After posting on one RV Forum some steps that I felt if taken could result in longer tire life by lowering the Interply Shear Forces, I got this reply:
"Sounds
like tires should never be used or stored in any configuration other
than the 'as cured' state or they simply self destruct.
Gonna have to figure out how to make these R/Vs hovercrafts."
I offered the following:
A bit of an over-reaction. My advice is intended to offer a series of steps that can be taken to extend the life of their tires rather than actions or inaction that may shorten tire life.
One of the biggest problems is the inability to understanding the real
"Root Cause" of tire failure. IMO too many simply assume that somehow,
the zip code of the factory where the tires are made is a "cause" for a
failure.
Have you read and do you understand the difference between the two major
and different reasons (root cause) for failure as covered in THESE posts?
TPMS, when properly PROGRAMED and used can essentially
eliminate one of the two primary reasons for tire failure.
Having a good level (15% to 25%) Reserve Load
is the second major thing people can do to get a more reasonable tire life. I
would be very surprised to learn that tires with at least 15% actual
Reserve Load didn't perform much better than the more normal 0% to 5%
level.
Thank you for the information on this blog - very helpful. Would you please clarify something for me. I have a Class A on a Ford F53 - 26k chassis. While I run the sidewall max psi on the rear 110) due to loaded weight, using the Michelin guide, for my loaded weight on the front plus 5 psi I am running 95 psi. However, neither calculation gives me a significant reserve percentage based on the Michelin guide for that psi and I do not think I could get the weight on the rear axle down to give that reserve. For the front am I doing this correctly? Thank you.
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