[AT] OT truck tires/driveshaft?

[Stephen Offiler]

Charlie:  indeed, a good dryer does the same thing.  I sit on the PAC
(professional advisory committee) at the local automotive vocational
training program.  They were considering a nitrogen machine and I steered
them to a dryer for the existing compressor.  Saved a bunch of money and
now they have dry air supplied to all the other equipment using compressed
air.

Joe:  Yes that is a common claim.  I can't say for sure it's wrong, since
you do get some moisture and oxygen inside the tire if you use regular old
air.  However... I've had some troubles with slow leaks on aluminum rims
myself.  It's always corrosion in the bead seat area which sits *between*
the inside of the tire and the outside world.  This area is equally
difficult to gain access from both the inside and the outside.  I have
always figured that if anything, the problem stems from road salt corrosion
that extends from the outside inward, and NOT from corrosion that stems
from the inside outward.  Hope that makes sense.

SO



On Fri, May 16, 2014 at 3:09 PM, Joe Hazewinkel <jahaze at aol.com> wrote:

> One of the advantages I was made aware of was nitrogen does not cause
> corrosion on aluminum rims.  I have spent quite a bit of money resealing
> tires on aluminum wheeled cars (I have 3 of them).  And was told that if we
> used Nitrogen from the start, we wouldn't be having the corrosion problems.
>  Don't know if that's true, but the tire shop seems to think so.
>
> Enjoy, Joe
>
> Sent via mobile device
>
> On May 16, 2014, at 2:49 PM, "charlie hill" <charliehill at embarqmail.com>
> wrote:
>
> Steve I wonder if the recent push by dealers to use nitrogen in tires
> is related to the inside the wheel pressure monitors that came along
> about the same time.  Maybe the moisture is an issue with the monitors?
> A good air dryer on the compressor would deliver regular air that should
> work
> as well as pure nitrogen.
>
> Charlie
>
> -----Original Message-----
> From: Stephen Offiler
> Sent: Friday, May 16, 2014 1:19 PM
> To: Antique tractor email discussion group
> Subject: Re: [AT] OT truck tires/driveshaft?
>
> Nitrogen is mostly a marketing scam.  (And I know because my career is
> related to the sales of automotive tools and equipment for repair and
> maintenance).
>
> The ONLY reason it is more stable than ambient air is because nitrogen is
> dry, whereas ambient air has humidity.  It's only the water vapor component
> of regular ambient air that creates unpredictable pressure changes when the
> tire temperature gets above/below the dew point of that water vapor.
>
> It can be an issue for race cars that are very sensitive to tire pressure
> and pressure changes.   It is a non-issue for normal vehicles on public
> roads.
>
> SO
>
>
>
>
> On Fri, May 16, 2014 at 7:00 AM, charlie hill
> <charliehill at embarqmail.com>wrote:
>
> > John, I'm sure it is better to use Nitrogen but I'm betting the positive
> > effects are minimal in a tire.  I could be wrong.
> >
> > Charlie
> >
> > -----Original Message-----
> > From: jtchall at nc.rr.com
> > Sent: Friday, May 16, 2014 6:20 AM
> > To: Antique tractor email discussion group
> > Subject: Re: [AT] OT truck tires/driveshaft?
> >
> > Don't know what the percentage change is but nitrogen is supposedly more
> > stable when it comes to temperature change. Some of our CNC Milling
> > centers
> > at work use a nitrogen filled counterbalance, of course they are running
> > several hundred PSI. These machines date to the late 90's, long before I
> > heard of anyone putting it in tires.
> >
> > John Hall
> >
> >
> > -----Original Message-----
> > From: charlie hill
> > Sent: Friday, May 16, 2014 2:45 AM
> > To: Antique tractor email discussion group
> > Subject: Re: [AT] OT truck tires/driveshaft?
> >
> >  As far as
> > the nitrogen inflation, in my opinion that is a scam to begin with.  Yes
> > nitrogen is more stable than air but earth's atmosphere
> > is nearly 80% nitrogen to begin with plus about 15% Oxygen and some other
> > minor, mostly inert gasses.
> >
> > Charlie
> >
> > /at
> >
> >
> > _______________________________________________
> > AT mailing list
> > http://www.antique-tractor.com/mailman/listinfo/at
> >
> > _______________________________________________
> > AT mailing list
> > http://www.antique-tractor.com/mailman/listinfo/at
> _______________________________________________
> AT mailing list
> http://www.antique-tractor.com/mailman/listinfo/at
>
> _______________________________________________
> AT mailing list
> http://www.antique-tractor.com/mailman/listinfo/at
>
> _______________________________________________
> AT mailing list
> http://www.antique-tractor.com/mailman/listinfo/at
>