Fuel/Water, Bearing/Rust

[Bill Glaze]

True, Bob:
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>
Bill Glaze

Bob Pastorello wrote:

> Good point, Bill.
>     Does anyone KNOW if the "brass corrosion"/conversion into acetic 
> acid is the REAL deal?  How can we find out?
>     Wouldn't it be bizarre if the corrosion on bearings issue was due 
> to something like this?
>
> Bob Pastorello, Oklahoma
> NSRCA 199, AMA 46373
> rcaerobob at cox.net <mailto:rcaerobob at cox.net>
> www.rcaerobats.net <http://www.rcaerobats.net>
>  
>  
>
>     ----- Original Message -----
>     From: Bill Glaze <mailto:billglaze at triad.rr.com>
>     To: discussion at nsrca.org <mailto:discussion at nsrca.org>
>     Sent: Saturday, December 06, 2003 9:48 AM
>     Subject: Re: Fuel/Water, Bearing/Rust
>
>     Bob:
>     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
>
>     Bob Pastorello wrote:
>
>>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
>>rcaerobob at cox.net
>>www.rcaerobats.net
>>
>>
>>----- Original Message ----- 
>>From: "Brian Young" <b4598070 at yahoo.com>
>>To: <discussion at nsrca.org>
>>Sent: Friday, December 05, 2003 7:45 AM
>>Subject: RE: Fuel/Water, Bearing/Rust
>>
>>
>>  
>>
>>>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 <dwaynenancy at cox.net> wrote:
>>>    
>>>
>>>>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: discussion-request at nsrca.org
>>>>[mailto:discussion-request at nsrca.org]
>>>>On Behalf Of Bob Pastorello
>>>>Sent: Thursday, December 04, 2003 8:25 PM
>>>>To: discussion at nsrca.org
>>>>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
>>>>rcaerobob at cox.net
>>>>www.rcaerobats.net
>>>>
>>>>
>>>>----- Original Message ----- 
>>>>From: Rcmaster199 at aol.com
>>>>To: discussion at nsrca.org
>>>>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
>>>>
>>>>      
>>>>
>>>__________________________________
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>>>=====================================
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>>>
>>>    
>>>
>>
>>=====================================
>># To be removed from this list, send a message to 
>># discussion-request at nsrca.org
>># and put leave discussion on the first line of the body.
>>#
>>
>>
>>  
>>
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