Fuel/Water, Bearing/Rust

[Jeff Hughes]

So, some people are running them dry with good results, some are 
leaving fuel in them with good results, some are using after run oil 
with good results. I'm begining to think it doesn't matter how you 
store your engines!


> I have been using rubber caps to plug the stinger on the pipe and 
also the
> carb for the last year or so , and still get no more bearing life 
than
> before. I mainly keep doing it to keep oil from dripping out.
> 
> 
> ----- Original Message -----
> From: <vicenterc at comcast.net>
> To: <discussion at nsrca.org>
> Cc: "Kenneth Blackwell" <blackwellk at snowhill.com>; 
<discussion at nsrca.org>
> Sent: Monday, December 08, 2003 8:11 AM
> Subject: Re: Fuel/Water, Bearing/Rust
> 
> 
> > Just an idea for 2C engines:  What about turning the prop and 
position
> the piston to top dead center so there would be no nitro residues and
> humidity going thru the pipe opening?  We will need to close the 
carburetor
> also.  I wonder if this will work.
> >
> > Vicente Bortone
> > > For me....I don't have any bearing problems with YS's...since I 
quit
> running
> > > them dry. I haven't replaced a bearing in 3 years ....1.40L, 1.40
> > > DZ.....running CoolPower Pro Pattern 20/20 or 20/30.....shut it 
off and
> take
> > > it home. I live in the deep south with tons of humidity. If I'm 
going to
> set
> > > one up for a long time, I put lots of regular engine oil 
(CoolPower) in
> the
> > > engine before I put it up.
> > >
> > > When I used to run them dry....I had all sorts of problems.
> > >
> > > Cheers,
> > >
> > > Ken B.
> > >
> > > ----- Original Message -----
> > > From: "Del Rykert" <drykert at rochester.rr.com>
> > > To: <discussion at nsrca.org>
> > > Sent: Sunday, December 07, 2003 9:18 PM
> > > Subject: Re: Fuel/Water, Bearing/Rust
> > >
> > >
> > > > Jeff.
> > > >
> > > >     My 4 strokes have always had rusty bearing problems. 
sometimes
> with
> > > only
> > > > 3 or 4 gals through them. I run them dry and Mobil one for 
after run.
> > > > Talking YS-120's here.
> > > >
> > > >     del
> > > >
> > > > ----- Original Message -----
> > > > From: "Jeff Hughes" <jhughes at hsonline.net>
> > > > To: <discussion at nsrca.org>
> > > > Cc: "Bob Pastorello" <rcaerobob at cox.net>; 
<discussion at nsrca.org>
> > > > Sent: Saturday, December 06, 2003 9:55 PM
> > > > Subject: Re: Fuel/Water, Bearing/Rust
> > > >
> > > >
> > > > | so why don't the 4stroke guys have problems? they are 
running much
> > > higher
> > > > | nitro contents than the two stroke guys (typically)?
> > > > |
> > > > |
> > > > | ----- Original Message -----
> > > > | From: <vicenterc at comcast.net>
> > > > | To: <discussion at nsrca.org>
> > > > | Cc: Bob Pastorello <rcaerobob at cox.net>; 
<discussion at nsrca.org>
> > > > | Sent: Saturday, December 06, 2003 4:18 PM
> > > > | Subject: Re: Fuel/Water, Bearing/Rust
> > > > |
> > > > |
> > > > | > I remember reading the Mintor instructions.  The 
instructions
> > > recommends
> > > > | to run the engine with NO nitro if you are not planing to 
fly again
> for
> > > > more
> > > > | than a week.  Also, I remember many years ago when I flew in
> Venezuela
> > > > with
> > > > | NO nitro and we didn't have bearings problems.  Looks like 
we need
> to
> > > find
> > > > | out if Nitro is causing the problems particularly in 2 C 
engines
> with
> > > > large
> > > > | pipes.  I think the nitro residues condense and form strong 
acid
> that
> > > > | attacks the metals.
> > > > | >
> > > > | > Vicente
> > > > | >
> > > > | > =====================================
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> > > > | >
> > > > |
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> > > >
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> 
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> 

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