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True, Bob:<br>
And, I suggest that immersion in fuel wouldn't cause any problems to
speak of, I believe it to be the combination of fuel/air in the engine
that does the damage, along with fuel by-products. So, if the bearings
were submerged in a jar of fuel for any period of time, I believe
they'd be lovin'it. (Southern Term!<G><br>
Bill Glaze<br>
<br>
Bob Pastorello wrote:<br>
<blockquote type="cite"
cite="mid01cd01c3bc0b$3a3d8bc0$5da26144@oemfu7ig3a7fro">
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<div><font face="Arial" size="2">Good point, Bill.</font></div>
<div><font face="Arial" size="2"> Does anyone KNOW if the "brass
corrosion"/conversion into acetic acid is the REAL deal? How can we
find out?</font></div>
<div><font face="Arial" size="2"> Wouldn't it be bizarre if the
corrosion on bearings issue was due to something like this?</font></div>
<div><br>
Bob Pastorello, Oklahoma<br>
NSRCA 199, AMA 46373<br>
<a href="mailto:rcaerobob@cox.net">rcaerobob@cox.net</a><br>
<a href="http://www.rcaerobats.net">www.rcaerobats.net</a></div>
<div> </div>
<div> </div>
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<div
style="font-family: arial; font-style: normal; font-variant: normal; font-weight: normal; font-size: 10pt; line-height: normal; font-stretch: normal; font-size-adjust: none;">-----
Original Message ----- </div>
<div
style="background: rgb(228, 228, 228) none repeat scroll 0%; -moz-background-clip: initial; -moz-background-inline-policy: initial; -moz-background-origin: initial; font-family: arial; font-style: normal; font-variant: normal; font-weight: normal; font-size: 10pt; line-height: normal; font-stretch: normal; font-size-adjust: none;"><b>From:</b>
<a title="billglaze@triad.rr.com"
href="mailto:billglaze@triad.rr.com">Bill Glaze</a> </div>
<div
style="font-family: arial; font-style: normal; font-variant: normal; font-weight: normal; font-size: 10pt; line-height: normal; font-stretch: normal; font-size-adjust: none;"><b>To:</b>
<a title="discussion@nsrca.org" href="mailto:discussion@nsrca.org">discussion@nsrca.org</a>
</div>
<div
style="font-family: arial; font-style: normal; font-variant: normal; font-weight: normal; font-size: 10pt; line-height: normal; font-stretch: normal; font-size-adjust: none;"><b>Sent:</b>
Saturday, December 06, 2003 9:48 AM</div>
<div
style="font-family: arial; font-style: normal; font-variant: normal; font-weight: normal; font-size: 10pt; line-height: normal; font-stretch: normal; font-size-adjust: none;"><b>Subject:</b>
Re: Fuel/Water, Bearing/Rust</div>
<div><br>
</div>
Bob:<br>
You might want to take a look at the plated clunks occasionally, I've
had the plating break down, (possibly from vonstant vibratory contact
with the bottom of the fuel tank) and then the brass begins to
corrode. Bill Glaze<br>
<br>
Bob Pastorello wrote:<br>
<blockquote cite="mid003601c3bb37$d6717120$5da26144@oemfu7ig3a7fro"
type="cite">
<pre wrap="">Also, most clunks I've seen lately aren't brass-looking. They apparently
are plated and look shiny-brite metal. I've drilled some of them, to find
they're brass underneath. So that sort of begs the question, WHY would fuel
tank manufacturers add the expense of plating a KLUNK ??
My Mintor setup has no brass that I can see; it will be interesting to
see how this goes. Has an MK tank, aluminum tubes, nylon tees in lines.
Plated clunk in the tank.
Bob Pastorello, Oklahoma
NSRCA 199, AMA 46373
<a class="moz-txt-link-abbreviated" href="mailto:rcaerobob@cox.net">rcaerobob@cox.net</a>
<a class="moz-txt-link-abbreviated" href="http://www.rcaerobats.net">www.rcaerobats.net</a>
----- Original Message -----
From: "Brian Young" <a class="moz-txt-link-rfc2396E"
href="mailto:b4598070@yahoo.com"><b4598070@yahoo.com></a>
To: <a class="moz-txt-link-rfc2396E" href="mailto:discussion@nsrca.org"><discussion@nsrca.org></a>
Sent: Friday, December 05, 2003 7:45 AM
Subject: RE: Fuel/Water, Bearing/Rust
</pre>
<blockquote type="cite">
<pre wrap="">Cant remember if the fuel needed the water in it to
break down into acetic acid..anyone recall? ;0
I have had older brass clunks corrode the nipple off
at the end of the tubing.....I have noticed the little
green brass particles plugging up the ports on some of
my engines....always wondered why they used the brass
for this stuff. I use plastic or aluminum if I can,
and steel clunk if available.
--- Dwayne & Nancy <a class="moz-txt-link-rfc2396E"
href="mailto:dwaynenancy@cox.net"><dwaynenancy@cox.net></a> wrote:
</pre>
<blockquote type="cite">
<pre wrap="">Bob, Joe said that blaming water in the fuel as the
cause of bearing
rust was a "folk tale". The cause was the fuel
decomposing into acetic
acid (vinegar). The decomposition is caused by the
catalytic effect of
the brass components inside the fuel tank. Joe
tried leaving bearings
in several brands of fuel for four months without
any rust forming. You
should read the magazine more carefully. You can't
tell when something
valuable with show up. <VBG> Dwayne
-----Original Message-----
From: <a class="moz-txt-link-abbreviated"
href="mailto:discussion-request@nsrca.org">discussion-request@nsrca.org</a>
[<a class="moz-txt-link-freetext"
href="mailto:discussion-request@nsrca.org">mailto:discussion-request@nsrca.org</a>]
On Behalf Of Bob Pastorello
Sent: Thursday, December 04, 2003 8:25 PM
To: <a class="moz-txt-link-abbreviated"
href="mailto:discussion@nsrca.org">discussion@nsrca.org</a>
Subject: Re: Fuel/Water, Bearing/Rust
Okay - Matt - since my MA already found it's way to
the shredder....
WHAT did he say about rust protection?
Bob Pastorello, Oklahoma
NSRCA 199, AMA 46373
<a class="moz-txt-link-abbreviated" href="mailto:rcaerobob@cox.net">rcaerobob@cox.net</a>
<a class="moz-txt-link-abbreviated" href="http://www.rcaerobats.net">www.rcaerobats.net</a>
----- Original Message -----
From: <a class="moz-txt-link-abbreviated"
href="mailto:Rcmaster199@aol.com">Rcmaster199@aol.com</a>
To: <a class="moz-txt-link-abbreviated"
href="mailto:discussion@nsrca.org">discussion@nsrca.org</a>
Sent: Thursday, December 04, 2003 6:11 PM
Subject: Fuel/Water, Bearing/Rust
The diatribe of the last week or so on this list has
been, shall we say,
rather........ interesting, (except for the news
about Kirk Gray, that's
plain sad). It's time for something new.
In this month's Model Aviation, Joe Wagner talks
about experiments he
has run with a trusty old engine. He ran baseline
performance data with
his regular fuel and then he added water in his fuel
to see how badly
performance would be affected. His results where
very interesting. Shall
we say that he made chopped meat out of that "sacred
cow".
He also briefly touches on what really is the root
cause of bearing
rust. Even the uninitiated should find that
interesting. Could a
solution to all of your OS bearing woes be this
simple?
There, that ought to whet your whistle.
Matt K
</pre>
</blockquote>
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