tire pressure

[Alex Smith]

Hey John,
Yea, I think this would be the smart thing to do. I didn't realize that the
Flying J had a scale. I'm near there (I-10 & Quincy) from time to time and will
check it out. There use to be a scale at the truck stop at the I-10 Loyd exit
that is just east of Tallahassee.
Thanks!
Alex

John Suter wrote:
Hi Alex,

Great advice from Pete. As you will want to follow
his advice to weigh each tire separately, as you call
to locate scales, you will have to specifically ask if
they have that capability as most do not or will not.
(They are Certified by Dept of Transportation
therefore put up guard rails at scale sides so trucks
have to weigh entire load and cannot drop off one side
and receive a Certificate for a lighter weight than
actual.) I have weighed individual tires in years
past at the truck stop (Flying J, I think) in the
vicinity of the Havana (Hwy 27) exit of I-10 near you.

Pete probably assumed you knew all tires on the same
axle should carry the same pressure. Meaning the
heaviest tire position per axle will govern pressure,
within the maximum limits of rim and tire casing.

John Suter
Jacksonville, FL


--- Alex Smith wrote:

> Thanks Pete for the information. I checked
> http://www.michelin-us.com and they have some really good
> information. If anyone needs to know how to weigh an
> RV, this website shows just how to do it.
> Alex
>
> Pete Masterson wrote:
> The air pressure should be
> consistent with the load ratings for the
> brand of tire and the actual weight of your coach.
> While the BB
> manual has a chart in the owners manual (along with
> the required
> placard), it would be better to use the similar
> weight/air pressure
> chart provided by the tire manufacturer (usually
> accessible at the
> tire company web site).
>
> The placard is based on BB's estimated weight (with
> the OEM tires) --
> you need to weigh your coach to determine the
> _actual_ tire pressure
> required with the normal load you carry. If you
> check your yellow
> pages for "public scales", hopefully you should
> find a scale
> reasonably close by*. You should load your coach as
> you would for a
> trip (full fuel, water tanks as you might normally
> have them, and
> food and baggage on board).
>
> The archives for this group probably have an
> explanation --- and I've
> seen several in RV-related magazines as well ---
> that explain
> precisely how to weigh the coach. You need to know
> the weight on each
> axle and on each wheel left vs. right. You want to
> be sure that the
> left-right load is reasonably balanced and that no
> axle is carrying
> more than its rated weight capacity. You should
> then inflate the
> tires for the weight of each axle per the tire mfgs
> table. The trade
> off is more air pressure will carry more weight --
> but more air
> pressure will make the ride less-smooth (that's why
> you don't want to
> carry more air than is necessary).
>
> While simply filling the tires to the maximum
> pressure (as shown on
> the sidewall) will certainly ensure that you
> haven't under-inflated
> the tire, it may make your vehicle ride more
> harshly and may degrade
> the handling.
>
> Remember, too, that air inflation measurements must
> be made when the
> tire is at ambient temperature as heat generated in
> driving will
> raise the pressure, potentially causing to be
> under-inflated when the
> tires are cool.
>
> *Note: state-run "weigh stations" generally do not
> want to see an RV
> pull in to their scales. In California, you run a
> risk of getting a
> ticket, especially at a busy weigh station. Some
> other states may be
> more forgiving and/or may even be willing to pull
> the several weights
> you need (axle by axle, etc.) It would be wise to
> telephone ahead
> before pulling into a state-run weigh station.
>
> Pete Masterson
> aeonix1@...
> '95 Bluebird Wanderlodge WBDA 4203
> El Sobrante, CA
>
> On Jul 17, 2006, at 11:57 AM, Alex Smith wrote:
>
> > Hello,
> > I have followed several discussions in the past
> on tires, load
> > ratings, and brands. However, not much has been
> said on tire pressure.
> >
> > A placard in my coach indicates 105 psi on
> front and 75 psi on
> > rears. Is this the current thinking? 75 psi on
> the rear tires seems
> > a little low esp when max pressure is over 100
> psi.
> >
> > I have gotten some different advice locally,
> but I'm still
> > running with the pressure as shown on the BB
> placard.
> >
> > Any comments appreciated.
> > Alex Smith
> > Tallahassee, FL
> > 82FC35
> >
>
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> removed]
>
>
>
>
>
>
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