Fuel/Water, Bearing/Rust--More Action

[Ed Miller]

Thanks !!!
----- Original Message -----
From: "Bob Pastorello" <rcaerobob at cox.net>
To: <discussion at nsrca.org>
Sent: Sunday, December 07, 2003 3:43 PM
Subject: Re: Fuel/Water, Bearing/Rust--More Action


> http://www.hobby-lobby.com/fueltank.htm
> is one place.
>
> Bob Pastorello, Oklahoma
> NSRCA 199, AMA 46373
> rcaerobob at cox.net
> www.rcaerobats.net
>
>
> ----- Original Message -----
> From: "Ed Miller" <edbon85 at optonline.net>
> To: <discussion at nsrca.org>
> Sent: Sunday, December 07, 2003 2:40 PM
> Subject: Re: Fuel/Water, Bearing/Rust--More Action
>
>
> > George, is there a website we can view the Graupner tanks ??
> > TIA...Ed M.
> > ----- Original Message -----
> > From: "george kennie" <geobet at gis.net>
> > To: <discussion at nsrca.org>
> > Sent: Sunday, December 07, 2003 1:03 PM
> > Subject: Re: Fuel/Water, Bearing/Rust--More Action
> >
> >
> > > Miniature Aircraft, (the helicopter people) makes a clunk that does
not
> > appear
> > > to be brass, but I don't know if it's stainless. This thing has a very
> > long
> > > taper to the pick-up orifice allowing the tank to be drained allmost
> > completely
> > > dry, especially if you use something like a Graupner tank with the
> recess
> > in the
> > > bottom of the tank.I've used these tanks in a lot of pattern models
with
> > very
> > > satisfactory results.The 17 ounce size is just about perfect for 2&1/2
> > times
> > > thru the Masters sequence.
> > > Georgie
> > >
> > > Bob Pastorello wrote:
> > >
> > > > On a whim, I just removed the MK tank from my Viper.  Alas, it
hasn't
> > seen
> > > > any fuel in awhile, tank was empty except for just what can't be
> drained
> > > > through the klunk system.
> > > >     So I took it apart, and the first discovery was a tarnished (but
> not
> > yet
> > > > corroded) brass klunk.
> > > >     The Second discovery was the unmistakable odor of acetic acid ON
> the
> > > > klunk.  Sniff test of the tank confirmed the same smell.  A VERY
small
> > > > amount of fuel remains- I'm talking a 1/4 oz or less...and that odor
> was
> > > > unmistakable.  Just like the smell from curing RTV, except not as
> > > > pungent/strong.
> > > >
> > > > Theory - if all this chemistry is valid (and I don't have a clue) -
> the
> > > > large amount of air in the empty tank, with whatever moisture is
prese
> nt
> > in
> > > > it, does react with the exposed klunk material and the remaining
fuel
> > > > (methanol/nitro/oil) that was in the back of the tank.
> > > >     At least it sure did smell like acetic acid and NOT
"nitro"....as
> > far as
> > > > I know Ritches' Brew doesn't include acetic acid in it's additives.
> > > >
> > > > Interesting stuff.  So I installed a new, undamaged, shiny plated
> > > > klunk....we'll see...
> > > >
> > > > 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: Saturday, December 06, 2003 1:19 PM
> > > >   Subject: Fuel/Water, Bearing/Rust--More Action
> > > >
> > > >   Joe Wagner, similar to Clarence Lee of RCM, has given sage advice
> over
> > the
> > > > years.For what its worth, I unwittingly used aluminum tubing in my
> Webra
> > > > set-up from the start since that's all I had at the time. It's been
> > almost
> > > > 400 flights so far and the bearings still feel like new. It may be
> > > > coincidence since the webra has larger bearings than the OS and Joe
> > could be
> > > > mistaken, but it's easy to test the proposed concept.
> > > >
> > > >   I intend to use the information he passed on more completely, and
> see
> > for
> > > > myself. I urge others to do the same covering all engine flavors. I
> will
> > use
> > > > teflon or aluminum tubing everywhere possible , and use a teflon
block
> > as
> > > > clunk. Can't replace the brass spray bar and nipples without
machining
> > > > capability, but the other changes should reduce brass contact at
least
> > > > fourfold.
> > > >
> > > >   Mine will be Webra and Mintors, and since both are AAC
constructed,
> it
> > > > automatically eliminates a possible source of catalysis
> > > >
> > > >   we'll see
> > > >
> > > >   Matt K
> > > >
> > > >   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: Saturday, December 06, 2003 1:19 PM
> > > >   Subject: Fuel/Water, Bearing/Rust--More Action
> > > >
> > > >   Joe Wagner, similar to Clarence Lee of RCM, has given sage advice
> over
> > the
> > > > years.For what its worth, I unwittingly used aluminum tubing in my
> Webra
> > > > set-up from the start since that's all I had at the time. It's been
> > almost
> > > > 400 flights so far and the bearings still feel like new. It may be
> > > > coincidence since the webra has larger bearings than the OS and Joe
> > could be
> > > > mistaken, but it's easy to test the proposed concept.
> > > >
> > > >   I intend to use the information he passed on more completely, and
> see
> > for
> > > > myself. I urge others to do the same covering all engine flavors. I
> will
> > use
> > > > teflon or aluminum tubing everywhere possible , and use a teflon
block
> > as
> > > > clunk. Can't replace the brass spray bar and nipples without
machining
> > > > capability, but the other changes should reduce brass contact at
least
> > > > fourfold.
> > > >
> > > >   Mine will be Webra and Mintors, and since both are AAC
constructed,
> it
> > > > automatically eliminates a possible source of catalysis
> > > >
> > > >   we'll see
> > > >
> > > >   Matt K
> > > >
> > > > =====================================
> > > > # 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.
> > > > #
> > >
> > > =====================================
> > > # 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.
> > > #
> > >
> > >
> >
> >
> > =====================================
> > # 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.
> > #
> >
>
> =====================================
> # 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.
> #
>
>


=====================================
# 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.
#