101 professor so diligently demonstrated
in mathimatical terms, you should never drink light beer.....Instead, drink
a real beer, followed by 10.52 ounces of water, then a real beer and another
10.52 ounces of water. Your caloric intake will be the same as 4 light
beers, but at least you got to drink 2 real beers. </font>
<br><font size=2 face="sans-serif"><br>
<br>
<br>
Gray Fowler<br>
Principal Chemical Engineer<br>
Composites Engineering</font>
<br>
<br>
<br>
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<td width=40%><font size=1 face="sans-serif"><b>"wgalligan" <wgalligan@cnbcom.net></b>
</font>
<br><font size=1 face="sans-serif">Sent by: discussion-request@nsrca.org</font>
<p><font size=1 face="sans-serif">07/25/2005 09:54 PM</font>
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<div align=center><font size=1 face="sans-serif">Please respond to<br>
discussion@nsrca.org</font></div></table>
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<td>
<div align=right><font size=1 face="sans-serif">To</font></div>
<td><font size=1 face="sans-serif"><discussion@nsrca.org></font>
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<td>
<div align=right><font size=1 face="sans-serif">cc</font></div>
<td>
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<td>
<div align=right><font size=1 face="sans-serif">Subject</font></div>
<td><font size=1 face="sans-serif">Re: Coke Bottle Fuel Tank</font></table>
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<td></table>
<br></table>
<br>
<br>
<br><font size=2><tt>I am using Cool Power 15% and my bottle is still the
same size as when I<br>
installed. Must be the componants of the fuel your using.
Interesting non<br>
the less.<br>
<br>
Wayne<br>
<br>
<br>
----- Original Message -----<br>
From: "Don Ramsey" <don.ramsey@cox.net><br>
To: <discussion@nsrca.org><br>
Sent: Monday, July 25, 2005 9:27 PM<br>
Subject: Re: Coke Bottle Fuel Tank<br>
<br>
<br>
> Wayne,<br>
><br>
> The one I got from you has shrunk as much as mine did. Quess
it's the Mag<br>
> 2. I'll get it back to you in Lubbock.<br>
><br>
> Don<br>
><br>
> ----- Original Message -----<br>
> From: "Wayne Galligan" <wgalligan@goodsonacura.com><br>
> To: <discussion@nsrca.org><br>
> Sent: Monday, July 25, 2005 6:09 PM<br>
> Subject: Coke Bottle Fuel Tank<br>
><br>
><br>
> > Well I have to say I had a grand time at my first NATS.
Something I<br>
> > dreamed about going to since reading about it when it was in
Lake<br>
Charles<br>
> > LA<br>
> > back in the 70's I believe. I got initiated with the proverbial<br>
> > mechanical<br>
> > issues that never seem to be a problem at local contests and
then I was<br>
> > nearly DQ'd for not being ready at the line(read the lineup wrong)
but<br>
> > made<br>
> > it with 10 sec's to spare.<br>
> ><br>
> > The Coke bottle fuel tank got a lot of talk and Don Ramsey ended
up<br>
> > getting<br>
> > my spare. This was Todd Blose and B.W. Ponders idea from
last years<br>
NATS<br>
> > to<br>
> > save making weight. I expanded on this by using the rubber
stopper and<br>
> > back<br>
> > from my Du-Bro tank and just screwing it to the regular cap Seems
he<br>
used<br>
> > one of the water bottle variety and it is obviously made of a
different<br>
> > plastic then the Coke bottle. Don's bottle was actually
shrinking.<br>
After<br>
> > a<br>
> > dead stick on his final maneuver and just barely making it back
to the<br>
> > runway he discovered he was out of fuel. On further review
he noticed<br>
his<br>
> > tank had shrunk quite a bit. The one I have in my plane
is almost 4<br>
> > weeks<br>
> > old and is holding its shape OK. Good news is its just
a matter of<br>
> > polishing off another Coke and rinsing out the bottle to replace
it.<br>
> ><br>
> > Nice to put faces with all the posts.<br>
> ><br>
> > Smooth Flying...<br>
> ><br>
> > Wayne Galligan<br>
> > NSRCA 3582 D6 ADV.<br>
> ><br>
> ><br>
> > =================================================<br>
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> > and follow the instructions.<br>
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> ><br>
><br>
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><br>
><br>
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